Cooling System Maintenance; Removing Debris From The Cooling System; Changing The Engine Coolant - Toro 07385 Workman HDX-D Operator's Manual

Cooling System
Maintenance
Removing Debris from the
Cooling System
Service Interval: Before each use or daily (clean more
frequently in dirty conditions).
1. Turn the engine off and clean the engine area
thoroughly of all debris.
2. Unlatch and remove the radiator screen from the front
of the radiator (Figure
Figure 58
1. Radiator screen
2. Latch
3. If so equipped, rotate the latches and pivot the oil
cooler away from the radiator
Figure 59
1. Radiator housing
2. Oil cooler
4. Clean the radiator, oil cooler, and screen thoroughly
with compressed air.
Note: Blow debris away from the radiator. Do not use
water to clean external surfaces of the radiator.
58).
(Figure 59).
3. Latches
5. Install the cooler and screen to the radiator.

Changing the Engine Coolant

Service Interval: Every 1,000 hours/Every 2 years
(whichever comes first)
Coolant type: 50/50 mixture of water and permanent
ethylene-glycol antifreeze
Note: Multiple cycles of the following procedure may be
required to properly flush and change the engine coolant.
1. Park the machine on a level surface.
2. Raise the bed (if so equipped) and place the safety
support on the extended-lift cylinder to hold up the
bed.
CAUTION
If the engine has been running, the
pressurized, hot coolant can escape and cause
burns.
• Do not open the reserve tank cap when the
engine is running.
• Allow engine to cool at least 15 minutes or
until the reserve tank cap is cool enough to
touch without burning your hand.
• Use a rag when opening the reserve tank
cap, and open the cap slowly to allow
steam to escape.
3. Remove the radiator cap.
1. Radiator cap
4. Remove the reserve-tank cap
48
Figure 60
(Figure 61).