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(2) Make sure these circuit breakers on the overhead panel, P11, are
closed:
(a) 11C30, LANDING GEAR POS SYS 1
(b) 11S15, AIR/GND SYS 1
(c) 11S17, DOORS CLOSE GROUND ACCESS
(d) 11S19, AIR/GND SYS 2
(e) 11S23, POS SYS 2
S 735-230
CAUTION: MAKE SURE YOU OBSERVE THE PLACARD SPEEDS FOR THE LANDING_______
GEAR.
(3) Move the control lever for the landing gear to the DN position.
S 735-203
(4) Make sure the landing gear is down and locked and the doors are
closed and locked.
S 735-204
(5) Move the control lever for the landing gear to the UP position to
retract the landing gear.
S 735-205
(6) Move the control lever to OFF when the landing gear are up and
locked with the doors closed.
S 865-227
(7) Open this circuit breaker on the overhead panel, P11:
(a) 11D31, HYDR PTU CONT
S 735-206
(8) Remove the pressure from the left hydraulic system
(AMM 29-11-00/201). Make sure the pressure is less than 200 psig.
S 735-207
(9) Make sure the landing gear doors stay closed and locked.
S 735-208
(10)
Move the control lever to the DN position. S 735-209
(11)
Make sure the landing gear doors stay in the locked position. S 735-210
(12)
Pressurize the left hydraulic system (AMM 29-11-00/201).
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S 735-231
(13)
Make sure the landing gear extends.
S 735-232
(14)
Move the control lever to the up position.
S 735-233
(15)
Make sure the landing gear retracts.
E.
Inflight Test of the Alternate Extension System
S 715-211
(1)
Do a Test of Alternate Extension with the Control Lever in the OFF position.
(a)
Move the control lever to the OFF position.
CAUTION: MAKE SURE YOU OBSERVE THE PLACARD SPEEDS WHEN YOU DO THE
_______
ALTERNATE EXTENSION.
(b)
Put the ALT GEAR EXTEND switch to the DN position.
(c)
Make sure the landing gear doors open and the landing gear extend to the down and locked position. 1) Monitor the time between operation of the switch and when
the green DOWN lights (left, right, and nose) come on. Make sure it is less than 20 seconds. 2) Make sure the amber DOORS light is on.
(d)
Move the control lever to the DN position. Make sure the amber DOORS light stays on.
S 715-212
(2)
Do a Test of Alternate Extension with the Control Lever in the UP Position.
(a)
Move the control lever for the landing gear to the UP position.
(b)
Make sure these lights show that the landing gear and doors are
in the up and locked position: LEFT green DOWN light off RIGHT green DOWN light off NOSE green DOWN light off GEARS amber caution light off DOORS amber caution light off
(c)
Move the control lever to the OFF position. Make sure the green DOWN and amber GEARS and DOORS lights do not come on.
(d)
Move the control lever to the UP position.
(e)
Make sure the green DOWN and amber GEARS and DOORS lights do not come on.
CAUTION: MAKE SURE YOU OBSERVE THE PLACARD SPEEDS FOR THE LANDING
_______ GEAR WHEN YOU DO THE ALTERNATE EXTENSION.
(f) Put the ALT GEAR EXTEND switch to the DN position.
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(g)
Make sure the landing gear extends to the down and locked position with all doors open.
(h)
Make sure the amber DOORS light is on.
(i)
Make sure the LEFT, RIGHT and NOSE green DOWN lights are on.
(j)
Move the control lever to the DN position.
(k)
Move the control lever to the UP position.
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