Removal And Installation Of Work Equipment Assembly - Komatsu WA250-6 Shop Manual

SEN03857-01
Removal and installation of work
equipment assembly
Removal
k
Stop the machine on a level ground and set
the lock bar to the frame to fix the front and
rear frames.
k
Lower the work equipment to the ground,
stop the engine, apply the parking brake,
and put chocks under the tires.
k
Disconnect the cable from the negative (–)
terminal of the battery.
1. Sling the bucket link temporarily and remove
bucket link pin (1).
4
Bucket link: 55 kg
a Secure the bucket link to the bell crank
with chains, etc.
a Check the thickness and quantity of the
shims.
AJF01021
2. Remove bucket hinge mounting pin (2).
k
Never insert your fingers in the pin
holes.
a Check the thickness and quantity of the
shims.
CEW02153
2
50-600

Removal and installation of work equipment assembly

3. Move the machine to the rear and disconnect
the bucket.
1
4. Sling bucket cylinder assembly (3) temporarily
and pull out rod-side pin (4) to disconnect the
cylinder rod and bell crank.
a Install block [1] between the cylinder bot-
tom and frame.
a Check the thickness and quantity of the
shims.
4
[*1]
[*2]
600 Work equipment
Bucket cylinder assembly: 110 kg
AJF01022
AJF01023
WA250, 250PZ-6
[*3]