MacDon M1240 - Page 465

215916 445 Revision A
Replacing Air Conditioner Compressor Belts
DANGER
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. Shut down the engine, and remove the key from the ignition.
2. Open the platform. For instructions, refer to 5.4.1 Opening Platform, page 337.
3. Open the hood. For instructions, refer to 5.3.1 Opening Hood, page 335.
1018847
A
B
C
D
Figure 5.183: Air Conditioning (A/C) Compressor
4. Loosen compressor mounting hardware (A) and rotate
compressor (B) towards the engine to release tension
on belts.
5. Remove belts (C) from compressor (B).
6. Install compressor belts (C).
7. Pry compressor (B) away from the engine so that a force of
45 N (10 lbf) deflects belts (C) 5 mm (3/16 in.) at mid-span.
NOTE:
Tab (D) on bracket can be used as support for prying.
8. Tighten compressor mounting hardware (A).
9. Recheck the tension and readjust as required.
10. Close the hood. For instructions, refer to 5.3.2 Closing
Hood, page 336 .
5.15.5 Engine Speed
The maximum and idle engine speeds are factory set.
Refer to 2.2 Specifications, page 30 for detailed information. If specified speeds cannot be maintained, see your
MacDon Dealer.
IMPORTANT:
To avoid voiding engine warranty, contact Cummins before removing components or starting repairs.
MAINTENANCE AND SERVICING