SECTION 5 - BASIC HYDRAULICS INFORMATION & SCHEMATICS
5-14
31215031
8.
Using suitable protection, clamp cylinder rod in a vise or
similar holding fixture as close to piston as possible.
9.
Remove capscrews attaching tapered bushing to piston.
10.
Insert capscrews in threaded holes in outer piece of
tapered bushing. Progressively tighten capscrews until
bushing is loose on piston.
11.
Remove tapered bushing from piston. Discard cap-
screws.
12.
Screw piston counterclockwise by hand and remove
from cylinder rod.
Figure 5-13. Tapered Bushing Removal
REMOVE SEALS USING A BRASS OR PLASTIC PICK ONLY. DO NOT USE A KNIFE,
SHARP OBJECT, OR SCREW DRIVER. MAKE NOTE OF SEAL ORIENTATION
BEFORE REMOVING FOR PROPER INSTALLATION.
13.
Remove and discard backup ring (13) and O-ring (14)
from inside grooves of piston (4).
14.
Remove and discard two lock rings (11) and seals (12)
from outside grooves of piston.
15.
Remove spacer (6) from rod (2).
16.
Remove rod from holding fixture. Remove cylinder
head (3).
17.
Remove and discard wear ring (15), wiper seal (19), and
rod seal (18) from inside of cylinder head (3). Remove
and discard O-ring (17) and backup ring (16) from outer
grooves of cylinder head.
Rod
Piston
Tapered
Bushing
Rod
Capscrew
4
12
11
11
12
14
13
Figure 5-14. Piston Disassembly
19
3
15
18
16
Figure 5-15. Cylinder Head Disassembly
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