Main Carriage Channel Assembly
1
.
Install guide block shims (A3) and guide
blocks (A2) on the pins inside drive ram
I-beam. Make sure the shims are installed
in their original locations.
NOTE
: The square (sharp edges) on guide
blocks must be positioned horizontally to
correctly fit the width of main carriage channel
frame.
(A2) Guide Blocks. (A3) Guide Block Shims.
2
.
Lubricate the guide blocks with clean oil to
reduce friction. Use an overhead lifting
device to lift and support the main carriage
channel (B1). Get assistance to slide the
main carriage channel over the guide
blocks, from the top of drive ram (A1).
(A1) Drive Ram. (B1) Main Carriage Channel.
3
.
Make sure the main carriage channel will
slide back and forth freely, without
contacting or rubbing the drive ram.
4
.
With the drive ram assembly horizontal,
check up and down movement of the main
carriage channel in the drive ram I-beam.
Up and down movement should not be less
than 1/4” or more than 1/2”.
5
.
Install drive cylinder (C1) in drive ram
assembly (A1) from the top (upper end).
NOTE
: Hydraulic drive ram cylinder (C1) must
be installed in main carriage channel (B1)
before springs (C14) are installed. Position the
cylinder laying loose inside the main carriage
channel.
(A1) Drive Ram. (C1) Drive Cylinder.
7
.
If removed, install two rubber bumpers (B3)
on road lock bracket (B2)
(B2) Road Lock Bracket. (B3) Rubber Bumper.
36
Summary of Contents for HD-12-H
Page 44: ...44 Service Parts 44 Driver Assembly ...
Page 46: ...46 Hydraulic Base Plate Assembly ...
Page 55: ...Notes 55 ...