Austro Engine E4 Series - Page 142

E4 Series
Maintenance Manual
Standard
Procedures
Page 2
E4.08.04
Rev.29
70 – Standard Procedures
01-Jul-2020
Inch Thread
Torque (Nm)
Torque (lbf.ft)
1/4
11
8
5/16
23
17
3/8
41
30
7/16
68
50
½
102
75
9/16
149
110
5/8
203
150
3/4
366
270
Table 1 Standard Torque Values for Bolts and Nuts
Taper Thread
Torque (Nm)
Torque (lbf.ft)
1/16 - 27 NPT
4.5
3.3
1/8 - 27 NPT
4.5
3.3
1/4 - 18 NPT
9.5
7
3/8 - 18 NPT
12.3
9
1/2 - 14 NPT
18
13.3
3/4 - 14 NPT
26
19
Table 2 Standard Torque Values for Pipe Plugs
Tube Size
Thread
Torque (Nm)
Torque (lbf.ft)
(-4) 1/4
7/16 - 20
11 - 16
7 -11
(-6) 3/8
9/16 - 18
17 - 22
11 - 16
(-10) 5/8
7/8 - 14
41 - 48
30 - 36
Table 3 Standard Torque Values for Flexible Hose (or Tube) Connections
Item
Thread
Torque (Nm)
Torque (lbf.ft)
Oil Filter
-
25
18.5
Gearbox distance bolts
28 ± 3
20.6 ± 2.2
Coolant silicate pouch
Cartridge
-
32.5 ± 2.5
24.0 ± 1.8
Coolant tank filler cap
-
12-15
8.85 - 11.06
Pressure relief valve
-
12-15
8.85 - 11.06
Coolant level sensor
Loctite 243
O-Ring
25-30
18.44 - 22.13
Table 4 Special Torque Values