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b. Install the keys (9 and 12, fig. 5-1) and the
KEY to fig. 5-':
13.
Cap screw
1. Cap screw
14.
Flat washer
coupling halves (8 and 11 ) on the shafts of the gear
2. Nut
15.
Nut
case and engine; secure with setscrews ( 7 and 10).
3. Lock washer
16.
Lock washer
c. Install the engine mounting brackets (23 and
4. Coupling guard
17.
Flat washer
24) on the engine (25) with cap screws (21) and
5. Pump gear case
18.
Shim
lock washers (22).
6. Damper spider
19.
Shim
7. Setscrew
20.
Shim
d. Install the damper spider (6) on the gear case
8. Coupling half
21.
Cap screw
coupling half (8).
9. Key
22.
Lock washer
e. Position the engine (25) with assembled
10. Setscrew
23.
Engine mounting bracket
mounting brackets (23 and 24) on the pump frame.
11. Coupling half
24.
Engine mounting bracket
Slide it toward the pump gear case, checking the
12. Key
25.
Engine
alinement of the engine coupling half (11) with the
e. The pump gear case mounting hardware was
damper spider (6) on the gear case coupling half
when  t h e  diaphragm  ring  of  the
removed
(8). If necessary, a d d shims (18, 19, and 20)
diaphragm and plunger assembly was removed.
between the engine mounting brackets and pump
Pull straight out on the pump gear case to remove
frame if necessary to bring the parts into alinement.
it. This will free the damper spider (6) of the
Make sure the centerline of the gear case input
coupling.
shaft is alined with the centerline of the engine shaft
f. Remove the coupling halves (8 and 11) and
and secure the engine mounting brackets (23 and
keys (9 and 12) from the gear case and engine
24) to the pump frame with cap screws (13), flat
shaft.
washers ( 14), nuts (15), lock washers ( 16), and flat
g. Remove the cap screws (13), flat washers
washers ( 17).
(14), nuts (15), lock washers (16), and flat washers
f. R o t a t e t h e e n g i n e  c r a n k s h a f t s e v e r a l
(17 ) that secure the engine mounting brackets (23
revolutions to check that no binding exists between
and 24) to the frame; lift the assembled engine and
the engine and pump gear case.
mounting brackets from the frame.
g. Install the coupling guard (4) over the pump
h. Remove the cap screws ( 21 ) and lock washers
coupling.
(22) that secure the engine mounting brackets (23
h. Install the diaphragm and plunger assembly
and 24) to the engine (25) ; remove the brackets.
on the pump (para 4-20).
5-9. Installation
i. Install the suction and discharge assemblies on
the pump (para 4-16).
a. Position the assembled pump gear case (5, fig.
j. Install the fuel system components on the
5-1) on the pump frame. Position the diaphragm
ring (21, fig. 4-4) on the pump frame. Secure both
parts to the frame with four cap screws (20).

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