Kohler Command PRO EFI ECH749 [14/180] Specifi cations
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Kohler Command PRO EFI ECH749 [14/180] Specifi cations

Kohler Command PRO EFI ECH749 [14/180] Specifi cations
Specifi cations
14 24 690 01 Rev. OKohlerEngines.com
TORQUE SPECIFICATIONS
3,5
ECH630-ECH680 ECH730-ECH749 CH26 CH735 CH745
Crankcase
Breather Cover Fastener 11.3 N·m (100 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
Engine Temperature Sensor (into
breather cover)
7.3 N·m (65 in. lb.)
Oil Sentry
TM
(into breather cover) 4.5 N·m (40 in. lb.)
Oil Drain Plug 13.6 N·m (10 ft . lb.)
Cylinder Head
Hex Flange Nut (torque in 2
increments)
Head Bolt (torque in 2 increments)
fi rst to 16.9 N·m (150 in. lb.)
fi nally to 33.9 N·m (300 in. lb.)
fi rst to 22.6 N·m (200 in. lb.)
fi nally to 41.8 N·m (370 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.)
ETB Cover (LPAC)
Fastener 5.6 N·m (50 in. lb.)
Fan/Flywheel
Fan Fastener 9.9 N·m (88 in. lb.)
Flywheel Retaining Screw 71.6 N·m (52.8 ft . lb.) 66.4 N·m (49 ft. lb.)
Metal Debris Screen Fastener (to
fl ywheel)
9.9 N·m (88 in. lb.)
Plastic Debris Screen Fastener (to fan) 4.0 N·m (35 in. lb.)
Fuel Pump
Module Baffl e Fastener 11.9 N·m (105 in. lb.)
Module Fastener 9.2 N·m (81 in. lb.)
Pulse Pump Bracket Fastener 2.1 N·m (25 in. lb.)
Pulse Pump Fastener to Bracket 7.3 N·m (68 in. lb.) into new holes
6.2 N·m (55 in. lb.) into used holes
Governor (if equipped)
Lever Nut 7.1 N·m (63 in. lb.) 6.8 N·m (60 in. lb.)
Speed Control Assembly
Assembled to Cylinder Heads
Assembled to Blower Housing
10.7 N·m (95 in. lb.)
2.8 N·m (25 in. lb.)
Ignition
Spark Plug 27 N·m (20 ft. lb.)
Coil Fastener 10.2 N·m (90 in. lb.)
Ignition Module Fastener Torque 4.0-6.2 N·m (35-55 in. lb.)
Electronic Control Unit Screw 6.2 N·m (55 in. lb.)
Rectifi er-Regulator Ground Strap/
Ground Lead Fastener (into backing
plate) (Standard Charging System)
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
(Standard Charging System)
5.6 N·m (50 in. lb.) into new holes
4.0 N·m (35 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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