Removal And Installation Of Counterweight - Komatsu WA250-6 Shop Manual

SEN03855-00
Removal and installation of
counterweight
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.
1. Disconnect battery negative (–) terminal (1)
from the right side, and then disconnect battery
terminal (2).
2. Disconnect wiring connectors CN-R23 (3) and
CN-R24 (4).
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3. Disconnect battery terminals (5) and (6) from
the left side.
4. Disconnect wiring connector CN-R22 (7).
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12
50-400

Removal and installation of counterweight

5. Open the engine left side cover and disconnect
wiring connector CN-BR1 (8).
1
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6. Open the grille and sling it temporarily.
7. Disconnect both damper gas cylinders (9).
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8. Remove the 4 mounting bolts and lift off the
grille (10).
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400 Undercarriage and frame
WA250, 250PZ-6