Toro Groundsmaster 4300-D Service Manual page 184

Removing the CrossTrax AWD Control Manifold Assembly (continued)
Installing the CrossTrax AWD Control Manifold Assembly
Hydraulic System: Service and Repairs
5. Disconnect the hydraulic hoses and tubes from the fittings in the AWD control
manifold assembly. Allow the lines to drain into a suitable container. Remove
and discard the O-rings from the fittings.
6. Install clean caps or plugs on the hydraulic lines and fittings to prevent
system contamination.
7. Support the AWD control manifold assembly to prevent it from falling.
8. Remove the 3 bolts (item 13 in
the AWD control manifold to the frame bracket.
9. Locate and retrieve the 3 spacers between the frame bracket and the
manifold.
10. Remove the AWD control manifold from the machine.
11. If necessary, remove the hydraulic fittings from the manifold. Discard the
O-rings that were removed.
1. If the hydraulic fittings were removed from the AWD control manifold, lubricate
new O-rings with clean hydraulic fluid, position the O-rings to the fittings, and
install the fittings into the manifold; refer to
(SAE Straight Thread O-Ring Fitting into the Component Port) (page
2. Position the manifold and 3 spacers to the frame bracket. Install the 3 lock
washers (item 14 in
3. Remove the caps and plugs from the hydraulic lines and fittings.
4. Lubricate and install new O-rings on the AWD control manifold fittings.
5. Use the labels that you attached during manifold removal, correctly connect
the hydraulic hoses and tubes to the AWD control manifold assembly; refer to
Installing the Hydraulic Hose and Tube (O-Ring Face Seal Fitting) (page
6. Tighten the 3 bolts to secure the AWD control manifold to the frame.
7. Check the hydraulic-fluid level in the hydraulic tank and add correct quantity
of fluid if necessary; refer to the Operator's Manual.
8. Operate the machine functions slowly until air is out of system; refer to
Charging the Hydraulic System (page
Figure 95) and 3 lock washers that secure
Figure 95) and 3 bolts but do not fully tighten the bolts.
4–94).
Page 4–122
Installing the Hydraulic Fittings
Groundsmaster
16226SL Rev C
4–11).
4–9).
® 4300-D