Specifi cations
7
24 690 31 Rev. D
KohlerEngines.com
TORQUE SPECIFICATIONS
3,5
PCV680, PCV740
Crankcase
Breather Cover Fastener
11.3 N·m (100 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
Oil Temperature Sensor (into breather cover)
7.3 N·m (65 in. lb.)
Oil Drain Plug
13.6 N·m (10 ft. lb.)
Cylinder Head
Hex Flange Nut (torque in 2 increments)
fi rst to 16.9 N·m (150 in. lb.)
fi nally to 33.9 N·m (300 in. lb.)
Rocker Arm Screw
Black Screw (M6x1.0x34)
Silver Screw (M6x1.0x45)
18.1 N·m (160 in. lb.)
13.6 N·m (120 in. lb.)
Fan/Flywheel
Flywheel Retaining Screw
71.6 N·m (52.8 ft. lb.)
Metal Debris Screen Fastener (to fl ywheel)
9.9 N·m (88 in. lb.)
Fuel Vaporizer/Regulator/Lock-Off
Regulator to Bracket Nut
19.8 N·m (175 in. lb.)
Regulator Bracket Mounting Screw
11.9 N·m (105 in. lb.)
Lock-Off Valve Body Nut
6.5 N·m (57 in. lb.)
Lock-Off Valve Body
20 N·m (177 in. lb.)
Fuel Outlet Fitting Mounting Screws
2.9 N·m (26 in. lb.)
Fuel Inlet Fitting
20 N·m (177 in. lb.)
Governor
Lever Nut
7.1 N·m (63 in. lb.)
Ignition
Spark Plug
27 N·m (20 ft. lb.)
Coil Fastener
10.2 N·m (90 in. lb.)
Electronic Control Unit Screw
6.2 N·m (55 in. lb.)
Rectifi er-Regulator Ground Strap/Ground Lead Fastener
(into backing plate)
2.8 N·m (25 in. lb.) into new holes
2.3 N·m (20 in. lb.) into used holes
Rectifi er-Regulator Ground Lead Fastener to Ground
Lug/Backing Plate
5.6 N·m (50 in. lb.) into new holes
4.0 N·m (35 in. lb.) into used holes
Rectifi er-Regulator Fastener
1.4 N·m (12.6 in. lb.)
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.)
3
Values are in Metric units. Values in parentheses are English equivalents.
5
Lubricate threads with engine oil prior to assembly.
