REPLACEMENT - TM-55-1905-223-24-10117

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FIGURE 2-27. Fuel Pump External Throttle Components.

TM-55-1905-223-24-1 Main Propulsion Engine for Landing Craft Utility (LCU) NSN 1905-01-154-1191 Manual

Replace/Repair Rocker Lever Housing Group/Cover Group.

TM 55-1905-223-24-1

REPAIR

Repair of the fuel pump group is by replacement of the fuel pump. Repair of the fuel pump is covered by

intermediate direct support maintenance procedures (Chapter 3).

REPLACEMENT

NOTE

All KTA 50 engines must have a white or light green flexible coupling insert.

a. Position flexible coupling insert (1, FIG. 2-27) on pump shaft.

b. Position lockwasher (5) and washer (6) on each hexagon head capscrew (4).

Insert hexagon head capscrews (4) through boltholes in fuel pump mounting flange.

d. Position gasket (7) on pump mounting flange with hexagon head capscrews (4) through boltholes of

gasket (7).

e. Align flexible coupling insert (1) with drive coupling shaft in engine (8).

f. Install cam-actuated fuel pump (3) with hexagon capscrews (4) aligned with boltholes in engine (8).

Tighten hexagon head capscrews (4) to 35 ft-lb (47 N m).

g. Install throttle lever (2) and tighten capscrew until hand tight. Connect linkage to throttle lever (2).

h. Connect input and output fuel lines (2 and 1, FIG. 2-26).

Connect electrical connections. Remove tags.

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