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MAINTENANCE
3-9 2 YEARS MAINTENANCE AND CHECKS
COOLING SYSTEM COOLANT
* At operating temperature, the engine coolant
is hot and under pressure.
* Steam can cause personal injury
.
* Change the coolant only after the engine has
been stopped and radiator cap is cool enough
to touch with your bare hand.
* Remove the radiator cap slowly to relieve
Pressure.
Change the Coolant
WARNING
2YEARS
Coolant should be d
rained and replaced every 250
service hours or six months. However, when adding
“long-Life-Coolant”, the drain period can be extended to
2 years.
Drain the coolant earlier whenever the coolant is dirty or
foaming is observed.
1. Place the machine on the firm and level ground.
Stop the engine.
2. Loosen the radiator cap (1) slowly to relieve
pressure, and remove the cap.
3. Open the radiator drain cock (2) and allow the
coolant to drain into a container.
4. Remove the water drain plug (3) allow the coolant to
drain into a container. Drain plug is located under
the injection pump on the front side of cylinder body.
NOTE:
Alw
a
ys dispos
e of drai
ned fluids as established by
local regulations.
5. Close the drain co
ck (2), screw the drain plug (3)
back on, slacken off the bleeder screw (5) and fill
the radiator with clean water and detergent.
6. Tighten down the bleeder screw (5) and close the
radiator with its cap (1).
7. Start and operate the engine for 1/2 hour. Stop the
engine and drain the cleaning solution.
8. Flush the system with water, with the engine
stopped, until the draining water becomes clear.
9. Close the drain plug (3) and drain cock (2), slacken
off the bleeder screw (5) and fill the radiator with
clean water. Tighten down the bleeder screw (5)
and close the radiator with its cap (1). Operate the
engine for five minutes. Stop the engine and drain
the water.
10. Repeat step 8 several times, if necessary, until the
drained water becomes clear.
11. Add the coolant solution (See next page).
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