SAE AS 1857A:2002 pdf download FITTING END, NON-REVERSIBLE, FLARELESS TUBE CONNECTION, OVERSIZE THREAD
1. Scope—Although not limited to, these flywheels are normally used on trucks considered as Medium-Duty (Class 6 and 7), as well as Heavy-Duty (Class 8) trucks. 1.1 Purpose—This SAE Recommended Practice defines flywheel configurations to promote standardization of clutch installation and mounting dimensions for flywheels used with pull type single- and twin-plate truck clutches.
2. References
2.1 Applicable Publications—The following publications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply.
2.1 .1 SAE P UBLICATIONS —Available from SAE, 400 Commonwealth Drive, Warrendale, PA 1 5096-0001 . SAEJ1 033—Procedure for Measuring Bore and Face Runout of Flywheels, Flywheel Housings, and Flywheel Housings Adapters
SAE J1 731 —Pilot Bearings for Truck and Bus Applications
SAE J1 806—Clutch Dimensions for Truck and Bus Applications 3. Flywheel Specifications—This section covers recommended flywheel dimensional specifications for several different clutch and flywheel combinations. Unless otherwise specified, dimensions listed are nominal. This document applies to new flywheels and does not attempt to provide service machining limits for remachined flywheels.
3.1 Flat Type Flywheels for Use with 14-in Single- and Twin-Plate Clutches (Typically Medium-Duty Applications)—See Table 1 and Figure 1 .
SAE AS 1857A:2002 pdf download
