Figure 3-82. Pump to stand drive shaft engagement.

*TM 9-2815-213-34

Blue represents size 1 (oversize). Standard size

can be used. Minimum 0.001 inch interference fit is

diameter is 0.37460-0.37468 and oversize diameter is

required.

0.37470-0.37478.

(4) To locate a new governor barrel in the housing,

(2) If governor barrel is worn too large for the

scribe a center line on barrel and housing, lining up the

oversize plunger, replace barrel by heating housing in

fuel passages to prevent fuel flow restriction (fig. 3-85).

boiling water 112 to 2 minutes, and press out worn

(5) Heat housing in oven to 300 degrees Fahrenheit.

governor barrel.

(6) Cool barrel in dry ice or by another suitable

method.

CAUTION

(7) Coat new governor barrel with high pressure

Remove spring dowel which secures barrel in

lubricant.

fuel pump, before attempting to remove

(8) Place governor barrel in housing bore lining up

governor barrel. To pull spring dowel, insert

scribe marks, then press barrel into housing with arbor

wire hook into hole provided in dowel and

press.

remove.

(9) Select new governor plunger and fit it in barrel. If

(3) Check barrel bore in housing to determine

plunger enters try larger size plunger. If the larger size

whether standard size barrel (fig. B-17)

plunger fits loosely in bore, replace barrel and plunger.

3-45