Repairs; Separating Cutting Unit From Traction Unit - Toro Groundsmaster 455-D Service Manual

Repairs

Separating Cutting Unit From Traction Unit

1. Lower center and wing cutting units to the ground:
then raise center cutting unit slightly, until rear deck
straps hang freely on lift arm brackets. Stop engine after
cutting unit is raised. Set parking brake.
2. Remove hairpin cotters and H.O.C. pins securing rear
deck straps to H.O.C. brackets on deck. Start engine
and lower center cutting unit completely to floor. Make
sure all lift levers are in float position, then stop the
engine.
3. Disconnect (3) hydraulic lines (quick couplers) and
wire harness at rear of deck.
4. Remove socket head screws securing drive shaft
yoke gear box input shaft. Slide yoke off shaft.
CAUTION
Do not start the engine and engage the PTO
switch when PTO shaft is not connected to
gear box on cutting unit. If engine is started
and PTO shaft is allowed to rotate, serious
injury could result.
5. Remove (4) capscrews, flat washers and flange nuts
securing ball joint mounts to castor arms on cutting unit.
6. Roll the cutting unit away from the traction unit.
Alternate Method
1. Lower center and wing cutting units to the ground, set
parking brake and stop engine.
2. Disconnect (3) hydraulic lines (quick couplers) and
wire harness at rear of deck.
3. Remove socket head screws securing drive shaft
yoke gear box input shaft. Slide yoke off shaft.
4. Remove two (2) capscrews and locknuts securing
cutting unit carrier frames to traction unit lift arms.
5. Slowly back traction unit away from cutting unit.
®
Groundsmaster 455-D
1
1. Push arm
2. Castor arm
1
Page 8 - 9 Rev. A
2
3 4
Figure 13
3. Ball joint mount
4. Capscrews & washers
4
3
2
Figure 14
1. Hydraulic lines (quick couplers)
2. Wire harness connector
3. Cutting unit carrier frame
4. Traction unit lift arm
1
Repairs