Toro Reelmaster 3100-D Service Manual page 193

Rotary Cartridge Valves (continued)
Mow/Backlap Spool
Reelmaster ® 3100-D/3105-D
20252SL Rev A
F. Press handle cap onto valve stem with arrow on cap pointing to number
9 on manifold. Make sure that the detent pin and spring stay positioned
in cap.
G. While pressing on the cap to keep the lip seal in place, rotate cap in a
clockwise direction until the arrow on the cap aligns with number 1 on the
manifold. By rotating the cap clockwise, the valve will remain closed.
Install screw to retain cap.
H. Make sure that alignment marks on cap and base are in line and that
arrow on cap is pointing to number 1 on manifold. Tighten two (2) set
screws to secure handle cap.
(Figure 89 and Figure
g345659
1. Retaining ring
2. O-ring
3. Back-up ring
1. Remove spool from mow manifold:
A. Remove backlap switch from mow manifold before removing
mow/backlap spool. Remove dowel pin and ball from manifold port after
switch is removed. Remove and discard O-ring from switch.
B. Remove lower retaining ring from mow/backlap spool. Raise
mow/backlap spool to allow access to retaining ring on upper end of
spool. Remove upper retaining ring.
C. Push spool down until O-ring and back-up ring are exposed on bottom of
mow manifold. Remove lower O-ring and back-up ring from spool.
D. Pull spool up and out of manifold. Remove O- rings and back-up ring
from spool.
2. Visually inspect the spool and manifold port for damage to the sealing
surfaces and contamination.
3. Install spool into mow manifold:
A. Install O-rings and back-up ring to upper grooves on spool. Apply a light
coating of grease to O-rings.
91)
Figure 91
4. O-ring
5. Spool handle
6. Rotary spool
Page 5–117 Hydraulic System: Service and Repairs