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Warning
When working on air system components the following precautions
should be observed.
1. Stop engine when working under a vehicle. Always block the vehicle
wheels to prevent a fore or aft roll. Bleeding off system pressure may
cause the vehicle to roll. Keep hands away from brake chamber
push rods and brake adjusters; they may apply as system pressure
drops.
2. Never connect or disconnect a hose or line containing air pressure.
It may whip as air escapes. Never remove a component or a pipe
plug unless you are certain all system air pressure has been
exhausted.
3. Never exceed recommended working air pressure and always wear
safety glasses when working with air pressure. Never look directly
into component ports or direct a pressurized air flow at anyone.
4. Never attempt to disassemble a component until you have read and
understood all recommended procedures. Some components contain
powerful springs and injury can result if not properly disassembled.
Use only proper tools and observe all precautions pertaining to the
use of those tools.
Important Note
Place vehicle in neutral and disconnect batteries before working on
the electrical system. Do not test the alternator by disconnecting the
battery lead to see if it sparks. This will damage the alternator and void
the warranty.
Installation Tips
1. Test the batteries before installing the alternator.
Batteries must be in good condition, have the proper capacity and
be fully charged. A defective battery may cause an alternator to fail
prematurely and a discharged battery will shorten the life of the
alternator. An alternator is designed to maintain the charge in a
battery, not to recharge the batter, not to recharge the battery.
2. Inspect all wire and battery cables.
alternator wiring and wiring connections must be tight, in good
condition, and free of corrosion. Loose connections and corrosion
add resistance to the charging system and will result in damage to
the alternator. If upgrading the vehicle to a higher amperage
alternator, insure that the wiring in the charging circuit is of sufficient
size to carry the additional output.
3. Inspect the fan and pulley.
cooling of the alternator, decreasing its life. A damaged pulley may
affect the drive belts causing them to slip and drive the alternator at
improper speeds. If the fan and pulley are out of balance, vibration
will cause premature alternator failure.
4. Properly torque the fan and pulley in place.
rotor may not spin freely when the alternator is removed from the
carton. Do not reject the unit! Install the fan and pulley and
torque the pulley nut to 70-80 ft. lbs. This will locate the rotor
properly in the alternator and it will turn freely.
5. Use proper mounting hardware.
self-locking nuts when mounting the alternator. Use hardened flat
washers under the bolts and lock nuts. If using a slotted type
adjusting bracket, place a hardened flat washer between the
adjusting bracket and alternator adjusting ear. Do not use
lock washers.
6. If alternator fails to charge after proper
installation.
If the alternator fails to charge after proper
installation, it may be necessary to increase the engine speed or
magnetize the rotor.
7. Energizing speed.
Sufficient alternator speed must be
obtained before the regulator turns on and energizes the field
circuit. This may be higher than "idle" speed. If this condition
exists, increase engine speed until the regulator turns on. Once
the regulator turns on it will remain on until the engine is stopped.
- Installation Tips Continued on Reverse Side -
Battery cables,
A damaged fan will affect the
The
Use grade 5 bolts and
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