Sterling Marine Battery SSPET 5 User Manual
Operating Instructions  
Single Conveyor Unit  
For Powder  
SSPET 5  
Sterling Material Processing  
 
SSPET5  
Sterling Material Processing  
5200 West Clinton Ave.  
Milwaukee, WI 53223  
Telephone: (414) 354-0970  
Fax: (414) 354-6421  
www.sterlco.com  
Technical service:  
Service department  
Telephone: (800) 423-3183  
Edition: 02/01  
Sterling order confirmation no.: _ _ _ _ _ _ _ _ _ _ _  
These operating instructions are for:*  
(* Please fill in personally)  
Serial number:  
Built in:  
Date of delivery:  
Number of delivery:  
Date of commissioning:  
Location:  
Group of machines:  
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SSPET5  
Sterling Material Processing retains all rights to change the information in these  
operating instructions at any time without notice.  
We assume no liability for any errors or direct or indirect damage resulting in con-  
text with these operating instructions.  
Copying, translation or publication in any form except for personal use of pur-  
chaser requires approval from Sterling Material Processing.  
All rights reserved.  
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SSPET5  
Table of contents  
1. Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6  
1.1. Warnings and symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
1.2. Explanations and information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
1.3. For your safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
1.4. For the operating safety of the equipment. . . . . . . . . . . . . . . . . . 12  
2. Assembly instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13  
2.1. Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
2.2. Mounting the suction pipe MV . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
2.3. Electrical connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17  
2.3.1. Installation of the “flap switch” signal line. . . . . . . . . . . . . . . 18  
2.3.2. Installation of the signal line of the ZKW (optional) . . . . . . . 18  
2.3.3. Installation of an alarm indicating device at the SSE  
controller (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19  
2.4. Compressed-air supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
3. Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
3.1. General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
3.2. Controller SSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23  
3.3. Controller SSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25  
4. Putting into operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26  
4.1. Checking the pipe system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27  
4.2. Adjusting the suction pipes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28  
4.3. Setting the controller SSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29  
4.4. Setting the controller SSP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31  
4.5. Initial conveying operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32  
4.6. Alarm Messages displayed on the controller SSE . . . . . . . . . . . 32  
4.7. Alarm Messages displayed on the controller SSP . . . . . . . . . . . 34  
4.8. Switching off the unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34  
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SSPET5  
5. Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35  
5.1. Maintenance intervals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37  
5.2. Servicing the conveyor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
5.2.1. Cleaning/replacing the filter cartridges of the cleaning unit. 38  
5.2.2. Changing the sealing ring of the outlet flap . . . . . . . . . . . . . 40  
5.2.3. Adjusting the flap switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41  
5.3. Replacing carbon brushes at turbine . . . . . . . . . . . . . . . . . . . . . . 42  
6. Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44  
7. Parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46  
8. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49  
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SSPET5  
1. Safety instructions  
These safety instructions apply to all persons within the range of  
action of the equipment.  
»
Please inform all persons within the range of action of the equip-  
ment of the direct and indirect hazards connected with the  
equipment.  
These operating instructions are to be used by all persons as-  
signed activities connected with the equipment.  
Knowledge of the English language is prerequisite.  
Ensure in each case that the operating personnel are familiar  
with the operating instructions and the function of the equip-  
ment.  
Safety instructions 6  
 
 
SSPET5  
1.1. Warnings and symbols  
The following warnings and symbols are used in these operating instructions:  
This symbol indicates danger to life! Fatal or serious injury is  
possible if the corresponding instructions, regulations or warn-  
ings are not observed.  
»
This symbol indicates that serious injury is possible if the cor-  
responding instructions, regulations or warnings are not ob-  
served.  
L
This symbol indicates that extensive damage to equipment  
is possible if the corresponding instructions, regulations or  
warnings are not observed.  
F
This symbol indicates information important for becoming fa-  
miliar with the equipment, i.e. technical correlations.  
&
This symbol indicates that a technical term is explained at  
this point.  
$
Safety instructions 7  
 
 
SSPET5  
1.2. Explanations and information  
Various terms and designations are used in these operating instructions to en-  
sure clarity. Therefore please note that the terms used in the text stand for the  
corresponding explanations listed below.  
Equipment  
“Equipment” can mean an individual unit, a machine or an installation.  
·
Operating personnel  
The “operating personnel” are persons operating the equipment on their own re-  
sponsibility or according to instructions.  
·
Operator  
·
The “operator” of the equipment (production manager, foreman, etc.) is the per-  
son responsible for all production sequences. The operator instructs the operat-  
ing personnel of what is to be done.  
Operating instructions  
·
The “operating instructions” describe the interaction of the equipment, production  
sequences or methods. The operating instructions must be compiled by the oper-  
ator of the equipment.  
Equipment foreman  
·
When several operating personnel work on one machine, the “equipment fore-  
man” coordinates the sequences. The equipment foreman must be appointed by  
the operator.  
Trained personnel  
“Trained personnel” are persons who, due to their training, are authorized to carry  
out the required work.  
·
Safety instructions 8  
 
 
SSPET5  
1.3. For your safety  
The operating personnel of this equipment must be at least 16 years old.  
·
·
Please read these operating instructions carefully before taking into operation for  
the first time. Contact us should questions arise.  
This avoids injury and damage to equipment!  
These operating instructions must be kept available at all times at the place of op-  
eration of the equipment. Improper operation results in danger of accidents!  
·
·
Please note that, for reasons of clarity, not all conceivable cases regarding opera-  
tion or maintenance of the equipment can be covered in these operating instruc-  
tions.  
Please observe all safety instructions and warnings on the equipment.  
This avoids injury and damage to equipment!  
·
·
All work on the equipment is to be carried out by persons whose qualifications are  
specified in the pertaining chapters of the operating instructions.  
Improper operation results in danger of accidents!  
The proper working clothes are to be worn during any work on the equipment.  
This avoids injury!  
·
·
·
·
·
Compare the connected loads with those of the mains supply.  
Danger of injury through electrical shock!  
When using lifting gear, please observe the pertaining regulations.  
Caution: Danger of accidents!  
The local regulations and requirements pertaining to this equipment must be ob-  
served.  
Disconnect electrical components from the mains supply before work is carried  
out on these components. Caution: Danger to life through electrical shock!  
Safety instructions 9  
 
 
SSPET5  
Do not modify, add other equipment or change the design of the equipment with-  
out the approval of the manufacturer. Caution: Danger of accidents!  
·
·
Compile detailed operating instructions based on these operating instructions for  
the sequence of procedures to be carried out on this equipment.  
Improper operation results in danger of accidents!  
Appoint an equipment foreman to be responsible for the equipment.  
·
·
Ensure that the operating personnel are provided detailed instruction in the oper-  
ation of the equipment. Improper operation results in danger of accidents!  
When the main switch is switched off for reasons pertaining to safety, it must be  
secured against unauthorized activation. Caution: Danger of accidents!  
·
Before starting maintenance work, appoint a supervisor.  
·
·
Inform the responsible personnel before maintenance work on the system is  
started. Caution: Danger of accidents!  
Disconnect the equipment from mains supply before starting maintenance proce-  
dures to ensure that it cannot be switched on unintentionally.  
Caution: Danger of accidents!  
·
Repair work may be carried out by trained personnel only.  
Caution: Danger of accidents!  
·
·
·
·
Never operate the equipment when partially dismantled.  
Caution! Danger exists that limbs may be caught; danger of electrical shock!  
In case of malfunction, shut down the equipment immediately. Have malfunctions  
corrected immediately. Caution: Danger of accidents!  
The equipment is intended only for conveying granulated plastics and additives.  
Other use of the equipment is contrary to its specifications.  
Safety instructions 10  
 
SSPET5  
This equipment is not suitable for foods processing.  
·
·
Observe that sound intensity levels over 85 dB(A), may cause prolonged damage  
to health. Use suitable earmuffs. This avoids impairment of hearing!  
Attachments not supplied by Sterling must be manufactured in accordance with  
safety regulation EN 294. Caution! Danger of accidents!  
·
·
·
·
·
Check all lines, hoses and screwed connections regularly for leaks and obvious  
damage. Repair damage immediately. Caution: Danger of accidents!  
Depressurize all system sections of the equipment before carrying out any repair  
work. Caution: Danger of accidents!  
The equipment may only be operated when all the associated components are  
properly connected up and in accordance with the relevant regulations.  
The safety instructions of the connected machines must be followed.  
Safety instructions 11  
 
SSPET5  
1.4. For the operating safety of the equipment  
Never change settings if the consequences are not precisely known.  
·
Use only original Sterling spare parts.  
·
Please observe the maintenance intervals.  
·
Keep record of all maintenance and repair procedures.  
·
Please note that electronic sub-assemblies can be damaged by static dis-  
charges.  
·
Check all electrical connections for proper fit before the equipment is taken into  
operation for the first time and at regular intervals.  
·
Never adjust sensors without exact knowledge of their function.  
·
·
Please note that the ambient temperature of the control unit must not exceed  
45°C (113°F).  
Adjust the suction pipes properly.  
·
·
Please observe that a level indicator is required when conveying from  
granulators.  
Mount the single conveyor unit in such a way that the outlet flap swings in a  
right-hand angle to the direction of machine movement.  
·
Please ensure that all plugs are correctly plugged in.  
Observe the bearing capacity of the machine flange.  
·
·
·
The operating instructions of the machines to which it is connected should be  
obeyed.  
Safety instructions 12  
 
 
SSPET5  
2. Assembly instructions  
These installation instructions are intended for persons with  
skills in electrical and mechanical areas due to their training, ex-  
perience and received instructions.  
»
Personnel using these installation instructions must be instruc-  
ted in the regulations for the prevention of accidents, the opera-  
ting conditions and safety regulations and their implementation.  
Ensure in each case that the personnel are informed.  
The installation instructions provided in the corresponding ope-  
rating instructions apply for all connected equipment.  
Please observe all safety regulations for the operation of lifting  
gear.  
All installation work must be carried out with the equipment dis-  
connected from electrical power an compressed air supply.  
For installation work taking place at heights of over approx. 6  
feet (1829) in, use only ladders or similar equipment and  
working platforms intended for this purpose. At greater  
heights, the proper equipment for protection against falling  
must be worn.  
L
Use only suitable lifting gear which is in proper working order  
and load suspension devices with sufficient carrying capac-  
ity. Do not stand or work under suspended loads!  
Use only suitable workshop equipment.  
Install the equipment such that all parts are easily accessi-  
ble; this facilitates maintenance and repair work.  
F
Assembly instructions 13  
 
 
SSPET5  
2.1. Assembly  
The single conveyor unit is insensitive to shocks and can be mounted directly  
onto the processing machine, on a machine hopper, a drying hopper or a dosing  
and blending unit.  
The equipment is delivered as a complete assembly.  
Unpack the equipment.  
Remove the plastic stopper from the material inlet nozzle.  
Remove the adhesive tape from the exit flap.  
The controller must be freely accessible.  
F
Assembly instructions 14  
 
 
SSPET5  
Mounting on fixed machine throats or intermediate containers is done by means  
of strap retainers.  
Please check during assembly that the admissible bearing loads are not ex-  
ceeded.  
Mount the conveyor in such a way that the outlet flap swings in a right angle to the  
direction of machine movement.  
Please check that all connecting points are tight to ensure that the conveying per-  
formance is not impaired.  
J
L
Assembly  
Assembly instructions 15  
 
SSPET5  
2.2. Mounting the suction pipe MV  
The suction pipe consists of an inner pipe (A) and an outer pipe (B) which can be  
offset against each other.  
Connect the inner pipe with the straight end to a flexible hose:  
Push the free pipe end into the flexible line to a depth of approx. 4-5 cm  
(167-1.97in.)  
Connect both parts by means of a hose clamp.  
Please observe that the length of the hose should not exceed 3 m (9.84 in.)  
Please check that the outer pipe is not covered as it provides for unhindered ac-  
cess of ambient air.  
When conveying from silos, material hoppers and storage  
containers, a suction box with 1-3 suction pipes is required.  
F
B
A
MV  
Assembly instructions 16  
 
 
SSPET5  
2.3. Electrical connection  
Electrical connection of the equipment must be carried out by  
qualified personnel only.  
»
Ensure that the regulations of the local electric supply company  
are observed.  
The operating voltage is 230 V/50 Hz.  
Special voltages on request.  
The connected load is approx. 1200 W.  
The equipment is connected to mains supply by a device plug.  
Separate fuse protection of the wall socket is required (max. 16 A).  
Assembly instructions 17  
 
 
SSPET5  
2.3.1. Installation of the “flap switch” signal line  
Insert the appliance plug of the “flap switch” signal line into the “flap switch” con-  
nector (A) on the lower side of the controller.  
2.3.2. Installation of the signal line of the SKW (optional)  
Insert the appliance plug of the “SKW (= Two Component Proportioning Valve)”  
signal line into the “SKW” connector (B) on the lower side of the controller.  
Assembly instructions 18  
 
 
SSPET5  
2.3.3. Installation of an alarm indicating device at the SSE controller  
(optional)  
This work must be carried out by qualified personnel only.  
»
Disconnect the unit from mains supply by the device plug before  
you begin with works on the controller. Danger to life!  
The connection is potential-free and rated for no more  
than 5 A.  
An additional alarm indicating device (e.g. horn, signal light)  
can be connected.  
&
You need an “acknowledgement key” for 24 V (e.g. by Rafi  
Company).  
Assembly instructions 19  
 
 
SSPET5  
2.4. Compressed-air supply  
For operating the cleaning unit, a compressed-air supply is necessary.  
Depressurize compressed-air supply lines which must be  
opened.  
L
Compressed air must be dewatered, dustfree and oilfree.  
Install a maintenance unit if required.  
F
Adjust pressure to a max. value of 6 bar (87.02 PSI) (system  
overpressure).  
Check compressed-air piping for correct installation and assembly.  
Check fittings, length and quality of the hose connections for agreement with re-  
quirements.  
The operating pressure is 5-6 bar (72.52-87.02 PSI) (system overpressure).  
Check the compressed-air supplied by the plant’s supply network.  
Adjust compressed-air pressure to 5-6 bar (72.52-87.02 PSI) (system  
overpressure).  
Connect the unit to the plant’s supply network by means of a hose.  
Assembly instructions 20  
 
 
SSPET5  
3. Functional description  
This functional description is intended for all operating person-  
nel of the equipment.  
»
Prerequisite for this functional description is general knowledge  
of conveying systems.  
Ensure in each case that the operating personnel are suffi-  
ciently informed.  
Functional description 21  
 
 
SSPET5  
3.1. General  
The single conveyor unit functions ac-  
cording to the principle of suction con-  
veyance. A high-performance turbine,  
mounted permanently on the device,  
provides for the vacuum that is re-  
quired to convey the material into the  
separator.  
In the separator the material is sepa-  
rated from air. After the conveying time  
is finished the turbine is switched off  
and the material emptied into the mate-  
rial intermediate hopper. If the filling  
level remains below the outlet flap of  
the single conveyor unit, a starting  
pulse is triggered and sent to the con-  
troller. Then the conveyance is re-  
started. This process repeats so often  
until the material intermediate hopper  
is filled. Afterwards the conveyance is  
stopped until a new starting pulse is  
triggered and sent to the controller.  
The automatic filter cleaning takes pla-  
ce by adjustable compressed-air  
shocks (pulse duration).  
The filter-cleaning process takes place during the conveying  
process.  
&
The filter cartridges are cleaned in adjustable intervals (time  
interval).  
Functional description 22  
 
 
SSPET5  
3.2. Controller SSE  
The setting for the conveying time and the line clear time are made via the keys  
(A1: “change-over” key, A2: “arrow key”) on the front of the control system. The  
values which have been set will be displayed on the display (B). The values which  
have been set are maintained after the machine has been shut off.  
3 LEDs indicate the respective modes of operation: cleaning (C), conveying (D),  
line clearing (E).  
The conveying time can be set from 1 to 99 seconds.  
&
The line clear time can be set from 0 to 99 seconds.  
The clearing time consists of 2 seconds.  
The emptying time consists of 8 seconds.  
When the unit is switched on all LEDs blink and the software  
version is displayed.  
C
B
D
E
A1  
A2  
Controller SSE  
Functional description 23  
 
 
SSPET5  
If a material clearing valve has been installed (option) residues of flowing material  
will be cleaned from the conveying line during the line clear time.  
If a disturbance occurs in the unit, an alarm message will be issued (option, only if  
the alarm indicating device has been activated).  
An “E” appears in the display and an error number.  
&
The alarm indicating device (signal siren, horn) reacts.  
Functional description 24  
 
SSPET5  
3.3. Controller SSP  
The setting for the conveying time and the line clear time are made via the keys  
(A1: “change-over” key, A2: “arrow key”) on the front of the control system. The  
values which have been set will be displayed on the display (B). The values which  
have been set are maintained after the machine has been shut off.  
3 LEDs indicate the respective modes of operation: pulse duration (C), time  
interval (D), without function (E).  
The pulse duration can be set to 0.5, 1.0 or 1.5 seconds.  
&
The time interval can be set from 5 to 20 seconds.  
When the unit is switched on all LEDs blink and the software  
version is displayed.  
C
B
D
E
A1  
A2  
Controller SSP  
Functional description 25  
 
 
SSPET5  
4. Putting into operation  
This chapter is intended for operating personnel.  
Prerequisite for this chapter is general knowledge of the opera-  
tion of conveying systems.  
»
Also prerequisite for this chapter is that the functional descrip-  
tion has been read and understood.  
Ensure in each case that the operating personnel are suffi-  
ciently informed.  
Make sure the plastic stopper has been removed from the  
material inlet nozzle.  
F
Make sure the adhesive tape has been removed from the exit  
flap.  
Putting into operation 26  
 
 
SSPET5  
4.1. Checking the pipe system  
Remove the flexible hose from the connected material takeup.  
Close the open end of the hose with your hand.  
Connect the unit to mains supply by the device plug.  
If the turbine is operating, your hand must feel the suction within few seconds.  
If you don’t feel the vacuum it means that the pipe system is not tight.  
Check the pipe system and seal any untight points you may have identified.  
Reconnect the conveying hose.  
Disconnect the unit from mains supply by the device plug.  
Putting into operation 27  
 
 
SSPET5  
4.2. Adjusting the suction pipes  
The suction pipes have to be adjusted exactly to ensure troublefree operation.  
1. Set the suction pipes to their home position.  
At home position the inner pipe of the suction pipe protrudes  
about 120-160 mm (4.72-6.30 in) from the outer pipe at the  
top end.  
&
2. Start a conveying operation.  
Connect the unit to mains supply by the device plug.  
3. Observe the flexible hose at the suction pipe.  
The flexible hose must not show any pulsating movement.  
4. Observe the flexible hose at the separator.  
The conveying hose must only move during in-feed.  
If the conditions (points 3 + 4) are not met:  
Pull the inner pipe further out of the outer pipe until there is no more jerky convey-  
ance.  
If the conditions (points 3 + 4) are met:  
Push the inner pipe slowly into the outer pipe until pulsating of the flexible hose or  
shock conveyance occurs.  
Now pull the inner pipe slightly back again until the hose stop pulsating.  
Select a setting between the two pipes to ensure that enough air can flow into the  
material pipe.  
Once you have reached a satisfactory conveying result turn the wing screw at the  
suction pipe tight.  
Putting into operation 28  
 
 
SSPET5  
4.3. Setting the controller SSE  
The filling capacity of the hopper loader may not exceed the  
material inlet.  
F
The setting is independent of the conveying line and the ma-  
terial to be conveyed.  
&
It is only possible to set the conveying time / line clear time  
when the unit is not conveying any material.  
Setting the conveying time  
Press the “arrow key”.  
The conveying time which was last selected appears in the  
display.  
&
1-99 seconds may be set for the conveying time.  
The turbine is running but no material is being conveyed:  
Reduce the conveying time.  
The conveying capacity is too low:  
Increase the conveying time.  
Putting into operation 29  
 
 
SSPET5  
Setting the line clear time  
Press the “arrow key” and  
the “change-over” key.  
The line clear time which was last selected appears in the  
display.  
&
0-99 seconds may be set for the line clear time.  
If no line clear valve has been installed enter “0".  
F
Putting into operation 30  
 
SSPET5  
4.4. Setting the controller SSP  
It is only possible to set the pulse duration / time interval  
when the unit is not conveying any material.  
&
Setting the pulse duration  
Press the “arrow key”.  
The pulse duration (= duration of a cleaning pulse) which  
was last selected appears in the display.  
&
0.5, 1.0 or 1.5 seconds may be set for the pulse duration.  
Setting the time interval  
Press the “arrow key” and  
the “change-over” key.  
The time interval which was last selected appears in the dis-  
play.  
&
5-20 seconds may be set for the time interval between 2 clea-  
ning pulses.  
Putting into operation 31  
 
 
SSPET5  
4.5. Initial conveying operations  
Metal shavings may be inside the pipe from cutting down pipes into lengths. The-  
se are pulled during the first conveying process and collected in the separator.  
This material should not be used again.  
F
4.6. Alarm Messages displayed on the controller SSE  
If a disturbance occurs in the unit, an alarm message will be issued (option, only if  
the alarm indicating device has been activated).  
An “E” appears in the display and an error number.  
&
The alarm indicating device (signal siren, horn) reacts.  
The control system can only restart operation when the mal-  
function has been corrected.  
F
Press the “acknowledgement key”.  
The cause of the malfunction will not be corrected by pres-  
sing the “acknowledgement key”.  
&
Putting into operation 32  
 
 
SSPET5  
The following error messages can be displayed:  
“E1"  
The alarm message “E1" is displayed when no material has been conveyed du-  
ring 3 consecutive conveying cycles.  
Check that sufficient material is being conveyed.  
Check that the flap switch is set correctly.  
When the malfunction has been corrected press the key.  
F
“E2"  
If the control system becomes too hot during operation (>70°C) (158°F) the “E2"  
alarm message is displayed and the unit is switched off.  
Ensure that the control system is sufficient cooled.  
The unit starts automatically after the cooling down phase.  
&
Putting into operation 33  
 
SSPET5  
4.7. Alarm Messages displayed on the controller SSP  
If a disturbance occurs in the unit, an alarm message will be issued.  
An “E” appears in the display and an error number.  
&
“E2"  
If the control system becomes too hot during operation (>70°C) (158°F) the “E2"  
alarm message is displayed and the unit is switched off.  
Ensure that the control system is sufficient cooled.  
The unit starts automatically after the cooling down phase.  
&
4.8. Switching off the unit  
Disconnect the unit from mains supply by the device plug.  
Putting into operation 34  
 
 
SSPET5  
5. Maintenance  
This chapter is intended for persons with skills in electrical and  
mechanical areas due to their training, experience and received  
instructions.  
»
Personnel using the instructions in this chapter must be in-  
structed of the regulations for the prevention of accidents, the  
operating conditions and safety regulations and their implemen-  
tation.  
Ensure in each case that the personnel are informed.  
For maintenance work taking place at heights of over approx.  
1829 mm (6 ft), use only ladders or similar equipment and work-  
ing platforms intended for this purpose. At greater heights, the  
proper equipment for protection against falling must be worn.  
Use only suitable lifting gear which is in proper working order  
and load suspension devices with sufficient carrying capacity.  
Do not stand or work under suspended loads!  
Ensure that the electric motors/switch cabinets are sufficiently  
protected against moisture.  
Use only suitable workshop equipment.  
Before starting maintenance work, appoint a supervisor.  
Inform the responsible personnel before maintenance work on  
the system is started.  
Never operate the equipment when partially dismantled.  
All maintenance and repair work not described in this chapter  
may only be carried out by Sterling service personnel or autho-  
rized personnel (appointed by Sterling).  
Maintenance 35  
 
 
SSPET5  
Disconnect the equipment from mains supply before starting  
maintenance procedures to ensure that it cannot be  
switched on unintentionally.  
L
Depressurize all system sections of the equipment before  
carrying out any repair work.  
Please observe the maintenance intervals.  
F
Before starting maintenance work, clean the equipment of  
oil, fuel or lubricants.  
Ensure that materials and incidentals required for operation  
as well as spare parts are disposed of properly and in an en-  
vironmentally sound manner.  
Use only original Sterling spare parts.  
Keep record of all maintenance and repair procedures.  
Maintenance 36  
 
SSPET5  
5.1. Maintenance intervals  
Daily:  
Check warning signs on equipment for good  
legibility and completeness  
Weekly:  
Check the maintanance unit  
Check operating pressure of the plant’s supply  
network (5-6 bar (72.52-87.02 PSI) system overpressure)  
Monthly:  
Check function of the device plug  
Check the sealings on the filter cartridges  
(according to the accumulation of dust)  
Every 6 months:  
Check all electrical and mechanical connections  
for tight fit  
Check the settings on the level probes (if present)  
Check filter contamination, if necessary clean or  
replace the filter cartridges  
Annually:  
Replace outlet valve sealing  
Adjust valve switch  
After 1000  
operating hours:  
Replace carbon brushes  
The given maintenance intervals are average values.  
F
Check whether in your individual case the maintenance in-  
tervals must be shortened.  
Maintenance 37  
 
 
SSPET5  
5.2. Servicing the conveyor  
Disconnect the unit from mains supply by the device plug.  
»
Depressurize all system sections of the equipment (only units  
with active cleaning).  
Disassembly the unit.  
5.2.1. Cleaning/replacing the filter cartridges of the cleaning unit  
Clean the separator hopper each time you are changing the  
materials.  
F
Use only cleaning agents which fulfil the corresponding re-  
quirements.  
Only clean the separator hopper with compressed-air and/or  
a brush.  
The conveying capacity is diminished by a clogged filter car-  
tridge.  
&
Maintenance 38  
 
 
SSPET5  
Removal  
Open the tension ring (A) and  
remove the hopper loader lid (B).  
Open the tension ring (C) and re-  
move cleaning unit (D).  
B
Release clamping devices of the  
filter cartridges.  
A
D
C
E
Remove the filter cartridges (E)  
from the intermediate platform.  
Clean the filter cartridges (E) from  
the inside out by means of com-  
pressed air.  
or  
Replace the filter cartridges by new  
ones.  
SSPET5  
Installation  
Insert filter cartridges (E) into the opening of the intermediate platform.  
Make sure that the sealing pad is tightly fitted between filter  
cartridges and intermediate platform.  
F
Mount clamping devices of the filter cartridges.  
Mount the cleaning unit (D) and the tension ring (C).  
Mount the hopper loader lid (B) and the tension ring (A).  
Order number filter cartridges (= 4 pcs.): ID 83379  
&
Install the unit.  
Maintenance 39  
 
SSPET5  
5.2.2. Changing the sealing ring of the outlet flap  
Draw the old sealing ring off the  
nozzle of the material outlet.  
Install the new sealing ring.  
Assembly sealing ring  
Observe the direction of installation.  
F
Install the unit.  
Order number  
&
sealing ring:  
ID 23098  
Maintenance 40  
 
 
SSPET5  
5.2.3. Adjusting the flap switch  
Remove the connecting plug “flap switch” from the connection housing of the  
hopper.  
Connect an ohmmeter to PINS 2 and 3 of the connecting plug “flap switch”.  
Release the nuts (A) of the flap switch (B) until the support can be displaced.  
Open the outlet flap (C) so far that  
the front tip of the outlet flap is  
approx. 30 mm (1.18 in.) away  
from the sealing surface.  
Displace the flap switch (B) until  
the contact of the magnet switch is  
closed.  
Tighten the nuts (A) of the flap  
switch.  
Check the adjustment:  
C
B
A
In case of free hanging outlet flap  
(empty hopper loader) the contact  
of the magnet switch must be  
closed.  
Outlet flap  
If the outlet flap cannot be properly adjusted, replace the flap switch or the outlet  
flap with magnet.  
Install the hopper.  
Order numbers  
&
switch with plug:  
ID 28839  
outlet flap with magnet: ID 23093  
Maintenance 41  
 
 
SSPET5  
5.3. Replacing carbon brushes at turbine  
This work must be carried out by qualified personnel only.  
Disconnect the unit from mains supply by the device plug before  
you begin with works on the controller. Danger to life!  
»
Depressurize all system sections of the equipment.  
Disassembly the unit.  
Remove the screws (A) at the lid.  
Remove the lid (B).  
Loosen the ground connections  
(C) and the mains cable (D).  
Remove the screws (E) at the  
turbine housing.  
Remove the turbine housing (F).  
Remove the cover (G).  
Loosen the brush holder lock.  
Pull out the brush holder.  
SSPET5  
Maintenance 42  
 
 
SSPET5  
Installation  
Mount the brush holder.  
Mount the cover (G).  
Mount the turbine housing (F).  
Mount the screws (E) at the turbine housing.  
Mount the ground connections (C) and the mains cable (D).  
Mount the lid (B).  
Mount the screws (A) at the lid.  
Install the unit.  
Observe that no cables will be squeezed.  
F
Carbon brushes can be replaced twice.  
After that the turbine has to be completely replaced.  
Order numbers  
&
Turbine (1200 W):  
ID 83380  
ID 85628  
Carbon brushes (switching off):  
Maintenance 43  
 
SSPET5  
6. Technical data  
Basic Version  
• Integrated control SSE / SSP  
• Integrated vacuum pump  
• Two component valve output  
• Parts coming in contact with material are made of stainless steel  
• Simple mounting to dosing and blending units due to compact and weight sav-  
ing design  
Optional Features  
• Integrated filter with automatic filter cleaning  
• Alarm output  
• Granulator output  
• Automatic shut-down with lack of material  
Performance  
• Typical conveying capacity  
SSPET5: up to 300 kg/hr (660 lbs/hr)  
• Hopper loader capacity  
SSPET5: approx. 5 l (0.28 cf.)  
• Connected load 230 V, AC, 50/60 Hz, 1.2 kW  
Technical data 44  
 
 
SSPET5  
Dimension Sheet  
Dimensions and data without obligation. Dimensions in mm. (in.) Specifications may be subject to alterations.  
Technical data 45  
 
SSPET5  
7. Parts list  
This parts list is only for the use of trained personnel only.  
»
All other persons are not permitted to repair or to change the  
equipment.  
Parts list 46  
 
 
SSPET5  
SSPET5  
Parts list 47  
 
SSPET5  
SSPET5  
Pos.  
1
Order no.  
Designation  
85628  
Brush holder with carbon  
(brush switching off)  
2
3
83380  
97556  
85460  
85462  
83080  
83379  
83098  
28420  
85533  
28839  
23093  
85477  
85471  
93358  
23098  
28626  
23091  
28625  
Turbine (1200 W)  
Solenoid valve  
Ventilation valve  
Compressed-air container  
Controller SSP  
Filter cartridges (4 pcs.)  
Controller SSE  
Sealing ring  
4
5
6
7
8
Tension ring  
9
Flap switch with plug  
Outlet flap with magnet  
Nut  
10  
Screw  
Disc  
11  
12  
13  
14  
Sealing ring  
Filter cloth  
Wire cloth  
Sealing  
Parts list 48  
 
SSPET5  
8. Accessories  
o _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  
o _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  
o _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  
o _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  
Accessories 49  
 
 

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