METHOD FOR USING BLOCK
k
k
WARNING
Select a firm flat place.
Put strong blocks under the undercarriage to stabilize the machine and be extremely careful when per-
forming the operation.
1.
Raise the machine off the ground by using the boom and arm.
When doing this, operate the levers slowly.
2.
Place block (5) under the raised track and make sure that
the machine is stable.
3.
Operate the boom slowly and lower the machine.
When doing this, check that the machine is always stable.
METHOD FOR CHECKING GAS SPRING
k
k
WARNING
The gas spring is charged with high-pressure nitrogen gas, so improper handling may cause an explo-
sion resulting in serious personal injury or death. When handling, always observe the following.
• Do not disassemble.
• Do not bring open flame close to it or do not dispose of it in fire.
• Do not perform drilling, welding or flame-cutting.
• Do not hit or roll it, or subject it to any impact.
• When disposing of it, the gas must be released. Ask your Komatsu distributor to perform this work.
Gas spring is attached to the battery box cover.
MAINTENANCE PROCEDURE
MAINTENANCE
4-32
Summary of Contents for PC1250-11
Page 2: ......
Page 11: ...Do not repeatedly handle and lift loads FOREWORD VIBRATION LEVELS 1 9...
Page 24: ......
Page 66: ......
Page 377: ...Boom d Left side e Right side f Head side g Foot side MAINTENANCE MAINTENANCE PROCEDURE 4 61...
Page 378: ...Arm h Left side i Right side MAINTENANCE PROCEDURE MAINTENANCE 4 62...
Page 400: ......
Page 401: ...SPECIFICATIONS 5 1...
Page 406: ......
Page 435: ...REPLACEMENT PARTS 7 1...
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