TM 10-4930-351-14
UNIT MAINTENANCE
ADVANCED AVIATION FORWARD AREA REFUELING SYSTEM MODEL M100A1
REPLACE FUEL INJECTOR NOZZLE
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Tool Kit, General Mechanics
Gaskets (WP 0117 00, Item 50)
(WP 0113 00, Item 1)
Washer, Copper (WP 0117 00, Item 62)
Washer, Copper (WP 0117 00, Item 63)
REMOVAL
1.
Remove screws (1) and nuts (2) from decompression lever (3).
2.
Remove cable clamp (4) from fuel flow solenoid wire cable at black start control knob (5).
3.
Remove two socket head cap screws (6) and washers (7) securing cylinder casing (8) to cylinder heads (9).
4.
Remove three socket head cap screws (10) from valve cover (11). Remove cover and gasket (12). Discard gasket (12).
5.
Remove any remaining gasket material from the valve cover (11) and cylinder head (9).
6.
Disconnect and remove fuel feed line (13) between fuel injector pump and fuel injector (14).
7.
Remove brace nut (15), washer (16) and brace (17) from mounting stud.
8.
Raise injector to access union bolt (18). Remove bolt, union (19), and washers (20) and (21). Discard washers (20 and
21).
9.
Remove fuel injector. If copper washers (22) come out with fuel injector, remove and install in cylinder head.
INSTALLATION
1.
Install and tighten union bolt (18), union (19) and new copper washers (20 - thick) and (21).
2.
Position fuel injector (14) in cylinder head.
3.
Install and tighten brace (17), washer (16) and nut (15) on mounting stud.
4.
Install and tighten fuel supply line (13) on fuel injector.
5.
Position gasket (12) on cylinder head.
NOTE
Valve cover with oil fill cap is positioned toward the PTO end of the engine.
6.
Position valve cover (11) on gasket (12) and cylinder head (9).
7.
Install and alternately tighten the socket head screws (10) attaching valve covers (11) to cylinder head (9).
8.
Thread fuel solenoid wire cable through the black start control knob (5), position cylinder casing (8) on engine, and
install and tighten the two socket head cap screws (6) and washers (7) that secure the casing to the cylinder heads (9).
0044 00-1
