Sperre HV2/200, Инструкция по эксплуатации

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Instruction book for compressor type HV2/200
Page 11
4. OPERATIONAL FAILURES
Some of the faults which may occur during operation are summarised below:
Fault symptom Possible cause Remedy
Dirty, worn or damaged
valves. Inspect and clean all valves.
Replace defective parts.
Piston rings have stuck in the
ring grooves, or are
damaged/broken.
Disassemble the rings. Clean
grooves and rings and replace
defective parts. Reassemble,
applying oil to the cylinder walls.
Leaking safety valve. Replace safety valve.
Defective cylinder head
gasket.
Replace gasket.
A
The compressor has poor
capacity and/or does not
produce full pressure.
Clogged air filter. Clean filter.
HP suction valve damaged or
dirty. Inspect and clean valves and
replace defective parts.
Leaking seal in HP suction
valve.
Replace seal.
B LP safety valve blows.
LP safety valve defective or
damaged.
Replace safety valve.
Stop valve in the air line is
closed.
Open the stop valve.
Clogged non-return valve.
Remove and clean non-return
valve. Replace defective parts.
C HP safety valve blows.
HP safety valve defective or
damaged.
Replace safety valve.
Overheating.
Check cooling water circulation
and temperature. Inspect and if
necessary clean coolers.
Polluted intake air. Inspect intake filter.
Poor lubricating oil.
Change oil grade. (See Section
5.3 for recommended oil grades.)
Further information can be
obtained from Sperre.
D
Valves need overhauling
too often.
Valve clamp bolts not
tightened enough. Tighten the clamp bolts to the
correct torque. (See Table 6.3)
Defective bearings.
Inspect bearings and check
clearances.
Low oil level or condensation
in oil. Drain and clean crankcase sump,
fill with new oil.
E
Overheating and/or
abnormal noise in
crankcase.
Jamming crankshaft bearing.
Check bearing clearances.
Replace defective parts.
Incorrect fitting of piston or
crosshead bearing.
Replace defective parts, check
piston clearances, ring clearances
and crosshead bearing.
F
Piston overheating and
friction.
Cooling malfunction.
Check cooling water circulation
and temperature.
Worn piston rings. Replace piston rings.
G Increased oil consumption.
Leakage.
Check the exterior of the
compressor.