D. Install the Discharge Cartridge (Squib) (Fig. 401)
S 944-008
WARNING: STAY OFF THE SERVICE ACCESS DOOR, 311AL AND THE ACCESS DOOR FOR
_______ THE CONTROLS BAY, 313AL. YOUR WEIGHT CAN CAUSE THE SPRING-LOADED LATCHES TO RELEASE. IF YOU FALL THROUGH THE DOOR, INJURY CAN OCCUR.
(1) Open the controls bay access door, 313AL (AMM 06-42-00/201).
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S 864-129
WARNING: DO NOT TOUCH THE SQUIB BEFORE YOU DO THE PROCEDURES FOR DEVICES
_______ THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE THE FIRE BOTTLE TO RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2)
Before you touch the squib, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
S 434-009
(3)
Install the squib (5).
S 434-093
(4)
Tighten the squib (5) to 80-100 pound-inches.
E. Squib Electrical Connection Procedure
NOTE: Do this procedure each time you connect an electrical connector to
____
a fire bottle squib.
S 434-085
(1) Do the steps that follow to connect an electrical connector to a fire bottle squib.
S 864-130
WARNING: DO NOT TOUCH THE SQUIB BEFORE YOU DO THE PROCEDURES FOR DEVICES
_______ THAT ARE SENSITIVE TO ELECTROSTATIC DISCHARGE. ELECTROSTATIC DISCHARGE CAN CAUSE THE FIRE BOTTLE TO RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(2) Before you touch the squib, do the procedure for devices that are sensitive to electrostatic discharge (AMM 20-41-01/201).
(a) If a protective cover is installed, remove the protective cover.
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CAUTION: IF A SHUNT PLUG IS INSTALLED, PULL THE SHUNT PLUG STRAIGHT
_______ OFF THE FIRE BOTTLE SQUIB. IF YOU TWIST OR WIGGLE THE SHUNT PLUG, YOU CAN CAUSE DAMAGE TO THE SQUIB PINS.
(b) If a shunt plug is installed, pull the shunt plug straight off the squib and discard the shunt plug.
NOTE: Shunt plugs should not be used to cover the fire bottle
____ squibs because they can cause damage to the squib pins.
WARNING: MAKE SURE THERE IS NO VOLTAGE AT THE ELECTRICAL CONNECTOR.
_______ IF THERE IS A VOLTAGE AT THE ELECTRICAL CONNECTOR, THE SQUIB CAN RELEASE ITS CONTENTS SUDDENLY AND CAUSE INJURY TO PERSONS.
(c) Make sure there is no voltage between pins 1 and 2 of the electrical connector.
NOTE: Connect a 10 Kohm resistor across the meter leads to
____ remove any stray voltage from the electrical connector.
(d)
Make sure the squib pins are not bent or damaged.
(e)
Make sure the electrical connector is not damaged. NOTE: The squib pins can cause damage to the connector if
____ the pins do not enter the electrical connector receptacles.
(f)
Install the electrical connector to the squib (Ref Table 401).
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TABLE 401
APU FIRE BOTTLE CONNECTIONS
___________________________
~.............................................................................. | Connector | Bottle Connected To: | ................................................................................ | D2262 | Bottle 1 - APU Discharge Squib | | D2264 | Bottle 1 - Pressure Switch | 2............................….................................................1
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