Whelen 550 User Manual

®

ENGINEERING COMPANY INC.

Route 145, Winthrop Road,
Chester, Connecticut 06412
Phone: [phone]
Fax: [phone]
Internet: www.whelen.com
Sales/Service e-mail: [e-mail]

90101 Series Strobe Light Power Supply
Installation . . .

1. On both wings of the aircraft, remove the
wingtip access panel by unscrewing the
mounting screws.

2. Remove existing strobe light power supply
from the wing -t ip acc ess cut -out by re movi ng
the four mounting screws. Disconnect cables
from power supply.

3. Install the two supplied mounting brackets
(“A” and “B”) with lips on top of existing
brackets, located inside wing-tip access cut­out, and secure with the four mounting
screws.
IMPORTANT NOTE: When brackets are
installed, insure that the upward slope is
facing outboard of the wing.

4. Connect the Whelen Strobe Light Power
Supply to the connectors of the existing
cables and install the power supply onto “A”
and “B” mounting brackets with the
connectors facing outboard. Secure the
power supply with the four #8-32 MS51957­46mounting screws (supplied) to the “A” and
“B” mounting brackets.

5. Replace the wingtip access panel over the
wingtip cut-out, and secure w it h the m oun tin g
screws.

EXISTING
BRACKET

MOUNTING BRACKET
LIPS ON TOP OF EXISTING
BRACKETS

Wingtip Power Supply Replacement for

Cessna Citation 550, Ser ial #128 and above,

S550 and 560 serial #0001-0256 w ithout

SB560-3308 applied, with 90159 Series

Wingtip Strobe Light Assembly.

MOUNTING BRACKET LIPS
ON TOP OF EXISTING
BRACKETS

MOUNT. BRACKETS “A” & “B” TO SLOPE UPWARD FACING OUTBOARD OF AIRCRAFT WING

EXISTING BRACKET

OUTBOARD

MOUNTING BRACKET “B”

MOUNTING BRACKET “A”

EXISTING
BRACKET

VIEW A-A

INBOARD

MOUNTING BRACKETS “A”
AND “B” ARE TO SLOPE
UPWARD FACING OUTBOARD
OF AIRCRAFT WING

EXISTING MOUNTING SCREWS (QTY. 4) TO SECURE

Aviation

MOUNTING BRACKETS TO EXISTING BRACKETS

©1997 Whelen Engineering Company Inc.
Form No.13048C (052102)

EXISTING
BRACKET

D

AR

O

TB

U

O

BRACKET LIP

NOTE: ACCESS CUT-OUT SHOWN IN
ISOMETRIC DRAWINGS AS SEEN FROM
BELOW THE AIRCRAFT’S WING

MOUNTING BRACKET “B”

BRACKET LIP

PN / 11-170576-000

MOUNTING BRACKET “A”

PN / 11-170575-000

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Strobe Light Power Supply Installation Instructions (Whelen 90101 Series)

AIRCRAFT

SKIN

UTBO

O

ARD

ACCESS

CUT-OUT

H

W

T

H

IG

L

MOUNTING

BRACKET “B”

MOUNTING

BRACKET “A”

E

B

O

Y

R

L

T

P

S

P

U

N

S

E

L

R

E

E

W

O

P

OUTBOARD

CONNECTORS ON STROBE
LIGHT POWER SUPPLY
MUST FACE OUTWARD

IMPORTANT NOTE: CONNECT
CABLES TO STROBE LIGHT
POWER SUPPLY BEFORE
INSERTING INSIDE ACCESS
CUT-OUT AND SECURE TO
MOUNTING BRACKETS.

OUTBOARD

WHELEN STROBE

LIGHT POWER SUPPLY

WHELEN STROBE

LIGHT POWER SUPPLY

Four, #8-32 (MS51957-46)
mounting screws to secure
strobe light power supply
to mounting brackets “A” & “B”

WARNING! THE STROBE LIGHT POWER SUPPLY
IS A HIGH VOLTAGE DEVICE. DO NOT REMOVE
STROBE TUBES OR DISMANTLE THE STROBE
LIGHT HEAD ASSEMBLIES WHILE IN OPERATION.

WAIT 10 MINUTES AFTER TURNING POWER

OFF
BEFORE STARTING WORK ON ANY TROUBLE
SHOOTING.

Form No.13048C

Page 2