Changing The Engine Coolant - Toro Workman 07390 Operator's Manual

Changing the Engine
Coolant
Service Interval: Every 1,000 hours/Every 2 years
(whichever comes first)
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 and install the bed safety support
on the extended lift cylinder to secure the bed.
CAUTION
If the engine has been running, the
cooling system pressurizes 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
Figure 70
1. Radiator cap
4. Remove the reserve-tank cap
(Figure 70).
g010331
(Figure 70).
1. Reserve tank-cap
2. Reserve tank
5. Disconnect the lower radiator hose and allow
the coolant to flow into a drain pan.
Note:
When the coolant stops flowing, connect
the lower radiator hose.
6. Slowly fill the radiator with a 50/50 mixture of
water and permanent ethylene-glycol antifreeze
7. Top off the radiator and install the cap
70).
8. Slowly fill the coolant-reserve tank until level
reaches the bottom of the filler neck
9. Install the reserve-tank cap
10. Start the engine and operate it until it is warm.
11. Shut off the engine, check the coolant level, and
replenish the coolant, if necessary.
55
Figure 71
(Figure
(Figure
(Figure 71).
g026143
71).