TM-9-2910-226-34
PUMP, FUEL, METERING AND DISTRIBUTING, ASSEMBLY
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT, MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS
JUNE 1974
TM-9-2910-226-34 - Page 31 of 208
TM 9-2910-220-34
A Housing cover
F
B Supply pump housing
G
C Camshaft driven gear
H
D Drive shaft
J
E Idler gear
K
Check valve spring
Check valve
Valve screw
Relief valve
Relief valve spring
Figure 1-21. Fuel supply pump assembly (code A and F),
sectional view.
1-15. Fuel Supply Pump Assembly (Code B, C, D, E,
late F and G Injection Pumps).
NOTE
The key letters shown below in parentheses
refer to figure 1-22.
a.
The fuel supply pump assembly consists of the
supply pump (B), camshaft driven gear (C), drive
shaft (D), idler gear (E), housing cover (1), and
check valve (G).
b.
The supply pump housing contains inlet and
outlet ports for fuel.
c.
The housing cover and cavity in the supply
pump housing form a compartment in which the idler
gear and drive shaft rotate.
d.
Rotation for the supply pump drive shaft (D) is
imparted by the fuel pump camshaft through the
camshaft driven gear (C).
A Housing cover
E Idler gear
B Supply pump housing
F Check valve spring
C Camshaft driven gear
G Check valve
D Drive shaft
H Valve screw
Figure 1-22. Fuel supply pump assembly (code B, C, D, E, late F
and G), sectional view.
1-16. Timing Device Assembly.
NOTE
The key letters shown in parentheses refer to
figure 1-16.
a.
The timing device housing (AD) is an
aluminum casting with mounting flanges at both
ends. A bore in the housing guides and supports the
spider assembly (AH). A timing opening with cover
(E) is located in the top of the housing and is used to
observe the position of the timing pointer (D) and
the timing mark on timing device hub (C) during
enging and fuel pump timing.
b.
The timing device hub (c), with external left
hand helical splines for engaging the internal helical
splines of the sliding gear (A), has a tapered bore
and keyway. The hub is secured to the camshaft
extension by a Woodruff key, nut, and setscrew. Old
style hubs have a circular flange extending
1-23
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