Powerex AS-XXX - Manual (Page 20)

Reciprocating Air Compressor Pumps
Maintenance Schedule
Operating Hours
Item Action needed 500 2,500 5,000 10,000 15,000 20,000 Remarks
Tank Drain moisture Daily
Inlet air filter Replace ● ▲ (Every 2,500 hrs or less)
Blower fan Clean ● ● ● ●
Fan shroud Clean ● ● ● ●
Compressor fins Clean ● (Every 2,500 hrs or less)
Oil change Replace (Every 1,500 hrs)
Compression rings Replace ▲
Check oil Inspect Daily
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 initial start up and inspected every 1,500 hours afterwards. Proper
belt tension for 3/4 to 3 HP units is 2-3 lbs./.5” deflection; for 5 to 10 HP units, 4-6 lbs./.5” deflection.
4
Oil Level
To check lubricating oil, see oil gauge. Refill if necessary.
Remove cap
and add oil
using funnel
Oil gauge
Full
Low
Round (red)
How to Read Oil Gauge
Oil Change
Replace lubricating oil fully within designated time. Before
draining oil, remove oil supply cap and then oil drain cap in
order to release air.
RECOMMENDED OIL
Mobil Rarus 427, Shell Turbo T68, Exxon Esstic T68 and Texaco
Rando T68.
CLIMATE CONTROL APPLICATIONS
Mobil DTE Heavy and Mobil Rarus 427
Dispose of oil in accordance with
state or local codes.
!
WARNING
Oil drain cap