Toro Groundsmaster 3280-D Service Manual page 176

Installing the Hydrostatic Transmission
Hydraulic System: Service and Repairs
1. Coat new hydraulic fitting O-rings lightly with clean hydraulic fluid. Install
fittings with new O-rings to the transmission. Orientate the fittings as noted
during disassembly.
2. If pump lever (item 18 in
apply Loctite #680 Retaining Compound (or equivalent) to pump shaft. Slide
pump lever onto shaft and secure with bolts and locknuts.
3. Apply non-hardening gasket sealant to both sides of gasket (item 9 in
81). Position gasket to front axle gasket surface.
4. Carefully position transmission to front axle taking care not to move or
damage gasket. Ensure that the transmission and axle gears mesh properly.
During assembly, ensure that the upper left bolt (item 1 in
extends through hole in transmission anchor.
5. Apply Loctite #242 (or equivalent) to threads of bolts (items 1 and 2 in
81). Secure transmission to front axle with bolts, washers, and spacers using
locations noted during disassembly. Tighten bolts in a crossing pattern. After
tightening, ensure that mounting spacers do not rotate.
6. Secure transmission to anchor (item 12 in
upper left bolt while tightening locknut.
7. Connect machine harness wires to neutral switch.
8. Slide traction rod (item 50 in
washer and cotter pin.
9. Check transmission driveshaft alignment and adjust if necessary; refer to
Transmission Driveshaft (Machine Serial Numbers below 316000000) (page
5–87). Install transmission driveshaft.
10. On 4-wheel drive machines, connect 4-wheel drive driveshaft to transmission;
refer to Installing the Rear Axle Driveshaft (4-Wheel Drive) (page
11. Install hydraulic hoses to fittings on transmission in positions noted during
disassembly.
12. Check hydraulic-fluid level in reservoir (front axle) and adjust as required;
refer to the Traction Unit Operator's Manual.
13. Operate the machine functions slowly until air is out of system; refer to
Charging the Hydraulic System (page
14. Check traction drive for neutral and neutral switch adjustment; refer to the
Traction Unit Operator's Manual.
Figure 81) was removed, clean pump shaft and
IMPORTANT
Figure
Figure 81) to pump lever and secure with flat
5–85).
Page 5–92
Figure
Figure
Figure
81) with locknut. Retain
8–44).
Groundsmaster ® 3280-D/3320
05138SL Rev B
81)