Toro Groundsmaster 4500-D Series Service Manual page 248

Assembly (Figure 135) (continued)
Hydraulic System: Service and Repairs
Prevent damage when clamping the cylinder's barrel into a vise;
clamp on the clevis only. Do not close vise enough to distort the
barrel.
5. Mount steering cylinder in a vise with soft jaws. Secure head in barrel:
A. Align retaining ring hole in the head with the access slot in the barrel.
B. Insert the retaining ring hook into the hole and rotate head clockwise until
the retaining ring is completely pulled into the barrel and the ring ends
are covered.
C. Apply silicone sealer to barrel access slot.
IMPORTANT
Page 5–146 Groundsmaster ® 4500-D/4700-D
19245SL Rev A