SDI-W
Feb ‘19
- 19 -
Trouble Shooting Guide (cont’d)
Condition:
Cause:
Suggested Correction:
I. Crack in Air Receiver.
This condition is rare and can be caused by
damage during transit or incorrect mounting
on site.
Do not attempt to repair the Tank. Do not
continue to operate the Compressor Unit.
Contact your local Distributor for further
guidance.
J. Compressor Pump
Seizes.
Started without oil in the Pump.
Pump ran low on oil.
Worn Connecting Rod bearing Inserts.
Piston and Pin Assembly seized.
Worn Crankshaft Bearings.
The Pump will require a complete overhaul, at
which time the defective parts must be replaced.
K. Oil Leaks or the
Appearance of Oil on the
Compressor.
Oil was spilled when filling the Pump.
Over-filling of the Pump with oil.
Leak at Oil Fill Plug.
Leak at Oil Drain.
Oil leak at Gaskets, Cap Screws, Cylinder
Head, Cylinder, or Crankcase.
Oil Seal leak.
Use care when filling with oil. Wipe any spills
immediately.
Drain oil until proper level is reached.
Check Filler Plug. Change O Ring.
Ensure Pipe Nipple and Cap are sealed.
Initially, retorque fasteners to factory specs. If
leaks persist, replace Gasket. Use Loctite Form-
a-Gasket on Head Bolts and Crankcase to
Cylinder Bolts.
Inspect Crankshaft for any scratches or burrs.
Use emery cloth. Replace Oil Seal as required.
L. Unloader at Pressure
Switch Does Not
Function, or Leaks When
Unit Operating.
Unloader may be dirty or faulty.
Clean, repair, or replace.
M. Unloader Leaks
Constantly When Unit is
Not Operating.
The Disc inside the Tank Check Valve is not
seating properly, allowing the compressed
air in the Tank to escape.
Clean or replace the Check Valve as required.
N. Intercooler Safety Valve
Pops Continuously.
Dirty or defective Valves will cause back
pressure.
Intercooler clogged with carbon.
Clean, repair or replace the Valves.
Clean or replace.
