Installing Boom Cylinder Rod - Hitachi Zaxis 850LC-3 Operator's Manual

INSTALLING BOOM CYLINDER ROD

1. Sling right-hand boom cylinder (3) with a crane.
2. Align the rod-pin bore of the boom cylinder (3) with that
of boom (2) by moving the boom cylinder up and down
while extending or retracting cylinder rod (1).
WARNING:
• When aligning the centers of the pin and pin hole,
never put fingers into the pin hole.
• When using a hammer, wear safety equipment
such as safety glasses or a hard hat to protect
against injury from flying pieces of metal.
• When inserting the pin, never enter into the area
under the boom cylinder rod.
3. After driving pin(4) into the pin bore, install pin lock plate
(5) onto the right end (the side to which the cylinder rod
has been installed) of the pin with bolts (6).
Tightening torque: 400 N•m (40 kgf•m, 290 lbf•ft)
4. Install the left-hand boom cylinder rod in the same pro-
cedure used in the steps 2 to 3.
ASSEMBLING
6-10
2
4
5
6
1 3
M162-06-022
M162-06-021
M162-06-033