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Section 3: Adjustments
RTR2570 Rotary Tillers 311-251M
8/30/22
22
Section 3: Adjustments
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 locknut, turn
bolt clockwise as indicated by the arrow, until idler arm is
firm against chain, then back bolt off counterclockwise
1/4 turn. Re-locknut while holding head of bolt in place.
Refer to
“Torque Values Chart”
on page 32.
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. Tighten both adjusting bolt and
pivot bolt.
Skid Shoe Adjustment
Figure 3-2
11081
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.
11136
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 raised to produce a coarse
soil texture. Adjust spring rods (#1) and rear deflector to
the desired height and then reinstall hairpin cotters (#2)
in one of the top six spring rods holes above cushion
springs (#3).
Lowered Position
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
11038
NOTE:
Too much pressure will cause premature
wear on the rear deflector.
12003