MacDon M1240, Operator'S Manual

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MAINTENANCE AND SERVICING
3. Loosen compressor mounting hardware (A).
4. Pry compressor (B) away from engine so that a force
of 45 N (10 lbf) de fl ects the belts (C) 5 mm (3/16 in.) at
mid-span.
NOTE:
The tab (D) on bracket can be used as support
for prying.
5. Tighten compressor mounting hardware (A).
6. Recheck tension and readjust as required.
7. Close the hood. Refer to 5.3.2 Closing Hood, page
245 .
Figure 5.19: Air Conditioning (A/C) Compressor
5.5.6 Changing Engine Gearbox Lubricant
Change engine gearbox lubricant after the fi rst 50 hours, and then at 250 hours as follows:
NOTE:
The engine should be warm when changing the lubricant.
1. Park windrower on a level surface.
2. Stop the engine and remove the key.
3. Place a 4 liters (1 US gallon) drain pan under the gearbox.
4. Remove drain plug (B) and allow lubricant to
completely fi nish draining.
5. Install drain plug (B) and remove check plug (A).
6. Add lubricant until oil level reaches check plug (A).
For lubricant speci fi cations, refer to 5.1.3 Lubricants,
Fluids, and System Capacities, page 236 .
7. Replace check plug (A).
8. Operate the engine at low idle and check for leaks at
the check plug and drain plug.
Figure 5.20: Engine Gearbox
5.5.7 Changing Wheel Drive Lubricant
The wheel drive lubricant should be changed after the fi rst 50 hours and every 1000 hours or annually, whichever
occurs fi rst. Change the lubricant when it is warm.
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.
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Revision A