Cooling System Maintenance; Changing The Engine Coolant - Toro 07390 Workman HDX-Auto Operator's Manual

Checking the Constant Velocity Boots
Service Interval: Every 100 hours
1. Jack up the back end of the machine and support it
with jack stands; refer to
2. Check the CV (constant velocity) boots at the rear axles
for damage and leaking lubricant
Note: Replace any damaged or leaking CV boot
before operating the machine.
Figure 76
3. Remove the jack stands and lower the machine to the
ground.
Jacking the Machine (page
(Figure 76).
Cooling System
Maintenance
37).

Changing the Engine Coolant

Service Interval: Every 1,000 hours/Every 2 years
Cooling system capacity: 3.7 L (4 qt)
Coolant type: a 50/50 solution of water and permanent
ethylene glycol antifreeze
1. Park the machine on a level surface.
2. Raise the bed (if so equipped) and install the bed safety
support on the extended lift cylinder to hold up the
bed; refer to
Using the Bed Safety Support (page
CAUTION
If the engine has been running, the cooling
system will pressurize with hot coolant that
can escape and cause burns.
• Do not open the radiator cap when the
engine is running.
• Allow the engine to cool for at least 15
minutes or until the radiator cap is cool
enough to touch without burning your
hand.
• Use a rag to open the radiator cap. Open
the cap slowly to allow the steam to escape.
3. Remove the radiator cap
1. Radiator cap
4. Remove the cap from the coolant reserve tank
77).
51
(whichever comes first)
Raising the Cargo Box (page 19)
36).
(Figure 77).
Figure 77
and
(Figure