The rear axle is attached to the body by support arms (1), a torque arm (2) and a torque arm frame (3). A panhard rod (4) is also installed between the rear axle and the crossmember, while an anti-roll bar (5) is mounted between the support arms.
Final Drive
The following final drive ratios are available: 3.31:1, 3.54:1, 3.73:1, 3.91:1, and 4.10:1. The unit is of the hypoid bevel type, in which the shape of the spiral gear teeth permits the pinion to be located below the centre of the crown wheel (ring gear) affording quieter operation and stronger teeth. Power is transmitted by rolling and sliding action between the teeth under high pressure.
The design imposes high demands on the lubricating oil, a special grade of which must be used.
The final drive consists of the pinion, crown wheel and differential. The differential consists of two differential pinions (or side pinions) in constant engagement with two differential gears (side gears), all of the bevel type with straight teeth. The gear set is contained in a differential housing (cage), which is supported in the rear axle casing in tapered roller bearings.
The differential housing is driven by the crown wheel and pinion.
The backlash of the gears and take-up of the differential housing bearings are adjusted by means of shims located on the inner side of the bearings.
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Tuesday, May 18, 2010
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