PREVOST X3-45 Multiplex - Table 3-1. Torque Values

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Table 3-1. Torque Values
SIZE
D
I
A
M
E
T
E
R
THREADS
TORQUE RANGE
U
S
A
G
E
DIAMETER
(INCHES)
T
H
R
E
A
D
S
PER INCH
FT-LB MKG
U
S
A
G
E
1/16 27 (pipe) 5.5to7 0.8to1.0 Crankshaft Center Web Plug
1/8 27 (pipe) 8to16 1.1to2.2 Oil Return Check Valve -- Crankcase
7/16 20 8to14 1.1to1.9 Oil Fill/Drain Plug
1/4 20 (pipe) 20 to 25 2.8to3.5 Pipe Plug -- Gauge Connection
1
/
4
2
0
8to12 1.1to1.7 Connecting Rod Capscrew
1
/
420
10 to 13 1.4to1.8 Connecting Rod Counter Weight
5.5to7 0.8to1.0 Crankshaft Setscrew
1/4 28
8to18 1.1to2.5 Unloader Valve
1
/
4
2
8
12 to 16 1.7to2.2 Discharge Valve Backer
5
/
1
6
1
8
16 to 20 2.2to2.8 Cover -- Oil Pump
5
/
16 18
20 to 30 2.8to4.1 Discharge Service Valve
8to15 1.1to2.1 Oil Reservoir
Bottom Plate -- Crankcase
3
/
8
1
6
3
0
t
o
5
0
4
1
t
o
6
9
End Flange -- Crankcase
3
/
81630 to 50 4.1to6.9
Shaft Seal Cover
Pump End Bearing Head
42 to 55 5.8to7.6 Cylinder Head
1/2 13 55 to 80 7.6to11.1 Suction Service Valve
1--1/2 18 NEF 35 to 50 4.8to6.9 Oil Level Sight Glass
NEF - National Extra Fine