1809 Century Avenue, Grand Rapids, Michigan 49503 U.S.A. • (616) 241-1611 • Fax: (616) 241-3752
1108 So. Portland Avenue, Oklahoma City 73108 U.S.A. • (405) 942-6622 • Fax (405) 942-2855
TROUBLESHOOTING
PROBLEM STEP PROBABLE CAUSE WHAT TO CHECK IF PROBLEM
STILL
EXISTS GO
TO STEP ...
Low Transfer
Rate
1 Worn or Broken Piston Rings Check condition of rings by restricting
discharge line. If pressure increases slowly,
rings are probably faulty.
2
2 Compressor Valve Faulty Remove and inspect for broken or worn
springs, discs, or bodies.
3
3 Compressor Drive Slipping Tighten belts, check for sheared keys, loose
couplings or flywheel.
4
4 Piping Improperly Designed or
Installed
Use proper pipe sizes.
Knocks or
Other Noises
5 Loose Valves Tighten valve hold-down screws. 6
6 Worn Internal Parts Inspect through inspection plates and repair as
necessary.
2
No Oil
Pressure
7 Oil Pump Relief Valve Not
Properly Set.
Set oil pump relief valve. 8
8 Oil Pump Not Working Check the Oil Pump drive tab or stop pin for
damage.
9
9 Low Oil Level Check and fill as necessary 10
10 Dirty Inlet Strainer Clean Inlet Strainer
Gas Leaking
From
Crankcase
Breather
11 Faulty/Worn Packing Replace Packing. 12
12 Piston Rod Scored Replace crosshead assemblies and packing. 13
13 Improper Seal Arrangement See "Seal Arrangements".
Shake or
Vibration
14 Improper Mounting Ensure base rails are supported full length (see
"Mounting the Compressor Unit").
15
15 Nonfunctioning Valves Replace or repair valves. 16
16 Unbalanced Load Consult Factory-See Notes Below
Consult factory for further information.
To Previous Page
Loading...
