REAR PLANETARY GEAR INSPECTION

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Radial Needle Bearing Inspection (in Pinion Gear)

1.  Place the rear planetary gear with the front internal gear side pointing upward on a workbench.

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2.  Rotate the pinion gears by hand and verify that there is no malfunction in the radial needle bearing in the pinion gear (rotation sticking).

Caution

•  Verify all of the pinion gears.

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•  If there is a malfunction, disassemble the rear planetary gear and replace the rear planetary carrier with a new one.

(See REAR PLANETARY GEAR DISASSEMBLY.)

(See REAR PLANETARY GEAR ASSEMBLY.)

Thrust Needle Bearing Inspection

1.  Place the rear planetary gear with the front internal gear side pointing upward on a workbench.

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2.  Assemble the rear sun gear to the rear planetary gear.

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3.  With a load applied by hand to the rear sun gear, rotate the rear sun gear and verify that there is no malfunction in the thrust needle bearing (rotation sticking).

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•  If there is a malfunction, disassemble the rear planetary gear and replace the rear planetary carrier with a new one.

(See REAR PLANETARY GEAR DISASSEMBLY.)

(See REAR PLANETARY GEAR ASSEMBLY.)

4.  Remove the rear sun gear.

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Pinion Washer Inspection

Pinion washer visual inspection

1.  Visually verify that all of the following washers are between the pinion gear and planetary carrier for one pinion gear.

Caution

•  Verify all of the pinion gears.

―  Copper washer (outer side): 2

―  Iron washer (inner side): 2

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•  Even if one of the washers is damaged, disassemble the rear planetary gear and replace the rear planetary carrier with a new one.

(See REAR PLANETARY GEAR DISASSEMBLY.)

(See REAR PLANETARY GEAR ASSEMBLY.)

Pinion washer wear inspection

1.  Place the rear planetary gear with the front internal gear side pointing downward on a workbench.

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2.  Measure the gap between the pinion washer and planetary carrier.

Caution

•  Measure all of the pinion gears.

Note

•  Recommended measuring instrument: Thickness gauge

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•  If it is more than the maximum specification, disassemble the rear planetary gear and replace the rear planetary carrier with a new one.

(See REAR PLANETARY GEAR DISASSEMBLY.)

(See REAR PLANETARY GEAR ASSEMBLY.)