Troubleshooting guide
WP
33L_
BA_K
1_1
2_en_
08.
fm
49
Abnormal compressor
noise.
Connecting rod bearing faulty.
(noise when off-load).
Check connecting rod bearing, replace
if necessary. Check oil supply.
Gudgeon pin bearing faulty.
Check gudgeon pin bearing, replace if
necessary.
Crankshaft bearing faulty.
Check crank shaft bearing, replace if
necessary.
Motor bearing faulty.
Check motor bearing, replace if neces-
sary.
Oil leaking from crankcase.
Gasket or shaft seal faulty.
Screws not tight.
Tighten all screws.
If there is
significant leakage
, check
to see which gasket is faulty, then
replace it.
Minor traces of oil
on the crankcase
or oil drops below the compressor are
harmless. Wipe off with a lint-free rag.
Air leak between cylinder
and valve cover.
Gasket or O-ring of the liner
above the relief groove faulty.
Replace gasket or O-ring.
Oil leak at relief groove of
cylinder flange.
O-ring of the liner beneath the
relief groove faulty.
Replace O-ring.
Water in the oil
Poor ventilation (compressor
is overcooled).
Correct the room ventilation.
Poor drainage.
Check drain lines and drain intervals.
No isolating hose at crankcase
ventilation or isolating hose is
broken.
Replace isolating hose.
Very short compressor run
time.
Extend compressor running time.
Premature failure of valve
plates, valve springs or
valve discs.
Poor drainage.
Check drain lines and drain interval.
Note:
Indentation marks on the valve
plate due to valve impact are normal.
Fault
Probable cause
Remedy
Summary of Contents for WP 33 L
Page 4: ...Zertifikate_en_0 fm Genuine Sauer spare parts certified safety SPECIMEN...
Page 85: ...S a u e r C o m p r e s s o r Type WP 33 L Spare Parts List...
Page 89: ...Spare Parts List WP33L_ET_en_08 fm E 5...
Page 94: ...E 10 WP33L_ET_en_08 fm 060 315 Compressor WP33L 100 21 17 22 1 19 20 11 12 2...
Page 96: ...E 12 WP33L_ET_en_08 fm 060 315 Compressor WP33L 100...
Page 100: ...E 16 WP33L_ET_en_08 fm 061 383 Dipstick 3 1...
Page 102: ...E 18 WP33L_ET_en_08 fm 060 317 Crankshaft 4 5 2 6 3 7 5 4 1...
Page 104: ...E 20 WP33L_ET_en_08 fm 060 280 Connecting rod 1st stage 1 4 7 5 6 50 Nm...
Page 106: ...E 22 WP33L_ET_en_08 fm 060 283 Connecting rod 2nd stage 1 4 7 5 6 50 Nm...
Page 108: ...E 24 WP33L_ET_en_08 fm 034 989 Piston 1st stage 7 3 4 5 6 2 1...
Page 110: ...E 26 WP33L_ET_en_08 fm 060 319 Piston 2nd stage 7 3 4 5 1 6 2...
Page 112: ...E 28 WP33L_ET_en_08 fm 068 628 Cylinder with head and valve 1st stage 3 2 4 5 1...
Page 114: ...E 30 WP33L_ET_en_08 fm 068 615 Cylinder with head and valve 2nd stage 2 3 4 1...
Page 118: ...E 34 WP33L_ET_en_08 fm 060 328 Crankcase vent 3 1 2 5 6 060 328 1st stage...
Page 120: ...E 36 WP33L_ET_en_08 fm 030 915 Safety valve 1st stage 1 3...
Page 122: ...E 38 WP33L_ET_en_08 fm 030 752 Safety valve 2nd stage 1 3...
Page 124: ...E 40 WP33L_ET_en_08 fm 060 440 Air pressure piping 7 8 4 6 2 4 6 9 1 5 10...
Page 126: ...E 42 WP33L_ET_en_08 fm 060 312 Separator 2 7 8 1 4 6 3 8...
Page 128: ...E 44 WP33L_ET_en_08 fm 035 010 Pressure gauge 1 2...
Page 130: ...E 46 WP33L_ET_en_08 fm 060 354 Automatic drainage system 3 1 4 5...
Page 132: ...E 48 WP33L_ET_en_08 fm 060 589 Resilient mounts 3 5 1 4 2 6 4 2 6...
Page 134: ...E 50 WP33L_ET_en_08 fm 065 568 Resilient mounts 3 5 1 4 2 6 4 2 6...
Page 136: ...E 52 WP33L_ET_en_08 fm 061 001 Hose line 1 2...
Page 138: ...E 54 WP33L_ET_en_08 fm Flexible coupling 1 2 3 Compressor Motor...
Page 140: ...E 56 WP33L_ET_en_08 fm Flexible coupling 1 2 3 Compressor Motor...
Page 142: ...E 58 WP33L_ET_en_08 fm...