MacDon M155, Operator'S Manual

Page: 383 / 510

MAINTENANCE AND SERVICING
Tensioning Air Conditioner (A/C) Compressor Belt
DANGER
To avoid bodily injury or death from 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.
2. Open the hood, refer to
5.2.1 Opening Hood (Lower
Position), page 306
.
3. Loosen compressor mounting hardware (B).
4. Pry compressor away from engine so that a force of
8–12 lbf (35–55 N) de fl ects the belt (A) 3/16 in. (5 mm)
at mid-span.
5. Tighten compressor mounting hardware (B).
6. Recheck tension and readjust as required.
7. Close the hood, refer to
5.2.2 Closing Hood (Lower
Position), page 307
.
Figure 5.115: A/C Compressor
Replacing Air Conditioner (A/C) Compressor Belt
DANGER
To avoid bodily injury or death from 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.
2. Open the hood. Refer to
5.2.1 Opening Hood (Lower Position), page 306
.
3. Loosen compressor mounting hardware (B) and push
compressor towards engine to release tension.
4. Remove belt (A) from compressor.
5. Install new compressor belt (A).
6. Pry compressor away from engine so that a force of
8–12 lbf (35–55 N) de fl ects the belt (A) 3/16 in. (5 mm)
at mid-span.
7. Tighten compressor mounting hardware (B).
8. Recheck tension and readjust as required.
9. Close the hood, refer to
5.2.2 Closing Hood (Lower
Position), page 307
.
Figure 5.116: A/C Compressor
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Revision A