Mounting Cutting Unit to Traction Unit
1. With cutting unit on a level surface, move traction unit
into position, aligning drive shaft yoke with gear box
input shaft and lift arm ball joints with mounting holes in
castor arms. Shut engine off.
2. Secure ball joint mounts to castor arms with cap-
scr
ews, flat washers and flange nuts. Flat washers to
be positioned to outside of castor arm. Tighten cap-
screws and flange nuts to a torque of 80 - 90 ft-lb.
3. Line up holes in yoke and input shaft of gear box.
Slide
yoke onto shaft and secure together with socket
head screws. Torque screws to 20 - 25 ft-lb.
4. Start engine, raise center cutting unit slightly, so rear
de
ck straps can be mounted on lift arm brackets. Stop
engine after cutting unit is raised.
5. Secure rear deck straps to H.O.C. brackets on deck
wi
th hair pin cotters and H.O.C. pins. Start the engine
and lower center cutting unit completely to floor. Make
sure all lift levers are in the float position, then stop the
engine.
6. Connect wire harness and (3) hydraulic lines couplers
a
t rear of deck.
2
4
1
Figure 15
1. Push arm 3. Ball joint mount
2. Castor arm 4. Capscrews & washers
1
4
1
2
3
Figure 16
1. Hydraulic lines (quick couplers)
2. Wire harness connector
3. Cutting unit carrier frame
4. Traction unit lift arm
Repairs Page 8 - 10
Rev. A
Groundsmaster
®
455-D
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