Superior Vantage Engine O-360 SERIES Maintenance Manual page 76

If required tension can not be achieved or belt is
worn, replace belt.
midspan and discard.
SL76026 belt by first removing propeller IAW
airframe manufacturer's instructions.
slave bolt on propeller flange to secure starter
support without propeller.
connecting the adjustment arm to the alternator.
Install new belt on starter support pulley and
then over alternator pulley. Adjust tension arm
to provide required belt tension and torque
adjustment arm bolt. Verify tension on belt as
described above. Remove slave bolt and install
propeller IAW airframe
instructions.
Reconnect ignition harness "B" nuts and
unground magneto P-leads. Start aircraft and
check alternator output for proper operation.
Check the tension of a newly installed alternator
drive belt after 25 hours of operation and tighten
as required to meet specifications.
Table 72-10-00.1 • Alternator Belt Tension
Requirements
Belt Tension Load for 0.31"
Condition midspan deflection (lb)
New 14 ±1
Used 10 ±1
Alternator Replacement
If replacement of the alternator is required, first
disconnect the airframe battery power leads.
Cut the old alternator belt midspan and discard.
Remove the propeller
manufacturer's instructions.
WARNING: DO NOT INSTALL THE IGNITION
HARNESS "B" NUTS ON THE SPARK PLUGS
UNTIL THE INSTALLATION IS COMPLETED.
FAILURE TO COMPLY COULD RESULT IN
BODILY INJURY WHEN THE PROPELLER IS
ROTATED DURING INSTALLATION.
© March 2006 Superior Air Parts Inc.
Maintenance Manual
O-360 and IO-360 Series Engines
To remove belt, cut belt
Replace belt with new
Install
Loosen the bolt
manufacturer's
Torque at
Pulley (ft-lb)
12 ±1
8 ±1
IAW airframe
Remove alternator from attaching brackets by
removing the two attaching bolts, nuts, and
washers on the tension adjustment arm and the
crankcase attaching bracket, see Figure 72-10-
00.3 below.
Install new alternator by re-installing the two
attaching bolts, nuts and washers through the
tension adjustment arm and crankcase attaching
bracket.
Install battery wire with MS25171-2S terminal
nipple on 6mm output terminal and torque to 50
in-lb. Install ground wire to any of the three 5
mm studs on rear of alternaotr and torque to 35
in-lb. Install field wire with MS25171-1S terminal
nipple to F1 terminal on rear of alternator and
torque to 20 in-lb.
The F2 terminal is to remain grounded with
ground strap unless the aircraft voltage regulator
is a Type "A" regulator using a 2-wire field
circuit, in this case remove and disgard ground
strap from F2 terminal and connect wiring from
voltage regulator to F1 and F2 terminals.
Torque to 20 in-lb.
If aircraft is equipped with an "alternator out"
light circuit, connect that wire to the AUX
terminal and torque to 20 in-lb, otherwise leave
AUX terminal open.
Install new alternator belt as described above.
Unground magneto P-leads and reconnect
ignition harness "B" nuts.
check alternator output for proper operation.
4
Start aircraft and
72-10-00
Front Section