What is the purpose of the bypass pin?

What is the purpose of the bypass pin?

The Bypass Pin Kits are used in the Ground Support (GSE). They are used as Gear Pin or Steering Bypass Pin for pushback. When the pin is inserted, the steering hydraulics on the landing gear are bypassed. This allows the aircraft to be moved by a tractor without having to deactivate the entire aircraft hydraulics.

What is a steering bypass pin?

Does a 737 have a bypass pin?

EH 4227. The Bypass Pin Kit is a unit consisting of a ball lock pin according to aviation standards, a lanyard and a “REMOVE BEFORE FLIGHT” flag.

What is the steering bypass pin on a B737?

B737 100-500 Steering Bypass Pin F72735-13. F72735-13 B737 100-500 Steering Bypass Pin. This pin is required to give the ground crew control of the nose wheel to enable them to move the aircraft. The Boeing series of aircraft require different size pins for different aircraft. For use towing and on pushback of aircraft.

What is the warning flag on a steering bypass pin?

Supplying a range of Hydraulic Lockout / Steering Bypass Pins covering most commercial aircraft types. All Lock Pins come ready fitted with a ‘’Remove Before Flight’’ flag. All lock pins are high quality stainless or plated steel. The warning flags are attached by robust split rings.

How can I bypass the steering wheel lock?

Here are three alternatives under this category for how to bypass steering wheel lock. 1. Try inserting the key Try inserting the key into ignition and turn the key and the steering wheel left and right all at once. Ensure that it is simultaneous. If the locking is accidental in nature, this trick will fix it with a click.

What happens if you dont use a bypass pin?

Failure to use a bypass pin when the hydraulic system is activated can lead to equipment damage and operator injuries, as well as damage to the aircraft. Since some aircraft cannot bypass hydraulic steering without shutting down the entire hydraulic system, a bypass pin saves time and makes towing easy.