Rolair VT25BIG Manual De Instrucciones página 14

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WARNING
Make sure you completely understand all of the safety warnings and operation of each system control
component before attempting any maintenance or repair. Always drain the tank pressure completely, make sure the power cord is
unplugged, and unit has time to cool before performing any maintenance or service operations.
PROBLEM
Pump is slow to build tank pressure
Excessive oil consumption
Knocking noise
Overheating compressor
Electric motor dead,
will not even hum
Motor trips overload/reset button
CAUSE
Excessive leaks in system
Blown gasket
Broken reed valve
Obstructed intake filter
Leaking regulator
Too much oil in crankcase
Improper weight of oil
Obstructed crankcase vent
Dirty/plugged intake filter
Worn piston rings
Scored cylinder
Internal pump problem
Poor ventilation
Internal pump problem
Thermal overload tripped
Reset physically broken
Loose motor leads or electrical
connection
Short in power cord
Motor is starting/stopping excessively
Overload is defective/weak
Improper gauge of extension cord
Stripped or poorly tightened motor thru
bolts
Cracks in end bell or housing
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SOLUTION
Correct air leaks
Replace head gaskets
Replace reed valves
Clean or replace intake element
Replace regulator
Drain to proper level
Replace with proper oil
Replace dipstick or oil fill plug/crankcase
vent
Clean/replace intake filter
Take unit in for service
Take unit in for service
Take unit in for service
Relocate compressor
Take unit in for service
Locate and push reset button
Replace overload/reset
Locate and correct loose electrical
connection(s)
Replace power cord
Install constant speed or dual control kit
Replace overload
Use longer lengths of air hose or heavier
cord
Retighten or replace stripped thru bolts
Take unit in for service