TM-9-2320-273-34

TRUCK TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1980

TM-9-2320-273-34 - Page 611 of 801

TM9-2320-273-34

16-7. Disassembly.

a.

Remove all dirt and oil from the external surfaces of the pump assembly.

b.

Remove filler cap (13, fig. 16-3) from the reservoir (12) and drain the balance of the oil

from the reservoir.

Do not clamp on the pump or reservoir

as they are easily damaged by a vise.

c.

Clamp the pump mounting flange (31) into a vise.

d.

Remove the two nuts ( 16) and reservoir mounting seals ( 14) from studs ( 15) on the backside

of the reservoir ( 12).

Do not pry on the edge of the

with any tool.

reservoir

Once the reservoir has been loosened, it

must be removed and a new O-ring (33)

installed.

e.

Note the position of the reservoir on the case pump for later reassembly.

f

Carefully remove the reservoir from the pump body (28) by gently tapping the side of the

reservoir with a rubber mallet.

9.

h.

i.

i

k.

l.

Remove reservoir mounting seals (11 ).

Loosen, but do not remove, the retaining ring (36) using a spanner wrench.

Remove the elbow (26) and O-ring (27) from the pump body (28).

Remove the flow control valve cap (22), spring (24), and valve (25).

Remove O-ring (23) from valve cap (22).

Remove the pump from the vise for further disassembly on a repair bench.

16-6

CAUTION

CAUTIO N