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 78922 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 71).
Figure 71
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 72).
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 72).
4. Clean the debris and grass from the engine parts.
5. Install air intake screen, recoil starter and fan housing
(Figure 72).
G008804
1. Engine guard
2. Engine air intake screen
3. Bolt
Check and Clean the Hydraulic
Unit Shrouds
Service Interval: Before each use or daily
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. Raise the seat.
4. Clean the debris and grass from the hydraulic unit
shrouds (Figure 73).
5. Lower the seat.
48
Figure 72
4. Fan housing
5. Screw