TM 10-4320-318-14
6-4. MAINTENANCE OF CAM FOLLOWERS, CRANKSHAFT GEAR, AND GOVERNOR - (Cont)
(a) Install extractor (2) on crankshaft gear (1).
(b) Remove crankshaft gear (1).
(3) Remove governor as follows:
(a) Remove pin (6, Figure 6-5) from each end of shaft (7).
(b) Loosen nut (8) and remove setscrew (9).
(c) Remove nut (10), speed control lever (11), nut (12), and friction disc (13).
(d) Remove nut (14). Press out shaft (7) from crankcase (19).
(e) Remove O-ring (15) and spring washer (16).
(9 Remove governor lever (17) with governor spring (18).
b. INSTALL.
(1) Install governor as follows:
(a) Mount governor spring (18, Figure 6-5) on governor lever (17).
NOTE
Correct position of governor spring (18) has loop hole pointing upwards.
(b) Insert both governor spring (18) and governor lever (17) into crankcase (19).
(c) Install spring washer (16) and O-rings (15) on shaft (7).
(d) Install shaft (7) into crankcase (19). Install nut (14).
(e) Install friction disc (13), nut (12), speed control lever (11), and nut (10).
(f) Install pins (6) into loop holes of governor spring (18) and into shaft (7).
(9) Install setscrew (9) with nut (8). Tighten nut (8). Make sure governor lever does not lock on shaft
(7).
(2) Install crankshaft gear as follows:
WARNING
Wear gloves to handle heated parts. Heated parts may burn hands.
(a) Preheat crankshaft gear to 160-175°F (70-80 °C).
(b) Install crankshaft gear onto crankshaft with aid of impact mandrel (Figure 6-8).
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