TM 5-3810-306-34
a. Check all mating surfaces, and replace any parts
having scratches or burrs that could cause
leakage or damage.
b. Check around chamfered area of shaft for burrs,
nicks, or sharp edges that can damage seals
when assembling flange. Nicks or burrs may be
removed with a hard, smooth stone (such as an
Arkansas stone). Do not try to file or grind this
part.
REASSEMBLY:
NOTE
Use all new seals when
assembling motor. Lubricate
the seals with petroleum jelly
before assembly.
Do not
stretch seals before installing.
together. Bearing race must rotate freely when
1. INSTALL PLUG (20) AND SEAL (21), IF REMOVED.
in piston.
a. If plug (20) and seal (21) were removed,
3. INSTALL MOUNTING FLANGE (13) AND SEALS.
lubricate seal and install it on plug. Push plug
into housing so plug and housing are flush. Be
a. Install dust seal (14) in the flange (13) as shown.
careful not to damage seal (21).
Press seal into place carefully, using a tool which
will provide proper guiding and positioning to
NOTE
eliminate damage to rubber portion of distortion
metal container.
Do not allow oil to get into
b. Lubricate I.D. of seal tube and O.D. of shaft
tapped holes.
pressure seal (15) with light film of clean
petroleum jelly. Align small I.D. end of seal tube
2. INSTALL OUTPUT SHAFT (17), NEEDLE THRUST
with seal seat in mounting flange.
Install
BEARING (19) AND BEARING RACE (18).
pressure seal (15) in tube with lip of seal face up
as shown. Insert seal driver in tube and firmly
a. Lubricate output shaft (17) with hydraulic oil.
push seal seat with a rotating action.
Install shaft in housing (11).
b.
Install needle thrust bearing (19) then bearing
race (18) on shaft (17). Pull shaft partially out
of housing, then push all three parts in housing
15-138
