Medical Air & Laboratory Air Systems – 7.5 & 10 HP Pumps
Powerex
•
150 Production Drive
•
Harrison, OH 45030
•
USA
P 1.888.769.7979
•
F 513.367.3125
•
www.powerexinc.com
IN594402AV
•
06/2017
Page 23 of 28
Compressor
Item
Action Needed
Operating Hours
Remarks
500
2,000
8,000
16,000
24,000
32,000
Inlet air filter
Inspect
Replace
●
▲
Replace both at 2,000 hours
Blower fan
Clean
●
●
●
●
Fan duct
Clean
●
●
●
●
Compressor fins
Clean
●
●
●
●
Every 8,000 hours or less
Bearings
Grease
▲
▲
▲
▲
Every 8,000 hours
Tip seal
Replace
▲
▲
▲
▲
Every 8,000 hours
V-belt
Replace
●
▲
▲
▲
▲
See Note 3
Pressure switch/
transducer
Confirm operation
●
●
Magnetic Starter
Inspect
●
●
Replace if contact point is deteriorated
Check valve
Replace
●
▲
▲
▲
▲
Check every 2000 hours, replace every
8000 hours
Piping System
Item
Action Needed
Operating Hours
Remarks
2,000
4,000
8,000
12,000
16,000
20,000
Safety valve
Confirm operation
●
●
Every 2,000 hours or less
Pressure gauge
Inspect
●
●
Every 2,000 hours or less
Tank
Drain moisture
Verify proper drain operation
Air leaks
Inspect
●
●
●
Electric auto drains
Replace
Replace every 4 years
Air Dryers
Item
Action Needed
Operating Hours
Remarks
500
2,500
8,000
10,000
15,000
20,000
Desiccant Dryer
Switch dryer
online/offline
Each month (see dryer manual for main-
tenance instructions)
●
– Inspect
▲
– Replace
Maintenance Schedule
NOTES:
1. Inspect and perform maintenance periodically according to the 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 perform maintenance accordingly.
3. Belts require no attention unless slippage is detected (Chirping sound on start up or while running). Re-tension as indicated when tip
seals are replaced for the first time. Proper belt tension should be 0.25 inch deflection when 6 pounds of force is applied on the center
of the belt span.
4. Grease bearings after 3 years even if hours have not reached 8,000.
