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A
737-300/400/500MAINTENANCE MANUAL
NOSE WHEEL STEERING SYSTEM - TROUBLE SHOOTING
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1. General
_______
A. The trouble shooting procedures are based on performance of system operational test and are presented in a tree-type format. When a test step does not check out, perform specified corrective action, then repeat step where failure was encountered.
WARNING: TO PREVENT PERSONNEL INJURY OR EQUIPMENT DAMAGE DURING INTERNAL LEAKAGE
_______ CHECKS, KEEP PERSONNEL AND EQUIPMENT CLEAR OF HYDRAULIC COMPONENTS THAT CAN MOVE.
2. Prepare for Trouble Shooting
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A. Jack nose wheels.
B. Place greased plates under nose wheels.
C. Lower airplane.
D. Place landing gear handle in DN position.
E. Pressurize hydraulic system A per 29-15-00, MP.
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737-300/400/500MAINTENANCE MANUAL
3. Trouble Shooting Charts
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A 737-300/400/500MAINTENANCE MANUAL
NOSE GEAR STEERS TOO SLOW.
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A 737-300/400/500MAINTENANCE MANUAL
TO REMAIN FREE OF FORE AND AFT VIBRATION OF THE NOSE GEAR, WHEELS AND TIRES MUST BE MAINTAINED WITHIN BALANCE LIMITS SPECIFIED BY THE MANUFACTURER. WHEELS, WHEN ASSEMBLED IN ACCORDANCE WITH MANUFACTURERS INSTRUCTIONS, ARE NOT A SIGNIFICANT CONTRIBUTOR TO IMBALANCE AND SHOULD NOT CHANGE DURING OPERATION. OUT-OF-BALANCE TIRES RESULTING FROM FLAT SPOTS ARE THE PRIMARY CAUSE OF FORE AND AFT VIBRATION. PER FAR 37.167 (TSO-C62C), TIRE IMBALANCE MUST NOT EXCEED 18 IN-OZ FOR A 27 INCH TIRE. TIRES THAT CONNOT BE MAINTAINED IN BALANCE MUST BE REPLACED.
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A 737-300/400/500MAINTENANCE MANUAL
NOSE GEAR WILL NOT FOLLOW-UP AND CENTER.
Check cable tension. IF -
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A
737-300/400/500MAINTENANCE MANUAL
NOSE WHEEL STEERING SYSTEM - ADJUSTMENT/TEST
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1. General
________
A. This procedure contains two tasks:
(1)
The adjustment of the steering system on the nose wheel.
(2)
The test of the steering system on the nose wheel.
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