Mack Driveshaft Service Manual Test

The system/Truck is based on a NUMERICAL CODE, the first digit identifies the general component groups. What group is the is the cab and body?

• 100

• 300

• 600

• 700

What does SU (Alpha code) tell us with our numerical code chart?

• U-Joint,Propeller shaft, Rear

• U-Joint,Propeller shaft,Front

• Spicer U-Joint

• Steering and Suspension

What is number 5 in the Figure 1 Drivershaft with center bearing?

• Driveshaft tube

• Driveshaft extension

• Slip yoke

• Spline shaft

What is number 5 in Figure 2 Driveshaft Assembly?

• Slip yoke

• Flange yoke

• Cross and bearings

• Dust cap and washer

Visual identification of the universal joints is somewhat difficult. The easiest was is to measure across the yoke lugs.

• True

• False

The ArvinMeritor™ 92N, which is comparable to the Spicer 1830, has four wing bearings. The Spicer has two wing bearings and two caps and bearing assemblies. Both use the same end yokes.

• True

• False

On the chart on page 17, what is the Full round lug span in MM for a 1710 Spicer U-Joint?

• 134.92

• 177.8

• 154.76

• 212.85

When a driveshaft requires three or more

universal joints, a center bearing is used.

• False

• True

All current production center bearings use a hard rubber (honeycombed) housing.

• True

• False

Talking center bearings, The P equals ____ inch increments and the M equals ____ mm Increments.

• 10 & 3/8

• 1/4 & 12

• 3/8 & 10

• 5/16 & 14