Tightening Torques; Tightening Torques For Special Use Screws, Bolts And Nuts - Kubota EA330-E4 Series Workshop Manual

EA330-E4, WSM

3. TIGHTENING TORQUES

[1] TIGHTENING TORQUES FOR SPECIAL USE SCREWS, BOLTS
AND NUTS
Screw, bolts and nuts must be tightened to the specified torque using a torque wrench.
Several bolts and nuts such as ones used on the cylinder head must be tightened in proper sequence and to the
proper torque.
Item
Cylinder head (Stud)
**Cylinder head (Nut)
**Connecting rod screw
**Flywheel nut
Main bearing case mounting screw /
nut
Crankcase cover mounting screw
Gear case mounting screw
Idle gear shaft screw
Head cover mounting nut
**Rocker arm bracket mounting nut
Oil signal holder
Oil signal / Oil Switch
Oil strainer
Injection pump mounting screw
Nozzle holder Assembly
Nozzle holder
Over flow eye joint pipe mounting nut
Muffler mounting nut
Tension pulley pivot screw
Injection pipe retaining nut
Injection pump eye joint bolt
Glow plug
Glow plug terminal nut
Radiator mounting screw / nut
NOTE
• For "**" marked screws and nuts on the table, apply engine oil to their threads and seats before
tightening.
Size × Pitch N·m
M9 × 1.25 25 to 29
M9 × 1.25 57 to 61
M7 × 0.75 27 to 30
M20 × 1.5 197 to 215
M6 × 1.0 9.81 to 11.2
M6 × 1.0 7.9 to 9.3
M6 × 1.0 9.81 to 11.2
M6 × 1.0 9.81 to 11.2
M7 × 1.0 9.8 to 10
M7 × 1.0 17 to 20
PT 1/8 15 to 19
PT 1/8 6.9 to 9.8
M20 ×x 1.5 25 to 34
M6 × 1.0 9.81 to 11.2
M20 × 1.5 49 to 68
– 35 to 39
M12 × 1.5 20 to 24
M8 × 1.25 24 to 27
M8 × 1.25 20 to 23
M12 × 1.5 25 to 34
M12 × 1.5 25 to 29
M8 × 1.0 7.9 to 14
M4 × 0.7 0.98 to 1.7
M6 × 1.0 5.9 to 7.8
1-S11
kgf·m lbf·ft
2.5 to 3.0 18 to 21
5.8 to 6.3 42 to 45
2.7 to 3.1 20 to 22
20.0 to 22.0 145 to 159
1.00 to 1.15 7.24 to 8.31
0.80 to 0.95 5.8 to 6.8
1.00 to 1.15 7.24 to 8.31
1.00 to 1.15 7.24 to 8.31
1.0 to 1.1 7.3 to 7.9
1.7 to 2.1 13 to 15
1.5 to 2.0 11 to 14
0.70 to 1.0 5.1 to 7.2
2.5 to 3.5 18 to 25
1.00 to 1.15 7.24 to 8.31
5.0 to 7.0 37 to 50
3.5 to 4.0 26 to 28
2.0 to 2.5 15 to 18
2.4 to 2.8 18 to 20
2.0 to 2.4 15 to 17
2.5 to 3.5 18 to 25
2.5 to 3.0 18 to 21
0.80 to 1.5 5.8 to 10
0.10 to 0.18 0.73 to 1.3
0.60 to 0.80 4.4 to 5.7
9Y1211018ENS0003US0
KiSC issued 05, 2015 A
ENGINE