(b)  
11J33, WARN ELEX A

 S 862-028
 (4)  
Open these circuit breakers on the main power distribution panel, P6, and attach DO-NOT-CLOSE tags:

 (a)  
6L15, PITOT HEAT CAPT MAIN

 (b)  
6L16, PITOT HEAT L AUX

 (c)  
6L17, L AOA HEAT

 (d)  
6L21, PITOT HEAT R AUX

 (e)  
6L22, PITOT HEAT F/O MAIN

 (f)  
6L23, R AOA HEAT

 F.
Do a Test of the Left SAM

 S 862-029
 (1)  Use the trim switches on the control wheel to set the stabilizer at four units of trim.
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757 MAINTENANCE MANUAL
 S 042-030
 WARNING: KEEP PERSONS AND EQUIPMENT AWAY FROM ALL CONTROL SURFACES WHEN
_______ HYDRAULIC POWER IS SUPPLIED. AILERONS, ELEVATORS, RUDDER, FLAPS, SLATS, SPOILERS AND STABILIZER ARE FULLY POWERED SURFACES. INJURY TO PERSONS AND DAMAGE TO EQUIPMENT CAN OCCUR WHEN HYDRAULIC POWER IS SUPPLIED.
 (2)  
Do the deactivation procedure for the spoilers (Ref 27-61-00) or move all persons and equipment away from the spoilers.

 S 862-031

 (3)  
Open these circuit breakers on the overhead circuit breaker panel,

 (4)  
Do a test of the left SAM, as follows:

 (a)  
Set the C STAB TRIM switch, on the pilots' aft control stand P8, to the CUTOUT position.

 (b)  
Make sure the yellow STAB TRIM light, on the pilots' overhead panel P5, is off.

 (c)  
Move the trim switches on the control wheel in the up direction.

 (d)  
Make sure the STAB TRIM light, on the pilots overhead panel P5, comes on.

 (e)  
Make sure the EICAS message, STAB TRIM, shows on the top display.

 (f)  
Set the C STAB TRIM switch to the NORM position.

 (g)  
Push the RESET switch on the left SAM module in the main equipment center.

 (h)  
Move the trim switches on the control wheel in the up direction.

 (i)  
Make sure the STAB TRIM light, on the pilots' overhead panel P5, goes off.

 (j)  
Make sure the EICAS message, STAB TRIM, does not show on the top display.

 (k)  
Close these circuit breakers on the overhead circuit breaker panel, P11: 1) 11G17, CSEU 1R AC or FLT CONT ELEC 1R AC

 P11: (a) 11G17, CSEU 1R AC (b) 11G27, CSEU 2R AC  or or  FLT CONT ELEC 1R ACFLT CONT ELEC 2R AC
 S 712-032

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757 MAINTENANCE MANUAL
 2) 11G27, CSEU 2R AC or FLT CONT ELEC 2R AC
 S 712-038
 (5)  
Do the procedure, MCDP Ground Test 65 - Stab Trim (AMM 22-00-02/201). This procedure does a test of the interface between the SAM module and the flight control computer.

 S 442-039

 (6)  
Do the activation procedure for the spoilers if you did the deactivation procedure (Ref 27-61-00).

 G.
Do a Test of the Right SAM

 S 862-034
 (1)  
Use the trim switches on the control wheel to set the stabilizer at four units of trim.

 S 042-085

 (2)  
Do the deactivation procedure for the spoilers (Ref 27-61-00) or move all persons and equipment away from the spoilers.

 S 862-036

 (3)  
Open these circuit breakers on the overhead circuit breaker panel, P11:

 (a)  
11C6, CSEU 1L AC or FLT CONT ELEC 1L AC

 (b)  
11C8, CSEU 2L AC or FLT CONT ELEC 2L AC

 S 712-037
 (4)  
Do a test of the right SAM, as follows:

 (a)  
Set the R STAB TRIM switch on the pilots' aft control stand, P8, to the CUTOUT POSITION.
　
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