Saturn I Countdown Manual Volume II, SA-7 (small).pdf - Heroicrelics

EMERGENCY PROCE[.\JRE 0 - 0" TO T+O")
AUTOMATIC CUTOFF
1. C1 FR: OeSERVE AUTOMAT IC CUTOFF
13. CINP , CUNP: SAFETY SW ITCH AR MING OFF
2 . CIFP: ALL PREVALVE SW I TCHES TO OFF POSITION
3. CIFP: VERIFY DEL UGE PURGE 00 - IF NO T ON ,
OPERATE DELUGE PURGE TO MANUAL
4. RWC P : OPERATE WATER CuNTROL SYSTEM AS REQUIRED
14 . RBHM : VE R IFY S-I FUEL AND Lox TAN KS
VEN TED TO ZERO PS I
15 . RPLC:
VER IFY S - IV LHz AND Lo x TAN KS
VEN TED TO ZERO PSI
5. C IMP :
16. C ILS : LAUNCH SEQUENCER ARM OFF
RECORDER TRANSFER SWITCH TO EMERGENC Y
POSIT I ON 17. NQIE.: THE PREVALVES MAY REMAIN CLOSED
FOR 10 MINUTES DUR ING WH I CH THE
6. RVFC : HYDRAUL IC PUMPS 1, 2, 3 AND 4 OFF
Lox TAN KS MUST BE PRESSUR IZED ,
7. CINP: FUNCT ION SELECTOR TO PRELA UNCH
PREVALVES OPENED AND Lox BUBBL ING
IN IT IATED. THE Lox TAN KS SHO ULD
THEN BE VENTED AND BUBBL ING D IS­
8. CINP : VERIFY PREVALVE SW IT CHES OFF THEN
RE SET CUTOFF
CONT I NUE D WHEN THE PUMP INLE T
TE MPERATURES REACH _275° F .
9. C I FP; GG Lox I NJECTO R PURGE TO MANUAL
1 0 . CI FP: Lox DOME PU RG E TO MAN UAL
11 . RSEQ : SEQUENCE RECORDE RS TO SLOW SPEED
1 2 . C lOP , C4DP: SAFE DESTRUCT
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18 . NOTE: UPON EXCEED I NG 1 0 MINU TES THE PRE ­
VALVES MUST RE MA IN CLOSED , Lox
DRAINED AND STANDBY OBSERVED UNTI L
AL L SUCTION L I NE FROST IS MEL TED .
TH E PUMP INLET PR ESSURES MUST BE
MON ITORED DURING THIS PER IOD AND IF
TH E PRE SSURE EXCEEDS 200 PS IG (FULL
CHART SCA LE) TH E PREVALVES MUST BE
OP ENED .
19 · CNTS: SECURE ALL OTHE R EQUIPMENT AS REQUI RED .