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NOTE:    If the tips of the throttle plate screws have been flared out ex cessively by staking, it is ad visable to file off the flared-out portion to avoid damaging the threads in the throttle shaft when removing the screws. Be careful not to damage the throttle shaft while filing the screws.

Picture
Picture
 

1

Pump rod pin

 

2

Pump rod extension

11

3

Pump rod

11

4

Pump spring

11

5

Pump spring washer

11

6

Pump piston and stem assembly*

 

7

Main nozzle

 

8

Main nozzle gasket*

12

9

Float chamber drain plug

12

10

Drip plug

 

11

Main jet passage plug

 

12

Main jet passage plug gasket*

13

13

Main jet*

 

14

Choke shaft nut

 

15

Choke shaft nut lockwasher

 

16

Choke lever hub

 

17

Choke lever and swivel assembly

 

18

Choke pin and lever assembly

 

19

Choke bracket screw

 

20

Choke bracket screw lockwasher

 

21

Choke bracket assembly

 

22

Choke plate screws (2)*

 

23

Choke plate

 

24

Choke shaft

 

25

Pump check valve retainer*

 

26

Pump inlet ball check valve*

 

27

Power valve*

 

28

Power valve gasket*

14

29

Pump discharge valve retainer*

 

30

Pump discharge needle valve*

 

31

Pump operating rod felt seal

   

retainer*

 

32

Pump operating rod felt seal*

Discard parts marked with an asterisk (*) upon removal, as replacement parts for these items will be found in the Master Repair Kit.

d. Disassembly - lower body - Figure 10

The following list contains the component parts of the lower body assembly in the order in which they are removed.

Remove the pump operating rod pin (1) with a narrow blade screwdriver and slide the pump rod extension (2) out of the body casting.

FIGURE 9 - REMOVING THROTTLE SHAFT AND PACKINGS

(13)   Remove the throttle shaft (28) and the felt packing (27). Discard the felt.

(14)    Remove the distributor passage plug (29).

If it is necessary to remove the float lever bracket, place a 5/8" steel block between the arms of the bracket, clamp the arms and block securely in a vise, and drive off the casting with a fiber mallet.


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