TM-9-2350-358-BD

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A6

TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT SUPPORT MAINTENANCE

MARCH 1994

TM-9-2350-358-BD - Page 304 of 343

TM 9-2350-358-BD

SECTION II.

FABRICATED TOOLS - CONTINUED

NOTE

An 18- to 30-volt bulb from the driver’s instrument panel can be used A 5-volt bulb from a 2-battery

flashlight also can be used.

2.

Touch soldered wire ends to voltage source test voltage.

NOTE

Polarity need not be observed - even alternating current voltage can be tested.

Description:

Ohmmeter

NOTE

If a two-cell flashlight bulb is used with only one battery, the bulb glow will be dim.

Materials/Tools:

•

Bulb, flashlight

•

Battery, flashlight

•

Wire, electrical, length as required, three pieces

•

Solder

•

Soldering iron

Ohmmeter Fabrication/Test Procedure:

1.

Solder end of two wires to bulb.

2.

Solder one wire from bulb to end of battery.

3.

Solder third wire to other end of battery.

4.

Tin two loose ends.

5.

Test voltage by touching loose wire ends together.

B-2