Ingersoll Rand SS4L5 Manuel De L'utilisateur page 12

81412.15.15
PROBLEM
Oil in discharge air (oil pumping)
Oil leaking from shaft seal
Safety/relief valve "pops"
12
POSSIBLE CAUSE
1. Lubricant viscosity too low.
2. Detergent type lubricant being used.
3. Piston rings damaged or worn (broken, rough or scratched).
Excessive end gap or side clearance.
4. Piston rings not seated, are stuck in grooves or end gaps not
staggered.
5. Cylinder(s) or piston(s) scratched, worn or scored.
6. Worn cylinder finish.
7. Excessive condensate in receiver tank.
1. Crankshaft seal worn or crankshaft scored.
1. Clogged or dirty inlet and/or discharge line filter.
2. Compressor valves leaky, broken, carbonized or loose.
3. Defective safety/relief valve.
POSSIBLE SOLUTION
1. Drain existing lubricant and refill with proper lubricant.
2. Drain existing lubricant and refill with proper lubricant.
3. Install ring kit.
4. Adjust piston rings.
5. Repair or replace as required.
6. Deglaze cylinder with 180 grit flex-hone.
7. Drain receiver tank with manual drain valve.
1. Replace seal or crankshaft assembly.
1. Clean or replace.
2. Inspect valves. Clean or replace as required.
Install valve kit.
3. Replace
80448251 Rev. A