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TM 10-4320-351-14
6.3.15 Remove Governor Assembly and Speed Control.
This task consists of:
a. Removal
INITIAL SET-UP:
Tools:
Materials/Parts Required:
Socket, Socket Wrench, 10 mm
None
(Appendix B, Section III, Item 3)
Handle, Socket Wrench, Ratchet, 3/8" Drive
(Appendix B, Section III, Item 3)
Pliers, Needle Nose
(Appendix B, Section III, Item 3)
Key, Socket Head Screw, 8 mm
(Appendix B, Section III, Item 3)
Equipment Condition:
Magnetic Retrieval Tool
Oil pan removed (para. 6.3.1)
(Appendix B, Section III, Item 3)
Fuel control cover removed (para. 6.3.8)
Combination Wrench, 19 mm
(Appendix B, Section III, Item 3)
Screwdriver, Flat Blade, Large
(Appendix B, Section III, Item 3)
Refer to figure 6-15.
a.
Position crankcase with oil sump facing up.
b.
Remove governor arm retaining clip (1) securing governor spring (2) to governor arm (3); remove governor spring
from governor arm. Remove other end of governor spring (2) from speed control lever (inside crankcase) (4).
c.
Partially extend camshaft out of crankcase for easier access to governor assembly.
d.
Remove engine governor plug (5) and washer (6).
e.
Using a magnetic retrieval tool, remove the governor journal (7) from crankcase.
f.
Remove governor (8) with governor joint (9).
g.
From outside crankcase, remove mounting screw (10), flat washer (11), throttle lever (12) and three compression
springs (13).
h.
Remove compression washers (14) and three compression springs (15).
i.
Remove mounting screw (16) and safety plate (17).
j.
Remove and discard inside speed control retaining clip (18).
k.
Remove and discard inside speed control lever O-ring (19). From inside crankcase, remove inside speed control
lever (4).
Refer to figure 6-16.
1.
Remove protective cover (1) from high speed adjustment screw (2). Loosen jam nut (3) and remove set screw (2)
from crankcase.
6-27
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