TM 1-1730-232-13&P
3-16.4 Hydraulic Pump Replacement, Model 214-706-104-101 (AVUM)- Continued
NOTE
Only hydraulic pump assembly with part number 61780 can be used to replace either defective
pump removed above. A mounting plate and hydraulic fitting guard are already installed on the
replacement pump assembly.
B. INSTALL
Refer to figure 3-14 and Install a hydraulic pump as follows:
1.
Install the Hydraulic Pump (4), with part number 61780, using following steps.
a.
Position hydraulic pump (4) on cradle assembly (11) and align mounting holes.
b.
Insert bolts (25) through holes in pump mounting plate and hydraulic fitting guard; attach with
washers (17) and nuts (26).
c.
Install U-bolt (18) over pump (4) body and insert through holes in cradle, attach with washers (17)
and nuts (16) Torque to snug only, do not over torque or indent pump reservoir with u-bolt.
Maximum torque is no more than four inch pounds above run-on torque
d.
Install tee fitting (27), wrapped with Teflon Tape (item 8, Appendix D), In reducer/metering valve in
pump.
e.
Connect hose assemblies to both sides of tee fitting (27), but do not tighten completely at this
time.
f.
Perform fill and bleed procedure of hydraulic system in accordance with service procedure in C
below.
NOTE
If an older version pump, with part number BU0953B, was removed as part of a disassembly
procedure, it will be reinstalled using following procedure.
2.
Refer to figure 3-13 and Install the Hydraulic Pump (5), with part number BU09538, using following
steps.
a.
Position hydraulic pump (5) on cradle assembly (11) until it is centered over four mounting holes in
cradle.
b.
Install spacer (21) under pump at front, install U-bolt (19) over pump body (5) and insert through
holes in spacer and cradle; attach U-bolt with washers (17) and nuts (16).
c.
Install U-bolt (18) over pump body (5) and Insert through holes in cradle; attach U-bolt with
washers (17) and nuts (16).
d.
Install tee fitting (27), wrapped with Teflon Tape (item 8, Appendix D), in reducer/metering valve in
pump.
e.
Connect hose assemblies to both sides of tee fitting (27), but do not tighten completely at this
time.
f.
Perform fill and bleed procedure of hydraulic system in accordance with service procedure in C
below.
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