Spicer Single Drive Axles Service Manual: S140 Series - Manual (Page 42)

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Proper Vehicle Towing
Proper Vehicle Towing
Lift the drive wheels completely off of the ground or damage
will occur.
Do not lift the front wheels (non-drive wheels). This alters
the oil’s position in the drive axle, draining it away from the
drive pinion and its bearings. If the pinion is rotated under
these conditions for any period of time, bearings will over-
heat resulting in axle damage or failure.
If it is impossible to lift the drive wheels, remove all axle
shafts to prevent gear rotation and cap the wheel hubs to pre-
vent loss of lubricant and a possible road hazard. See the fol-
lowing section Proper Vehicle Towing with Wheel Differential
Lock for removal procedure.
WARNING WARNING