Quantcast Cleaning, Inspection and Repair. - TM-10-3930-620-340073

 

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Figure 3-28. Side shift cylinder, exploded view.
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TM-10-3930-620-34 Truck Lift Fork Solid Rubber Tired Wheels 6000 Capacity 180 Inch Lift Manual
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Figure 3-29. Control valve.
(2) Compress lock ring (6) holding head (4)
(2) Prior to assembling, coat each component
and remove from tube assembly.
with clean hydraulic oil to facilitate installation and to
(3) Remove remaining internal components
provide initial lubrication.
by carefully pulling on shaft (15).
(3) Position backup rings (13) and packing
(4) Carefully slide head off end of shaft.
(14) on piston. Install piston on rod and secure with nut.
(5) Remove nut (10) securing piston (11) to
(4) Install wiper ring (7) in head with small
shaft. Slide piston off end of shaft.
diameter towards the end of shaft. Secure with lock ring
(6) Remove backup rings (13) and preformed
(6).
packing (14) from piston, Remove preformed packing
(5) Install packing (9) and backup ring (8) in
(12) from shaft.
head. Position anti extrusion ring (3), and spacer (2) on
(7) Remove backup ring (8) and preformed
head.
packing (5 and 9) from head.
(6) Carefully slide piston and rod assembly
(8) Check bearing (17) at end of tube
into tube assembly (16).
assembly and replace if damaged.
(7) Position head assembly over rod and
c. Cleaning, Inspection and Repair.
compress retainer ring (1). Slide head assembly (with
retainer ring compressed) into tube until retainer ring
(1) Clean all metallic parts with solvent.
snaps into groove in tube assembly.
(2) Inspect tube bore, rod head, and piston for
cracks, scratches, scoring, and other possible dam age.
3-22. Control Valve
(3) Repair or replace any components that are
a. General. The hydraulic system control valve (fig.
worn or damaged.
3-29) contains three plunger sections, an inlet section,
d. Reassembly.
and an outlet section. Each section may be replaced
(1) Use new preformed packing (5, 9, 12, and
separately.  Parts in each section may be replaced
individually, except plunger section housings and their
selectively fit plungers, which shall be replaced as units.
3-45

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