Ce-niehoff-co N1375: N7289 DE Housing Installation User Manual download pdf

Page 1

II0073A

N7289 Drive End Housing Assembly

for N1375 Alternators

Installation Instructions

C. E. Niehoff & Co

BRUSHLESS ALTERNATORS

Removing hardware from other diodes will cause severe damage to equipment.

DANGER

1. Make sure three envelopes were supplied with the new housing assembly. Each enve-

lope contains hardware necessary to correctly assemble housing assembly onto unit.

2. On new DE housing assembly, remove and discard ALL washers and nuts affixed to

positive-negative diode pairs—SEE PAGE 2 for SPECIFIC DIODES. Do not reuse

existing hardware.

3. Install new housing assembly on shell/stator/field coil assembly, making sure to guide

all leads through openings in housing.

4. See pages 2 and 3 to install phase leads and fuse links on housing. Torque all new

brass nuts to 2.8–3.0 Nm/25–27 lb. in. Allow 16 hours to set, then retorque brass nuts

to 2.9–3.1 Nm/26–28 lb. in.

5. Make sure to clean all leads to be attached to terminal strip in control unit. See page 4

to attach leads to terminal strip. Torque screws to 0.9–1.1 Nm/8–10 lb. in.

6. Install lock washer and bolt provided in kit to ground terminal on housing assembly.

7. Coat diodes with fuse links with Dow Corning® 1-2577 Low VOC RTV coating or

equivalent. Do not use coating containing acetic acid (vinegar smell) on electrical

components.

DANGER

This symbol is used in these instructions to indicate the presence of hazards that will cause severe personal

injury, death, or substantial property damage if ignored.

1 2 3 4

Summary of Contents

Page 1 - C. E. Niehoff & Co

Page 1II0073AN7289 Drive End Housing Assemblyfor N1375 AlternatorsInstallation InstructionsC. E. Niehoff & Co.BRUSHLESS ALTERNATORSRemoving hardw

Page 2

II0073APage 2+++++++++++++PHASE LEADNEGATIVE DIODEPOSITIVE DIODEP1P1P2P3P4P5P6FUSE LINK(1 per pair)FUSE LINK(1 per pair)FUSE LINK(1 per pair)LEGEND:F

Page 3 - FUSE LINK PAIR PARTS LIST

Page 3II0073ATWO 3/4” dia.GRAY INSULATORSTWO 3/4” dia.GRAY INSULATORS.25 x .3 x .9 INSULATOR5/8” FLAT WASHER5/8” FLAT WASHER5/8” FLAT WASHERBELLEVILLE

Page 4 - II0073APage 4

II0073APage 4C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services

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Ce-niehoff-co N1375: N7289 DE Housing Installation User Manual

Browse online or download User Manual for Hardware Ce-niehoff-co N1375: N7289 DE Housing Installation. C.E. Niehoff & Co. N1375: N7289 DE Housing Installation User Manual

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