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Cooling System
Maintenance
Cleaning the Engine Screen
and the Oil Cooler
Service Interval: Before each use or daily
Remove any buildup of grass, dirt, or other debris from the
oil cooler screen and engine screen
Figure 52
1. Engine screen
2. Oil cooler
Cleaning the Engine
Service Interval: Every 100 hours
Use low pressure compressed air 138 kPa (20 psi) or less to
clean around the carburetor, governor levers, and linkage.
Note: Cleaning the engine allows for the engine to cool
adequately and reduces the possibility of overheating and
mechanical damage.
(Figure
52).
Belt Maintenance
Adjusting the Belts
Service Interval: After the first 8 hours
Every 50 hours
1. Check the belts for cracks, frayed edges, burn marks,
or any other damage.
2. Replace the belts if they are damaged.
3. As required, check the condition and tension of the
belts.
Engine Clutch to Jack-Shaft Belt
1. Remove the belt cover
1. Engine clutch to jack-shaft-belt cover
2. Check the condition of the belt
1. Socket wrench
2. Square hole
3. Idler pulley
41
(Figure
53).
Figure 53
(Figure
54).
Figure 54
4. Extension spring
5. Eye bolt
6. Belt
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