III. SPECIAL INSTRUCTIONS FOR POTENTIOMETER ADJUSTMENT

TB 9-2350-257-20-1

III.SPECIAL INSTRUCTIONS FOR

POTENTIOMETER ADJUSTMENT

If you have a regulator with serial number 0001 through 3879 and it does not have a 1/4" yellow

stripe above the Bendix nameplate, follow these instructions to adjust the regulator current limit

potentiometer:

a. Disconnect the regulator from the vehicle in the

R18 (ref Fig. 3-3a). Turn the adjusting screw on

manner prescribed in TM 9-2350-257-20-1-3

potentiometer 25 complete turns (360)

and place the device on a clean, well lighted

clockwise.

work bench.

c. Reseal the potentiometer (R 18) with a sealing

b. Remove the base place from the regulator and

compound that conforms to MIL-1-46058 (kit

carefully scrape away all conformal coating from

NSN 5970-00- 181-0190).

potentiometer

2. Reinstall the base plate in the following manner

a. Coat both sides of the cover gasket with a thin

c Tighten all screws to the recommended torque (10-12

layer of grease that con- forms to MIL-S-8660B,

inch-pounds) in the following sequence:

NSN 6850- 00-880-7616 (8 oz. tube).

4 corner screws

b. Assemble the base plate to the regulator

3 center screws

enclosure by replacing all screws and nuts,

remaining screws

holding the screw heads and tightening all nuts

until a snug fit is achieved.

3 Regulator Identification

a. Apply a stripe of yellow paint or ink,

b. Ink Marking Epoxy Base MIL-I- 43553, NSN

approximately 1/4 inch wide x 3 inches long, on

7510-00-145-0062 (1 oz), or NSN 7510-00-888-

the housing directly above the Bendix nameplate

8526 (1 qt.)

for Identification.