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Oilless Reciprocating Air Compressor Pumps
Maintenance Schedule
Operating Hours
Item Action needed 500 2500 5000 10,000 15,000 20,000 Remarks
Tank Drain moisture Daily Drain tank daily
Inlet Air Filter Replace ●▲(Every 2,500 hrs or less)
Blower Fan Clean ●●●●
Fan Duct Clean ●●●●
Compressor Fins Clean ● (Every 2,500 hrs or less)
Bearings Replace ●▲
Compression Rings Replace ●▲●▲
Wrist Pin Bearing Regrease *Note 4 ▲▲▲▲
Piston Set Replace ▲▲
Cylinder Inspect ●●●●
Unloader Set Replace ●▲●▲
Gasket Set Replace ▲▲
Bearing Seal Wrist
Pin Replace ▲▲
V-belt Inspect, replace *Note 3 ●▲▲▲▲
Pressure Switch Confirm operation ●●
Magnetic Starter Inspect ●●Replace if contact
points deteriorated
Safety Valve Confirm operation ● (Every 2,500 hrs or less)
Pressure Gauge Inspect ● (Every 2,500 hrs or less)
● Inspect
▲ Replace
NOTES:
1. Inspect and perform maintenance periodically according to maintenance schedule.
2. The maintenance schedule relates to the normal operating conditions. If the circumstances and load condition are adverse,
shorten the cycle time and do maintenance accordingly.
3. The tension of the V-belt should be adjusted during the initial stage (500H) and inspected every 2,500 hours afterwards.
Proper belt tension for 1 to 3 HP units is 2-3 lbs./.5” deflection; for 5 to 15 HP units, 4-6 lbs./.5” deflection.
4. See page 8.
Air Filter Replacement
1. Remove wing nut or spring clips
2. Remove canister and wipe inside clean with dry cloth.
3. Remove and discard filter cartridge.
4. Install new filter cartridge. Do not attempt to clean and reuse filter cartridge.
5. Wipe inside clean with dry cloth.
Figure 5 - Air Filter Replacement
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