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 TM 55-1905-220-14-8
4-7.10A. ENGINE - MAINTENANCE INSTRUCTIONS (Continued)
k. Engine System, Accessories.
Reinstall carburetor, exhaust system, and starter to complete reassembly of engine. Use new gasket or
parts whenever applicable. Tighten screws and nuts to torque value as specified.
Torque Table
Foot-Pounds
Nm
ENGINE
Mounting Bolts
30
40.7
Flywheel Nut
60
81.3
Cylinder Head Nuts
16
21.7
Spark Plugs
20
27.1
Crankcase Bolts
16
21.7
Carburetor Mounting Nuts
3.5
4.8
Intake Manifold Bolts
5 to 6
6.8 to 8.1
Exhaust Manifold Nuts
12
16.3
Fan Shaft Nut
47
63.7
Fan Case Mounting Screws
5
6.8
Starter Mounting Bolts
16 to 18
21.7 to 24.4
Fan Case to Crankcase Mounting Bolts
10 to 12
13.6 to 16.3
Duct to Engine Screws
3
4.1
Stator Assembly Mounting Screws
5 to 6
6.8 to 8.1
Recoil Starter Drive Plate Nut
8 to 10
10.8 to 13.6
Recoil Starter Pulley Mounting Bolts
5
6.8
Recoil Starter Mounting Bolts
5
6.8
Carburetor Ram Tube Screws
8
10.8
Exhaust Assembly
12
13.6
PRIMING PUMP
Priming Pump Mounting (Belt Tension
Assembly)
7
9.5
Priming Pump Assembly Capscrews
7
9.5
PUMP
Cover Nuts
14
19.0
Impeller Screw
70
94.9
Pump Mounting Bolts
24
32.5
4-405
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