M2/M3 BFV ENGINE STARTING/CHARGING SYS - OD1603 - LESSON 1/TASK 1
touch, hearing, and smell.
Inspection usually consists of:
(1) Checking for missing or loose parts;
(2) Checking for broken or bent parts, cracked castings or broken pins;
(3) Looking for burnt, charred, scorched or water soaked boxes or wiring;
(4) Smelling for burnt insulation on electrical wiring, and
(5) Feeling for excessive heat generated from electrical or mechanical component
Be careful when feeling for overheated electrical wiring
and mechanical components.
Shorted wiring and defective
roadwheel bearings can heat up enough to inflict severe
(6) Manually operating mechanical components for extra play between moving parts.
Operation of Test Equipment
The connection and operation of test equipment, such as the STE-M1/FVS, is not a
part of this lesson.
These procedures, therefore, are not discussed, but are
described in TM 9-4910-751-12&P and TM 9-2350-252-20-1-1.
attempting any repairs on the starting/charging system of the BFV, these
publications, plus those listed in paragraph 2, on page 3, must be available.
The following subparagraphs serve to describe the procedures for
troubleshooting, fault isolation, and correcting malfunctions occurring in the
engine starting/charging system of the BFV at the unit level of maintenance.
Although there are numerous malfunctions that can occur in this system, the
following subparagraphs are limited to seven malfunctions.