(r)  
Make sure that the VHF radio is on and set to the correct frequency.

 NOTE: This is for radio communications with the authority for
____
 the airport ground control.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
Condition
One man in the control cabin
One man at cabin station 990
1000 pounds attached to the nose gear
1000 pounds loaded at the forward cargo hold
One engine removed
Two engines removed Fuel in the Wing Tanks - Pounds
2,500 5,000 7,500
10,000
12,500
15,000
17,500
19,122
20,087
670
Incremental
Inches

-1.5
+1.2
-6.7
-3.8
+9.5
+20.7

-1.9 -3.3 -4.3 -5.1 -5.8 -6.2 -5.3
-3.5
CG Shift % MAC
-1.1 +0.9 -5.0 -2.9 +7.1 +15.4
-1.4 -2.4 -3.2 -3.8 -4.3 -4.6 -4.0
-2.6

CG STATION - INCHES
667
30
664
661
658
655
CG % MAC

25
20
652
AIRPLANE GROSS WT - 1000 LBS
NOTE:USE THE HORIZONTAL STABILIZER SETTING BETWEEN THE TRIM UNITS 1 AND 7 WHEN YOU TOW AIRPLANE. SEE THE STABILIZER POSITION INDICATOR ON THE AISLE CONTROL STAND IN THE CONTROL CABIN.
Towing Center of Gravity Limitations Figure 201
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A 737-300/400/500MAINTENANCE MANUAL

THE MAXIMUM TOWING ANGLE IS 75 DEGREES.
Taxi Turning Radius Figure 202
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A 737-300/400/500MAINTENANCE MANUAL

INLET 
COWL 
LIP 
_______WARNING: KEEP ALL PERSONS OUT OF THE DANGEROUS AREA DURING 
ENGINE OPERATION. IF THE SURFACE WIND IS MORE 
THAN 25 KNOTS, INCREASE THE DANGEROUS AREA AT THE 
ENGINE INLET BY 20 PERCENT. 
CLEAN THE RAMP IF THERE IS SNOW, ICE, WATER, OIL 
OR OTHER CONTAMINATION ON THE RAMP. YOU CAN ALSO 
MOVE THE AIRPLANE TO A LOCATION THAT IS CLEAN. 
MAKE SURE THAT ALL PERSONS ARE SAFE BEFORE YOU 
START THE ENGINE. 
MAKE SURE THE PERSONS IN THE FLIGHT COMPARTMENT 
CAN SPEAK TO ALL PERSONS NERAR THE DANGEROUS AREA 
DURING ENGINE OPERATION. 
OBEY ALL OF THE GROUND SAFETY PRECAUTIONS FOR THE 
ENGINES. 
THE ENGINES CAN PULL PERSONS OR UNWANTED MATERIALS 
INTO THEM AND CAUSE INJURIES TO PERSONS OR DAMAGE 
TO EQUIPMENT. 
IDLE POWER 
(FORWARD THRUST) 

Engine Inlet and Exhaust Hazard Areas
Figure 203 (Sheet 1)

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A

737-300/400/500
MAINTENANCE MANUAL

INLET COWL LIP
_______ KEEP ALL PERSONS OUT OF THE DANGEROUS AREA DURING
WARNING: ENGINE OPERATION. IF THE SURFACE WIND IS MORE THAN 25 KNOTS, INCREASE THE DANGEROUS AREA AT THE ENGINE INLET BY 20 PERCENT.
CLEAN THE RAMP IF THERE IS SNOW, ICE, WATER, OIL OR OTHER CONTAMINATION ON THE RAMP. YOU CAN ALSO MOVE THE AIRPLANE TO A LOCATION THAT IS CLEAN.
MAKE SURE THAT ALL PERSONS ARE SAFE BEFORE YOU START THE ENGINE.
MAKE SURE THE PERSONS IN THE FLIGHT COMPARTMENT CAN SPEAK TO ALL PERSONS NERAR THE DANGEROUS AREA DURING ENGINE OPERATION.
　
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