Pre-Maintenance
Procedures
Pre-Maintenance Safety
•
Before adjusting, cleaning, repairing, or leaving
the machine, do the following:
– Park the machine on a level surface.
– Move the throttle switch to the low-idle position.
– Disengage the cutting units.
– Lower the cutting units.
– Ensure that the traction is in neutral.
– Engage the parking brake.
– Shut off the engine and remove the key.
– Wait for all moving parts to stop.
– Allow machine components to cool before
performing maintenance.
•
If the cutting units are in the transport position, use
the positive mechanical lock (if available) before
you leave the machine unattended.
•
If possible, do not perform maintenance while the
engine is running. Keep away from moving parts.
•
Use jack stands to support the machine or
components when required.
•
Carefully release pressure from components with
stored energy.
Engine Maintenance
Engine Safety
•
Shut off the engine before checking the oil or
adding oil to the crankcase.
•
Do not change the governor speed or overspeed
the engine.
Servicing the Air Cleaner
Service Interval:
Every 50 hours—Service
the air-cleaner foam element
(more frequently when operating
conditions are dusty or dirty).
Every 100 hours—Service the air-cleaner
paper element (more frequently when operating
conditions are dusty or dirty).
1.
Clean the air-cleaner cover (
).
g005125
Figure 26
1.
Air-cleaner cover
2.
Release the locking clips and remove the
air-cleaner cover.
3.
Remove the wing nut securing the elements to
the air-cleaner body (
4.
If the foam element is dirty, remove it from the
paper element (
). Clean it thoroughly,
as follows:
A.
Wash the foam element in a solution of
liquid soap and warm water. Squeeze it to
remove dirt.
B.
Dry it by wrapping it in a clean rag. Squeeze
the rag and foam element dry.
Important:
When drying the foam
element, do not twist it; the foam may
tear.
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