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Fig. 7.2
Table C: Replacement Parts and Torque Specifi cations
Drivelines
Name
Description
Wing-Style
Capscrew
1/2-20 x 2-1/2"
Permalube
1/2-20 x 1-1/2"
3/8-24
7/16-20
Jam Nut
1/2" H.D.
Driveline
NOTE: You may install either the slip yoke or weld yoke driveline
end fi rst when following the instructions below. After you install one
driveline end, repeat these steps to install the opposite end of the
driveline.
1.
Support the driveline.
2.
Tap the bearing cups lightly with a brass or copper hammer to
seat the bearing cups into the end yoke.
NOTE: Any time a universal joint is disconnected, new capscrews
must be used during reassembly.
3.
Install the four new capscrews and lock washers that attach
the universal cross to the end yoke. Figure 7.1.
NOTE: Capscrews have a "lock patch" and can be hand-tightened
only two or three threads.
4.
Hand-tighten the capscrews to the yoke pilot.
5.
Use a torque wrench to alternately tighten the capscrews to
Meritor's driveline torque specifi cations. Refer to Table C and
Figure 7.2.
6.
Repeat Step 1 to Step 5 to install the opposite driveline end.
(16579)
Printed in USA
Lubrication
Universal Joint
Wing-style universal joints can be greaseable or non-greaseable.
Non-greaseable Permalube universal joints do not have grease
fi ttings.
Wing-Style Permalube Universal Joints (Non-Greaseable)
Wing-Style Permalube universal joints are permanently lubricated
with grease developed with specifi c wear and temperature
properties. However, you must periodically lubricate the slip yoke
splines. Refer to Table G and Slip Yoke Splines for specifi cations
and maintenance procedures.
Wing-Style Universal Joints (Greaseable)
Wing-style greaseable universal joints have grease fi ttings and
Torque Specs
are not permanently lubricated. Refer to Table G. To lubricate
lb-ft (Nm)
greaseable universal joints, follow the procedures provided for the
115-135
Full-Round driveline in Section 6.
(155-183)
40-55 (54-74)
Slip Yoke Splines
63-83 (85-112)
63-83 (85-112)
NOTE: When you lubricate a slip yoke, the splined shaft can be
either fully extended or fully collapsed.
The slip yoke splines are not permanently lubricated and must be
greased periodically.
Add Meritor specifi cation O-634-B, NLGI Grade 2 with EP additive
to the slip yoke grease fi tting. Six to eight pumps or approximately
one oz (28 grams) is suffi cient to lube the splines. Figure 7.3.
Fig. 7.3
Copyright Meritor, Inc., 2021
7
Wing-Style Permalube
CAUTION
Do not remove the grease plugs from the cross in an attempt to
add additional grease. Damage to the universal joint can result.
MM-96147 / Revised 03-21
Page 49
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