MacDon 9250, Operator'S Manual

Page: 122 / 160

Form # 46584 Issue 11/06 Web Rev_01
120
TROUBLE SHOOTING
SYMPTOM PROBLEM SOLUTION REF.
Air conditioning system
too noisy. (continued) Excessive moisture in
system. Replace receiver-drier,
evacuate & charge
system. *
Air conditioning cools
intermittently. Compressor clutch
slipping. Slippage over a pro-
longed period will re-
quire removing clutch
for service. May require
adjustment for proper
spacing. *
Unit icing up due to:
· thermostat adjusted
too low.
· excessive moisture in
system.
· incorrect super-heat
adjustment in expansion
valve.
· Adjust thermostat.
· Replace receiver-drier.
· Replace expansion
valve. *
Thermostat defective. Replace thermostat. *
Defective blower switch
or blower motor. Remove defective part
for service or replace. *
Partially open, improper
ground, or loose
connection in
compressor clutch coil. Check connections or
remove clutch coil for
service or replacement. *
Windows fog up. High humidity. Run A/C to dehumidify
air and heater to control
temperature. 21
Engine
Engine hard to start or
will not start.
Controls not in neutral.
•
Move variable speed
lever to neutral.
•
Move steering wheel to
locked position.
•
Disengage header
clutch.
32
Header drive idler not
pivoted against stop to
close neutral switch. Remove key from
ignition. From under
tractor, push up on idler
to complete pivot travel,
closing neutral switch. 98
Neutral lock
misadjusted. Check neutral lock. 98
No fuel to engine. Fill empty fuel tank,
replace clogged filters. 71
Old fuel in tank. Drain tank, refill with
fresh fuel.
71
* See your Windrower dealer.