Service Manual

Topdresser 1800 & 2500 Page 5 – 17 Chassis
Removal (Fig. 13)
1. Position Topdresser on a level surface with hopper
empty. Have Topdresser attached to towing vehicle, en-
gage vehicle parking brake, stop engine and remove
key from the ignition switch. Chock Topdresser wheels
to prevent machine from moving.
2. Jack or hoist sweeper from ground and support ma-
chine with blocking or jack stands (see Operator’s
Manual and Jacking Instructions in Chapter 1 – Safety).
3. Remove both wheels from cradle assembly to be re-
moved (see Wheel Removal in this section).
4. Remove wheel motor from cradle assembly (see
Wheel Motor Removal in the Service and Repairs sec-
tion of Chapter 3 – Hydraulic System).
5. Remove both skid plates from the frame.
6. Loosen and remove set screw from locking collar of
both flange bearings.
7. Support cradle assembly to keep it from shifting.
8. Remove four (4) lock nuts and flat washers that se-
cure both flange bearings to frame.
9. Slide both flange bearings from cradle assembly piv-
ot and studs on frame.
10.Lower cradle assembly from frame and remove from
machine.
11. Remove components from cradle assembly as nec-
essary (see Cradle Axle Removal in this section).
Installation (Fig. 13)
1. Install all removed components to cradle assembly
(see Cradle Axle Installation in this section).
2. Position cradle assembly under frame. Raise cradle
to frame and place both flange bearings to cradle as-
sembly pivot and studs on frame.
3. Secure flange bearings to frame with four (4) lock
nuts and flat washers.
4. Center cradle assembly in frame between bearings.
Tighten bearing collar set screws to secure cradle as-
sembly in frame.
5. Install wheel motor to cradle assembly (see Wheel
Motor Installation in the Service and Repairs section of
Chapter 3 – Hydraulic System). After wheel motor instal-
lation, make sure that drive chain is properly tensioned.
6. Secure both skid plates to the frame.
7. Install wheel assemblies (see Wheel Installation in
this section).
8. Carefully lower machine to ground.
9. Lubricate grease fittings on flange bearings.
Chassis