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

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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