Copyright Meritor, Inc., 2022
MM-0861 / Revised 06-22
Page 86
Printed in USA
8 Power Takeoff (PTO)
BEARING
CUP
4000222a
Figure 8.8
CAUTION
Preheat bearing cones using an oven or inductive bearing heater.
Do not use flame heat which can cause damage or shorten the
life of the bearings.
b. Preheat the first bearing cone to 200°F (93°C) using an oven
or inductive bearing heater. Do not use flame heat. Support
the shaft and slide the heated cone in place onto the output
shaft. Figure 8.9.
4000223a
HOUSING
BEARING
CONE
SHAFT
Figure 8.9
c. Install the shaft assembly into the housing. Slide the bearing
spacer onto the splined end of the shaft.
d. With the bearing spacer in position, preheat the second
bearing cone to 200°F (93°C) using an oven or inductive
bearing heater and install it onto the shaft. Figure 8.10.
4000224a
SPACER
BEARING
CONE
Figure 8.10
e. Support the shaft and apply a press of 50-60 lbs (23-27
kg) to the bearing cone to set the bearing in place while the
bearing cools.
f. Apply a light film of SAE Grade full-synthetic 40W or 50W oil,
Meritor specification O-81.
g. Assemble the shift fork to the clutch collar. Install this unit into
the bearing cage housing.
h. Install the push rod into the housing and through the shift fork
assembly.
i. Apply 20-30 lbs (9-14 kg) of pressure to insert the piston into
the housing. Figure 8.11.
4000225a
CLUTCH
COLLAR
SHIFT
FORK
COVER
PLATE
PUSH ROD
PISTON
Figure 8.11
j. Install the cover plate with the o-ring seal in place.
k. Lightly lubricate all parts with SAE Grade full-synthetic 40W or
50W oil, Meritor specification O-81.
l. Install the 1/4-20 screws using Loctite
®
242 sealant. Tighten
the screws to 10-14 lb-ft (14-19 Nm).
m. Insert the spring into the housing over the push rod.