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11
Section 1: Assembly & Set-up
7/31/17
HD25 and HD35 Hydraulic Post Hole Diggers 317-076M
Skid/Loader Mount Assembly
Refer to Figure 1-3:
Determine which mount will be used with the skid/loader
hitch mount (Center Mount “A” or Offset Mount “B”).
Follow instructions below based on type of mount to be
used.
Center Mount & Offset Mount
Refer to Figure 1-3:
1.
Attach gearbox rest (#4) to lower center mount
bracket “A” or to lower offset mount bracket “B” with
3/8"-16 x 1 1/4" GR5 carriage bolts (#5) and flange
lock nuts (#6). Tighten lock nuts to the correct torque.
2.
Attach clevis (#2) to upper center mount bracket “A” or
to upper offset mount bracket “B” with clevis
pin (#8) and cotter pin (#7). Bend one or more legs of
cotter pin to keep it from falling out.
3.
Remove one cotter pin (#7) and hanger pin (#9) from
gearbox (#10).
4.
Attach gearbox & motor assembly (#10) to clevis (#2)
with pin (#9) and cotter pin (#7). Bend one or more
legs of cotter pin to keep pin from falling out.
5.
Attach spring (#3) to tab (#1) and clevis (#2).
6.
Fill gearbox with gear lube. Refer to
on page 33 for detailed instructions.
7.
IMPORTANT:
Make sure gearbox is mounted with
hydraulic motor on the left-hand side and motor
ports facing the skid/loader mounting plate.
IMPORTANT:
The gearbox is shipped without gear
lube and must be filled before operating the digger.
Center Mount & Offset Mount (Center Mount Shown)
Figure 1-3
OFFSET MOUNT
CENTER MOUNT
Make sure gearbox is
mounted as shown with
hydraulic motor on this
side and motor ports
facing the skid/loader
hitch mount.
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