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Torque Specifications of a John Deere 757 Riding Lawn Mower
Torque Specifications of a John Deere 757 Riding Lawn Mower. Maintaining a John Deere 757 riding lawn mower is an important part of ownership. Knowing how much to tighten each bolt and nut on the mower will ensure it runs smoothly. John Deere's 757 riding lawn mower features a Kawasaki FH721D engine, and specific torque pressure must be used to...
Maintaining a John Deere 757 riding lawn mower is an important part of ownership. Knowing how much to tighten each bolt and nut on the mower will ensure it runs smoothly. John Deere's 757 riding lawn mower features a Kawasaki FH721D engine, and specific torque pressure must be used to keep all engine parts working under manufacturer specifications. Each of the following torque specifications are in pounds per foot.
Fuel System Torque Specifications
Choke valve screw: 8.4 inches/foot pounds
Throttle valve screws: 8.4 inches/foot pounds
Main jet plug: 13 foot pounds
Carburetor drain screw: 18 inches/foot pounds
Fuel shut-off solenoid valve: 14 foot pounds
Float chamber mounting screw 35 inches/foot pounds
Governor arm clamp nut: 69 inches/foot pounds
Governor shaft plate screws: 17 foot pounds
Carburetor and intake pipe mounting bolts and nuts: 52 inches/foot pounds
Intake manifold mounting bolts: 52 inches/foot pounds
Air cleaner body mounting bolts: 52 inches/foot pounds
Control panel mounting bolts: 52 inches/foot pounds
Cooling System and Engine Torque Specifications
Screen bolts: 52 inches/foot pounds
Engine-shroud bolt (M8): 61 inches/foot pounds
Engine-shroud bolts (M6): 52 inches/foot pounds
Cylinder head bolts: 21 foot pounds
Valve clearance lock screws: 61 inches/foot pounds
Connecting rod big end cap bolts: 87 inches/foot pounds
Rocker arm bolts: 21 foot pounds
Rocker cover mounting bolts: 61 inches/foot pounds
Muffler flange nuts: 11 foot pounds
Spark plugs: 16 foot pounds
Lubrication System Torque Specifications
Plastic engine drain plugs: 61 inches/foot pounds
Metal engine drain plug: 14.5 foot pounds
Plastic engine drain plug joint: 12 foot pounds
Metal engine drain plug joint: 29 foot pounds
Oil pressure switch: 87 inches/foot pounds
Oil pump cover plate mounting bolts: 52 inches/foot pounds
Camshaft, Crankshaft and Electrical System Torque Specifications
Crankcase cover bolts: 19 foot pounds
Breather chamber cover bolts: 51 inches/foot pounds
Stator coil screws: 30 inches/foot pounds
Flywheel bolt: 41 foot pounds
Fan housing bolts: 61 inches/foot pounds
Fan housing bolts (M6): 52 inches/foot pounds
Screen bolts: 52 inches/foot pounds
Regulator screws: 30 inches/foot pounds
Ignition coil bolts: 52 inches/foot pounds
Starter motor mounting bolts: 11 foot pounds
Spark plugs: 16 foot pounds
