Shaver HD-8-S Operator's & Parts Manual page 36

There can be tension remaining on spring.
As the bolt is removed, the spring will quickly
retract (compress) away from upper spring
bracket.
5. Remove the retaining strap (HD-8/HD-10)
and remove the Upper Spring Bracket (HD-
10/HD-12).
6. Remove the Upper Cylinder Rod Self-
Locking Nut ('D' above) and lock washer
from the Drive Cylinder Piston. NOTE: Do
not reuse self-locking nut. Replace with a
new self-locking nut.
7. For HD-8/HD-10 remove the two (2) self-
locking nuts from Driver Cylinder and Lower
Spring Bracket.
8. For HD-12 remove two lower spring bracket
bolts, lock washers, and sleeves.
9. Slide the main carriage channel
downward.
10. Remove the springs from the bottom o f the
Post Driver between the Drive Ram and the
Main Carriage Channel.
11. Remove the Drive Cylinder by sliding it out
the top of the Drive Ram Assembly.
NOTE: If Guide Blocks/Rollers need to be
inspected and/or replaced continue with the
next few steps, otherwise skip to the Seal
and/or Spring replacement instructions.
12. Remove the Road Lock Bracket from the
Main Carriage Channel.
CAUTION: Main Carriage Channel is heavy
(HD-8 is 126 lbs., HD-10 is 139 lbs., & HD-12 is
222 lbs.), so get assistance and/or use an
overhead lifting device to support it during
removal.
13. Remove the Main Carriage Channel by
sliding it out of the top of the Driving Ram.
• Drive Ram I-beam.
• Contact points on Guide
Blocks/Rollers.
• Main Carriage Channel.
• Road Lock Bracket, Rubber Bumpers,
and hardware.
• Springs, and Upper and Lower
Spring Mounting Brackets.
36