SERVICE PROCEDURE
MAINTENANCE
4-68
4.
While holding the work equipment at the highest position,
turn the engine starting switch key to OFF position (A).
5.
Turn the engine starting switch key to ON position (B).
6.
Turn the work equipment lock lever to FREE position (F).
7.
Operate the blade control lever fully in the direction to
lower the blade.
REMARK
Check that the area around the machine is safe, then operate
the blade control lever to the LOWER position.
8.
Check that the work equipment goes down to the ground
under its own weight.
9.
This completes the inspection.
NOTICE
If the nitrogen gas charge pressure in the accumulator is low and operations are continued, it will become
impossible to release the remaining pressure inside the hydraulic circuit if a failure occurs on the
machine.
In the following cases, the charge pressure of the accumulator has gone down. Please contact your Komatsu dis-
tributor.
q
Work equipment does not go down
q
Stops while going down
Содержание 69001
Страница 2: ......
Страница 3: ...FOREWORD 11 ...
Страница 24: ...CONTENTS 1 22 ...
Страница 54: ...PRECAUTIONS FOR MACHINE SAFETY 2 30 ...
Страница 177: ...OPERATION TROUBLESHOOTING 3 123 ...
Страница 178: ...TROUBLESHOOTING OPERATION 3 124 ...
Страница 179: ...MAINTENANCE 14 WARNING Please read and make sure that you understand the SAFETY section before reading this section ...
Страница 253: ...SPECIFICATIONS 15 ...
Страница 270: ...EQUIPPING FIRE EXTINGUISHER AND FIRST AID KIT ATTACHMENTS OPTIONS 6 16 ...
Страница 271: ...INDEX 17 ...
Страница 272: ...INDEX 7 2 ...
Страница 275: ...COLOPHON 18 ...