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26-SI ALTERNATOR
1G/287 4/96
PAGE
ALTERNATOR MOUNTING
CAUTION: Failure to disconnect grounded battery
cable at battery before removing or attaching
alternator “BAT” terminal lead may result in an
injury. If a tool is shorted to the battery cable
connector at the output terminal, the tool can quickly
heat enough to cause a skin burn or to damage the
tool or cable.
NOTICE: Always reinstall fasteners at original
location. If necessary to replace fasteners, use only
correct part number or equivalent.
• If correct part number is not available, use only
equal size and strength.
• Fasteners that are NOT to be reused will be noted in
procedure.
• Fasteners requiring thread locking compound will
be noted in procedure.
• Use specified torque values when shown.
Using or replacing fasteners in any other manner could
result in part or system damage.
Always follow engine manufacturer’s instructions for
mounting alternator on engine. The following procedure
is typical and may not match all steps necessary for a
particular application.
TEST EQUIPMENT NEEDED:
• Belt Tension Gage
REMOVE OR DISCONNECT
1. Negative cable at battery.
ADJUST
2. Mounting hinge bushing position so that the mounting
lugs will fit over the bracket spool.
INSTALL OR CONNECT
3. Alternator double mounting lugs to mounting bracket
on engine. (See Fig. 49) Adjust hinge bushing in
mounting lug by pressing endways until it just clears
the spool on the mounting bracket. Install flanged
mounting bolt and flanged mounting bolt nut. If bolt
and/or nut are not flanged, 1/8" thick hardened steel
washers (part no. 1967343) must be substituted for
flanges. (See Fig. 50)
4. Alternator adjustment lug to adjustment bracket on
engine, with 1/8" thick hardened steel washer (part no.
1967343) and flanged adjustment bolt. (See Fig. 49)
Finger tighten.
25
Figure 50. Alternator Mounting Bolts
Figure 51. Adjusting Belt Tension
1/8 IN. THICK
HARDENED STEEL
FLAT WASHER
0.55" I.D., 1.2" O.D.
ALL PARTS ZINC OR PHOSPHATE
COATED STEEL HARDNED STEEL
WASHERS MAY BE SUBSTITUTED FOR FLANGES
SAE
GRADE 5
1.5 IN.
6.25 IN.
1/2-13 FLANGED
HEX HEAD LOCKING NUT
SAE GRADE 5 OR BETTER
1/2-13 FLANGE HEX BOLT
ADJUSTMENT BOLT
SAE GRADE 5 OR BETTER
1/2-13 FLANGE HEX BOLT
ADJUSTMENT BOLT
SAE GRADE 5 OR BETTER
TORQUE WRENCH
PRY BAR
BLOCK
ALTERNATOR
26-5049
26-5050