11
maintenance
Monthly
Inspect for air leaks. Squirt soapy water around joints during compres-
·
sor operation and watch for bubbles. Tighten fittings if necessary.
Clean exterior.
·
3 months or 500 hours
Change petroleum lubricant in pump while crankcase is warm.
·
12 months or 1000 hours
Replace air filter element.
·
Drive Belt
Belts will stretch in normal use. Properly adjusted, a 5 pound force
applied to the belt between the motor pulley and the pump will deflect
the belt about 1/2”.
To Adjust Drive Belt
Remove belt guard.
1.
Loosen the four fasteners holding the engine to the compressor.
2.
Shift the engine in the proper direction. The belt must be properly
3.
aligned when adjustment is made.
To align belt, visually center engine pulley to compressor pulley.
4.
If necessary, move the pulley on the engine shaft.
5.
Check for proper belt tension (see diagram).
6.
Tighten the four fasteners holding the engine to the top plate.
7.
Attach belt guard.
8.