TM 1-1510-253-CL
Landing Gear Warning Horn
Defog Fan
Bleed Air Control (Fails to HIGH)
Annunciator Panel Lights: Left and
Right Hydraulic, Low Suction
Cabin Door, Cargo Door
NOTE
If restoration of Non-Essential bus is re-
quired, pull all circuit breakers, turn bus
tie switch on, reset circuit breakers one
at a time until faulty circuit is found. Pull
circuit breaker for malfunctioning circuit
and do not reset.
h. RIGHT ESSENTIAL BUS TIE Switch
-- OFF
i. Ammeter -- CHECK
j. If excessive load indicated, RIGHT
ESSENTIAL BUS TIE Switch -- ON,
skip to step k.
k. If normal ammeter load indicated --
Leave bus tie switch off and Perform
DC Electrical Bus Failure Checklist
below.
l. Left Essential BUS TIE Switch --
OFF
m. Ammeter -- CHECK
n. If excessive load indicated, Left
Essential BUS TIE Switch -- ON
o. If normal ammeter load indicated --
Leave bus tie switch off and Perform
DC ELECTRICAL BUS FAILURE
CHECKLIST below.
E-23