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IF No Starter Cutout Or START VALVE OPEN Light Remains Illuminated:
Flight or Ground Operations:
Isolation Valve Switch ............................................................... CLOSED
Engine Bleed Air Switch (Affected Engine).....................................OFF
APU Bleed Air Switch (No. 1 Engine Only).....................................OFF
Isolates bleed air to prevent starter disintegration and possible aircraft
damage.
Additional Ground Operation Items:
Ground Air Source (If In Use)........................................DISCONNECT
Ensure air source is removed PRIOR to next step:
Start Lever .................................................................................. CUTOFF
* * * *
ENGINES, APU
Sec. 2.7 Page 30
Rev. 11/15/02 #41
Continental
737
Flight Manual
HIGH ENGINE VIBRATION
This condition is indicated by AVM levels in excess of 4.0 units
accompanied by perceivable airframe vibrations.
IF Not In Icing Conditions:
Throttle (Affected Engine).................................................RETARD
Disconnect autothrottle, if required.
Flight conditions permitting, reduce N1 to maintain AVM below
4.0 units.
* * * *
IF In Icing Conditions:
Accomplish the following on one engine at a time:
Start Switches................................................................................FLT
Throttle (Affected Engine)............................REDUCE TO 45% N1
Engine Anti-Ice Switches ..............................................................ON
After 5 seconds:
Thrust.................ADVANCE SLOWLY TO 80% N1 MINIMUM
Disconnect autothrottle, if required.
If vibration does not decrease, accomplish the procedure for “IF Not In
Icing Conditions” above. Other engine problems may be indicated.
* * * *
OR
737
Flight Manual
Continental
ENGINES, APU
Sec. 2.7 Page 31
Rev. 11/15/02 #41
>>@ LOW IDLE
The LOW IDLE light illuminated indicates the engine “RPM” for one or both
engines is below the minimum required for acceleration for go-around or
minimum required with engine cowl anti-ice ON.
Throttles................................................................ ADVANCE THROTTLES
UNTIL LIGHT EXTINGUISHES
Disconnect autothrottles, if required.
Note: LOW IDLE light illuminates at 25% N1.
* * * *
MANUAL START / INOPERATIVE STARTER VALVE
An engine with an inoperative starter valve may be started by operating the
valve manually. When this procedure is to be used, review the items listed and
coordinate the procedure closely with the ground personnel.
Use Normal Start Procedures With The Following Additions:
Direct ground crewmen to open the starter valve when “START ENGINE
NO.________” is announced.
Direct ground crewmen to release starter valve override when “RELEASE”
is announced.
Engine Start Switch...................................................................................GRD
Captain announces over interphone, and to flight crew, “START ENGINE
NO._________.”
Inform ground crewmen when N2 is rotating.
Normal Start Procedures................................................................OBSERVE
When N2 RPM indicates >>@ 46%, BCD 56% Captain
announces over interphone, “RELEASE.”
Engine Start Switch....................................................................................OFF
Check the start switch moves to OFF and duct pressure increases to the
prestart value.
* * * *
ENGINES, APU
Sec. 2.7 Page 32
Rev. 11/15/02 #41
Continental
737
Flight Manual
INTENTIONALLY LEFT BLANK
737
Flight Manual
Continental
ENGINES, APU
Sec. 2.7 Page 33
Rev. 11/15/02 #41
ONE ENGINE INOPERATIVE APPROACH AND LANDING
For ease of use, the ONE ENGINE INOPERATIVE APPROACH AND
LANDING checklist has been designed to incorporate all normal checklists from
the In Range phase through the Landing checklist. By incorporating both
normal and abnormal procedures, the flight crews will only have to refer to one
checklist.
Plan a Flap 15 landing. Flap 15 configuration results in a higher than normal
pitch attitude. There is a tendency to push the nose down to obtain a normal
visual sight picture. Use caution to avoid going below the normal glide path.
IN RANGE
Air Conditioning & Pressurization ...........................................................SET
If operating in the Standby Mode (as installed), verify the cabin altitude is
set 200 feet below the landing elevation.
Seat Belt Sign ................................................................................................ON
　
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