Mounting Cutting Unit To Traction Unit - Toro Groundsmaster 300 Series Service Manual

Mounting Cutting Unit to Traction Unit (Fig. 14, 15, 16, 17)
1. Position machine on level surface and shut
engine off.
2. Move cutting unit into position in front of traction unit.
WARNING
Since the right hand push arm is spring ­
loaded to about 100 pounds and left hand
push arm is spring-loaded to about 150
pounds, a helper is needed to push the push
arm down. Sudden release of the push arm
could cause injury.
3. Have a helper carefully push down on right hand push
arm until holes in ball joint mount line up with holes in
caster arm.
4. Secure ball joint mount to caster arm with capscrews,
flat washers and flange nuts. Flat washers must be
installed to outside of caster arm.
5. Have a helper carefully push down on left hand push
arm until holes in ball joint mount are in line with holes
in mount bracket on cutting unit. Immediately slide 4 x 4
in. block of wood between top of push arm and under-
side of chassis.
WARNING
Make sure wooden block does not slip out
accidentally.
6. Secure ball joint mount and chain bracket to caster
arm with capscrews, flat washers and flange nuts. Flat
washers must be installed to outside of caster arm.
Chain bracket must be installed using forward set of
holes.
7. Carefully remove wood block holding push arm down.
®
Groundsmaster 300 Series
8. Line up holes in yoke and input shaft of gear box.
Slide yoke onto shaft and secure parts together with roll
pin. Tighten (2) capscrews and locknuts securing yoke
to input shaft.
9. Mount PTO shield over input shaft and onto gear box
mounting plate with two self-tapping screws.
10. Connect lift chains to lift arm and cutting unit chain
brackets with (6) shackles, shackle pins and cotter pins.
To make sure cutting unit lifts properly, secure chains to
the following links when connecting:
Front left – 11th link�
Front right – 8th link�
Rear – 7th link�
11. Check operation to make sure chains lift deck tight
against stops when lift arm is raised.
Page 13 - 13
Figure 17
1. Front left lift chain
2. Front right lift chain
3. Rear lift chain
Repairs