Service Manual

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Reelmaster 3100--D

DPA Cutting Units

Page 8 -- 14

Leveling Rear Roller

The precision machined components of the cutting unit

frame keep the rear roller and cutting reel in alignment

(parallel). If the side plates are disassembled or as the

cutting reel wears, a limited amount of side plate adjust-

ment is possible to m ake sure that the cutting unit is

properly aligned.

1. Place the assembled cutting unit on a surface plate.

2. Make sure that bedknife is properly adjusted to cut-

ting reel.

3. Check if the rear roller is level to the cutting reel by

using a 0.005” (0.13 mm) feeler gauge to determine the

clearance between the surface plate and the rear roller

at each end of the roller. As the rear roller is rotated one

full turn, check if the feeler gauge will consistently pass

under the roller at one end but will not pass under the op-

posite end. Check rear roller with the feeler gauge just

inside the machined ends of the roller. A frame adjust-

ment should be made if there is consistently more than

0.005” (0.13 mm) clearance under the roller on one end

but not on the other.

4. Loosen, but do not remove, the three (3) shoulder

bolts that secure the side plate to the frame opposite the

side that is not level (Fig. 18).

5. Adjust the position of the side plate to parallel the

rear roller and cutting reel. Then, tighten the shoulder

bolts to a torque from 27 to 33 ft--lb (37 to 44 N--m).

6. After tightening the side plate, recheck the rear roller.

If necessary, loosen and adjust second side p late.

7. If rear roller is still not level after adjusting both side

plates, check to see if cutting reel is tapered (see Pre-

paring Reel for Grinding in the Service and Repairs sec-

tion of this chapter). If cutting reel is not tapered and rear

roller is not level, a 0.010” shim (part number 107--4001)

is available to allow additional rear roller adjustment.

The shim would be used on one side of the rear roller

and should be installed between the rear roller bracket

and roller shim (Fig. 19).

8. After leveling rear roller, complete cutting unit set--up

and adjustment sequence.

1. Bedbar

2. Bedbar adjuster screw

3. Spring tension lock nut

4. Shoulder bolt

Figure 18

1. Rear roller assembly

2. Rear roller bracket

3. Carriage screw

4. Flange nut

5. Roller shim

6. 0.010” shim (if needed)

Figure 19