Operator's Manual

21
Mounting the Cutting Unit to
the Traction Unit
1. Position the machine on a level surface and shut the
engine off.
2. Move the cutting unit into position in front of the
traction unit.
3. Slide the male PTO shaft into the female PTO shaft
(Fig. 26).
4. Move the lift lever to the Float position. Push a lift arm
down until the holes in the lift arm line up with the
holes in the castor arm bracket and the height of cut rod
can be inserted into the lift arm pads (Fig. 27).
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2
3
4
5
67
10
11
9
8
Figure 27
1. Lift arm
2. Castor arm bracket
3. Height of cut rod
4. Lift arm pads
5. Thrust washers
6. Clevis pin
7. Hair pin cotter
8. Height of cut collar
9. Clevis pin
10. Hair pin cotter
11. Capscrew
5. Secure the lift arm to the castor arm with (2) thrust
washers, a clevis pin and a hair pin cotter. Position the
thrust washers between the lift arm and the castor arm
bracket (Fig. 27). Insert end of cotter pin into the slot in
the castor arm tab to retain cotter pin.
6. Repeat the procedure on the opposite lift arm.
7. Start the traction unit and raise the cutting unit.
8. Push down on the rear of the cutting unit and insert the
height of cut rods through the lift arm pads.
9. Install the height of cut collars onto the height of cut
rods and secure with the clevis pins and hair pin cotters
(Fig. 27). Head of clevis pin to be positioned toward the
front of the deck.
10. Install a 1/2 x 3/4” capscrew and a washer to top of
each height of cut rod (Fig. 27).
Servicing the Castor Arm
Bushings
The castor arms have bushings pressed into the top and
bottom of the tube and after many hours of operation, the
bushings will wear. To check the bushings, move the castor
fork back and forth and from side to side. If the castor
spindle is loose inside the bushings, the bushings are worn
and must be replaced.
1. Raise the cutting unit so that the wheels are off of the
floor. Block the cutting unit so that it cannot
accidentally fall.
2. Remove the tensioning cap, spacer(s), and thrust washer
from the top of the castor spindle.
3. Pull the castor spindle out of the mounting tube. Allow
the thrust washer and spacer(s) to remain on the bottom
of the spindle.
4. Insert a pin punch into the top or bottom of the
mounting tube and drive the bushing out of the tube
(Fig. 28). Also drive the other bushing out of the tube.
Clean the inside of the tubes to remove dirt.
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2
Figure 28
1. Castor arm tube 2. Bushings