Cooling System Maintenance; Cleaning The Engine Screen And Engine Oil Cooler; Cleaning The Engine Cooling Fins And Shrouds - Toro 74902TE Operator's Manual

Figure 70
1. Feeler gauge
Figure 71
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:
i. Sit on the seat and start the engine.
ii. 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.
iii. 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.
Cooling System
Maintenance
Cleaning the Engine Screen
and Engine Oil Cooler
Service Interval: Before each use or daily
Remove any build-up of grass, dirt or other debris from the
oil cooler (Figure 72).
Before each use remove any build-up of grass, dirt or
other debris from the engine screen. This will help insure
adequate cooling and correct engine speed and will reduce
the possibility of overheating and mechanical damage to the
engine (Figure 73).
Cleaning the Engine Cooling
Fins and Shrouds
Service Interval: Every 100 hours/Yearly (whichever comes
first)
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Remove the air intake screen, recoil starter and fan
housing (Figure 73).
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 73).
47
Figure 72