Installing Boom Cylinder Rod - Hitachi ZAXIS 450LC-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 boom cylinder (3) with that of
boom (2) by moving boom cylinder (3) up and down
while extending or retracting cylinder rod (1).
d
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. Slide pin (4) to the right side (the side to which the
cylinder rod has been installed) to allow the left side
boom cylinder rod to be in the position ready for
installation.
5. Install the left-hand boom cylinder rod in the same
procedure used in the steps 2 to 3.
ASSEMBLING
6-11
1
3
4
2
M116-07-033
5
6
M116-07-021
4
M116-07-022