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6
Prepare Parts for Assembly
Figure 6.10
• Chipped or severely worn shifting splines on the input
gears.
• Chipped or cracked splines on the output gears.
Shafts
Inspect the input and output shafts for damage to the gear journals,
shifting splines, threads and gear retaining splines. If any of the
following conditions exist, replace the shaft.
• Deep gouges or metal transfer along the input shaft
journals.
METAL
TRANSFER
Figure 6.11
• Chipped or worn shifting splines on the input shaft.
• Chipped or cracked splines on the output shaft.
MM-0861 / Revised 06-22
Page 58
4000296a
Figure 6.12
• Cracks along the yoke splines, bearing journal abutments,
or cross-drilled holes. Magnaflux may be necessary to see
small cracks.
PTO Components
Inspect the PTO housing, shaft, taper bearings, shift collar, shift
fork, and sensors for damage. If any of the following conditions
exist, replace the component.
• Cracks in the housing.
• Cracks along the shaft yoke spline or ball bearing
abutment. Magnaflux may be necessary to see small
cracks.
• Chipped or cracked shifting splines on the shift collar or
shaft.
• The rollers of the taper bearings do not roll easily or lack
lubrication. The raceway is cracked or dented.
• Cracked or missing tangs on the shift fork arms.
• The sensor ball sticks or does not return to its resting
position. The sensors do not complete a circuit when tested
with a volt-ohm meter (VOM).
• Check all shift forks and slots in sliding clutches for wear or
4000297a
discoloration due to heat.
High and Low Shifting Components
Inspect the shift collar, shift fork, shift shaft, retaining pins, shift
cylinder, piston, o-ring and case halves for damage. If any of the
following conditions exist, replace or repair the component.
• Cracked or missing tangs on the shift fork arms.
• Chipped or cracked shifting splines on the shift collar.
• Cracks or deep gouges on the shift shaft.
Copyright Meritor, Inc., 2022
CHIPPED
SPLINES
4000298a
Printed in USA
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