Specifi cations
1524 690 01 Rev. K KohlerEngines.com
TORQUE SPECIFICATIONS
3,5
ECH630-ECH680 ECH730-ECH749 CH26 CH735 CH745
Ignition (continued)
Crankshaft Position Sensor
Earlier Design Bracket
Crankshaft Position Sensor to Bracket
Screw 11.3 N·m (100 in. lb.)
Crankshaft Position Sensor Bracket to
Crankcase Screw 8.3 N·m (73 in. lb.)
Crankshaft Position Sensor
Later Design Bracket
Crankshaft Position Sensor to Bracket
Screw 6.8 N·m (60 in. lb.)
Crankshaft Position Sensor Bracket to
Crankcase Screw 7.3 N·m (65 in. lb.)
Intake Manifold
Fastener (torque in 2 increments) fi rst to 7.8 N·m (69 in. lb.)
fi nally to 10.5 N·m (93 in. lb.)
fi rst to 7.4 N·m (66 in. lb.)
fi nally to 9.9 N·m (88 in. lb.)
Manifold Absolute Pressure (MAP)
Sensor Fastener (Engines with
Separate MAP and Intake Air
Temperature Sensors)
7.3 N·m (65 in. lb.)
Temperature/Manifold Absolute
Pressure (TMAP) Sensor Fastener
(Engines with Combined Sensor)
7.3 N·m (65 in. lb.)
Air Cleaner to Throttle Body Fastener
Nut
8.2 N·m (73 in. lb.)
Heavy-Duty Air Cleaner Mounting
Bracket Fastener
5.8 N·m (51 in. lb.)
Fuel Injector Cap Fastener 7.3 N·m (65 in. lb.)
Muffl er
Retaining Nut 27.8 N·m (246 in. lb.) 24.4 N·m (216 in. lb.)
Oxygen Sensor 50.1 N·m (37 ft . lb.)
Oil Cooler
Oil Cooler/Adapter Nipple 28.5 N·m (21 ft . lb.) 27 N·m (20 ft. lb.)
Fastener
Into Blower Housing
Between Oil Cooler Hoses
2.8 N·m (25 in. lb.)
2.3 N·m (20 in. lb.)
Speed Control Bracket
Fastener Assembled to Cylinder Heads 10.7 N·m (95 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
Fastener Assembled to Blower Housing 2.8 N·m (25 in. lb.) into new holes
2.3 N·m (20 in. lb.) into used holes
Fastener Torque 10.7 N·m (95 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
3
Values are in Metric units. Values in parentheses are English equivalents.
5
Lubricate threads with engine oil prior to assembly.
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