Service Manual

Topdresser 1800 & 2500Page 5 – 10Chassis

NOTE: The rear roller has a textured surface and has

a key slot for the drive sprocket.

2. Position roller to frame. Secure bearings to frame

with four (4) screws and lock washers.

3. Center roller between bearings. Also, make sure that

pulley groove in roller aligns with slot in slider bed.

NOTE: Normal roller rotation is clockwise as viewed

from left side of machine (Fig. 9).

4. Using a punch and hammer, rotate bearing locking

collars in the direction of normal roller rotation to tighten

collars.

5. Apply Loctite #242 (or equivalent) to threads of lock-

ing collar set screws (item 22). Install and tighten set

screws to secure locking collars to roller shaft.

6. Check that roller is free to rotate and no binding ex-

ists.

7. If rear roller was removed, install sprocket spacer,

square key and then sprocket to roller shaft. Make sure

that hub side of sprocket is outward (away from frame)

and that sprocket is tight against spacer and roller. Apply

Loctite #242 (or equivalent) to threads of set screws

(item 3). Install set screws to secure sprocket to roller

shaft.

8. Install conveyor belt to machine (see Operator’s

Manual):

A. Install conveyor belt to machine. Make sure that

the guide on the underside of the belt is positioned in

both roller grooves and also is routed in the slider bed

frame cut–out.

B. Tighten fasteners that secure slider bed to frame.

C. Pivot hopper down to slider bed and secure with

removed fasteners.

D. Connect conveyor drive chain to sprockets.

Check that conveyor drive chain has 0.125” (3.2 mm)

deflection at mid–span between sprockets. If neces-

sary, reposition conveyor motor to allow correct

chain deflection.

E. Install chain guard (Figs. 6 and 7).

F. Adjust tension on conveyor belt.

9. Lubricate grease fittings on roller bearings.

1. Brush 2. Rear conveyor roller

Figure 9

FRONT

NORMAL ROTATION DIRECTION