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MAINTENANCE MANUAL
DOOR SAFETY VALVE
B
SEE B SEE A SAFETY ROD CONTROL VALVE B
A
(OUTBOARD WALL) MAIN WHEEL WELLS ACTUATOR DOOR
A
DOOR LOCK ALTERNATE RELEASE UPLOCK RELEASE ACTUATOR ACTUATOR FOR THE MAIN LANDING GEAR
INBD
LEFT SIDE SHOWN; RIGHT SIDE OPPOSITE B
A
Main Landing Gear Door Actuator Lock Release Mechanism Adjustment
Figure 501 (Sheet 1)
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UNLOCK CRANK
RETURN STOP
SAFETY VALVE ON POSITION A-A
SAFETY ADJUSTMENT
DOOR
VALVE CAM SCREW
SAFETY VALVE
LOCK SCREW
LATCH SEE
SWITCH
SAFETY VALVE
CONTROL ROD
SAFETY VALVE ON POSITION SAFETY VALVE OFF POSITION B-B
Main Landing Gear Door Actuator Lock Release Mechanism Adjustment Figure 501 (Sheet 2)
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POWER PACK
HYDRAULIC SEE A PUMP
KEEL BEAMINBD FWD
RIGHT MAIN WHEEL WELL
ALTERNATE EXTENSION POWER PACK
A
ALTERNATE UPLOCK RELEASE ACTUATOR
SEE B
MAIN LANDING GEAR WHEEL WELLS (OUTBOARD WALL) INBD
B
Alternate Extension System Figure 501A
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(d) The power pack for the alternate extension system (which is in the wheel well for the right main landing gear), does not operate for more than 30 seconds. You can hear the power pack motor operate.
S 865-175
(8) Pressurize the left hydraulic system (AMM 29-11-00/201).
S 715-174
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE AREA
_______ AROUND ALL THE LANDING GEAR. THE DOORS CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(9)
Move the control lever for the landing gear to the DN position.
S 015-173
(10)
Open the access door for ground control of the landing gear doors, 198PR (AMM 06-41-00/201).
S 865-184
(11)
Find the electrical panel, P72, in the MLG wheel well.
S 715-171
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE AREA
_______ AROUND THE NOSE AND MAIN LANDING GEAR DOORS. THE DOORS CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OF DAMAGE TO EQUIPMENT.
(12) Operate the MAIN GEAR DOOR CLOSE switch to close the doors for the main landing gear.
S 715-170
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE AREA
_______ AROUND THE NOSE AND MAIN LANDING GEAR. THE DOORS CLOSE QUICKLY AND CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(13)
Find the left equipment panel, P63, on the nose landing gear. Operate the NOSE GEAR DOOR CLOSE switch on the P63 panel to close the doors.
S 865-169
(14)
Remove the power from the hydraulic system if it is not necessary (AMM 29-11-00/201).
(15)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
S 865-168
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SEE B SEE A FWD SEE C NOSE WHEEL WELL (LEFT WALL) A A
SEQUENCING
CONTROL ROD RETURN SPRING
DRIVE FACES TOUCH EACH
A
OTHER RELEASE DOOR LOCK OUTPUTACTUATOR
CRANK RETURN SPRING
INPUT CRANK
DOOR LOCK RELEASE ACTUATOR
FWD
B A-A
Nose Landing Gear Door Actuator Lock Release Mechanism Adjustment Figure 502 (Sheet 1)
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SAFETY VALVE LOCK RELEASE
CONTROL ROD CONTROL ROD
FOR THE DOOR
JAMNUT ACTUATOR
SEQUENCING DOOR SAFETY
CRANK VALVE
CC
SEED 6` TOLERANCE BAND
SAFETY VALVE JAMNUT CONTROL ROD
STRIKE BUTTON
DRIVE FACES
TOUCH EACH
OTHER
0.39-0.40 INCH SEQUENCING (9.91-10.16 mm) CRANK
RETURN CLEARANCE
STOP BOLT
LOCK RELEASE DOOR RELEASE
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本文链接地址：757 AMM 飞机维护手册 起落架 CHAPTER 32 - LANDING GEAR 2(96)
