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OPERATION
1)
Turn the fuel control dial (4) to High idle (MAX) posi-
tion.
2)
Repeat the work equipment operation in step 6 for 3 to
5 minutes.
•
Display (A): when temperature is correct: Caution
lamp background (C) is blue.
•
Display (B): when temperature is low: Caution
lamp background (C) is white.
3)
Check that the hydraulic oil temperature caution lamp
displays the correct temperature.
If it is not displaying the correct temperature, repeat
the step 2) until the hydraulic oil temperature caution
lamp (7) displays the correct temperature.
13. Before starting the work, check that the fuel control dial (4)
is at a position midway between Low idle (MIN) and High
idle (MAX).
If it is not at the midway position, set it to the midway posi-
tion and run the engine at a mid-range speed before oper-
ating.
14. Repeat the following operation slowly 3 to 5 times before
starting actual work.
Circulate the warm hydraulic oil through all control circuits.
•
Boom operation: RAISE (E) ←→ LOWER (F)
•
Arm operation: IN (B) ←→ OUT (A)
•
Bucket operation: CURL (D)←→ DUMP (C)
•
Swing operation: LEFT (G) ←→ RIGHT (H)
MACHINE OPERATIONS AND CONTROLS
3-165
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