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MAINTENANCE
8.
Operate the work equipment control levers, and extend the
boom cylinder, bucket cylinder, and arm cylinder to their
stroke end.
Set the work equipment in the posture shown in the figure.
9.
Set the lock lever securely to LOCK position (L).
10. Stop the engine.
11. Tighten the cap of oil filler port (F) on the hydraulic tank se-
curely.
By doing so, the hydraulic tank is pressurized.
NOTICE
If the hydraulic tank is not pressurized, air is sucked in
the pump and it affects the components badly.
12. Remove cover support lever (2) and fix it to the lever lock
securely.
13. Close dirt cover (1).
METHOD FOR CHECKING FAN BELT TENSION AND REPLACING FAN BELT
•
Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury.
Wait for the temperature to go down, and then start the work.
1.
Open engine hood (1).
2.
Lock securely with hood support lever (2).
3.
Check the fan belt tension.
Press the belt with a finger at a point midway between the
crank pulley and fan pulley. (approximately 98 N {approxi-
mately 10 kg} )
If deflection is in the standard range (9 to 13 mm), the fan
belt tension is correct.
If the deflection is out of the standard range, adjust it into
the standard range according to the following procedure.
k
k
WARNING
WENAM00241
MAINTENANCE PROCEDURE
RKA68180
RKA68990
4-59
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