Toro Groundsmaster 328-D, Service Manual

Page: 388 / 402

Separating Cutting Unit From Traction Unit (Fig. 14, 15, 16)
i
i
l
j
arm
j
3. Roll pin
DANGER
1. Position machine on level surface, lower cutting unit
to the shop floor, shut engine off and engage parking
brake.
2. Remove self-tapping screws securing shield to top of
cutting unit and set shield aside.
3. Drive roll pin out of yoke and input shaft of gear box.
Also, loosen cap screws and lock nuts. Slide yoke off
the input shaft. If traction un t will be used without the
cutting unit, drive roll p n out of yoke at PTO pivot shaft
and remove entire universa shaft from traction unit.
Do not start the engine and engage the PTO
lever when PTO shaft is not connected to gear
box on cutting unit. If engine is started and
PTO shaft is allowed to rotate, serious in ury
could result.
4. Disconnect cotter pins and clevis pins securing lift
chains to lift arms.
Since the right hand push arm is spring-
loaded to about 100 pounds and left hand
push
is spring-loaded to about 150
pounds, a helper is needed to release push
arms from cutting unit. Sudden release of the
push arms could cause in ury.
Figure 14
1. Drive shaft yokes
2. Yokes in phase
4. Capscrews
Figure 15
1. R.H. push arm 4. Capscrews and washers
WARNING
2. Caster arm 5. Ball joint
5. Have a helper push down on the right push arm while
3. Ball joint mount 6. Jam nut
you remove the cap screws, flat washers, lock washers
and nuts securing ball joint mount to caster arm on
cutting unit. Now the helper can carefully allow push arm
to move upward, which will gradually release the 100
pounds of spring load.
6. Have a helper push down on the left push arm while
you remove the cap screws, flat washers, lock washers
and nuts securing ball joint mount to mount bracket on
cutting unit. Now the helper can carefully allow push arm
to move upward which will gradually release the 150
pounds of spring load.
7. Roll the cutting unit away from the traction unit.
Figure 16
1. L.H. push arm 5. Capscrews and washers
2. Caster arm 6. Ball joint
3. Ball joint mount 7. Jam nut
4. Chain mount
Repairs Page 13 - 12
Groundsmaster
®
300 Series