Champion R15B Operation & Maintenance Manual page 14

WARNING
SERVICE PROBLEM
A Motor will not Start
B Motor is Noisy or Overheats
C Motor Stops
D Compressor Runs Hot
E Compressor Pumps Too Slowly
F Compressor Won't Shut Off
G Noisy Check Valve
H Excessive Belt Wear
I Abnormal Pressure Fluctuation
J Air Escapes From Unloader Muffler When Running
K Air Escapes From Unloader Muffler When Stopped
L Interstage Pressure Relief Valve Pops Off Continuously
M Compressor Cycles (runs) too Often
N Starter Kicks Out
POSSIBLE CAUSE OF PROBLEM
1 Main Switch and Fuses Open
2 Magnetic Starter Heater Coils Open
3 Magnetic Starter Tripped
4 Points in Pressure Switch Defective
5 Diaphragm in Pressure Switch Bad
6 Low Voltage
7 Motor Lubrication Inadequate
8 Excess Water in Air Receiver
9 Dirty Aftercooler; Cylinder and Intercooler
10 "V" Belts Improperly Tensioned
11 Improper Flywheel Rotation
12 Compressor Pump Valves Defective
13 Pipe Line Leaks
14 Misadjustment of Pilot Valve -
optional parts.
15 Pilot Valve Leaks -
This is for optional parts.
16 Centrifugal Unloader Valve is Leaking
17 Check Valve is Leaking
18 Check Valve is Worn
19 Check Valve or Line to Tank is Plugged
20 Misaligned Belts
21 Dirty Intake Filter
22 Low Crankcase Oil Level
FOR EXPLANATION SEE NEXT PAGE
TROUBLE SHOOTING CHART FOR COMPRESSOR
Always disconnect unit from power supply and relieve all pressure from air tank before
performing any maintenance. Failure to do so may result in equipment damage or injury.
ALock Out" or "Tag Out" all power sources.
Never operate unit without belt guard in place.
Never use gasoline or flammable solvent on or around compressor unit. Explosion may
result.
N
This is for
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G F E D C B
G F E D C B
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