Cooling System Maintenance - Toro Workman 07390 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
Machine (page 42).
2. Check the CV (constant velocity) boots at the
rear axles for damage and leaking lubricant
(Figure 74).
Note:
Replace any damaged or leaking CV
boot before operating the machine.
Figure 74
3. Remove the jack stands and lower the machine
to the ground.
Cooling System
Maintenance
Changing the Engine
Raising the
Coolant
Service Interval: Every 1,000 hours/Every 2 years
Cooling system capacity: 3.7 L (4 US 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.
If the engine has been running, the
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cooling system pressurizes with hot
coolant that can escape and cause burns.
• Do not open the radiator cap when the
• Allow the engine to cool for at least
• Use a rag to open the radiator cap.
3. Remove the radiator cap
1. Radiator cap
4. Remove the cap from the coolant-reserve tank
(Figure
57
(whichever comes first)
CAUTION
engine is running.
15 minutes or until the radiator cap is
cool enough to touch without burning
your hand.
Open the cap slowly to allow the
steam to escape.
(Figure
Figure 75
75).
75).
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