Use and Care Manual

TROUBLESHOOTING GUIDE (CONTINUED)

MAINTENANCE /

REPAIR

TROUBLESHOOTINGOPERATION

ASSEMBLY /

INSTALLATION

SAFETY /

SPECIFICATIONS

GETTING STARTED

SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION

Excessive noise (knocking)

(Continued)

6. Piston hitting the valve plate 6. Remove the compressor head and valve plate

and inspect for carbon deposits or other foreign

matter on top of piston. Replace head and valve

plate using new gasket.

7. Noisy check valve 7. Replace.

Oil in the discharge air

1. Worn piston rings 1. Replace with new rings.

2. Compressor air intake restricted 2. Clean filter. Check for other restrictions in the

intake system.

3. Restricted breather 3. Clean and check breather for free operation.

4. Excessive oil in compressor 4. Drain down to full level.

5. Wrong oil viscosity 5. Use FSC-1000A ISO-100 Premium Reciprocating

Compressor Lubricant

6. Connecting rod out of alignment 6. Replace rod.

Air leaking from unloader on

pressure switch

Check valve stuck in open position Remove and replace check valve

Do not disassemble check

valve with air in tank.