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Pump Assembly. - TM-55-1730-208-130026
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TM-55-1730-208-13 Jack Hydraulic Part Number 50J25178 (TYPE B6) Manual
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Clamp Assembly. - TM-55-1730-208-130028
TM 55-1730-208-13
d. Inspect eyebolt (9) for excessive wear at eye
f. Inspect ram (32) for corrosion and distorted
and distorted threads.
grooves. Inspect for bent ram.
3-39. Pump Assembly.
g. Inspect cylinder (33) for cracks, deep dents, and
condition of painted surface.  Inspect for broken or
a. Inspect reservoir (12, figure 3-2) and pump body
cracked lugs.
(38) for condition of paint, corrosion, cracks, and warped
mounting base and mounting flange.
NOTE
NOTE
Paint cylinder and ram assembly
in  accordance  with  painting
Paint
pump
assembly
in
instructions outlined in TM 55-
accordance
with
painting
1500-204-25 / 1.
instructions outlined in
h. Inspect nameplate (34), assembly decal (36),
TM 551500-204-25 / 1.
rise indicator decal (37), and capacity decal (38) for
b. Check pump handle socket (5) for excessive
legibility and security.
play or lost motion and free operation.
i. Inspect hose (39) for cracks, deterioration,
c. Inspect safety relief valve (24), safety relief
kinks, and wear due to chaffing.
valve (25), and release assembly (33) for condition and
security.
j. Inspect hose fittings for cracks and distorted
threads.
d. Inspect screen (32) for distortion.
3-41. Foot Assemblies.
e. Inspect instruction and capacity decals (39 and
a. Inspect swivel casters (3, figure 3-4) for free
40) for legibility and security.
rotation and chipped, cracked, gouged, or excessively
f. Inspect parts removed during disassembly as
worn wheels.  Inspect mounting flanges for cracks,
follows:
warpage, and elongated holes.
(1) Air vent assembly. Inspect vent assembly
b. Inspect springs (7) for corrosion and excessive
(9, figure 3-2) for positive opening and closing, clogging,
wear.
and deterioration of felt plug inside vent assembly, and
c. Inspect caster mounts (8) for excessive wear
for distorted threads.
and evidence of binding on spring housings. Inspect
(2) Safety relief valve.  Inspect safety relief
attachment stems for bends and distorted threads.
valve (24, figure 3-2) for corrosion, cracks, and distorted
Inspect mounting flanges for cracks, warpage, and
threads.
elongated holes.
(3) Safety relief valve.  Inspect safety relief
d. Inspect caster arm assemblies (12) for cracks,
valve (25, figure 3-2) for corrosion, cracks, and distorted
bends, and broken or cracked welds. Inspect foot of
threads.
caster arm assemblies for cracks and excessive wear.
(4) Intake and discharge valves.
Inspect
Inspect housings for excessive wear and evidence of
intake and discharge valve springs (27 and 29, figure 3-
binding on caster mounts.
2) for corrosion and wear, balls (28 and 29) for out-of-
3-42. Tripod Assembly.
roundness or excessive wear, and general condition of
a. Inspect tripod assembly (figure 3-5) for condition
assembly.
of paint.
(5) Release
assembly
and
associated
NOTE
components.  Inspect release assembly for excessive
Paint
tripod
assembly
in
wear, broken, cracked, distorted, or stripped, head and
accordance
with
painting
threads; out-of-roundness or wear of ball (34); distorted
instructions  outlined  in  TM
threads of nut (35); and deterioration of packing (36).
551500-204-25 / 1.
3-40. Cylinder and Ram Assembly.
b. Inspect leg extensions (1) and legs (4) for
a. Inspect jack pad adapter socket (8, figure 3-3)
bends, corrosion, and evidence of material failure.
for cracks and excessive wear.
c. Inspect no. 1, no. 2, no. 3, no. 4, and no. 5
b. Inspect rise indicator rod (12) and rise indicator
braces (5, 6, 11, 12, and 15) and connecting links (16)
tube assembly (13) for security and warpage.
for bends, corrosion, cracks, and rigidity.
c. Inspect jack pad socket (15) for chips, cracks,
d. Inspect tension bar (7) for bends and corrosion.
and excessive wear.
3-43. Repair.
d. Inspect extension screw (17) for corrosion and
Repair the clamp assembly, cylinder and ram
distorted threads. Inspect for bent extension screw.
assembly hose, and foot assembly as follows:
e. Inspect ram nut (23) for free rotation on ram
(32).
3-15

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