3-6
Chapter 3 OPERATION
Coolant - Refill (Air Cooler)
Note: If the specification of radiator differs from the
contents of this operation manual, follow the
manufacturer's operation manual.
1. Make sure coolant drain cocks are closed securely.
2. Remove the radiator and add a mixture of water
and coolant having the specified concentration.
Note: (a) Determine the quantities of LLC based on the
coolant capacity and the LLC concentration
chart.
For the coolant, refer to "COOLANT" (6-1).
For the coolant capacity, refer to "MAIN
SPECIFICATIONS" (12-1).
(b) For absolute air bleeding, loosen the air vent
plug.
3. Check the radiator and other parts for coolant
leaks. Repair leakage if found.
4. When coolant reaches the full level, close the cool-
ant filler securely.
5. While pulling the manual stop lever, crank the en-
gine for approx 10 seconds using the starter. Stop
the operation for 1 minute, then, repeat the opera-
tion two or three times to bleed the cooling system.
Note: Prepare for the lubricating system and refilling
the coolant to the engine.
6. Check the coolant level in the radiator.
Fig. 3-11 Coolant Drain Cock (Air Cooler)
Fig. 3-12 Coolant Drain Cock
(Air Cooler water pump)
Always use the coolant having the same concentra-
tion.
Coolant drain cock
Air vent plug
Air vent cocks
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