TM-5-5420-202-10

LAUNCHER, M48A5 TANK CHASSIS

OPERATOR'S MANUAL

DECEMBER 2009

TM-5-5420-202-10 - Page 261 of 535

TM 5-5420-202-10

0046

OPERATOR MAINTENANCE

AUXILIARY SYSTEMS AND CONTROLS PROCEDURES

INITIAL SETUP:

References

WP 0011

WP 0018

WP 0020

References (cont.)

WP 0037

WP 0074

Table 1. Auxiliary Systems and Controls.

SYMPTOM

MALFUNCTION

CORRECTIVE ACTION

Driver’s night vision viewer is

inoperative.

DRIVER’S

NIGHT VISION

VIEWER DOES

NOT OPERATE

ON BATTERY

POWER (VIEWER

OPERATES ON

VEHICLE POWER).

WARNING

An installed battery can overheat and

may explode when vehicle power is

used. Remove viewer battery from

viewer and store in viewer stowage

box before connecting power cable.

Failure to comply may result in

personnel injury or death.

STEP 1. Remove viewer battery from viewer. Refer

to WP 0011. Store battery in viewer stowage box.

STEP 2. Check to see if vehicle power cable is

attached to night vision viewer. Refer to WP 0011. If

cable is attached, place NIGHT VISION power switch

in OFF position, wait 2 minutes, and disconnect

vehicle cable.

STEP 3. Place night vision viewer OFF/BRIGHT

rotary switch in OFF position. Check to see if battery

is installed with positive (+) end f rst in night vision

viewer.

STEP 4. Night vision viewer battery may be

discharged. Replace battery for test. Refer to

WP 0011.

STEP 5. Check for corrosion or dirt on battery

contacts, contact in night vision viewer, or contact

in battery compartment cap. If dirty, clean contacts.

Refer to WP 0011.

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