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Steering Cylinder Repair - Greensmaster 3100 (Fig. 40)
Figure 40
IMPORTANT: To prevent damage when clamping the
cylinder barrel in a vise, clamp only on the pivot end.
Do not clamp the vise jaws against the smooth shaft
surface. Protect the shaft surface before mounting
in the vise.
1. After removing the cylinder, pump the oil out of
cylinder ports into a drain pan by SLOWLY moving rod
in and out of cylinder bore.
2. Plug the ports and clean the outside of the cylinder.
3. Mount the cylinder in a vise by clamping vise on
center mounting location of cylinder.
4. Loosen setscrews (Item 1) and remove threaded end
caps (Item 2) from each end of barrel (Item 12).
5. Grasp flats on threaded end of rod and use a twisting
and pulling motion to carefully remove rod assembly
(Item 9) and head from the barrel. Remove head
(Item 5) from other end of barrel.
6. Slide head off of rod assembly.
7. Remove and discard all seals and back-up rings.
8. Wash parts in solvent. Dry the parts with compressed
air. DO NOT wipe them dry with a cloth or paper as lint
and dirt may remain.
9. Inspect internal surface of barrel for damage (deep
scratches, out-of-round, etc.). Inspect head and rod
assembly for evidence of excessive scoring, pitting, or
wear. Replace any damaged or worn parts.
10. Put a light coating of hydraulic oil on all new seals
and back-up washers. Install the new seals and back-up
washers.
11. Put a light coating of hydraulic oil on all cylinder parts
to ease assembly. Slide rod assembly (Item 9) into
barrel. Install head (Item 5) to each end of barrel.
12. Install threaded cap (Item 2) on each end of barrel
and tighten setscrews (Item 1).
Greensmaster
®
3100 Page 4 - 59 Repairs