Troubleshooting; Corrective Action - Kobalt XC302000 Manuel D'utilisation

TROUBLESHOOTING

PROBLEM
Low 4. Blown gaskets.
discharge
pressure.
5. Leaking or damaged valves.
(Continued)
Excessive 1. Loose motor pulley or flywheel.
noise.
(knocking)
2. Loose fasteners on pump or motor. 2. Tighten fasteners.
3. Lack of oil in crankcase.
4. Worn connecting rod.
5. Worn piston pin bores.
6. Piston hitting the valve plate.
7. Noisy check valve in compressor
system.
Pressure Malfunctioning unloader valve on
switch does pressure switch.
not release
air when the
unit shuts
off.
POSSIBLE CAUSE

CORRECTIVE ACTION

4. Replace any gaskets proven faulty on
inspection.
5. Remove head and inspect for valve breakage,
misaligned valves, damaged valve seats, etc.
Replace defective parts and reassemble.
CAUTION
Unit care and maintenance. Install a new
head gasket each time the head is removed.
1. Tighten pulley / flywheel clamp bolts and set-
screws.
3. Check for proper oil level; if low, check for
possible damage to bearings. Dirty oil can
cause excessive wear.
4. Replace connecting rod. Maintain oil level and
change oil more frequently.
5. Remove piston assemblies from the
compressor and inspect for excess wear.
Replace excessively worn piston pin or pistons,
as required. Maintain oil level and change oil
more frequently.
6. Remove the compressor head and valve plate
and inspect for carbon deposits or other foreign
matter on top of piston. Replace head and
valve plate using new gasket. See Lubrication
section for recommended oil.
7. Replace check valve.
DANGER
Risk of Explosion. Do not
disassemble check valve with air
pressure in tank.
Replace the unloader valve if it does not release
the pressure for a short period of time when the
unit shuts off.
DANGER
Risk of Explosion. Do not
disassemble unloader valve with
air pressure in tank.
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