−
Adjust the left and right weight-on-wheels proximity switches.
2
Rigging Of The MLG Doors
2.1
Preparation
2.1.1
Lift the aircraft clear of the ground on jacks, refer to AMM 12-B-07-10-00-00A-901A-A.
2.1.2
Open and install a Safety clip (circuit breaker hold open) (Pt.No. T12-030) on this circuit breaker:
−
LDG GEAR PWR (RH POWER JUNCTION BOX).
2.1.3
Remove the left and right main wheels, refer to AMM 12-B-32-40-01-00A-920A-A.
2.1.4
Make sure the landing gear selector-handle is set to DOWN.
2.1.5
Energize the aircraft electrical system, refer to AMM 12-B-24-00-00-00A-901A-A.
2.1.6
Set the PCL to MAX.
2.1.7
Set the flaps to zero degrees.
2.2
Procedure
This procedure is applicable to the left and right MLG doors.
2.2.1
Loosen the two locknuts Figure 1 [8] and fully extend the rod Figure 1 [9].
2.2.2
WARNING
IF THE EMERGENCY GEAR EXTENSION HANDLE IS OPERATED, AN ABNORMAL LANDING
GEAR SYSTEM CONFIGURATION CAN OCCUR . BEFORE YOU APPLY ELECTRICAL POWER
TO THE AIRCRAFT, ALWAYS MAKE SURE THAT THE GEAR SELECTOR HANDLE AND GEAR
POSITION AGREE. IF YOU DO NOT DO THIS, THE LANDING GEAR CAN RETRACT IF THE
AIRCRAFT SYSTEM IS IN A WEIGHT-OFF-WHEELS CONFIGURATION. THIS CAN CAUSE INJURY
OR DEATH TO PERSONNEL AND/OR DAMAGE TO THE AIRCRAFT.
Remove the safety clip and close this circuit breaker:
−
LDG GEAR PWR (RH POWER JUNCTION BOX).
2.2.3
Retract the landing gear.
2.2.4
Make sure the MLG leg fully retracts.
2.2.5
Open and install a Safety clip (circuit breaker hold open) (Pt.No. T12-030) on this circuit breaker:
−
LDG GEAR PWR (RH POWER JUNCTION BOX).
2.2.6
Adjust the rod Figure 1 [9] to get a gap of 0.004 in. (0,1 mm) between the MLG door Figure 1 [1] and
the nylon stop Figure 1 [2].
2.2.7
Tighten the two locknuts Figure 1 [8].
2.2.8
Look around the edges of the MLG door Figure 1 [1] and identify the areas that do not align correctly
with the wing surface.
2.2.9
If adjustment of the door is necessary, do these steps:
2.2.9.1
Remove the safety clip and close this circuit breaker:
−
LDG GEAR PWR (RH POWER JUNCTION BOX).
2.2.9.2
Extend the landing gear.
2.2.9.3
Open and install a Safety clip (circuit breaker hold open) (Pt.No. T12-030) on this circuit breaker:
−
LDG GEAR PWR (RH POWER JUNCTION BOX).
2.2.9.4
Use a Smooth file (Pt.No. Local supply) and Abrasive paper (Pt.No. P02-012) to remove material from
the door until the areas of the MLG door Figure 1 [1] identified in Step 2.2.8 align with the wing bottom
surface.
PC-12/47E AMM Doc No 02300, ISSUE 01 REVISION 26 MSN 545, 1001-1719,
1721-1999
12-B-AM-00-00-00-I
UNCLASSIFIED
Effectivity: All
12-B-32-10-00-00A-903B-A
UNCLASSIFIED
2021-12-04 Page 3