Section I. INTRODUCTION
3-1. Introduction. Four models were produced by
assembly is available as an ordnance part from
Leece-Neville, a division of Sheller Globe Corpora-
Code Ident 77820 (FSCM)
Code Ident 35510 (FSCM)
The Electrical Components Div.
Sheller Globe Corp.
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
water leakage or corrosion is detected, it is pos-
sible that extensive damage has been done and
the regulator cannot be easily repaired. Com-
ponents should be performance tested and re-
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.
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
( 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