4-Spool Valve Installation - Toro 22317 Service Manual

26. If the 4-Spool valve is being replaced, transfer all the
fittings and markings to the new 4­Spool valve.
4-Spool Valve (Fig. 0597):
B
C D
A
C D
A. Hydraulic fluid return fitting
B. Auxiliary valve and relief fitting
C. Tilt cylinder fittings (2)
D. Lift cylinder fittings (2)
E. Right hand counterbalance valve fittings (2)
F. Left hand counterbalance valve fittings (2)
G. Hydraulic test port fitting
Toro Wheeled CUL Service Manual
CHAIN DRIVE/HYDRAULICS
E F
E F
Fig. 0597 DSC-2779a

4-Spool Valve Installation

1. Before installing the 4-Spool valve back in the frame,
leave the two 90º fittings loose (Fig. 0598).
G
2. Install the o-ring on the relief valve (Fig. 0599).
Fig. 0598 DSC-2779a
Fig. 0599 DSC-2781a
4/2-17