1.
Open the cover on the rear left side of the machine, and
remove the filter case (1).
2.
Remove the strainer, remove any dirt stuck to the strainer,
then wash it in flushing oil.
If the strainer is damaged, replace it with a new one.
3.
Install the strainer, and install the filter case (1).
METHOD FOR REPLACING PILOT FILTER ELEMENT
k
k
WARNING
Immediately after the engine is stopped, its parts and oil are still very hot, and may cause burn injury.
Wait for the temperature to go down, and then start the work.
1.
Open the cover on the rear left side of the machine.
2.
Loosen the drain plug (1) and drain the oil.
Place a container to catch the drained oil under the drain
plug (1).
3.
Loosen the bolt (2) and remove the filter case (3).
4.
Remove the element (4).
5.
Tighten the drain plug (1).
6.
Install the new element, and install the filter case (3).
7.
Tighten the bolt (2).
Tightening torque: 65 to 88 Nm {6.6 to 9.0 kgm}
METHOD FOR REPLACING DRAIN FILTER CARTRIDGE
1.
Turn the filter cartridge (1) counterclockwise by using the
filter wrench, and remove it.
2.
Fill the new filter cartridge with hydraulic oil, apply oil to the
packing surface, then install it.
When installing the cartridge, tighten it until the packing
surface contacts the seal surface of the filter holder, then
tighten it 1/2 to 3/4 of a turn.
EVERY 1000 HOURS MAINTENANCE
Maintenance for every 10, 100, 250 and 500 hours should be performed at the same time.
MAINTENANCE
MAINTENANCE PROCEDURE
4-53
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...