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OPERATION
7.
Operate the work equipment to warm up the hydraulic
components.
NOTICE
When the work equipment is operated, take care that it
does not interfere with the machine or ground.
1)
Move R.H. work equipment control lever (5) slowly in
the direction of bucket CURL position (D). Operate the
lever to the end of its stroke and hold it in the position
for 30 seconds.
2)
Move R.H. work equipment control lever (5) slowly in
the direction bucket DUMP position (C). Operate the lever to the end of its stroke and hold it in the
position for 30 seconds.
3)
Next, move L.H. work equipment control lever (6) slowly in the direction arm IN position (B). Operate
the lever to the end of its stroke and hold it in the position for 30 seconds.
4)
Move L.H. work equipment control lever (6) slowly in the direction arm OUT position (A). Operate the
lever to the end of its stroke and hold it in the position for 30 seconds.
8.
Repeat the operation of step 7 for 5 minutes.
9.
Check that hydraulic oil temperature caution lamp (7) dis-
plays correct temperature.
•
Display (A) when temperature is correct: Caution lamp
background (C) is blue.
•
Display (B) when temperature is low: Caution lamp
background (C) is white.
If hydraulic oil temperature caution lamp (7) displays low
temperature, repeat step 7 until the lamp displays the cor-
rect temperature.
10. Check that engine coolant temperature caution lamp (1)
displays the correct temperature.
•
Display (A) when temperature is correct: Caution lamp
background (C) is blue.
•
Display (B) when temperature is low: Caution lamp
background (C) is white.
If engine coolant temperature caution lamp (1) displays
low temperature, perform warm-up operation until the cor-
rect temperature is displayed.
For detail, see "METHOD FOR ENGINE WARM-UP OP-
ERATION (3-159)".
MACHINE OPERATIONS AND CONTROLS
WENAM00111
3-163
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