MAINTENANCE AN D SERVICING
Figure 5.56: HVAC System
A - Expans
ion Valve
B - Low Pressure Switch C - Electrical Connector D - Capillary Tube
E - Thermostat
F - Evaporator Core G - A/C Relays
H - Blower Motor
I - Blower Fans
J - High Pressure Switch
K - Receiver Dryer
L - Heater Valve (Not Shown)
Servici
ng the Air Conditioning Compressor
Refer to Replacing Air Conditioner A/C Compressor Belt, page 257 for belt replacement procedure.
See your MacDon Dealer for all other servicing procedures.
5.7.7 E ngine
CAUTION
• NEVER operate engine in a closed building. Proper ventilation is required to avoid exhaust gas hazards.
• Keep the engine clean. Straw and chaff on a hot engine are a fire hazard.
• NEVER use gasoline, naphtha, or any other volatile material for cleaning purposes. These materials are
toxic and /or flammable.
General Engine Inspection
Engine inspection should be performed by your M acDon Dealer.
Refer to your engine manual for further information. (Owner ’s Manual QSB 4.5 and Q SB 6.7 Engine Cummins
#4021531 are supplied with your machine).
169890 225 Revision A
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