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Maintenance Schedule
Operating Hours
Item Action needed 500 2500 5000 10,000 15,000 20,000 Remarks
Tank Drain moisture Daily
Inlet air filter Replace ●▲(Every 2,500 hrs or less) Part #91348550
Blower fan Clean ●●●●
Fan Duct Clean ●●●●
Compressor Fins Clean ● (Every 2,500 hrs or less)
Bearings Grease ▲▲Service Center Only
Tip seal Replace ▲▲
Dust seal 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 and inspected every 2,500 hours afterwards. Proper
belt tension for 3 HP units is 7 lbs./.16” deflection; for 5 HP units, 7 lbs./.19” deflection.
4. See Compressor Pump Manuals for replacement or service procedures.
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