MacDon M155 Operators Manual - Manual (Page 419)

TROUBLESHOOTING
Defective winding or improper
connection in compressor
clutch coil or relay
Excessive charge in system
Low charge in system
Excessive moisture in system
Contact Dealer. Contact Dealer.
Loose or excessively worn
drive belt
Tighten or replace as required.
Tensioning A/C
Compressor Belt,
page 325
and
Replacing A/C
Compressor Belt,
page 325
Noisy clutch
Remove clutch for service or
replacement as required.
Noisy compressor
Check mountings and repair.
Remove compressor for service or
replacement.
Compressor oil level low Add SP-15 PAG refrigerant oil.
Air Conditioning
System Too Noisy
Blower fan noisy due to
excessive wear Remove blower motor for service or
replacement as necessary.
Contact Dealer.
Windows Fog Up High humidity
Run A/C to dehumidify air and
heater to control temperature. 3.10.3 Controls,
page 56
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Revision A