Clamp Assembly. - TM-55-1730-208-130024

TM 55-1730-208-13

3-26. Clamp Assembly.

(1) Open release assembly (33, figure 32)

until free from threads in pump body (38).

a. Remove cam bolt (2, figure 3-1) washer (3), and

lockwasher (4) from front half clamp (6). Remove clamp

(2) Remove packing nut (35) from pump

cam handle (5).

body (38) and remove release assembly 133), packing

nut (35), and preformed packing (36).

b. Separate front half clamp (6) and rear half

clamp (7) by drilling out rivet (8).

(3) Remove ball (34) from pump return

passage by tapping pump body (38) lightly.

c. Separate eyebolt (9) from rear half clamp (7) by

drilling out rivet (8).

3-28. Cylinder and Ram Assembly.

Disassembly of the cylinder and ram assembly is

3-27. Pump Assembly.

restricted to direct support level maintenance. Do not

Disassembly of the hydraulic pump assembly at

disassemble the cylinder and ram assembly at

organizational level is limited to separation of the

organizational level.

hydraulic pump and reservoir ( 12, figure 3-2) and

3-29. Foot Assemblies.

removal of the following parts.

a. Remove swivel casters (3, figure 3-4) from

a. Vent Assembly. Remove the air vent assembly

caster mounts (8) by removing bolts (4), lockwashers

(9, figure 3-2) as follows:

(5), and nuts (6).

(1) Remove chain assembly (8) from vent

b. Remove spring (7) and caster mount (8) from

assembly (9).

caster arm assembly (121 by removing cotter pin (11),

(2) Remove vent assembly (9) from reservoir

nut (10), and washer (9).

(12).

NOTE

b. Safety Relief Valve. Remove the safety relief

The caster arm assembly, part

valve (24, figure 3-2) from pump body (38).

number

53116831,

interchangeable with the caster

CAUTION

arm assembly, part number

The safety relief valve is preset at

53C7069.

assembly.

Do not attempt to

move adjusting nut.

c. If caster arm assembly (12), part number

53C7069, is used, separate foot ( 13) from housing (14)

c. Safety Relief Valve. Remove the safety relief

by removing bolt 115), lockwashers (16), and nuts (17).

valve (25, figure 3-2) from pump body (38).

3-30. Tripod Assembly.

CAUTION

The safety relief valve no. 2 is

a. Disassemble leg extensions (1, figure 3-5 ) by

preset at assembly.

Do not

removing bolts and nuts (2 and 3). Separate legs (4)

attempt to move adjusting nut.

from upper leg extensions.

d. Intake and Discharge Valves. Remove the

b. Disassemble no. I and no. 2 braces (5 and 6)

intake and discharge valves as follows:

and tension bar (7) by removing bolts (8) and

lockwashers (9).

(1) Remove plug (26, figure 3-2) from pump

body (38).

c. Disassemble web (10) and no. 3 and no. 4

braces (11 and 12) by removing bolts (13) and nuts (14).

(2) Carefully extract discharge valve spring

(27) from pump passage. Tap pump body (38) lightly to

d. Disassemble no. 5 braces (15) and connecting

free ball (28).

links (16) by removing brace studs (17) and nuts (18).

(3) Carefully extract intake valve spring

3-31. Cleaning.

(29) from pump passage. Tap pump body (38) lightly to

Cleaning instructions for the clamp assembly,

free ball (30).

pump assembly, cylinder and ram assembly, foot

assemblies, and tripod assembly after disassembly are

e. Release

Assembly

and

Associated

as follows:

Components.

Remove and disassemble release

3-32. Clamp Assembly.

assembly as follows:

Clean all parts of clamp assembly (figure 31 with

dry cleaning solvent (item 1, table 1-2).

3-12