C.E. Niehoff & Co. N1127-3 DE Housing Alignment Correction Instructions User Manual

Re-alignment instructions

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II0119A

Page 1 of 1

N1127-3 Alternator

Mounting Lugs

C. E. Niehoff & Co. • 2021 Lee Street • Evanston, IL 60202 Tech Services Hotline 800-643-4633

Figure 1

1. Remove pulley hardware, pulley, and DE fan. See

Figure 1.

2. Remove and save locknuts from through-studs

holding drive end housing to shell assembly.

3. Insert mounting lug alignment tool through

mounting lugs. See Figure 2.

NOTE: If tool does not penetrate mounting lug
in shell assembly, use a soft mallet to tap on the
drive end housing lug until both lugs are aligned
and tool can be easily inserted in both lugs.

4. Once both lugs are aligned, re-install locknuts

on through-studs. Use a suitable adhesive such
as Loctite®222 on studs. Follow manufacturer’s
instructions. Torque screws to 5.1 Nm/45 lb. in.
See Figure 3.

5. Remove mounting lug alignment tool. See Figure

4.

6. Re-install fan, pulley, and hardware. Torque hard-

ware to 136 Nm/100 lb. ft.

Re-alignment Instructions

Figure 2

Figure 3

Figure 4

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