PREVOST X3-45 COMMUTER User Manual

SECTION 11: REAR
AXLES
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 11 revised Jan 2021
7
2.1.3 Differential Oil Change
1. Place the vehicle on a level surface.
2. Drain, filler and level check plugs must be
cleaned carefully before opening.
3. Drain oil only at operating temperature,
immediately after the vehicle has been
operated for an extended period of time.
4. Renew seals components (O-rings).
MAINTENANCE
Oil change interval – Lubricant class 12M
Change differential oil and breather, clean the
drain plug’s magnetic inserts at the intervals
specified by the Lubrication And Servicing
Schedule in Section 24A.
FIGURE 2: ZF A132 DRIVE AXLE
5. Put a large container under the
differential case drain plug. The differential
case contains approximately 19 quarts of oil.
6. Remove the drain plug from the bottom
of the differential case. Drain all the oil and
discard in an environment friendly manner.
7. Clean the magnetic insert of the drain
plug, fit a new seal (O-ring) and reinstall
drain plug.
WARNING
The oil temperature may be extremely high!
Risk of burn injuries.
8. Remove the filler plug and the level
check plug.
9. Reinstall the drain plug.
Tighten to: 96 lb-ft (130 Nm)
10. Add the specified oil at the filler plug
until the oil level is even with the bottom of
the level check bore.
Filling volume is about 19 quarts (18 liters) at
the level check bore
11. Allow the oil to flow through the axle and
check the oil level again after some minutes.
Refill if necessary until specified level is
reached and remains constant.
12. Reinstall the filler plug and level check
plug using new seals (O-ring).
TORQUE: 52 lb-ft (71 Nm)
13. Replace the breather with every oil
change.
TORQUE: 4 lb-ft (5 Nm)
2.1.4 Compact Bearing (Hub Unit) Axial Play
Check
Check the compact bearing (hub unit) axial play
every 100 000 miles. Furthermore, the bearing
must be checked in case of brake disk change,
ABS fault message and rising noise level at
increasing speed.
Perform compact bearing (hub unit) axial play
check as described in paragraph 6.2 HOW TO
CHECK THE AXIAL PLAY of the following
manual: OPERATING INSTRUCTIONS ZF
AXLE A132 (version with US hub) #5871
207 982 EN.
MAINTENANCE
Compact bearing (hub unit) axial play
Check the bearing axial play at the intervals

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in