Toro Reelmaster 3550-D - Cutting Unit Removal and Installation

Reelmaster 3550--D
DPA Cutting Units
Page 7 -- 14
Cutting Unit Removal and Installation
Cutting Unit Removal
1. Park machine on a clean and level surface, lower
cutting units completely to the ground, stop engine, en-
gage parking brake and remove key from the ignition
switch.
2. Remove hydraulic reel motor from cutting unit that is
to be removed (see Hydraulic Reel Motor in this sec-
tion). Position motor away from cutting unit.
3. For assembly purposes, note location of snapper pin
in lift arm chain (Fig. 14). Remove snapper pin from cut-
ting unit chain bracket and lift arm chain.
4. Move hair pin from rear hole of turf compensator rod
to the hole closest to the rod bracket (Fig. 15). This will
lock the turf compensator spring in position.
5. Remove cutting unit from pivot yoke (Fig. 16):
A. Remove snapper pin and cap that retain cutting
unit carrier frame to pivot yoke in lift arm.
B. Remove carrier frame shaft from pivot yoke on lift
arm.
6. For rear cutting units when the height of cut is above
3/4 inch (1.2 cm) use the following procedure:
A. Remove the lynch pin and washer securing the
lift arm pivot yoke shaft to the rear lift arm (Fig. 18).
B. Slide the pivot yoke shaft out of the lift arm. Make
sure that second thrust washer remains on the pivot
yoke shaft.
C. Remove the pivot yoke from the cutting unit car-
rier frame as described in step 4 above.
7. Move cutting unit away from machine.
Cutting Unit Installation
IMPORTANT: When i nstalling cutting unit to ma-
chine, make sure that turf compensator spring is
mounted on the same side of the cutting unit as the
hydraulic reel drive motor. Also, make sure that cut-
ting unit is installed on machine with motor and
weight properly orientated to machine (Fig. 19).
1. Lower all the lift arms completely. Make sure the
snapper pin and cap are removed from the lift arm pivot
yoke (Fig. 16).
2. Position cutting unit t o machine. Coat the cutting unit
carrier frame shaft with clean grease.
1. Lift arm chain
2. Chain bracket
3. Snapper pin
Figure 14
2
1
3
1. Compensator rod assy
2. Unlocked pin position
3. Locked pin position
4. Rod bracket
Figure 15
2
1
3
4
1. Pivot yoke
2. Cap
3. Snapper pin
Figure 16
2
1
3