Cooling System Maintenance; Cleaning The Engine Screen And Engine Oil Cooler; Cleaning The Engine Cooling Fins And Shrouds; Check And Clean The Hydraulic Unit Shrouds - Toro Z Master 74925TE Operator's Manual

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 67).
Figure 67
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 68).
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 68).
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 68).
1. Engine guard
2. Engine air intake screen
3. Bolt
Check and Clean the Hydraulic
Unit Shrouds
Service Interval: Before each use or daily
Important: The fasteners on the covers of this
machine are designed to remain on the cover after
removal. Loosen all of the fasteners on each cover a
few turns so that the cover is loose but still attached,
then go back and loosen them until the cover
comes free. This will prevent you from accidentally
stripping the bolts free of the retainers.
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. Move the seat all the way forward.
4. Allow the engine to and hydraulic system to cool.
5. Clean the debris and grass from the hydraulic unit
shrouds (Figure 69).
48
Figure 68
4. Fan housing
5. Screw