If there is any problem, the related parts must be replaced. Ask your Komatsu distributor for replacement.
METHOD FOR REPLACING RADIATOR CAP
k
k
WARNING
Immediately after the engine is stopped, the coolant is still hot and the pressure is accumulated in the
radiator. You may get burn injury if you remove the cap to perform draining in this state. Always wait for
the temperature to go down, and turn the cap slowly to release the pressure.
1.
Place the machine on a level ground, then stop the engine.
2.
Remove the cover (1).
3.
Check that the coolant temperature is low enough to touch
the radiator cap surface by bare hand, turn the radiator
cap (2) slowly until it hits the stopper, and release the pres-
sure.
4.
While pushing the radiator cap (2), turn it until it hits the
stopper, then remove it.
5.
Replace the radiator cap (2) with the new one, and tighten
it.
6.
Install the cover (1).
MAINTENANCE PROCEDURE
MAINTENANCE
4-78
Содержание PC1250-11
Страница 2: ......
Страница 11: ...Do not repeatedly handle and lift loads FOREWORD VIBRATION LEVELS 1 9...
Страница 24: ......
Страница 66: ......
Страница 67: ...OPERATION Please read and make sure that you understand the SAFETY section before reading this section 3 1...
Страница 73: ...REMARK The above figure does not show all of the caution lamp symbols OPERATION GENERAL VIEW 3 7...
Страница 317: ...MAINTENANCE Please read and make sure that you understand the SAFETY section before reading this section 4 1...
Страница 377: ...Boom d Left side e Right side f Head side g Foot side MAINTENANCE MAINTENANCE PROCEDURE 4 61...
Страница 378: ...Arm h Left side i Right side MAINTENANCE PROCEDURE MAINTENANCE 4 62...
Страница 400: ......
Страница 401: ...SPECIFICATIONS 5 1...
Страница 406: ......
Страница 435: ...REPLACEMENT PARTS 7 1...
Страница 444: ......
Страница 452: ...PC1250 11 PC1250SP 11 HYDRAULIC EXCAVATOR Form No EENAM03651 2018 KOMATSU All Rights Reserved Printed in Belgium 06 2018...