Ce-niehoff-co N1126-2 Filter Replacement Instructions Manuel d'utilisateur télécharger pdf

II0120A

Page 1 of 2

N1126-2 Alternator

N9700 Filter Replacement Kit and

Diode Module Test

Field Instructions

Disassembly:

1. Disconnect alternator-to-regulator harness plug at

regulator.

2. Remove and discard four screws from black cover

plate on control unit. Loosen cover to access wiring

underneath.

3. Label and disconnect three harness leads, red

(B+), green (B–), and brown (AC) from defective

filter.

4. Label three black phase leads from diode module at

filter.

5. Remove and discard six screws attaching filter to

diode module.

6. Uncouple gray connector on harness.

7. Remove and discard filter.

8. Test diode module per Table 1, page 2.

• If defective, see diode replacement on page 2.

• If not defective, follow directions below for

reassembly.

Assembly:

NOTE: Before reassembly, make sure all ring, power,

and diode terminals are cleaned with a wire brush to

remove any conformal coating and ensure a good elec-

trical connection.

1. Put end of harness with ring terminal through hole

in cover from outside.

Use washer as spacer between ﬁ lter and di-

ode module in this position only

Figure 2 – Replacing Filter and Black Cover Plate on N1126-2 Alternator

2. Mate two ends of gray connector.

3. Install phase leads, copper links, and spacer

washer between new filter and diode module using

new hardware. Leave fasteners loose.

4. Install screws in terminals E, A, and C. Leave

fasteners loose. See Figure 3 on page 2.

5. Using new hardware, install red harness lead

(B+) in terminal D. Install brown harness lead (AC)

in terminal B and green harness lead in terminal F.

6. Torque down all fasteners (4.6 Nm/40 lb. in.) taking

caution to ensure proper connection.

7. Replace black cover plate and torque fasteners to

2.3 Nm/20 lb. in.

8. Reconnect alternator-to-regulator harness plug at

regulator.

Filter

Black cover plate

Three phase leads

Diode module

Pow

er terminal (phase lead,

copper link, or spacer washer)

Filter

Washer

Screw

Figure 1 – Diode Module Stacking Order

Red

Green

Brown

1 2

N1126-2 Alternator 1
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Page 1 - N1126-2 Alternator

II0120APage 1 of 2 N1126-2 Alternator N9700 Filter Replacement Kit and Diode Module TestField InstructionsDisassembly:1. Disconnect alternator-to-reg

Page 2 - Page 2 of 2

1. Reference disassembly steps on page 1. 2. Remove and discard hardware and defective diode module. 3. Clean housing surface to remove old heats

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Ce-niehoff-co N1126-2 Filter Replacement Instructions Manuel d'utilisateur

Naviguer en ligne ou télécharger Manuel d'utilisateur pour Matériel Ce-niehoff-co N1126-2 Filter Replacement Instructions. C.E. Niehoff & Co. N1126-2 Filter Replacement Instructions User Manual Manuel d'utilisatio

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