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THREADED ROD ASSEMBLY
1. Slide or thread large spring (1), spring cup
assembly (3), small spring (4), 1-1/8" USS
washer (5) and 1-1/8" hex nuts (6) onto the
threaded rod (1) as shown.
2. Screw the threaded rod (1) into the tube
weldment (7) about 9-1/2". This may be
adjusted after the tongue, frame and pivot
assembly have been assembled. Asm-D-0006
HITCH ASSEMBLY
1. Attach tongue (1) to main frame (2) with three
7/8"-9 x 4" GR 5 capscrews (3) and 7/8" nylock
nut (4). Loosely fasten nuts. DO NOT
TIGHTEN.
2. If included, rotate optional parking jack (5) to
the upright position and retain with pin (6).
Extend jack to support hitch approximately 18"
off the ground.
3. Attach midpoint of pivot weldment (8) to the
mainframe (2) with one 7/8" x 7-1/2" pin (9) and
two 1/4" x 2" cotter pins (10). Bend one or both
legs of cotter pins to prevent them from falling
out.
4. Attach pivot weldment (8) to tongue (1) with on
7/8" x 6" pin (11) and two 1/4" x 2" cotter pins
(10). Bend one or both legs of cotter pin.
5. Attach threaded rod assembly (7) to axle lug
(12) with one 3/4" - 10 x 2-1/2" GR 5 capscrew
(13) and 3/4" nylock (14). Fasten nut. DO NOT
TIGHTEN.
6. Secure the hose spring (15) with one 1/2" - 13 x 1" capscrew (16) and two 1/2" USS washer (17) to the
welded nut on top of tongue frame (1) as shown. Tighten bolt to the correct torque.
7. Mount the five stroke control spacer (18) onto the spring adjuster (19) storage rack.
8. Attach cylinder transport lock (20) to spring adjuster gusset with 1/4" x 2" ire retaining pin (21).
9. Make sure the safety chain (22) is attached to the tongue using the 3/8" x 3" safety chain washer (23), 1" -
8 x 7-1/2" capscrew (24) and 1" nylock (25).
10. Secure the pull hitch assembly (26) to the tongue (1) with a 1" - 8 x 6-1/2" capscrew (27) and one 1" nylock
(28).
11. A 1-1/4" - 7 x 6-1/2" (29) and four 1-1/4" SAE washers (30) are secured to the pull hitch by a 1-1/4" hex nut
(31) and a 1-1/4" hex jam nut (32) for attaching to the drawbar.
DHP8, DHP10, DHP12
© 2021 Alamo Group Inc.
ASSEMBLY
05/21
Assembly Section 3-3
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