Land Pride PD15 Operator's Manual page 33

Section 4: Options and Accessories
Cylinder Plate Installation
Figure 4-11
Refer to Refer to Figure 4-11:
5. Install cylinder mounting plates (#1 & #2) with
bushing tubes at the top pointing towards each other,
and with flat washers (#6), and cotter pins (#7) in the
correct location at the bottom.
6. Install spacer (#3) between cylinder mounting plates
with 1/2"-13 x 5 1/2" GR5 bolt (#4), and locknut (#5).
Draw nut up snugly, do not tighten.
26823
Cylinder Installation
Figure 4-12
Refer to Figure 4-12:
7. Attach cylinder (#9) between mounting
plates (#1 & #2) with pin (#8). Insert both cotter
pins (#7) into pin (#8), and bend one or more legs to
prevent pin from falling out.
8. Torque 1/2" x 5 1/2" lg. bolt (#5) to 76 ft. lbs.
9. Attach clamp plates (#3) to digger boom with
1/2"-13 x 2 1/4" GR5 bolts (#4), and lock nuts (#5).
Thread nuts only one or two full turns to allow for
easier attachment of down pressure cylinder (#9). Do
not tighten nuts (#5) until step 6 on page 31.
10. Fully retract hydraulic cylinder (#9), and connect
cylinder to clamp plates with cylinder pin (#11).
Secure pin with hairpin clip (#10).
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Table of Contents
26822
26824
Refer to Figure 4-13:
11. Install hydraulic plumbing using teflon tape to seal
pipe threads. Do not tighten connections until after all
fittings have been installed.
a. Connect plug (#3) to rod end of hydraulic cylinder.
b. Connect straight fitting (#8) to clevis end of
hydraulic cylinder.
c. Connect shuttle tee fitting (#9) to straight fitting.
d. Connect pressure relief valve (#2) to shuttle tee.
e. Connect standard tee fitting (#5) to the bottom end
of pressure relief valve.
f. Connect 90
pressure relief valve.
g. Connect 3/8" x 15 3/4" bypass line (#7) to shuttle
tee (#9) and standard tee (#5).
h. Connect 3/8" x 84 1/2" pressure line (#6) to
90
i. Connect pressure line (#6) to the tractor hydraulic
outlet.
IMPORTANT: Do not connect return line to the
tractor remote outlet. Damage will occur to digger
frame if not properly hooked up to reservoir or sump.
NOTE: Customer to provide return line to sump and
fittings to connect return line to tee fitting (#5) and to
the tractor sump.
j. Connect customer supplied Return line to tee
fitting (#5).
k. Connect customer supplied return line to reservoir
or sump.
12. Skip to "Adjust Down Pressure Kit" on page 31.
PD10, PD15, PD25 & PD35 Post Hole Diggers 317-048M
Shuttle Tee
Nut Placement
Return Line
to Sump
Down Pressure Cylinder Plumbing
Figure 4-13
o
elbow fitting (#4) to remaining port of
o
elbow fitting (#4).
Pressure Line
29