Safety-Kleen Systems, Inc.
Models 90, 91, and 94 Manual Aqueous Parts Washers
Support Manual
Page
7
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14
6. Connect the hose assembly from the sink to the hose from the pump.
7. Install the lamp assembly. (During repairs of HPM units, avoid reusing the existing
lamp to assure integrity of assembly)
8. Install a 40-watt bulb and clear lamp cover.
9. Plug the unit into the customer’s receptacle, turn it on and check for normal
operation. Wait for a few moments to confirm that the heater is raising the fluid
temperature.
Model 91 Vat Installation
1. Place the vat into its location at the customer site.
2. Fill the reservoir with 50 gallons of aqueous solution.
3. Place the HPM into the vat on the side panel compartment.
4. Connect the discharge hose from the pump to the fitting on the partition wall
assembly.
5. Place the partition wall assembly into the vat on the left side.
6. Connect the hose assembly from the vat to the quick connect fitting on the partition
wall assembly.
7. Install the lamp upright bracket onto the back panel of the vat.
8. Install the lamp assembly onto the upright bracket. (During repairs of HPM units,
avoid reusing the existing lamp to assure integrity of assembly)
9. Install a 40-watt bulb and clear lamp cover.
10. Plug the unit into the customer’s receptacle, turn it on and check for normal
operation. Wait for a few moments to confirm that the heater is raising the fluid
temperature.
5.0 TROUBLESHOOTING GUIDE
TOP ISSUES THAT CAN BE RESOLVED AT THE CUSTOMER
1. Check customer outlet for power
Use Outlet Tester to confirm proper wiring
2. Circuit breaker switches are off
Turn them on
3. Pump pulsing on and off
Add 5 gallons water, press Test, press Reset
4. Pump “hums” but does not flow
Check for debris at the impeller
5. Pump rattling
Replace pump assembly (magnet issue)
6. Lamp flashing (nuisance tripping)
Press GFCI Test, wait 5 sec, Press Reset
The above steps have resolved more than 95% of field
issues.
Your primary line of defense with the SK #2387 HPM is the
troubleshooting label that comes in every kit. Apply this label
to the sink or vat and inform the customer about these simple
troubleshooting tasks.
2007 to Present Poly Box SK #2387
