TM 55-1930-209-14&P-21
5-43 Governor removal and disassembly
a.
Removal
(1)
Disconnect throttle rod and booster spring from speed control lever.
(2)
Disconnect retaining spring from stop lever. Also disconnect any linkage attached to stop lever.
(3)
Remove four screws from cover, lever retaining spring, governor cover and gasket from governor
housing.
(4)
Refer to figure 5-18 and disconnect rods from the stop lever and speed control lever.
(5)
Disconnect oil tube at governor weight housing, or cover, if used.
(6)
Remove two governor-to-cylinder head bolts.
(7)
Remove control housing from cylinder head and weight housing.
(8)
Remove six governor weight housing-to-blower bolts; then withdraw housing from blower.
(9)
Disconnect fuel lines from fuel pump. Remove fuel pump from governor weight housing.
(10)
Disconnect lubricating oil tube from control housing and governor weight housing.
(11)
Withdraw five bolts from weight housing and two bolts from control housing. Remove governor and
gaskets from engine.
(12)
Remove fuel rod from differential lever.
b.
Install Governor
(1)
Affix a new governor-to-blower gasket to governor weight housing. Refer to Figure 6-15 and start splined
end of weight shaft into upper blower rotor and position housing against blower end plate.
(2)
Place a new copper gasket on each weight housing-to-blower bolt and thread bolts into blower end plate;
finger tighten only.
(3)
Place a new gasket over dowels and against side of weight housing facing engine.
(4)
Move thrust bearing assembly and riser toward weight end of shaft.
(5)
Refer to Figure 5-18 and position the lower end of control housing over dowel pins of weight housing.
NOTE
The finished surface of operating fork must be placed against outer side of thrust bearing.
(6)
Use new gasket and attach governor control housing to cylinder head with two bolts (Figure 5-18). Tighten
bolts.
5-56
