Max-Air Systems 90 PBAC, Owner'S Operating Manual

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defective replace
Safety valve II blows off 3rd stage valves Replace
defective
Safety valve III blows off Maximum operating Stop compressor,
pressure exceeded disconnect cylinder
Final safety valve blows Safety valve not well Replace safety
off below 210 bar adjusted valve
Safety valve 1st or 2nd stage blows Safety valve defective Replace safety
off below normal intermediate pressures valve
Engine speed and output decrease
Engine power insufficient Adjust v-belt
v-belt slipping
Output decreases Valves blocked or leaking Clean or replace
although engine speed Damaged piston of 3rd stage Replace
is correct Blocked cooling tubes or Tighten or replace
gaskets leaking Check; brush with soap,
replace
Intake filter blocked Replace
Intake hose bent Readjust
Worn pistons or rings Replace
Oil taste in delivered air Activated carbon Replace
filter saturated
Compressor gets too hot Wrong direction of See arrow on
rotation compressor
Dirt on outside of cooler Clean
Dirty valve(s) not closing Clean or replace
property (causing over-
charge of another stage)
V-belt torn (loose) Replace (tighten)
Strict observance of the operating instructions increases the life of the compressor and reduces down time.
Gas engine does not start See operating manual
Electric motor does not start One phase failed Check fuses
Safety valve 1 blows off 2nd stage valves Clean valves or
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Trouble Shooting
Trouble Cause Remedy