Toro Groundsmaster 1200 Service Manual page 80

Removing the Cutting Unit Gear Box (continued)
Cutting Unit Drive: Service and Repairs
5. Remove the drive pulley (7) from the gear box shaft (1) as follows:
A. Remove the 2 set screws (5) that secure the taper lock bushing (6) to the
drive pulley (7) on the cutting unit gear box shaft.
g266928
1. Set screw installation position
2. Set screw removal position
3. Drive pulley
B. Install 1 of the removed set screws into the threaded hole of the bushing;
refer to Figure 39. Tighten the set screw to loosen the bushing from the
pulley hub.
C. Slide the bushing and pulley from the cutting unit gear box shaft.
D. Locate and retrieve the key (2).
6. Remove the 4 bolts (4) that secure the cutting unit gear box assembly (1) to
the deck mount assembly (3).
Note: If the bolts (4) are hard to remove with the hand tools, apply localized
heat to bolts (4). Disassemble the bolts (4) while hot.
7. Remove the cutting unit gear box assembly (1) from the deck mount assembly
(3). If necessary, drain the lubricant from the cutting unit gear box (1).
8. If necessary, remove and replace the oil seals in the cutting unit gear box.
Note: The gear box replacement is necessary as the internal gear box
components are not available separately.
Figure 39
4. Taper lock bushing
5. Key
Page 5–12 Groundsmaster® 1200 Pull-Behind Rotary Mower
18235SL Rev A