EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 865-134
(12)
Select XXX.05 MHz other than local VHF frequency on captain's control panel. Both RDDMI DME-1 readouts should display 150 |2 miles test distance. Captain's EHSI should also display test distance.
S 865-142
(13)
Put the test set switches as follows:
(a)
X/Y to X
(b)
SLEW switches for 110 NM range
(c)
VELOCITY IN/OUT to IN
(d)
VELOCITY select switch to 600
S 865-194
(14)
Put the test set X/Y switch to Y. DME-1 should lock on and both RDDMI DME-1 readouts should track inboard. Captain's EHSI should also track inbound and be within | 2 NM of RDDMI readouts. Observe DME readouts for approximately 2 minutes.
S 865-149
(15)
Put the test set switches as follows:
(a)
X/Y switch to X
(b)
VELOCITY select switch to RANGE
(c)
SLEW switches for 190 NM range. Wait 20 seconds before proceeding with test.
(d)
VELOCITY IN/OUT to OUT.
(e)
VELOCITY select switch to 600.
S 865-150
(16)
Put the test set X/Y switch to Y. DME-1 should lock on and both RDDMI DME-1 readouts should track outboard. Captain's EHSI should also track outboard and be within | 2 of RDDMI readouts. Observe DME readouts for approximately 2 minutes.
S 865-156
(17)
Open INST XFMR-1 circuit breaker and make sure that both captain's RDDMI DME readouts are flagged. DME-1 readout on first officer's RDDMI should remain locked on.
S 865-165
(18)
Open INST XFMR No. 2 circuit breaker. Make sure both first officer's RDDMI DME readouts are flagged.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 865-172
(19) To test DME No. 2, repeat Prepare to Test and DME System Test procedures using appropriate airplane switches and controls for DME system No. 2.
NOTE: Be sure remote test set antenna is placed approximately 21
____
inches from DME No. 2 antenna.
S 865-174
(20) Restore airplane and test set to original configuration and remove electrical power if no longer required (AMM 24-22-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
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ú ú 02 Page 508 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
DME ANTENNA - REMOVAL/INSTALLATION
__________________________________
1. General
_______
A. This procedure has two tasks. One is the removal of the DME antenna. The other is the installation of the DME antenna. The installation task includes a test of the DME antenna.
B. Two DME antennas are installed on the airplane. The antennas are on the bottom centerline of the fuselage. The DME system No. 1 antenna is at station 468 and the DME system No. 2 antenna is at station 580 (Fig. 401).
TASK 34-55-11-024-001
2. Remove the DME Antenna (Fig. 401)
______________________
A. Equipment
(1) Aerodynamic smoother cutting tool - hardwood or plexiglass
B. Prepare for Removal
S 864-040
(1) For the DME No. 1 and DME No. 2 system antennas, open the DME-1 and DME-2 circuit breakers on the P18 and P6 circuit breaker panels.
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