Cooling System Maintenance; Cleaning The Engine Screen And The Engine-Oil Cooler; Cleaning The Engine Cooling Fins And Shrouds - Toro 74919TE Operator's Manual

4. Tighten the locknut until the spring washers are flat and
then back off a 1/4 turn to properly set the pre-load on
the bearings (Figure
Important: Make sure that the spring washers are
installed correctly as shown in
5. Install the dust cap (Figure
Figure 69
1. Spring washers
2. Locknut
69).
Figure 69.
69).
3. Dust cap
Cooling System
Maintenance
Cleaning the Engine Screen
and the Engine-Oil Cooler
Service Interval: Before each use or daily—Clean the engine
screen.
Before each use or daily—Clean the oil cooler (model
74925TE only).
Before each use remove any buildup of grass, dirt, or
other debris from the engine screen. This will help ensure
adequate cooling and correct engine speed and will reduce
the possibility of overheating and mechanical damage to the
engine (Figure 71).
Remove any buildup of grass, dirt, or other debris from the
oil cooler (model 74925TE only); refer to
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
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 71).
48
Figure
Figure 70
71).
70.