(e)
Make sure the electrical pump for system B is on and the ELEC-1 LOW PRESSURE light is off.
(f)
Make sure the BIT 2 light on the portable tester is on.
(g)
Set the system B-ELEC 1 switch to the OFF position.
(h)
Make sure the ELEC-1 LOW PRESSURE light comes on.
(i)
Make sure the BIT 2 light on the portable tester goes out.
S 735-193
(7) Do a test of the low pressure signals for system A elec.
(a) Set the portable tester to SUBFRAME 2, WORD 35.
WARNING: MAKE SURE PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU DO THIS TEST. THE LE AND TE FLAPS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(b)
Set the system A-ELEC 2 switch to the ON position.
(c)
Make sure the electrical pump for system A is on and the ELEC-2 LOW PRESSURE light is off.
(d)
Make sure the BIT 2 light on the portable tester is on.
(e)
Set the system A-ELEC 2 switch to the OFF position.
(f)
Make sure the ELEC-2 LOW PRESSURE light comes on.
(g)
Make sure the BIT 2 light on the portable tester is off.
S 735-194
(8) Do a test of the low pressure signals from the standby hydraulic pump.
(a)
Open these circuit breakers:
1) P6-11 Panel
a) C00847, NORMAL STANDBY HYDRAULIC PUMP
2) P6-12 Panel a) C00848, ALTERNATE STANDBY HYDRAULIC PUMP
(b)
Set the FLT CONTROL A switch on the P5-3 panel to the STBY RUD position.
(c)
Set the portable tester to SUBFRAME 2, WORD 29.
(d)
Make sure the BIT 2 light on the portable tester is off.
(e)
Close these circuit breakers:
1) P6-11 Panel a) C00847, NORMAL STANDBY HYDRAULIC PUMP
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
BEJ 101-112, 114-999; ú 31-24-02
ú ú 09 Page 550 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
2) P6-12 Panel a) C00848, ALTERNATE STANDBY HYDRAULIC PUMP
(f)
Make sure the BIT 2 light on the portable tester is on.
(g)
Set the FLT CONTROL A switch to the OFF position.
S 865-195
(9)
Remove the hydraulic power if it is not necessary
(AMM 29-00-00/201).
S 865-197
(10)
If you will do no more tests, then do this task:
"Put the Airplane to its Usual Condition."
TASK 31-24-02-735-081
40. Master Caution Annunciator Signals Test
_______________________________________
A. References
(1) AMM 34-28-00/501, Inertial Reference System
B. Access
(1) Location Zones
101 Control Cabin - Left
102 Control Cabin - Right
C. Procedure
S 865-082
(1)
Make sure you did the Prepare For Input Parameter Test task.
S 865-603
(2)
Make sure the IRS is aligned and in the NAV mode (AMM 34-28-00/501).
S 735-083
(3)
Do this test of the master caution light signals.
(a)
Put the IRS transfer switch on the P5 overhead panel to the NORM position.
(b)
Make sure the Master Caution light is off.
(c)
Set the portable tester to SUBFRAME 0, WORD 29.
(d)
Make sure the BIT 1 light on the portable tester is on.
(e)
Open the IRS-1 AC circuit breaker.
(f)
Make sure the IRS Master Caution light is on.
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