CHAPTER 3 LEECE-NEVILLE MODELS

TB 9-2920-225-34-1

CHAPTER 3

LEECE-NEVILLE MODELS

Section I. INTRODUCTION

3-1. Introduction. Four models were produced by

assembly is available as an ordnance part from

Bendix.

Leece-Neville, a division of Sheller Globe Corpora-

tion.

Code Ident 77820 (FSCM)

Bendix Corp.

Code Ident 35510 (FSCM)

The Electrical Components Div.

Sheller Globe Corp.

Sherman Ave.

Leece-Neville Cleveland Div.

1374 E. 51st St.

Sidney, NY 13838

Cleveland, OH 44103

It should be ordered as part number 60-42228-

TELEPHONE AC 216 4310740

10S; it will arrive as a complete assembly with the

shell marked 8701337.

The Leece-Neville part numbers for each model

b. Regulator Box Assembly (Internal). I f

are:

water leakage or corrosion is detected, it is pos-

R0015027RA

sible that extensive damage has been done and

R0015027RB

the regulator cannot be easily repaired. Com-

R0015027RC

ponents should be performance tested and re-

R0015027RD

tained if acceptable. Check for disconnected or

burnt wires, missing components and replace/

3-2. General Inspection. This chapter applies to

repair as necessary. Carefully remove the transis-

all Leece-Neville models.

tor mounting plate, noting the position of the

a. Regulator Box Assembly (external). Check

screws, washers and rubber insulators. Visually

for missing or stripped cover, connector and

inspect the circuit board for burnt components.

mount retainer screws, and voltage adjustment

Replace the circuit board through cannibalization

access plug. Check connectors for signs of arcing,

if burnt components are found. Carefully reinstall

bent or pushed in pins, broken connectors and

the transistor mounting plate.

thread damage.

c. Regulator Verification Check. After per-

Correct deficiencies by utilization of serviceable

forming the above inspection, if the regulator

components from unrepairables or requisitioning

appears to be in good condition, check its per-

components from the manufacturer.

formance on a test stand. If the regulator fails

(1) The pin receptacle (J2) is P/N 7064429

this check, proceed to the following component

FSCM 19207 or MS3102A28-22P FSCM 96906

tests.

per MIL-C-5015.

3-3. Bench Testing. Figures 31 and 32 show the

( 2 ) The socket receptacle (Jl) is P/N

method for testing NPN transistors. These figures

7064706 FSCM 19207, an ordnance number for

apply to all models in this chapter.

which there is no equivalent NSN number. An

3-1