Cylinder and Ram Assembly. - TM-55-1730-208-130029

TM 55-1730-208-13

(5) Install packing nut (35) in pump body (38).

(2) Install vent

assembly

(9)

in reservoir

(6) Close release assembly (33).

(12).

f. Hydraulic Pump. Install the hydraulic pump to

(3) Install chain assembly (8) on vent

assembly (9).

the reservoir (12, figure 3-2) as follows:

b. Safety Relief Valve. Install the safety relief

(1) Position gasket (11) on mounting base of

reservoir (12).

valve (24, figure 3-2) as follows:

(2) Place mounting flange of pump body (38)

(1) Apply white lead (item 5, table 1-2) to

on mounting base of reservoir (12), align mounting

threads of safety relief valve (24).

holes, and install lockwashers (15) and screws (13 and

(2) Install safety relief valve (24) in pump

14).

body (38).

(3) Install pump handle (1) in pump handle

c. Safety Relief Valve. Install the safety relief

socket (5) and connect chain assembly (8).

valve (25, figure 3-2) as follows:

(1) Apply white lead (item 5, table 1-2) on

threads of safety relief valve (25).

3-51. Cylinder and Ram Assembly.

(2) Install safety relief valve (25) in pump

Reassembly of the cylinder and ram assembly

body (38).

(figure 3-3) is not authorized at organizational level.

d. Intake and Discharge Valves. Reassemble

Maintenance required at organizational level consists of

and install the intake and discharge valves (items 26

installation of the cylinder and ram assembly on the

through 31) as follows:

tripod assembly. Refer to paragraph

3-56

for

(1) Insert ball (30, figure 3-2) into pump

installation procedures.

passage. Position a suitable brass rod, with cupped

end, over ball and tap lightly to seat ball.

3-52. Foot Assemblies.

(2) Carefully install valve spring (29) in pump

NOTE

passage. Insure intake valve spring is straight and

The caster arm assembly, part

centered in pump passage.

number

53H6831,

(3) Insert ball (28) into pump passage.

interchangeable with the caster

Position a suitable brass rod, with cupped end, over ball

arm assembly, part number

and tap lightly to seat ball.

53C7069.

(4) Install discharge valve spring (27). with

a. If caster arm assembly (12, figure 3-4), part

small end pressing against center of ball (28). Insure

number 53C7069, is used, position housing (14) on foot

discharge valve spring is straight and centered in pump

(13) and install bolts (15), lockwashers (16), and nuts

passage.

(17).

(5) Install plug (26) in pump body (38).

b. Lubricate spring (7) and spring housing of caster

(6) Adjust discharge valve in accordance with

mount (8) with lubricating oil (item 2, table 1-2).

paragraph 3-47, steps (1) through (51.

c. Assemble spring (7) and caster mount (8) in

e. Release

Assembly

and

Associated

housing of caster arm assembly (12) and install washer

Components. Assemble and install the release

(9), nut (10), and cotter pin (11).

assembly and associated components (items 33 through

d. Lubricate axle of caster (3) with lubricating oil

36) as follows:

(item 2, table 1-2). Position caster on caster mount (8)

(1) Insert ball (34) in pump return passage.

and install bolts (4), lockwashers (5), and nuts (6).

Position a suitable brass rod, with cupped end, over ball

and tap lightly to seat ball.

3-53. Tripod Assembly.

(2) Lubricate release assembly (33), packing

a. Install foot assemblies in accordance with

nut (35), and preformed packing (36) with lubricating oil

paragraph 3-55.

(item 2, table 1-2).

b. Install cylinder and ram assembly in accordance

(3) Assemble packing nut (35) and preformed

with paragraph 3-56.

packing (36) on release assembly (33) and insert into

c. Install pump assembly in accordance with

pump body (38).

paragraph 3-57.

(4) Start threads of release assembly (33)

into threads in pump body (38).

3-54. Installation.

Install the foot assemblies, cylinder and ram

assembly, pump assembly, and clamp assembly as

follows:

3-17