Komatsu PC350LC-8, Operation & Maintenance Manual

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INSTALLATION AND REMOVAL
HIGH REACH DEMOLITION MANUAL
7-36
5. Withdraw the spring pins connecting the Support Braces
(Item 3) of the digging equipment stand to the Left and Right
Support (Items 1 and 2).
6. Withdraw the pins connecting the Support Braces (Item 3) to
Left and Right Support (Item 1 and 2).
7. Withdraw the spring pins from the pins connecting the digging
boom to the Left and Right Support.
8. Withdraw the pins connecting the digging boom to the Left
and Right Support.
REMARK
It may be necessary to adjust the position of the boom raise cylin-
ders to allow easy withdrawal of the pins.
9. Store the components of the work equipment stand in a safe
and clean environment.
10. Raise the boom so that the digging equipment rotates around
the upper pin. Continue lifting the boom until the required
lower bore in the digging boom is aligned with the hydrauli-
cally adjusting pins of the demolition first boom.
WARNING
Make sure that the changeover valve on the demolition first
boom is set to "Pin Retract".
(C - no power to hydraulic pins; D - power to hydraulic pins).
Lift to rotate boom
Rotation
(Step 15) Top
(Step 10, 11) Both sides
of boom
of boom
(Step 12) Both
sides of boom
A
B
C
D
Safety
Plate