Ce-niehoff-co C626 Alternator Installation User Manual download pdf

II172A

Page 1 of 2

C626 Alternator

Installation Instructions

This symbol is used to indicate presence

of hazards that can cause minor property

damage.

CAUTION

1. Install alternator as shown in Figure 1:

Both slip bushings located in rear

modified mounting foot must be

securely tightened against

alternator mounting bracket

on engine. Failure to do so

can result in broken mounting

feet or broken mounting bracket.

a. Use hardened washers between aluminum

surfaces and bolt heads and nuts.

b. OEM units are shipped with pulley, disc

spring washer and locknut installed.

c. Aftermarket units are shipped with shaft

collar, disk spring washer, and nut. Remove

and discard shaft collar. Install pulley and

furnished disk spring washer. Torque nut to

163 Nm/ 120 lb. ft.

d. Follow vehicle manufacturer’s recommen-

dations for belt tension.

2. All cabling, wiring or conduit must be supported

within 305 mm/12 in. of termination on alterna-

tor.

Figure 1 - C626 Alternator Installation Details

CAUTION



Hardened washer



3. Choose wire gauge capable of handling maxi-

mum alternator output with no more than 0.4 V

drop on each leg from alternator to battery.

4. Regulator is furnished with OEM units and is

supplied separately by request with aftermarket

units. Mounting screws on regulator should be

torqued to 8.5 Nm/75 lb. in. A2-337 regulator:

See page 2 for regulator mounting instructions.

Make electrical connections to CEN regulator as

required, using proper ring terminals (follow vehicle

manufacturer’s diagram and separate instructions

packed with extended wiring harness when used):

a. Make sure alternator-to-regulator harness

is plugged securely in regulator receptacle.

b. A2-141 regulators have an M6 stud P termi-

nal and an M5 stud D+ terminal. Torque

terminal nuts with disc spring washers to

4.5 Nm/40 lb. in.

• P terminal taps AC voltage, typically half the

charge voltage.

• D+ terminal provides 28 VDC voltage out-

put to multiplex controller. When connecting

D+ terminal to controller through a relay,

the relay coil must be diode protected and

rated for proper voltage.

c. A2-337 regulator: See page 2 for regulator

electrical connections.

M12/0.50 bolt and washer –

torque to 81 Nm/60 lb. ft.

Slip bushing must be tightened against

bracket — see “CAUTION” above



Bracket

on engine

Alternator B- M10x1.5 bolt,

lockwasher and washer—

torque to 15 Nm/11 lb. ft.



Alternator B+ M12x1.75 bolt–torque to 32 Nm/23.5 lb. ft.

Washer

Battery output cable terminal

Lockwasher



1 2

C626 Alternator 1
Page 2 of 2 2

Summary of Contents

Page 1 - C626 Alternator

II172APage 1 of 2C626 AlternatorInstallation Instructions This symbol is used to indicate presence of hazards that can cause minor propert

Page 2 - Page 2 of 2

II172APage 2 of 21. Install regulator on alternator, using mounting hardware furnished with regulator. Torque screws to 8.5 Nm/75 lb. in. 2. Plug al

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Ce-niehoff-co C626 Alternator Installation User Manual

Browse online or download User Manual for Hardware Ce-niehoff-co C626 Alternator Installation. C.E. Niehoff & Co. C626 Alternator Installation User Manual

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