Powerex AS-XXX User Manual download pdf (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

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