MAINTENANCE AN D SERVICING
11. Open heater shut-off valve.
12. Start engine and turn temperature control knob to
HIGH. Run engine until normal operating temperature
is reached.
13. Stop the engine and drain water out before rust or
sediment settles. Repeat coolant removal procedure.
14. Close drain valves and fill sys tem with a s olution of
clean water and a heavy duty radiator cleaner. Follow
instructions provided with cleaner.
15. After using cleaner solution, again flush sys tem with
clean water. Inspect radiator, hoses, and fi ttings
for leaks
16. Close drain valves and fill system. Refer to Adding
Coolant, page 249.
17. Close the platform. Refe r to 5.5.2 Closing Platform
(Standard Position), page 206.
18. Close the hood. Refer to 5.4.4 Closing Hood (Highest
Position), page 204.
Figure 5.100: Engine Cooling System
Adding Coolant
Check the coolant level in the coolant recovery tank (A) daily, the tank should be at least one-half full. If less,
add coolant.
CAUTION
To avoid personal injury from hot coolant, do NOT turn radiator cap until engine cools.
NOTE:
Do NOT add coolant to radiator except when changing
coolant.
To add coolant to the coolant recovery tank, follow
these steps:
1. Open the hood. Refer to 5.4.3 Opening Hood (Highest
Position), page 203.
2. Open the platform. Refer to 5.5.1 Opening Platform
(Standard Position), page 205.
169890 249 Revision A
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