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SERVICE AND REPAIR
S E C T ION 9
TELESCOPIC CYLINDER
DISASSEMBLY
1. Prior to disassembling the cylinder, first make four
clips from thin steel. These clips should be approx-
imately .020" thick,1/2 " wide and 4" long. Bend each
clip, at a right angle, about 1" from the end so it can
hang over the edge of the tube.
2. Drain the hydraulic fluid from the cylinder. Clean
the outside of the cylinder prior to working on it to
prevent contamination from entering the cylinder.
Secure the cylinder to the floor or a workbench in a
vertical position (rod end up).
3. Remove the setscrew (1), plastic plug (2) and head
nut (3). Insert a long thin screwdriver under the end
of the retaining ring (6), prying it out of the groove.
Using another screwdriver – place it behind the
retaining ring and work your way around the cylin-
der – prying the ring out of the groove as you go.
When you are opposite the starting point, hang one
of the clips on the edge of the tube so that the long
end of the clip is between the ring and the groove
in the cylinder. Continue to use the screwdrivers as
“pry bars” and hang the remaining clips. The clips
should be equally spaced around the retaining ring.
4. Using an appropriate lifting device, raise the tube
completely out of the cylinder. The retaining ring (6)
will come out with the tube.
5. Clean, inspect and replace the guide and piston
rings (7) as necessary. When installing new rings,
the ends should be positioned on opposite sides of
the tube to prevent leakage.
6. After the tubes have been installed back into the
case, the retaining rings (6) should be installed,
packings (4) replaced and the head nuts (3) rein-
stalled.
3
1
2
3
5
R OD E ND
C A S E E ND
3
4
6
9-28
Summary of Contents for LEACH 2R-III
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Page 26: ...SECTION 2 2 8 ...
Page 28: ...OPERATION SECTION 3 LOCATION OF OPERATING CONTROLS 3 2 4 6 5 7 8 1 2 3 8 9 10 11 12 7 ...
Page 46: ...SECTION 3 3 20 ...
Page 54: ...SECTION 4 4 8 ...
Page 60: ...SECTION 6 6 4 PREVENTIVE MAINTENANCE 1 2 3 4 5 6 7 8 ...
Page 62: ...SECTION 6 6 6 ...
Page 76: ...SECTION 7 7 10 ...