Section 3: Adjustments
RTA2072 & RTR2072 Rotary Tillers 311-328M
9/12/22
22
Drive Chain
Refer to Figure 3-1:
The tension on the drive chain can be easily adjusted by
using the chain tightener stud.
Should excessive backlash occur, unscrew the locknut,
turn the bolt, Figure 3-1, clockwise as indicated by the
arrow, until idler arm is firm against chain, then back the
bolt off counterclockwise 1/4 turn. Re-lock the locknut
while holding the head of the bolt in place. Refer to the
Torque Values Chart
in the “Appendix” section on
Chain Tightener
Figure 3-1
Skid Shoe
Refer to Figure 3-2:
The skid shoes can be raised or lowered for the desired
tilling depth by:
1. Raise tiller off the ground and properly support.
2. Loosen pivot bolt on front of shoe.
3. Remove adjusting bolt on rear of shoe.
4. Adjust skid shoe to desired location.
5. Install adjusting bolt, and tighten both the adjusting
bolt and the pivot bolt.
Skid Shoe Adjustment
Figure 3-2
25590
NOTE:
Tilling depth is the vertical distance from
bottom of skid shoes to bottom of lowest tine. Be
certain both skid shoes are adjusted the same.
20550
Loosen
Rear Deflector & Down Pressure Kit
Refer to Figure 3-3:
The rear deflector can be adjusted closer to the ground to
produce a fine soil texture or can be raised to produce a
coarse soil texture by adjusting the spring rods. Adjust
rear deflector to the desired height and install cotter pins
in one of the top six holes on the spring rods above the
cushion springs.
Rear Deflector
Figure 3-3
Refer to Figure 3-4:
The rear deflector can be secured in the raised position
for replacing spring tines. Remove hairpin cotters (#2)
and raise deflector enough to reinstall hairpin cotters in
7th hole located below the cushion springs.
An optional spring kit, part no. 311-162A, is offered to
allow you to apply down pressure on the rear deflector for
leveling. Adjust locking collars up to compress springs to
desired pressure.
Raised Position
Figure 3-4
20549
NOTE:
Too much pressure will cause premature
wear on the rear deflector.
12003
Section 3:
Adjustments
