Air gunner turret instructions

Air gunner turret instructions

A list of instructions on the use of a turret and its guns.

One typewritten sheet

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MHarrisonR[Ser#-DoB]-151208-07

"CONSOLIATED" TURRET - 2 X 0.5 BROWNING M.GS
ELECTRO HYDRAULIC WITH AUTOMATIC SERVO AMMN FEED. THE GUNS ARE FIRED ELECTRIALLY BY SOLENOIDS. MANUAL CONTROLS ARE FITTED IN THE EVENT OF SYSTEM FAILING. FOOT FIRING PEDALS ARE PROVIDED TO ALLOW THE GUNNER TO FIRE THE GUNS WHILST OPERATING MANUALLY OR IN THE EVENT O THE ELECTRICAL FIRING MECHANISM FAILING.

[underlined]FIELD OF FIRE[/underlined] – IN AZIMUTH 125[degrees] ELEVATION 71[degrees] DEPRESSION 44[degrees] SPEED 45[degrees] per second.

[underlined]TURRET DRILL[underlined]
CHECK SHUT OFF VALVE IS CLOSED AND ALL SWITCHES OFF. CHECK FIRING CATCH IS AT SAFE.
CHECK DUMP VALVE IS DOWN.
CHECK OIL LEVEL IN TANK
TURN THE FILTER.
SWITCH ON MAIN POWER SWITCH
CHECK THAT LOCKS ARE IN POSITION
CHECK THAT GUNS ARE UNLOADED AND BREECH COVERS CLOSED.
REMOVE SAFETY LOCKS. TURN SHUT OFF VALVE TO 'ON' TEST TURRET OPERATION.
TURN ON SWITCHES (ELECTRICAL)
CHECK – GUN SIGHT – OXYGEN – AND INTERCOM.

[underlined]LEAVING THE TURRET[/underlined]

CLEAR THE GUNS
TURRET TO ZERO
FULLY DEPRESS GUNS
CLOSE SHUT OFF VALVE
INSTALL SAFETY LOCKS
TURN OF ALL SWITCHES
CHECK FOOT FIRING CATCH IS AT ‘SAFE’
LEAVE THE TURRET
SWITCH OFF MAIN POERT SWITCH

[underlined]PRECAUTIONS[/underlined]
NEVER TAKE OFF OR LAND IN THE TURRET
USE HANDLES FOR ENTERING THE TURRET..
CHECK SHUT OFF VALVE IS CLOSED BEFORE ENTERING
REMOVE SAFETY LOCKS BEFORE OPENING SHUT OF VALVE.
CHECK DOOR IS LOCKED
CHECK BOOSTER MOTOR CLUTCHES ARE ALWAYS ENGAGED WHEN LOADING AND FIRING THE GUNS.
ALWAYS LEAVE GUNS FULLY DEPRESSED WITH ELEVATION LOCKS INSTALLED
CLEAR GUNS BEFORE LEAVING THE TURRET..
NEVER ELEVATE OR DEPRESS THE GUNS WITH BREECH COVERS OPEN.