Cooling System Maintenance; Cleaning The Engine Screen And The Engine-Oil Cooler; Cleaning The Engine Cooling Fins And Shrouds; Checking And Cleaning The Hydraulic-Unit Shrouds - Toro 74942TE Operator's Manual

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.
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 65).
Remove any buildup of grass, dirt, or other debris from the
oil cooler; refer to Figure 64.
Figure 64
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 65).
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 65).
1. Engine guard
2. Engine air intake screen
3. Bolt
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Checking and Cleaning 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 and the hydraulic system to cool.
5. Clean the debris and grass from the hydraulic-unit
shrouds (Figure 66).
47
Figure 65
4. Fan housing
5. Screw