(a)  
Luma Electric Equipment Co. Degausser, Model 85 (60 Hz 115 volt) 1607 Coining Dr., Toledo, Ohio 43612

 (b)  
Electro-Matic Products Co. Degausser, Models A1-3 & A1-4 (60 Hz 115 volt) 2235 North Knox Avenue, Chicago, Illinois 60639

 (c)  
Printz Electric Company Degausser, Model JD (50/60 Hz 120 volt), 20854 W. 8 Mile Rd., Southfield, Michigan 48075

 (2)  
Nose Jack

 B. References
 (1)  07-11-21/201, Jack Airplane Nose
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737-300/400/500MAINTENANCE MANUAL
 (2)  32-33-00/501, Nose Gear Extension and Retraction
 C. Access
 (1)  Location Zone
 204 Nose Landing Gear

 D. Procedure
 S 862-030
 CAUTION:_______DO NOT USE THE DEGAUSSER NEAR THE MAGNETIC COMPASS. A STRONG MAGNETIC FIELD CAN CAUSE DAMAGE TO THE MAGNETIC COMPASS.
 CAUTION: DO NOT TURN ON THE DEGAUSSER WHEN LESS THAN 10 FEET FROM THE
_______ AIRPLANE. A CHANGE IN THE STRONG MAGNETIC FIELD OF THE DEGAUSSER CAN PUT A MAGNETIC FIELD IN THE AIRPLANE STRUCTURE.
 (1)
Turn on the degausser not less than 10 feet from the airplane.

 S 862-020

 (2)  
Move the degausser slowly from the side of the airplane to the strut assembly of the nose landing gear.

 S 862-021
 CAUTION:_______DO NOT TOUCH THE SURFACE OF THE STRUT WITH THE DEGAUSSER. YOU CAN PUT A STRONG MAGNETIC FIELD ON THE STRUT.
 (3)  When the degausser almost touches the surface of the strut, move it up and down.
 NOTE: Use straight, parallel movements.
____
 S 862-022
 (4)  Move slowly around the surface of the strut. Continue to use straight, parallel movements.
 NOTE: Include the steering cylinders and the braces that hold
____
 them.

 S 862-023
 (5)  Move the degausser back to approximately one inch from the surface of the strut.
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737-300/400/500MAINTENANCE MANUAL
 S 862-065
 (6)  Move slowly around the surface of the strut in the opposite direction. Continue to use straight, parallel movements.
 NOTE: Include the steering cylinders and the braces that hold
____
 them.

 S 862-024
 CAUTION: DO NOT TURN OFF THE DEGAUSSER WHEN LESS THAN 10 FEET FROM THE
_______ AIRPLANE. A CHANGE IN THE STRONG MAGNETIC FIELD OF THE DEGAUSSER CAN PUT A MAGNETIC FIELD IN THE AIRPLANE STRUCTURE.
 (7)  
Move the degausser to a position not less than 10 feet from the airplane.

 S 862-025

 (8)  
Turn the degausser off.

 S 862-026

 (9)  
Do a check of the strut with a small compass to find all remaining magnetic fields.

 NOTE: Make sure that the compass needle does not turn when you hold
____ it 3 feet from the strut and move it around the area.
 S 862-027
 (10)
 If you find a magnetic field, do the procedure for the removal of the magnetic field again.

 S 862-028

 (11)
 If there is sufficient time, do the check that follows:

 (a)  
Lift the airplane's nose on jacks (AMM 07-11-21/201).

 (b)  
Retract the nose landing gear (AMM 32-33-00/501).

 (c)  
Do a check of the standby compass indication for all errors.

 (d)  
Lower the nose landing gear (AMM 32-33-00/501).

 (e)  
If you find an error caused by a remaining magnetic field, do the procedure for the magnetic field removal again.

 (f)  
Lower the airplane and remove the jacks (AMM 07-11-21/201).

 
　
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