Table of Contents
Advertisement
MAINTENANCE
13. Turn the fuel control dial to a position midway between
Low idle (MIN) and High idle (MAX).
NOTICE
When the work equipment is operated, take care that it does not interfere with the machine or ground.
14. Operate the work equipment control levers according to
the following procedure.
1)
Move the R.H. work equipment control lever slowly in
the direction to the bucket CURL side (D). Operate the
lever to the end of its travel and hold it in position for
30 seconds.
2)
Move the R.H. work equipment control lever slowly in
the direction to the bucket DUMP side (C). Operate
the lever to the end of its travel and hold it in position
for 30 seconds.
3)
Move the L.H. work equipment control lever slowly in
the direction to the arm IN side (B). Operate the lever to the end of its travel and hold it in position for
30 seconds.
4)
Move the L.H. work equipment control lever slowly in the direction to the arm OUT side (A). Operate
the lever to the end of its travel and hold it in position for 30 seconds.
When the operations of steps 1) to 4) are repeated, the
pointer of the engine coolant temperature gauge rises. The
pointer of the engine coolant temperature gauge moves
down temporarily around the center of scale (E). Then,
continue the operation for approximately 10 minutes.
15. Stop the engine and open drain valve (4) to drain the cool-
ant.
MAINTENANCE PROCEDURE
4-23
Advertisement
Table of Contents
