Maintenance
G011733
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Figure 35
1.Feeler gauge
Figure 36
1.Feeler gauge
•If the gap is less than 0.010 inch, then reinstall the shim and reference the Troubleshooting section.
•If the gap is sufficient, proceed to the safety check in step F.
F.Perform the following safety check:
a.Sit on the seat and start the engine.
b.Make sure the blades Do Not engage with the PTO switch “off ” and the clutch disengaged.
If the clutch does not disengage, reinstall the shim and reference the Troubleshooting section.
c.Engage and disengage the PTO switch ten consecutive times to ensure the clutch is functioning properly. If the clutch does not engage properly, reference the Troubleshooting section.
Cleaning
Clean Engine and Exhaust System Area
Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.)
CAUTION
Excessive debris around engine cooling air intake and exhaust system area can cause engine, exhaust area, and hydraulic system to overheat which can create a fire hazard.
Clean all debris from engine and exhaust system area.
1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.
2.Clean all debris from rotating engine air intake screen, around engine shrouding, and exhaust system area.
3.Wipe up any excessive grease or oil around the engine and exhaust system area.
Remove Engine Shrouds and Clean Cooling Fins
Service Interval: Every 100 hours
1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.
2.Remove cooling shrouds from engine and clean cooling fins. Also clean dust, dirt and oil from external surfaces of engine which can cause inadequate cooling.
3.Make sure cooling shrouds are reinstalled. Operating the engine without cooling shrouds will cause engine damage due to overheating.
Clean Hydro Fan Cooling Fins
Service Interval: Before each use or daily
Removing debris from the hydro fan cooling fins will allow the hydro system to run cooler and improve the life of the hydro system.
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