C. Procedure
S 862-015-C00
(1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
(a) P18-2 Load Control Center 1) STALL WARN AC OR SMC 1 SNSR EXC AC
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75-24-02
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
2) STALL WARN AC OR SMC 2 SNSR EXC AC 3) STALL WARN DC OR SMC 1 CMPTR DC 4) STALL WARN DC OR SMC 2 CMPTR DC 5) STALL WARN ASYM MODE OR SMC STALL WARN ASYM MODE 6) FLIGHT RECORDER DC(BAT) 7) FLIGHT RECORDER AC
(b) P18-3 Load Control Center
1) DRAIN MAST GND
2) DRAIN MAST AIR
S 862-022-C00
(2)
Make sure you put the antiskid switch to the OFF position.
S 862-016-C00
(3)
Put the flap handle for the trailing edge to the 1 unit detent position.
S 862-027-C00
(4)
On the P5 forward overhead panel, set the mode selector for the cabin pressure control to MAN (manual) mode, and make sure the outlet flow valve is in the fully OPEN position.
S 032-017-C00
(5)
Remove the module cover to get access to the E11 logic shelf for the landing gear.
NOTE: The E11 logic shelf for the landing gear is found on the
____
right side of the radar bay just forward of the nose wheel
well.
S 862-018-C00
(6) Push and hold the AIR SENSING relay push button during the scheduled engine run.
NOTE: You can hold the AIR SENSING relay push button in the "IN"
____
position with a system test switch pusher (C75001) for the
AIR SENSING relay or other clamping methods if it is
necessary.
S 862-019-C00
(7) After you complete the scheduled engine run(s), do the steps that follow:
CAUTION: YOU MUST RELEASE THE PUSH BUTTON FOR THE AIR SENSING RELAY
_______ BEFORE FLIGHT. IF YOU DO NOT RELEASE THE PUSH BUTTON FOR THE AIR SENSING RELAY BEFORE FLIGHT, MANY AIRPLANE SYSTEM MALFUNCTIONS WILL OCCUR.
(a) Release the push button for the AIR SENSING relay.
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CLEARANCE CONTROL (HPTCC) TIMER ú ú C01 Page 202 ú Jul 12/00
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////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
(b)
Install the module cover on the E11 logic shelf for the landing gear.
(c)
Put the flap handle for the trailing edge to the 0 unit detent position.
S 862-026-C00
(8)
On the P5 forward overhead panel, set the mode selector for the cabin pressure control to AUTO mode, and make sure the outlet flow valve is in the fully OPEN position.
S 862-023-C00
(9)
Make sure you put the antiskid switch to the ON position.
S 862-020-C00
(10)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
P18-2 Load Control Center
1) STALL WARN AC OR SMC 1 SNSR EXC AC
2) STALL WARN AC OR SMC 2 SNSR EXC AC
3) STALL WARN DC OR SMC 1 CMPTR DC
4) STALL WARN DC OR SMC 2 CMPTR DC
5) STALL WARN ASYM MODE OR SMC STALL WARN ASYM MODE
6) FLIGHT RECORDER DC(BAT)
7) FLIGHT RECORDER AC
(b)
P18-3 Load Control Center
1) DRAIN MAST GND
2) DRAIN MAST AIR
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