Tabla de contenido
Idiomas disponibles
Idiomas disponibles
UNIT CYCLES AUTOMATICALLY WHEN POWER IS ON. WHEN DOING MAINTENANCE, YOU MAY BE
EXPOSED TO VOLTAGE SOURCES, COMPRESSED AIR OR MOVING PARTS. PERSONAL INJURIES
CAN OCCUR. BEFORE PERFORMING MAINTENANCE OR REPAIR, TURN OFF AND LOCK OUT
ELECTRIC POWER AND BLEED OFF AIR TANK PRESSURE. NEVER OPERATE THE COMPRESSOR
WITH THE BELT GUARD REMOVED.
PROBLEM
Excessive tank pressure - safety
valve pops off.
Air leaks at fittings or hose.
Air leaks inside check valve.
Continuous air leak at unloader
valve.
Air leaks at air tank welds.
Air leak from safety valve.
Knocking noise.
Compressor is not supplying
enough air to operate accesso-
ries.
TROUBLESHOOTING GUIDE
CAUSE
Unloader valve does not release pressure
when tank reaches "blow-off" pressure.
Tube or hose fittings are not tight enough.
Defective or dirty check valve.
Defective check valve.
Defective air tank.
Possible defect in safety valve.
Defective check valve.
Loose pulley.
Low oil level (Compressor or engine).
Loose flywheel.
Loose compressor or engine mounting
screws.
Loose belt.
Carbon build-up.
Stiffener bar loose.
Prolong excessive use of air.
Compressor is not large enough for air
requirement.
Restricted air intake filter.
Loose belt.
Hole in hose.
Check valve restricted.
Air leaks.
15 - ENG
CORRECTION
Unloader valve must be replaced.
Tighten fittings where air can be heard escaping.
Check fittings under soapy water solution. DO NOT
OVER-TIGHTEN.
Remove and clean or replace check valve. DO NOT
OVER-TIGHTEN.
Turn off engine, move unloader valve toggle lever to
vertical position. If air leaks out of tank through
unloader valve, clean or replace check valve.
Air tank must be replaced. Do not attempt repair of
any leaks.
DO NOT DRILL INTO, WELD OR OTHER-
WISE MODIFY AIR TANK. IT WILL BE
WEAKENED.
Operate safety valve manually by pulling on ring. If
valve still leaks, it should be replaced.
Remove and clean or replace.
Tighten pulley set screw.
Maintain prescribed oil level. Add oil
Tighten screw.
Check bolts. Tighten as required.
Tension belt per instructions on page 12, step 5.
Remove the head and valve plate. Clean the valve
plate and the top of the piston. (Be sure carbon does
not fall into the cylinder.) Reassemble to 25-30 ft.lbs.
using new gasket and torque screws.
Check both nuts and tighten if required.
Decrease amount of air usage.
Check the accessory air requirement. If it is higher
than the SCFM or pressure supplied by your air
compressor, you need a larger compressor.
Clean or replace air intake filter.
Adjust belt tension.
Check and replace.
Remove and clean or replace.
Tighten fittings. (See Air Leaks section of Trouble-
shooting Guide.)
D20396
Capítulos
Tabla de contenido
