Honeywell International Inc. DMA-37B2 Manuel D’Utilisation
Page 2009
10 Oct 2007
34-51-02
MAINTENANCE MANUAL
DMA-37B DME System
© Honeywell International Inc. Do not copy without express permission of Honeywell.
B. System Checkout
(1) General
(a) After installation of the DMA-37B DME System and inspection of the equipment in
accordance with Table 2002, perform a continuity and visual check of the system
interwiring in accordance with Paragraph 3.B.(2). A post-installation test in
accordance with Paragraph 3.B.(3) must then be performed.
(2) System Interwiring Check
(a) Visually check the system interwiring for abnormalities, such as cables rubbing
unprotected metal edges or tightly stretched cables. Check continuity of all
interwiring. In particular, check the following:
• Check that the DMA-37B is properly installed and the hold-down screw clamps
• Check that the DMA-37B is properly installed and the hold-down screw clamps
are tight.
• Check the wiring harness connectors for security and connection to the
DMA-37B.
• Check that the antenna transmission line connectors are securely fastened.
• Check that the control panel connectors are securely fastened.
• Check that the DME display is securely fastened.
• Check that the cables do not interfere with aircraft controls or other equipment.
• Check that the control panel connectors are securely fastened.
• Check that the DME display is securely fastened.
• Check that the cables do not interfere with aircraft controls or other equipment.
(3) Post-lnstallation Check
(a) Test Equipment Required
1
Table 2003 lists a ramp test set that can be used to determine if the DMA-37B
DME System is operating properly. Test sets other than that listed in Table 2003
can be used if their characteristics fulfill those listed under Characteristics
Required.
Table 2002. Inspection/Check Procedures
Equipment
Inspection/Check Procedure
4 MCU Unit Mount
As defined by manufacturer's instructions.
DMA-37B DME Interrogator
1.
Check that unit is fully inserted in mount and that
Interrogator the knurled screw clamps which secure the unit
in the mount are tight and safety wired.
2.
Inspect the case for deformation, dents, corrosion, and
damage to finish; make sure that ventilation holes in the unit
are not clogged.
NAV Control Panel
As defined by manufacturer's instructions.
DME Display
As defined by manufacturer's instructions.
DME Antenna
As defined by manufacturer's instructions.
Table 2003. Table of Test Equipment
Description
Characteristics Required
Representative Type
Transponder and DME
Test Set
Must have an X-channel and a Y-channel output.
Selected range must be variable from 0.1 to 400
nautical miles. Must transmit an ident tone.
Instrument Flight Research
Corp. (IFR) Model ATC-6OOA
or equivalent