Table 11-3. Preventive Maintenance Checks and Services for Equipment Monitoring System (Continued)
Q - Quarterly
S - Semiannually
A - Annually
CHECK FOR AND HAVE
IS NOT READY/
REPAIRED OR ADJUSTED
B D A D W M Q S A
a. Check that batteries are secure and that
electrical cable fittings are tight. Use
cables are not
insulated tools to tighten as necessary.
fittings not tight.
b. Check batteries for proper electrolyte
level. Add distilled water or clean tap
water to bring to proper level.
c. Make sure battery charger select switch
is on FLOAT for normal charges and volt-
meter reads about 24V. The HIGH switch
setting is for rapid recharge.
Do not allow battery charger to remain on
HIGH setting for more than 24 hours.
a. Perform keyboard lamp and alarm test as
1) Press EDIT key.
2) Press key 6 (KEYBOARD LAMP
TEST). All keyboard keys, except
ACK key, should light and alarm
should sound. Make sure all alarm
b. Using insulated tools, replace bad lamps
Monitor does not
return to normal
c. After completion of test, press EDIT key
to initiate normal monitoring.
Keyboard lamp and alarm test may be
run without affecting monitoring
anytime edit mode Is not in use.