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INSTALLATION AND OPERATION MANUAL, GAS SKILLETS, MODELS GMTS-(30, 40, 60)
TROUBLESHOOTING - HYDRAULICS (Continued)
2. FOAMING OIL:
1. Return of tank line not below fluid level.
2. Fluid contamination.
3. Suction leak to pump.
3. MOISTURE IN OIL:
1. Fill pipes left open.
2. Moisture in cans used to replace oil in tank.
3. Extreme temperature differential.
4. OVERHEATING OF SYSTEM:
1. Continuous operation at relief setting.
2. Excessive slippage or internal leakage.
3. Fluid viscosity too high or low.
4. Hose I.D. too small causing high velocity.
5. Improper air circulation around reservoir.
6. System relief valve set too high.
7. Power unit operating in direct sunlight or ambient temperature is too high.
5. PUMP MAKES EXCESSIVE NOISE:
1. Check for vacuum leaks in suction line.
2. Vacuum leak at pump shaft seal.
3. Check alignment with drive mechanism. Misalignment will cause wear and subsequent
high noise level operation.
4. Relief valve set too high.
Part No. 10094R2
19
2019-01-16
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