Section VII. REPAIR AND REPLACEMENT INSTRUCTIONS

TM 55-4920-424-13&P

SECTION VII

REPAIR AND REPLACEMENT INSTRUCTIONS

7-1.

GENERAL.

7-2.

The following maintenance data includes removal, inspection, disassembly, re-assembly, and installation of the

mobile check stand components. When maintenance and inspection checks or troubleshooting remedies require the

repair of a component the following repair instructions apply.

a. Remove all electrical connections when accessible and feasible. Tag all parts to facilitate reinstallation.

b. Cap all lines, and seal all openings to prevent entry of dirt, chips, or other foreign material.

c. Replace all gaskets and O-rings. Lubricate gaskets, O-rings, flanges and oil seals with oil (item 4, App D).

d. All parts safetied with lockwire or cotter pins prior to removal or disassembly shall be re-safetied in the same

manner upon re-assembly or installation with new wire or new cotter pins.

7-3.

Removal of Fuel Boost Pump. (See figure E-5.)

a. Disconnect electrical harness from fuel pump (25).

b. Disconnect fuel lines (17, 20) from pump. Cover open ends of fuel lines.

c. Remove nipples (21) from pump. Cover open ports on pump.

d. Remove nuts (27) washers (28) and screws (29) securing pump to support bracket (38). Remove pump from

bracket.

7-4.

Installation of Fuel Boost Pump. Installation of fuel boost pump is the reverse of removal. Refer to E-19 when

connecting electrical harness to fuel boost pump.

Change 2 E-53