TECHNICAL BULLETIN
No.
430-08-43
DATE
Date MAR 04, 2008
REV
Page
MODEL AFFECTED:
430
SUBJECT:
CIRCUIT BREAKER IDENTIFICATION COLLAR,
INSTALLATION OF.
HELICOPTERS AFFECTED:
Model 430 helicopters serial number 49001 through
49126.
[Model 430 helicopters serial number 49127 and
subsequent will have the
intent of this
bulletin accomplished prior to delivery]
COMPLIANCE:
Bell Helicopter recommends accomplishment of
this bulletin.
DESCRIPTION:
As an aid to visibly identify the Emergency Bus 1 Power, Emergency Bus 2 Power and
Essential Bus Power circuit breakers, Bell Helicopter has introduced a colored (yellow)
identification collar.
APPROVAL:
The engineering design aspects of this bulletin are Transport Canada Civil Aviation
(TCCA) approved.
MANPOWER:
Approximately 0.1 man-hours are required to complete this bulletin. Man-hours
are based on hands-on time, and may vary with personnel and facilities available
WARRANTY:
There is no warranty credit applicable for parts or labor associated with this Bulletin.
AN APPROPRIATE ENTRY SHOULD BE MADE IN THE AIRCRAFT LOGBOOK UPON ACCOMPLISHMENT
IF OWNERSHIP OF AIRCRAFT HAS CHANGED PLEASE FORWARD TO NEW OWNER
1 of 3
TB 430-08-43
Page 2 of 3
MATERIALS:
Required Material:
The following material is required for the accomplishment of this bulletin and may be
obtained through your Bell Helicopter Textron Supply Center.
Part Number
Nomenclature
Quantity
10164-9
Identification Collar
3 per A/C
Consumable Material:
None required.
SPECIAL TOOLS:
None required.
WEIGHT AND BALANCE:
Not affected.
ELECTRICAL LOAD DATA:
Not affected
REFERENCE:
BHT-430-FM-1, Section 3.
PUBLICATIONS AFFECTED:
BHT-430-MM-10, Illustrated Parts Breakdown (IPB)
ACCOMPLISHMENT INSTRUCTIONS:
1. Pull EMER BUS 1 PWR (CB-D1), EMER BUS 2 PWR (CB-D18) AND ESS BUS
PWR (CB-C18) circuit breakers located on the overhead circuit breaker panel
(cockpit). See Figure 1.
TB 430-08-43
Page 3 of 3
2. The collar is to be snapped into place, and must be installed with its cone shape
section oriented down, as shown in Figure 2. Using thumb and index, position
Identification collar’s opening against the flared section of the circuit breaker’s body
and press. Perform on all three (3) circuit breakers listed in step 1.
3. Push in (set) all three (3) circuit breakers listed in step 1.
4. Annotate the helicopter records to reflect compliance with this bulletin.