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Maintenance Instructions
CLEANING/
CHECKING/SERVICING
3. Reinstall the GHS blower drive belt by reversing
the removal procedure.
Collapse Blower Belt Tightener
to Remove GHS Blower Drive Belt
GHS Exhaust Screen
Refer to Cleaning the GHS Exhaust Screen in Op-
erating Instructions.
Hydrostatic Transmission Cooling Fins
Keeping the cooling fins on the hydrostatic transmis-
sions clean and free of obstruction is essential to
avoid overheating the transmission fluid and short-
ening transmission life. The cooling fins should be
checked every 100 hours; and cleaned if necessary.
To clean the fins, use compressed air and/or a pres-
sure washer. The cooling fins extend all the way
around the housing -- the fins underneath need to be
clean as well as the more visible fins above. Also,
pay close attention to the area under the drive pulley.
IMPORTANT: In case an oil leak develops on the
input shaft, the cooling fan blowing dusty air and oil
on the transmission will quickly pack the cooling
fins with oily dirt. If this condition occurs, replace
the seal immediately to avoid overheating and dam-
aging the transmission. The input shaft assembly
and seal are easily replaced without removing the
transmission from the machine.
An additional procedure in maintaining transmission
cooling is to inspect the cooling fans. Replace the
fan(s) if blades are missing or damaged.
Hydrostatic Transmission Cooling Fins
CHECKING/SERVICING
Engine Cooling System
Coolant Level
GHS Blower
Drive Belt
Blower
Pulley
Blower
Drive Pulley
Belt Tightener
Idler Pulley
DANGER
To prevent accidental starting of the en-
gine when servicing or adjusting the ma-
chine, remove the key from the ignition
switch and disconnect the electric plug on
the fuel shut-off solenoid.
WARNING
NEVER remove the radiator pressure cap
when the engine is hot — hot water could
spray and cause a burn if the cap is taken
off too soon.
Cooling Fins
Cooling Fan