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9033895
Single-Phase Electric Air Compressor
V1.0
20
For technical questions call 1-800-665-8685
cyclinder
2. System
pressure
leaking back
through check
valve when
compressor is
stopped
3. Wrong oil
2. Check and
replace valve
if necessary
3. Drain oil and
replace
Excessive
vibration,
compressor
knocks
1. Loose
compressor,
motor or
engine guard
2. Compressor not
level
3. Feet boltsd
overtightened
to mounted
surface
4. Excessive
discharge
pressure
5. Wrong oil
6. Loose flywheel,
drive, pulley
or drive belt
7. Worn connector
rods, wrist pin
or main
bearings
8. Compressor
valves loose or
broken
9. Check valve
knocks at low
pressure
1. Tighten
components
2. Level the
compressor
3. Loosen bolts
4. Reduce
operating
pressure
5. Drain and
replace
6. Tighten loose
components and
adjust belt
7. Check and
replace worn
parts
8. Check and
replace worn or
broken valves
9. Remove and
clean check
valve