Toro Greensmaster Flex 1800 Service Manual page 55

4. If necessary, disassemble spur gear assembly
(Fig. 29).
A. The hex shaft has left hand threads. The shaft
also has thread locking compound on threads.
B. Press ball bearing and flange bushing from spur
gear as needed.
IMPORTANT: As drum shaft (item 7) and differential
assembly (item 9) are removed, make sure to re-
trieve and note location of thrust washer (item 29)
for assembly purposes.
5. Push drum shaft (item 7) out of differential assembly.
Make sure to locate and retrieve thrust washer (item 29).
6. Slide differential assembly from long spur gear (item
8) and drum drive housing (item 1).
NOTE: For differential service procedure, see Differen-
tial Assembly Service in this section.
7. If necessary, slide long spur gear (item 8) from drum
drive housing. Straight bushings (item 17) in long spur
gear should be inspected for wear or damage and re-
placed if needed.
8. Ball bearing (item 14) that supports long spur gear is
pressed into drum drive housing. Make sure that bear-
ing is in good condition and is pressed fully to shoulder
of housing.
Assembly (Fig. 27)
1. If long spur gear (item 8) was removed from drum
drive housing, slide gear into ball bearing in drive hous-
ing.
2. If spur gear assembly (Fig. 29) was taken apart, as-
semble as necessary:
A. Press new ball bearing fully onto spur gear if re-
moved.
B. Press new flange bushing into spur gear if re-
moved.
C. If the hex shaft was removed from the spur gear,
apply Loctite #242 (or equivalent) to threads of hex
shaft. Install hex shaft (left hand threads) into spur
gear and torque from 70 to 80 ft−lb (95 to 108 N−m).
3. Make sure that differential housing cavity is packed
20% to 30% full of high temperature Mobil XHP−222
grease (or equivalent). Slide differential assembly into
drum drive housing (item 1) and onto long spur gear
(item 8). Make sure that spur gear properly engages dif-
ferential gears.
Greensmaster Flex 1800/1820/2100/2120
4. Place thrust washer (item 29) onto drum shaft (item
7). Insert drum shaft into differential assembly. Make
sure that drum shaft properly engages differential gears.
5. Install traction drums to machine (see Traction
Drums in this section).
6. Install drum drive belt from machine (see Drum Drive
Belt in this section).
7. Connect spark plug wire to spark plug.
1
2
1. Drum drive housing
70 to 80 ft−lb
(95 to 108 N−m)
3
1. Spur gear
2. Ball bearing
Page 4 − 25
Figure 28
2. Spur gear assembly
1
2
Figure 29
3. Hex shaft (LH threads)
4. Flange bushing
Traction and Reel Drive System
4