Steering Cylinder Service (4 Wheel Drive)
1
5
7
10
11
2
3
12
6
4
8
9
Figure 40
1.
2.
3.
4.
Internal collar
Dust seal
Backup washer
O--ring
5.
Head
9. Uni--ring
10. Piston
11. Lock nut
12. Barrel
6.
7.
8.
Rod seal
Shaft
O--ring
Disassembly (Fig. 40)
Remove oil from cylinder into a drain pan by slowly
pumping the cylinder shaft. Plug both ports and clean
the outside of cylinder.
6. Remove and discard uni--ring (item 9) and o--ring
(item 8) from the piston. Remove and discard dust seal
(item2),backup washer (item 3),o--ring(item4) androd
seal (item 6) from the head.
1.
Inspection
IMPORTANT: Prevent damage when clamping the
steering cylinder into a vise; clamp on the pivot end
only. Do not close vise enough to distort the barrel.
CAUTION
2.
Mountsteering cylinder inavisesothattheshaftend
tilts up slightly.
Use eye protection such as goggles when using
compressed air.
3.
4.
Remove internal collar (item 1) from the barrel.
Grasp clevis end ofshaft(item 7);extract shaft,head
(item 5) and piston (item 10) by carefully twisting and
pulling the shaft from the barrel.
1. Wash all cylinder components in solvent. Dry parts
with compressed air.
2.
Inspect internal surface of barrel for deep scratches,
out--of--roundness and bending. Replace if worn or
damaged.
IMPORTANT: Do not clamp vise jaws against shaft
surface. Protect shaft surface before mounting in
the vise.
3.
Inspect head, shaft and piston for excessive pitting,
scoring and wear. Replace any worn or damaged parts.
5.
11)
Mountshaftsecurelyinavise.Removelocknut(item
and piston from the shaft. Slide head and internal
collar off the shaft.
Hydraulic System
Page 5 -- 52
Groundsmaster 3280--D/3320
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