ARMY TM 9-2815-259-24
AIR FORCE TO 38G1-125-2
MARINE CORPS 09249A/09246A-24
(23) Invert fuel injection pump in vise. Rotate hydraulic head assembly (48) counterclockwise in fuel
injection pump housing (1) and lift linkage hook (56) off metering valve arm (43). Disconnect
linkage hook from governor arm (55) and hang linkage hook over side of fuel injection pump
housing, refer to Figure 5-7.
FIGURE 5-7. LINKAGE HOOK DISCONNECTION.
(24) Remove metering valve arm (43), spring (44), shim (45), and metering valve (46).
(25) Remove vent screw assembly (47).
(26) Remove hydraulic head assembly (48) by tilting fuel injection pump housing (1) downward and
twisting and pulling on hydraulic head assembly, refer to Figure 5-8.
FIGURE 5-8. HYDRAULIC HEAD ASSEMBLY REMOVAL.