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SRS-40 Owner’s Manual
Hydraulic Oil Cooler/Compressor Oil Cooler
For reliable operation and longevity of both compressor and hydraulic system, the cooler
should be kept clean. The compressor system is protected from operation at high temper-
ature by a switch gauge. If the compressor shuts down or is operating close to the shut
down temperature, the cooler should be cleaned. The cooler can be cleaned with com-
pressed air, pressure washer or steam cleaner.
Maintenance Procedure
1. Turn off the compressor, hydraulic system and
truck engine to ensure that compressor is not started.
2. Discharge the receiver.
3. Remove the shroud.
4. Drain oil from the compressor.
5. Disconnect:
a. Lines to the cooler.
b. Lines to the thermo valve.
c. Electrical connection to the fan.
6. Remove the cooler.
7. Remove the fan shroud and fan from the cooler.
8. Cap the hydraulic fittings on the cooler and thermo valve.
9. Clean cooler.
10. Reinstall the cooler in reverse order.
11. Refill with oil.
12. Test run compressor and check operating temperature.
13. Check oil level and fill if necessary.
Oil Cooler
Summary of Contents for SRS-40
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