TM 5-2420-230-24-2
Component Specifications and Torque Values
Section V - Engine Component Specifications - Group 18
Page V-26
B Series
Component or Assembly (Procedure)
Ref.No./Steps
Metric
U.S.
Pedestal Shaft Diameter
18.938 mm
MIN
0.7456 in
18.975 mm
MAX
0.7470 in
Tappet and Push Rods
Valve Tappet Stem Diameter
15.936 mm
MIN
0.627 in
15.977 mm
MAX
0.629 in
Pit marks on the tappet face are acceptable.
The following criteria defines the size of the pits allowed.
1. A single pit cannot be greater than 2mm [0.078 in] diameter.
2. Interconnection of pits is not allowed.
3. Total pits when added together should not
exceed 6 mm [0.236 inch] diameter or a total of
4 percent of the tappet face.
Fuel System
Air Fuel Control (AFC) Banjo Fitting
(Rotary Pump)
12 Nm
106 in-lb
Air Fuel Control (AFC) Banjo Fitting
(In-Line Pump)
Pipe Adapter (in cylinder head)
24 nm
18 ft-lb
Tube Fittings
9 Nm
7 ft-lb
Fuel Filter Banjo Fittings
Supply Line Fittings
24 Nm
18 ft-lb
Return Line Fitting
13 Nm
10 ft-lb
Vent Screw
9 Nm
7 ft-lb
Fuel Filter Head Adapter
32 Nm
24 ft-lb
L-500