48
Problem
Possible Cause
Possible Solution
Connecting rod, piston pin, or
crank wrist pin bearings worn or
scored.
Inspect all. Repair or replace as
required.
Air compressor is not large enough
for air required.
Check the accessory air
requirement. If it is higher than the
CFM or pressure supply of the air
compressor, you need a larger air
compressor.
Defective gaskets.
Replace and torque head bolts to 6
- 7 ft lb.
Fittings not tight enough or leaking. Warning drain air before tightening:
tighten f ttings where air can not be
heard escaping. Check joint with
soap solution. Do not overtighten.
Hose or hose connections are to
small or long.
Replace with larger hose or
connectors.
Possible defective reed valve.
(Hand Carry Units)
Remove pump head and inspect
valve plate and (reed) valve. Clear
or replace valves as required.
Insuff cient pressure at air tool or
accessory
Clogged or dirty inlet and or
discharge line f lter.
Clean or replace.
Lubricant viscosity too high
Drain existing lubricant and ref ll
with Jenny Ultimate Blue Synthetic
lubricant.
Compressor check valve leaky,
broken, carbonized or loose.
Clean or replace as required.
Inspect valves.
Carbon build up on top of piston.
Clean piston. Repair or replace as
required.
Piston rings damaged or worn
(broken, rough, or scratched).
Excessive end gap or side
clearance. Piston rings not
seated, are stuck in grooves or end
gaps not staggered.
Install new rings.
Cylinder or piston scratched, worn,
or scored.
Repair or replace as required.
Connecting rod, piston pin, or
crank wrist pin bearings worn or
scored.
Inspect all. Repair or replace as
required.
Air compressor is not large enough
for air required.
Check the accessory air
requirement. If it is higher than the
CFM or pressure supply of the air
compressor, you need a larger air
compressor.
Defective gaskets.
Replace and torque head bolts to 6
- 7 ft lb.
Summary of Contents for Reciprocating Air Compressors
Page 4: ...4 Section 1 Safety and Health Instructions...
Page 14: ...14 Section 2 Introduction and Description...
Page 19: ...19 Section 3 Preparation for Use and Initial Installation Instructions...
Page 24: ...24 Section 4 Operating Instructions...
Page 36: ...36 Section 5 Maintenance Instructions...