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C659
Alternator
Installation Instructions
Thissymbolisusedtoindicatepresenceof
hazardsthatcancauseminorproperty
damage.
CAUTION
1. InstallalternatorasshowninFigure1:
Slipbushinglocatedinrearmounting
footmustbesecurelytightened
againstalternatormountingbracket
onengine.Failuretodosocanresult
inbrokenmountingfeetorbroken
uppermountingbracket.
a. Usehardenedwashersbetweenaluminum
surfacesandboltheadsandnuts.
b. OEMunitsareshippedwithpulley,hardened
washerandlocknutinstalled.
c. Aftermarketunitsareshippedwithshaftcollar,
diskspringwasher,andnut.Removeand
discardshaftcollar.Installpulleyandfurnished
discspringwasher.Torquenutto163Nm/
120lb.ft.
d. Followvehiclemanufacturer’srecommenda-
tionsforbelttension.
Figure 1 - C659 Alternator Installation Details
CAUTION
Hardened washer
2. Allcabling,wiringorconduitmustbesupported
within305mm/12in.ofterminationonalternator.
3. Choosewiregaugecapableofhandlingmaximum
alternatoroutputwithnomorethan0.4Vdropon
eachlegfromalternatortobattery.
4. RegulatorisfurnishedwithOEMunitsandissup-
pliedseparatelybyrequestwithaftermarketunits.
Mountingscrewsonregulatorshouldbetorquedto
8.5Nm/75lb.in.
5. MakeelectricalconnectionstoCENregulatoras
required,usingproperringterminals:
a. Makesurealternator-to-regulatorharnessis
pluggedsecurelyinregulatorreceptacle.
b. A2-146regulatorhasPterminalwithM6stud
andD+terminalwithM5stud.Torqueterminal
nutsto4.5Nm/40lb.in.
• PterminaltapsACvoltage,typicallyhalfthe
chargevoltage.
•D+terminalprovides28VDCvoltageoutput
tomultiplexcontroller.WhenconnectingD+
terminaltocontrollerthrougharelay,the
relaycoilmustbediodeprotectedandrated
forpropervoltage.
12mm/0.50 Locknut –
torque to 88 Nm/65 lb. ft.
Slip bushing must be tightened against
bracket — see “CAUTION” above
Bracket
on engine
M12x1.75 bolt–torque to 32 Nm/24 lb. ft.
Washer
Battery output
cable terminal
Lockwasher
Insulator
Alternator B+ Terminal Stud
M12x1.75 bolt–torque to 32 Nm/24 lb. ft.
Washer
Battery ground
cable terminal
Lockwasher
Insulator
Alternator Isolated B− Terminal Stud
M12x1.75
thread–torque
bolt to 61 Nm/
45 lb. ft.
B−
B+
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