Quincy Compressor 50093-103 - Manual (Page 69)

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FLUID SURGES INTO VACUUM LINE AFTER SHUT-DOWN
PROBABLE CAUSE CORRECTION
Inlet valve not closing properly Check and repair. Install auxiliary check valve.
Excessive exhaust pressure Check condition and resolve.
FLUID IS CLOUDY AND PUMP RUNS HOT
PROBABLE CAUSE CORRECTION
Condensable in the fluid Change fluid.
O-RING FITTINGS
Some QSVI models are equipped with some o-ring style fittings. These fittings are located at:
∗
Either end of the lubricant cooler supply and return hoses.
∗
Either end of the airend lubricant injection tube.
∗
Either end of the air/lubricant discharge tube from the airend.
! CAUTION !
Never screw o-ring style fittings into NPT pipe fittings or ports, or
screw NPT pipe nipples or fittings into ports with SAE straight threads
intended for o-ring style fittings. Severe damage to threads, leaks or
blow out will occur.
SAE Straight Thread O-ring Fitting (Adjustable)