Toro Groundsmaster 3280-D Service Manual page 99

Assembly (Fig. 40)
1. Coat new dust seal, uni--ring, backup washer, rod
seal and all o--rings lightly with hydraulic oil. Install new
o--ring and uni--ring to the piston. Install dust seal, back-
up washer, o--ring and rod seal to the head.
IMPORTANT: Do not clamp vise jaws against shaft
surface. Protect shaft surface before mounting in
vise.
2. Mount shaft securely in a vise.
3. Coat shaft lightly with hydraulic oil. Slide internal col-
lar and head onto the shaft being careful not to damage
the rod seal and dust seal.
4. Install piston onto the shaft being careful not to dam-
age o--ring. Install lock nut onto the shaft and tighten.
Groundsmaster 3280--D/3320
5. Remove shaft from vise.
IMPORTANT: Prevent damage when clamping the
barrel into a vise; clamp on the pivot end only. Do
not close vise enough to distort barrel.
6. Mount barrel in a vise so that the shaft end tilts up
slightly.
7. Coat all internal steering cylinder parts with a light
coat of hydraulic oil. Slide piston, shaft and head assem-
bly into barrel being careful not to damage the seals.
8. Secure head in barrel by installing internal collar into
barrel.
Page 5 - - 53 Hydraulic System