1-S10
L2800, L3400, WSM
ENGINE
3. TIGHTENING TORQUES
Tightening torques of screws, bolts and nuts on the table below are especially specified.
(For general use screws, bolts and nuts : See page G-9.)
• For “ * “ marked screws, bolts and nuts on the table, apply engine oil to their threads and seats before
tightening.
• The letter “M” in Size x Pitch means that the screw, bolt or nut dimension stands for metric. The size is
the nominal outside diameter in mm of the threads. The pitch is the nominal distance in mm between two
threads.
W1013236
Item Size x Pitch N·m kgf·m ft-lbs
Starter's B terminal mounting nut M8 7.8 to 9.8 0.8 to 1.0 5.8 to 7.2
Steering wheel mounting nut M12 × 1.25 29.4 to 49.0 3.0 to 5.0 21.7 to 36.2
3P delivery pipe joint bolt – 49 to 69 5.0 to 7.0 36.1 to 50.6
Power steering delivery pipe joint bolt – 34 to 39 3.5 to 4.0 25.3 to 28.9
Muffler mounting screw – 31.4 to 37.2 3.2 to 3.8 23.1 to 27.5
Engine mounting screw M10 × 1.25 48.1 to 55.8 4.9 to 5.7 35.4 to 41.2
Front axle frame mounting screw to
engine
M12 × 1.25 102.9 to 117.6 10.5 to 12.5 76.0 to 86.8
Clutch mounting screw and reamer
screw
M8 × 1.25 23.5 to 27.5 2.4 to 2.8 17.4 to 20.3
* Cylinder head bolt M11 × 1.25 93.1 to 98.0 9.5 to 10.0 68.7 to 72.3
Cylinder head cover cap nut M8 × 1.25 6.9 to 11.3 0.7 to 1.15 5.1 to 8.32
Injection pipe retaining nut M12 × 1.5 24.5 to 34.3 2.5 to 3.5 18.1 to 25.3
Nozzle holder assembly M20 × 1.5 49.0 to 68.6 5.0 to 7.0 36.2 to 50.6
Overflow pipe assembly retaining nut – 19.6 to 24.5 2.0 to 2.5 14.5 to 18.1
Glow plug M10 × 1.25 19.6 to 24.5 2.0 to 2.5 14.5 to 18.1
* Rocker arm bracket nut M8 × 1.25 23.5 to 27.5 2.4 to 2.8 17.4 to 20.3
* Crankshaft nut M30 × 1.5 137.3 to 156.9 14.0 to 16.0 101.3 to 115.7
* Idle gear shaft screw M8 × 1.25 23.5 to 27.5 2.4 to 2.8 17.4 to 20.3
* Connecting rod screw M8 × 1.0 44.1 to 49.0 4.5 to 5.0 32.5 to 36.2
* Flywheel screw M12 × 1.25 98.0 to 107.8 10.0 to 11.0 72.3 to 79.5
* Main bearing case screw 2 M10 × 1.25 68.6 to 73.5 7.0 to 7.5 50.6 to 54.2
* Main bearing case screw 1 M9 × 1.25 46.1 to 50.9 4.7 to 5.2 34.0 to 37.6
Oil Switch taper screw PT 1/8 14.7 to 19.6 1.5 to 2.0 10.8 to 14.5
Nozzle holder – 34.3 to 39.2 3.5 to 4.0 25.3 to 28.9
Tractor Manuals Scotland - Please Do Not Copy