Land Pride Disc Harrows DH3510, Operator'S Manual

Page: 13 / 44

Section 1: Assembly & Set-up
Table of Contents
DH3510 & DH3512 Disc Harrow 322-251M 12/7/18
9
Hitch Assembly
Figure 1-2
Hitch Assembly
Refer to Figure 1-2:
1. Attach tongue (#5) to main frame (#3) with two
1"-8 x 4" GR5 cap screws (#8) & 1" nylock nut (#11).
Draw nuts up snug.
Do not tighten.
2. If included, rotate optional park jack (#22) to the
upright position and retain with pin (#18). Extend jack
to support hitch approximately 18" off the ground.
Refer to
“Park Jack Assembly” on page 20.
3. Attach mid point of pivot bracket (#7) to the main
frame (#3) with one 7/8" x 5 3/8" pin (#19) and two
3/16" x 1 1/2" cotter pins (#17). Bend one or both legs
of cotter pins to prevent them from falling out.
4. Attach pivot bracket (#7) to tongue with lower hitch
pin (#1) and 1/4" x 2" cotter pin (#15). Bend one or
both legs of cotter pin.
5. Attach spring adjuster (#6) to axle lug (#4) with
3/4"-10 x 2 1/2" GR 5 cap screw (#9) and 3/4" top
locknut (#12). Draw nut up snug.
Do not tighten.
6. Insert 1/2"-13 x 1" GR5 hex head cap screw (#10)
through 1/2" spring lock washer (#13), 1/2" flat
washer (#14), spring hose loop (#20), 1/2" flat
washer (#14), and into welded nut on top of hitch
frame as shown. Tighten bolt to the correct torque.
7. Mount the five stroke control spacers (#21) onto the
spring adjuster (#6) storage rack.
8. Attach cylinder transport lock (#2) to spring adjuster
gusset with 1/4" wire retaining pin (#16).
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1" clevis plate
located on top
NOTE: Spring adjuster (#6) and pivot bracket (#7)
are shipped shop assembled together.
Single Wheel Assembly (Left Side Shown)
Figure 1-1
Single Wheel Assembly
Refer to Figure 1-1:
1. Unpack Disc Harrow from shipping crate.
2. Support main frame with a suitable lifting device.
3. Verify fit-up of spindle (#6) to support tube (#2) by
assembling them without anti-seize lubricant.
4. Remove spindle from support tube and apply a thin
coat of anti-seize lubricant on the unpainted spindle
shaft and a thin coat to the inside entrance of the
spindle support tube.
5. Insert spindle (#6) into support tube (#2) and secure
with two 1/2"-13 x 3 1/4" GR5 cap screws (#3) and
1/2" locknuts (#5). Tighten nuts to the correct torque.
6. Mount wheel (#1) to hub with five 1/2"-20 lug
nuts (#4). Tighten lug nuts to the correct torque.
7. Repeat steps 2 to 6 for the opposite side.
8. See “Dual Wheel Assembly” on page 21 for
instructions on installing optional dual wheels.
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Apply anti-seize lubricant to
spindle (#6) and entrance to
support tube (#2).
IMPORTANT: A forklift or adequate lifting devise is
recommended for lifting the main frame when
installing wheels, hitch, and hydraulic cylinder.