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CONDITION
V-Belts Roll Off the
Flywheel or Motor Pulley
Flywheel or Motor Pulley
Wobbles or Comes Loose
Pressure Switch Unloader
Does Not Function or Leaks
Air When Unit is Operating.
Pressure Switch Unloader
Leaks Air When Unit Is Not
Operating.
Water in Air Receiver
Seized Compressor Pump.
Flywheel Will Not Turn
Freely.
Oil Leaks or Appearance of
Oil on the Compressor
For us, it's not just business. It's personal.
CAUSE
1. Flywheel and motor pulley
not aligned properly.
2. Belts do not match
fl ywheel groove.
3. A nick or tear on the edge
of the belt.
4. Not a matched set. (If two
or more belts are used.)
1. Bolt not tight enough on
fl ywheel.
2. Set screw on motor pulley
not tight enough.
1. Pressure Switch unloader
may be dirty or faulty.
1. Check valve may be dirty
or faulty.
1. Condensation in the air
receiver.
1. Started without oil.
2. Ran low on oil.
3. Worn rod bearing inserts.
4. Piston and pin assembly
seized.
5. Worn crankshaft bearings.
1. Spillage of oil when fi lling.
2. Overfi lling the crankcase.
3. Improper grade of oil.
4. Leak at oil fi ller plug.
5. Oil leak at gaskets, cap
screws, head, cylinder or
crankcase.
6. Loose valve plugs.
7. Loose side or end plates.
8. Oil seal leak.
9. Scratch or burr on the
crankshaft.
CORRECTIVE ACTION
1. Align using a straight edge.
2. Purchase new set of matched belts.
3. Purchase new set of matched belts.
4. Purchase new set of matched belts.
1. Tighten as required.
2. Replace set screw with lock-tite coating
or replace motor pulley.
1. Clean, repair or replace Pressure Switch.
1. Clean, repair or replace Check Valve.
1. Drain daily or install an automatic drain
Pump will require an overhaul.
Contact Omega Compressor Service Centre.
1. Wipe unit clean.
2. Drain oil and fi ll to proper level.
3. Replace with proper 30wt. non-
detergent compressor oil.
4. Tighten or replace oil fi ller plug and/or
"O" ring.
5. Replace gaskets as required. Use pipe
dope or gasket compound on all cap
screw threads.
6. Tighten valve plugs.
7. Tighten plates.
8. Replace oil seal.
9. File or sand with emery cloth.
7
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