Maintenance; Oil Change; Removal / Installation - PREVOST H3-41 Maintenance Manual

FIGURE 26: RIGHT ANGLE GEARBOX

15.1 MAINTENANCE

MAINTENANCE
Change the right angle gearbox oil only at
operating temperature at the intervals specified
by the Lubrication And Servicing Schedule in
Section 24: LUBRICATION & SERVICING.
Replace sealing rings at every oil change.

15.2 OIL CHANGE

1. Stop engine and make sure that all engine
safety precautions have been observed.
2. Set the ignition to the OFF position and
remove the key from the contact switch to
prevent accidental starting of the engine or
set the rear start panel selector switch to the
OFF position.
3. Clean gear case carefully.
4. Remove the drain plug and allow the oil to
drain into a suitable container.
5. Replace the sealing ring and screw the drain
plug back in.
6. Unscrew and remove the oil level plug and
the top filler plug/vent.
7. Add gear lubricant. The oil level is correct
once the top of the oil has reached the
bottom of the oil level plug.
WARNING
Note that warranty may be voided if proper
maintenance at oil change intervals is not
respected.
8. Replace the sealing rings and screw oil level
plug and top filler plug back in.
05118_4
PA1615 Maintenance Manual All Series
SECTION 05b: X3 SERIES COOLING SYSTEM
9. Start the engine and allow running a few
minutes. Stop the engine and check for leaks.

15.3 REMOVAL / INSTALLATION

To remove the right angle gearbox, proceed as
follow:
1. Set the ignition to the OFF position and
remove the key from the contact switch to
prevent accidental starting of the engine.
2. Disconnect the
connector.
3. Dismount the fan and lean it against the
radiator (refer to previous paragraph).
4. Disconnect the universal joint shaft.
5. Dismount the angle.
6. Loosen the gearbox upper support bracket
top bolts.
7. Unscrew and remove 4 gearbox mounting
bolts.
8. Slide the gearbox out of the support
assembly.
Installation procedure is the same as removal
but in reverse order. Tighten the 4 mounting
bolts as specified.
TORQUE: 53-65 lb-ft (72-88 Nm)
FIGURE 27: RIGHT ANGLE GEARBOX
FIGURE 28: RIGHT ANGLE GEARBOX
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Section 05b revised September 2016
fan clutch electrical
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