Steering Cylinder Service (2 Wheel Drive)
3
5
6
1
9
2
10
12
4
7
8
11
13
Figure 38
1.
2.
3.
4.
5.
Grease fitting
Piston rod
Wiper
6.
7.
8.
9.
O--ring
O--ring
Piston
Seal
10. O--ring
11. Lock nut
12. Barrel
13. Grease fitting
Gland
Seal
Disassembly (Fig. 38)
Remove oil from cylinder into a drain pan by slowly
pumping the cylinder shaft. Plug both ports and clean
the outside of cylinder.
5. Mount rod securely in a vise. Remove lock nut (item
and piston from the rod. Slide gland off the rod.
11)
1.
6. Removeanddiscardseal(item9)ando--rings(items
7 and 10) from the piston. Remove and discard wiper
(item 3), o--ring (item 6) and seal (item 5) from the head.
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.
Inspection
2.
tilts up slightly.
Mountsteering cylinder inavisesothattheshaftend
CAUTION
3.
the barrel.
Using aspanner wrench, remove gland (item 4)from
Use eye protection such as goggles when using
compressed air.
4.
gland (item 4) and piston (item 8) by carefully twisting
and pulling the rod from the barrel.
Grasp clevis end of piston rod (item 2); extract rod,
1.
with compressed air.
Wash all cylinder components in solvent. Dry parts
2.
out--of--roundness and bending. Replace if worn or
damaged.
Inspect internal surface of barrel for deep scratches,
IMPORTANT: Do not clamp vise jaws against rod
surface. Protect rod surface before mounting in the
vise.
Hydraulic System
Page 5 -- 48
Groundsmaster 3280--D/3320
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