Thickness of Reduction Hub

• Measure the thickness with a micrometer.
• If the measurement exceeds the limit, replace the reduction hub.

Standard:  3.05-3.30 mm (0.120-0.130 in)

Allowable limit:  2.5 mm (0.098 in)

Fig 1: Measuring Thickness With A Micrometer

Courtesy of ISUZU MOTOR CO.