Adjusting Rear Wheel Tread-Manual Adjust 2006-3073 mm (79-121 In.) Wheel Spacing (If Equipped)

causym CAUTION: Do not modify machine to achieve a tread setting of less than 2006 mm (79 in.). Machine will be unstable and can tip, causing serious injury or death to you or others.

NOTE: Standard rear wheel tread setting is infinitely adjustable between 2006-3073 mm (79-121 in.). Refer to chart for row spacing-to-tread setting recommendations.

1. Find the specific row spacings of the field in the chart. Read across to the recommended wheel tread.

Row Spacing Wheel Tread
mm (in.) mm (in.)
508 (20) 2006 (79)
559 (22) 2362 (93)
609 (24) 2362 (93)
762 (30) 3073 (121)
914 (36) 2006 (79)
965 (38) 2006 (79)
965 (38) (Skip Row) 2718 (107)
1016 (40) 2006 (79)
1067 (42) 2006 (79)
1219 (48) 2362 (93)
1524 (60) 3073 (121)
1626 (64) (Skip Row) 2718 (107)

 

AG,OUO1011,281 -19-27APR99-1/6

2. Loosen lift arm crossbrace hardware (A).


A-Crossbrace Hardware

N42191NA

AG,OUO1011,281 -19-27APR99-2/6

3. Using wrench N203235 (provided), loosen cap screws (B) with jam nuts (A) so frame rides on rollers (C).

causym CAUTION: Machine is heavy. Be sure to use a jack or hoist which is large enough to do the job safely.

4. Raise one rear wheel off the ground, using a suitable rolling floor jack or hoist.


A-Jam Nuts
B-Cap Screws
C-Rollers

N42190QN

AG,OUO1011,281 -19-27APR99-3/6

5. Slide tapered end of tread adjustment wrench (A) through reinforced holes (B) in step and drop axle. Pry drop axle out to contact tie bolts.


A-Wrench
B-Holes

N44233

AG,OUO1011,281 -19-27APR99-4/6

6. Tighten cap screws (B) to specification to lift frame from rollers (C). Tighten jam nuts (A).

Specification

Cap Screws -Torque 339 N·m (250 lb-ft)


A-Jam Nuts
B-Cap Screws
C-Rollers

N42190QN

AG,OUO1011,281 -19-27APR99-5/6

7. Tighten lift arm crossbrace hardware (A).

8. Lower wheel to the ground.

9. Repeat entire procedure on opposite side.

10. Tighten tie bolts to specification.

Specification

Tie Bolts -Torque 274 N·m (200 lb-ft)


A-Crossbrace Hardware

N42191NA

AG,OUO1011,281 -19-27APR99-6/6