13. Turn the fuel control dial to a point 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 centre of scale (E). Then,
continue the operation for approximately 10 minutes.
MAINTENANCE
MAINTENANCE PROCEDURE
4-23
Содержание PC490-11
Страница 2: ......
Страница 25: ...LOCATION OF SAFETY LABELS a b c d e f g h KS000848 T T SAFETY SAFETY LABELS 2 5...
Страница 48: ...Map with mirror and rear view camera visibility aids fitted PRECAUTIONS FOR OPERATION SAFETY 2 28...
Страница 72: ......
Страница 73: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...
Страница 340: ......
Страница 341: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...
Страница 421: ...SPECIFICATIONS 5 1...
Страница 425: ...6 7m Boom PC490 11 SPECIFICATIONS SPECIFICATIONS 5 5...
Страница 426: ...6 7m Boom PC490LC 11 SPECIFICATIONS SPECIFICATIONS 5 6...
Страница 428: ...7 1m Boom PC490 11 SPECIFICATIONS SPECIFICATIONS 5 8...
Страница 429: ...7 1m Boom PC490LC 11 SPECIFICATIONS SPECIFICATIONS 5 9...
Страница 430: ......
Страница 474: ......
Страница 475: ...REPLACEMENT PARTS 7 1...
Страница 491: ......
Страница 492: ...PC490 11 PC490LC 11 HYDRAULIC EXCAVATOR Form No UENAM01105 2016 KOMATSU All Rights Reserved Printed in Belgium 11 2016...