Air Conditioning Evaporator; Removing Air Conditioning Cover - MacDon M2170 Operator's Manual

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6. If any bolts are loose:

Back off jam nut (A).

b. Tighten inside nut (B) to 65–72 Nm (48–53 lbf·ft).

Hold inside nut (B) and tighten jam nut (A) to

65–72 Nm (48–53 lbf·ft).

7. See your MacDon Dealer to replace any loose steering link

ball joints or steering rod ball joints.

8. After replacing parts or making adjustments, perform

checks for the neutral interlock and the steering lock. For

instructions, refer to

5.11.2 Safety Systems, page

5.14.3 Air Conditioning Evaporator

Check the air conditioning evaporator for cleanliness every year. If the air conditioning system produces insufficient cooling,

the evaporator fins may be clogged. Fins will clog up from the side opposite the blowers. The evaporator is located inside

the heating air conditioning unit under the cab. To access the evaporator, remove the cover from the air conditioning unit.

The air conditioning cover may need to be removed for service, storage, or replacement.

To prevent bodily injury or death from the unexpected startup of the machine, always stop the engine and remove the

key from the ignition before leaving the operator's seat for any reason.

1. Loosen clamps (A) on the two drain hoses and pull the

hoses off the air conditioning (A/C) drain tubes.

MAINTENANCE AND SERVICING

Figure 5.177: Steering Link

Figure 5.178: A/C Evaporator Box