Komatsu PC350LC-8, Operation & Maintenance Manual

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ATTACHMENTS AND OPTIONS
2-PC BOOM
6-35
2-PC BOOM 6
FEATURES OF 2-PIECE BOOM & ARM 6
This sketch shows format of two piece boom machine, including location of grease points (For 1st and 2nd booms
only).
For starting procedure, refer to See "OPERATION"
OPERATION 6
Explanation of Devices
2 piece boom control pedal.
The control pedal to the left of the travel levers controls two functions on a 2-Piece Boom machine:
The pedal controls the operation of the second boom adjust cylinder. Pressing down on the front of the pedal
pushes the second boom away from the cab, pressing down on the rear of the pedal pulls the second boom
towards the cab.
5
4
3
6
2
1
A
B
C
1.
Side of arm.
1 grease point located here for joint D
4. First boom
5. Top of boom foot
5 grease points located here for joints A, B and C
2. Second boom
3. First boom raise cylinder 6 Second boom adjust cylinder