Installation - TM-5-4320-251-140037

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

pump (para 4-12).

ring (21, fig. 4-4) on the pump frame. Secure both

parts to the frame with four cap screws (20).

5-3