Whelen 7137901 User Manual
20 AWG MIL-22759/43
Lead Length: 6.0" ±1.0"
20 AWG MIL-22759/43
Lead Length: 6.0" ±1.0"
Ø1.25
Ø1.25
1.05
.55
2.30
1.80
110° REF
110° REF
2.31
2.31
1.75
1.75
WHITE +28VDC
RED +14VDC
BLACK (-) GROUND
BLACK (-) GROUND
Model(s):
7137901 (28V Green)
7137902 (28V Red)
7137951 (28V Green)
7137952 (28V Red)
Model(s):
7137911 (14V Green)
7137912 (14V Red)
®
ENGINEERING COMPANY INC.
MADE IN THE U.S.A.
51 Winthrop Road
Chester, Connecticut 06412-0684
Phone: (860) 526-9504
Fax: (860) 526-2009
Internet: www.whelen.com
Sales/Service e-mail: aviation@whelen.com
Installation Guide: 71379( )-series
Models 7137901, 02, 11, 12, 51, 52
P/N: 01-0771379-01, -02, -11, -12, -51, -52
LED Forward Position
Light Assembly
TSO-C30c
TYPES I, II
APPROVED
OPERATING INSTRUCTIONS:
Nominal Operational Voltage:........................... 14/28 VDC
(14 Volt Operation from 11-16 VDC)
(28 Volt Operation from 24-32 VDC)
Input Current:.....................................................0.25 Amps
EQUIPMENT LIMITATIONS: An approved forward position
lighting system consists of two lights, one located on each
wingtip. The baseplate must be mounted parallel to the vertical
and horizontal centerlines of the aircraft to project the patterns
properly.
Certain types of installations my require additional testing.
CONTINUED AIRWORTHINESS: The 71379 series LED
wingtip position light assembly is designed with 3 LED’s.
Should any one LED fail, the unit must be repaired or replaced.
Inspect the lens. Replace if there is excessive scratching,
discoloration or cracking.
INSTALLATION PROCEDURES: The following information is
to assist in the installation of a Whelen LED Forward Position
Light System.
1. Choose the appropriate 71379( ) light assembly.
2. Using the mounting detail information provided, prepare
the aircraft for means to secure the LED light assembly.
3. Connect the position light inputs according to the chart
shown. Connect the power lead to an appropriate sized
breaker. Connections to be in accordance with FAA
approved methods.
4. Remove the lens retainer and lens from the assembly
CAUTION! Do not touch the LED lens surface with either
fingers or sharp objects. This could soil and/or damage
the lens and effect the optical performance of the LED.
5. Using appropriate hardware, install light assembly and
insure that all leads are clear of any obstructions and
secured as required. Secure light assembly using
vibration resistant threaded fasteners.
6. Reinstall the lens so that the two notches are positioned
under the shroud, with each notch equidistant to the
centerline. Confirm proper gasket fit.
7. Install lens retainer. Re-insert #6 flat head screw and
tighten firmly.
Aviation
©2011 Whelen Engineering Company Inc.
Form No.14456A (051214)
The conditions and tests required for TSO approval of this article are minimum
performance standards. It is the responsibility of those installing this article either on
or within a specific type or class of aircraft to determine that the aircraft installation
conditions are within the TSO standards. TSO articles must have separate approval
for installation in aircraft. The article may be installed only if performed under 14 CFR
part 43 or the applicable airworthiness requirements.
8. When necessary, waterproof the light base to aircraft. Apply single
part silicone (RTV) or equivalent around any open area where water
could get in.
9. Check all avionics systems for interference from the installation.
10. A flight check should be performed by a properly certified pilot.
11. Update aircraft records, complete Form 337 and obtain FAA field
approval for installation, if necessary.
Page 1
1.31
.656
.29
1.837
1.00
1.38 DIA.
.140 DIA. (3X)
C
L
Mounting Hole Pattern
2
3
ITEM
PART NUMBER DESCRIPTION
Assy, Forward Position Light, 28V, Green
Assy, Forward Position Light, 28V, Red
Assy, Forward Position Light, 14V, Green
Assy, Forward Position Light, 14V, Red
Assy, Forward Position Light, 28V, Black Anodized, Green
Assy, Forward Position Light, 28V, Black Anodized, Red
Assy, Light Head, 28V (Green)
Assy, Light Head, 28V (Red)
Assy, Light Head, 14V (Green)
Assy, Light Head, 14V (Red)
Assy, Light Head, 28V, Black Anodized, Green
Assy, Light Head, 28V, Black Anodized, Red
Gasket, Lens
Lens, Hardcoat
Retainer, Lens
Retainer, Lens, Black Anodized
Screw, 6-32 x 3/4 PFHMS (MS51959-32)
Screw, 6-32 x 3/4 PFHMS (MS51959-32B)
01-0771379-01
01-0771379-02
01-0771379-11
01-0771379-12
01-0771379-51
01-0771379-52
01-0271850-01
01-0271850-02
01-0271850-11
01-0271850-12
01-0271850-51
01-0271850-52
38-0230021-00
68-3950902A30
19-171596-100
19-171596-200
14-0050508-32
14-0050508B32
QTYQTYQTY QTY QTY QTY
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111
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123
546
7
8
91110
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