8
Specifi cations
KohlerEngines.com 16 690 01 Rev. --
TORQUE SPECIFICATIONS
3,5
ZT710 ZT720 ZT730 ZT740
Crankcase
Breather Assembly
Breather Reed Cover Stud
Breather Reed Cover Hex Nut
Breather Cover Fastener
6.2 N·m (55 in. lb.) into new hole
4.0 N·m (35 in. lb.) into used hole
1.3 N·m (12 in. lb.)
8.5 N·m (75 in. lb.) into new hole
4.0 N·m (35 in. lb.) into used hole
Oil Drain Plug 13.6 N·m (10 ft. lb.)
Cylinder Head
Head Bolt Fastener (torque in 2 increments) fi rst to 22.6 N·m (200 in. lb.)
fi nally to 41.8 N·m (370 in. lb.)
Rocker Arm Stud 11.3 N·m (100 in. lb.)
Rocker Arm Adjuster Setscrew 7.9 N·m (70 in. lb.)
Flywheel
Retaining Screw 74.5 N·m (55 ft. lb.)
Fuel Pump
Screw 2.8 N·m (25 in. lb.)
Governor
Lever Nut 6.8 N·m (60 in. lb.)
Ignition
Spark Plug 27 N·m (20 ft. lb.)
Module Fastener 4.0-6.2 N·m (35-55 in. lb.)
Rectifi er-Regulator Fastener 4.0 N·m (35 in. lb.)
Intake Manifold
Mounting Fastener (torque in 2 increments) fi rst to 7.4 N·m (66 in. lb.)
fi nally to 9.9 N·m (88 in. lb.)
Muffl er
M8 Hex Nuts 24.4 N·m (216 in. lb.)
5/16-18 Capscrew 16.9 N·m (150 in. lb.)
Bracket Screw 9.9 N·m (88 in. lb.)
Oil Pan
Fastener 24.4 N·m (216 in. lb.)
Oil Pump
Screw (no torque sequence) 9.9 N·m (88 in. lb.)
Oil Sentry
™
Pressure Switch 4.5 N·m (40 in. lb.)
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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