Allison Transmission Installation - PREVOST H3-41 Maintenance Manual

FIGURE 8: COOLER WITH RETARDER
WARNING
A significant amount of oil may drain from oil
lines when they are disconnected.
4. Unfasten the constant-torque hose clamps
and remove the two hoses.
5. Unscrew the holding bolts and nuts and
remove the oil
compartment.
5. ALLISON TRANSMISSION
INSTALLATION
1. Place the transmission on a transmission
jack.
2. Install a headless guide bolt into one of the 12
threaded holes in the flex plate adapter.
NOTE
For more clearance between the tag axle and
transmission, the tag axle may be unloaded and
jacked up, or retracted (if applicable).
FIGURE 9: TRANSMISSION INSTALLATION
3. With the engine starter removed, use Volvo
engine turning tool #88800014 (Figure 10) to
align one of the 12 attaching screw holes in
the flex plate with the engine starter access
(07073)
cooler from engine
SECTION 07: TRANSMISSION
opening. If you do not have the Volvo tool,
place a wrench on the crankshaft pulley
attaching screw to turn it and therefore turn
the flex plate.
FIGURE 10: VOLVO ENGINE TURNING TOOL #88800014
4. Apply clear silicone (Prevost #680457 or
equivalent) on the spacer and install it on the
engine housing (Figure 11).
FIGURE 11: SPACER INSTALLATION
5. Lubricate the flywheel center pilot boss with
molybdenum disulfide grease (Molycote G, or
equivalent).
6. Raise transmission and position the flywheel
pilot boss with the crankshaft hole.
7. Turn the
transmission to align the headless guide bolt
with the flex plate hole facing the engine
starter access opening.
WARNING
Severe damages and/or personal injury can
occur if transmission
supported.
PA1621 Maintenance Manual All Series | January 2017
flex plate adapter
is not adequately
into the
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