1
Pipe plug
9
Cotter pin
17
Pin
2
Lock screw
10
Machine screw
18
Drive shaft
3
Oil spray nozzle
11
Lockwasher
19
Key
4
Pipe
12
Screen
20
Oil pump drive gear
5
13
Cover assembly
21
Nut
6
Machine screws
14
Machine screws
22
Stub shaft
7
Check ball
15
Cover gasket
23
Body
8
Spring
16
Drive gear
24
Driven gear
Figure 39. Oil pump.
(7) Remove the slotted pipe plug (1, fig.39) and allen head setscrew (2) locking the oil pump to the
engine crankcase.
(8) Remove the nut (21) securing the gear (20) in the crankcase.
(9) Remove the oil pump from the crankcase.
(10) Remove the woodruff key (19) from the drive shaft.
c. Disassembly.
(1) Remove the cotter pin (9) and remove the spring (8) and check ball (7) from the cover (13).
(2) Remove the machine screw (10), lockwasher (11) and screen (12) from the cover (13).
(3) Remove the machine screws (14), cover (13), and gasket (15) from the oil pump body (23).
AGO 6871A
84
