E. Procedure
S 862-002
(1)
Make sure the downlocks are installed on the nose and main landing gear.
S 862-003
(2)
If one tire on the main gear axle is flat, do these steps:
(a)
Use the minimum height axle jacks to lift the airplane (AMM 07-11-11/201).
(b)
If you cannot install the axle jack, do these steps:
1) Put an inclined block below the good wheel. Push the good wheel onto the block.
NOTE: Make sure the block is of sufficient height to make
____ the subsequent installation of an axle jack not necessary.
S 862-004
(3) If two tires on the main gear axle are flat, do these steps:
(a)
If jacks of correct heights are available, use the minimum height axle jacks to lift the airplane (AMM 07-11-11/201).
(b)
If jacks of correct height are not available, do one of the two procedures that follow: 1) Do this procedure to inflate the tires:
a) Make sure one tire is in satisfactory condition and is in the correct position on the wheel.
WARNING: ALWAYS USE A PRESSURE REGULATOR ON A HIGH
_______ PRESSURE AIR SOURCE WHEN YOU INFLATE THE TIRES. DO NOT INFLATE THE TIRES ABOVE THE TIRE STRUCTURAL LIMITS. DAMAGE TO THE TIRES CAN OCCUR.
b) Make sure a source of high pressure air is available,
such as air bottles. c) Inflate the tires (AMM 12-15-51/301). d) Install the axle jacks.
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A
737-300/400/500MAINTENANCE MANUAL
2) Do this procedure to lift the main gear onto inclined blocks: a) Put one inclined block below each wheel of the main
gear.
NOTE: The slope of the inclined blocks are not
____ important except for the increased tow-bar load. The blocks must be level at a minimum height of 4 inches to install a jack with a closed height of 10 inches.
b) Push or pull the airplane to move the main gear up the inclined blocks. c) Install the axle jack between the wheels of the gear.
S 862-013
(4) Remove the downlocks on the nose and main landing gear if they are not necessary after the repair.
TASK 07-11-31-862-006
3. Jack Procedure at the Nose Landing Gear Axle
____________________________________________
A. General
CAUTION: WHEN YOU JACK THE AIRPLANE, DO NOT PUT THE JACK UNDER ANY PART
_______ OF THE LANDING GEAR EXCEPT FOR THE AXLE JACK PADS AT JACK POINTS F. IF YOU DO NOT PUT THE JACK IN THE CORRECT LOCATIONS, LANDING GEAR FAILURE CAN OCCUR.
(1)
Obey this CAUTION during all of this task.
(2)
There are jack points under each landing gear axle to permit the removal of the wheel and tire or brake assembly without the airplane fully lifted.
NOTE: There are no wind restrictions when you lift the airplane at
____
Jack Points F with axle jacks.
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B.
C.
D.
E.
A 737-300/400/500MAINTENANCE MANUAL
(3)
Refer to AMM 07-11-11/201 for the approximate axle jack pad heights and clearances between the tires. Use the table for reference only. The dimensions can change in different conditions.
(4)
If you jack the airplane at nose jack point D (AMM 07-11-21/201, Lift Airplane Nose), an axle jack is not necessary.
(5)
Follow this safety instruction when you lift the airplane on jacks:
(a) Remove only one wheel on each gear at a time.
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