Landing Gear

Question 1

When should the PWR STEER sw be placed to OFF?

Answer 1

In the event of a hydraulic leak of either the brakes, swivel locks, or power steering

Question 2

What provides a source of pressure for brake operation when the PWR STEER sw is OFF?

Answer 2

Brake accumulator

Question 3

What procedure should you use to Restore power steering control if the PWR STEER caution light comes on while taxiing?

Answer 3

Landing gear must be returned to within operation limits and switch must be cycled between STEER and UNLOCK

Question 4

What provides a source of pressure for swivel lock operation when the PWR STEER switch is OFF?

Answer 4

PWR STEER module accumulator

Question 5

How much pressure should be in the brake accumulator on preflight?

Answer 5

600-1400 psi

Question 6

What should be the position of the swivel switch for all takeoffs and landings?

Answer 6

Lock

Question 7

Which three sub systems are affected by the power steer switch?

Answer 7

Brakes, swivel lock, and PWR steering

Question 8

With the swivel switch on the steer position, what automatic DAFCS function is disabled?

Answer 8

Heading hold

Question 9

The turning limits for the CH47 are ______ degrees left and _____ degrees right

Answer 9

58

82

Question 10

What is the purpose of the aft wheel swivel locks?

Answer 10

To lock the wheels in Trail position

Question 11

What are the three positions of the swivel switch?

Answer 11

Steer\unlock\lock

Question 12

Which landing gear assembly is steered by using the steering control knob in the cockpit?

Answer 12

Aft right

Question 13

The pressure reducer reduces the normal System Pressure from _______ psi to ________ psi for brake operation.

Answer 13

3,000 psi

1,390 psi

Question 14

The air/oil shocks struts utilize ______ to absorb shock and ______ to dampen movement

Answer 14

Air

Oil

Question 15

Pressure to the centering cam piston is applied when the swivel switch is placed to the what position?

Answer 15

LOCK