© Glenco Air & Power Pty Ltd
Table 8.1
Troubleshooting Chart
or totally seized.
11. Engine fault.
compressor pump.
11. See engine manual.
come up to speed.
pulley, loose compressor
pump pulley, or loose /
worn V-belts.
2. Low supply voltage.
3. Use of extension lead.
4. Engine throttle control not
opening fully or engine
fault.
5. Damaged or worn
compressor pump valves
or blown cylinder head
gaskets.
6. Compressor pump partially
1. Tighten or replace pulleys
as required, check
alignment and adjust V-
belt tension.
2. Check no load and full load
supply voltage. Upgrade
power supply circuit if
required. Disconnect any
other electrical devices on
the same supply circuit.
3. Do not use extension lead.
Use longer air hose with
larger diameter.
4. Adjust or replace throttle
control. See engine manual
for other action.
5. Replace compressor pump
valves or cylinder head
gaskets.
6. Repair or replace
Excessive noise (including
knocking and rattling) or
vibration.
1. Loose engine or motor or
loose compressor pump
pulleys. V-belts not
tensioned correctly or
misaligned.
2. Low oil level.
3. Pistons hitting the cylinder
heads.
4. Damaged or worn
crankshaft bearings,
crankpin bearings,
crankshaft, connecting
rods, piston pin bearings,
piston pins, pistons,
cylinders or valves.
5. Faulty non-return valve.
6. Loose fasteners.
1. Tighten or replace pulleys
as required, check
alignment and adjust V-
belt tension.
2. Add oil.
3. Remove cylinder heads
and check for carbon
deposits or other foreign
matter on top of pistons.
4. Replace components or
entire compressor pump.
5. Repair or replace non-
return valve.
6. Check and tighten
fasteners (including foot
mounts).
Slow pressure build-up or
1. Reduce air demand or use
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