Rotary Cutting Motor Service (Haldex) - Toro Groundsmaster 3500-D Service Manual

Rotary Cutting Motor Service (Haldex)

14
13
1
10
8
1. Front plate
2. Back plate
3. Body
4. Dowel
5. Drive gear
Disassembly (Fig. 49)
1. Plug motor ports and clean the outside of the motor
thoroughly. After cleaning, remove plugs and drain any
oil out of the motor.
2. Use a marker to make a diagonal line across the
front plate, body, and back plate for assembly purposes
(Fig. 50).
IMPORTANT: Avoid using excessive clamping
pressure on the motor housing to prevent distorting
the housing.
3. Clamp mounting flange of motor in a vise with the
shaft end down.
4. Loosen cap screws from the back plate.
5. Remove motor from the vise. Turn motor so that the
shaft end is facing down. Remove cap screws.
6. Remove back plate from the body.
Hydraulic System (Rev. D)
11
12
3
12
6. Idler gear
7. Cap screw
8. Back- -up gasket
9. Rear wear plate
10. Pressure seal
4
6
5
38 to 43 ft- -lb
(51 to 58 N- -m)
Figure 49
7. Carefully remove body. Lift body straight up to re-
move. Make sure the rear wear plate remains on the
drive and idler gear shafts. Remove and discard o--rings
from the body. Locate and retrieve dowel pins.
MARKER LINE
Page 4 - - 74
9
8
2
10
7
11. Front wear plate
12. O- -ring
13. Shaft seal
14. Retaining ring
15. Relief valve kit
Figure 50
Groundsmaster 3500--D
15