1
Cap and filter element
16
Cam ring
2
Packing
17
Weight retainer
3
End plate
18
Retaining ring
4
Packing
19
Thrust washer
5
Packing
20
Bearing, Sleeve
6
Liner
21
Weight (6 rqr)
7
Blade
22
Metering valve
8
Rotor retainer (2 rqr)
23
Plug (3 rqr)
9
Screw
24
Packing (2 rqr)
10
Spring plate, third
25
Spring
11
Spring plate, second
26
Sleeve
12
Spring plate, main
27
Piston
18
Head and rotor
28
Sing
14
Shoe (2 rqr)
29
Pipe plug
15
Cam roller (2 rqr)
80
Screw (4 rqr)
Figure 3-21. Fuel injection pump, exploded View (sheet 1 of 2)
(16) Remove sleeve bearing (20), thrust
washer (19), and weights (21).
(26) Remove weight retaining ring (18, sheet 1
(17) Remove four screws (30) and lift end plate
(3) off head and rotor (13).
head (18).
(18) Remove pipe plug (29) from end plate (8).
(27) Apply compressed air (between 30 to 100
(19) Remove packing (4) from end plate (8).
psi) to all head outlets until cam rollers (15) are forced to
(20) Remove plug (23), packing (24), and
their extreme outward limit. Carefully measure the
spring (25) from sleeve (26).
distance from outside of 1 cam roller to the other by a
(21) Insert tool (2, fig. 3-22) in hole in top of
micrometer with a one to two inch jaw. This distance
sleeve (26, fig. 3-21) and remove sleeve (26), piston
must be maintained at reassembly.
(27), spring (28), and packing (24) from end plate (3).
(28) Remove screw (9) and spring plates (10,
(22) Remove cap and filter element (1) and
11, and 12), from head and rotor.
packing (2) from end plate (3).
(23) Remove packing (5) from head and rotor
NOTE
(18).
Use extreme care when removing
(24) Lift liner (6) and blades (7) out of head and
metering valve from head and rotor,
rotor (13).
so as not to mar the machined
(25) Place special tool (4, fig. 3-28) over
surfaces.
distributor rotor (3), and special tool (5) in tongue slot of
distributor rotor (3), loosen then remove distributor rotor
(29) Remove cam rollers (15), shoes (14), and
(3) from head.
metering valve (22) from head and rotor (18).
NOTE
(30) Remove two capscrews (70, sheet 2 of fig.
At reassembly, insure that etched
arrow indicating distributor rotor
rotation is correctly installed.
AGO 20051A
3-30
