ICON A5 MM : Wing : Wing Lock : Maintenance Instructions : Wing Lock Mounting Plate Component Replacement
Wing Lock Mounting Plate Component Replacement
100639-01
Use the following procedure to replace components on the assembly after it is out of the wing.
Applicable Aircraft Serial Numbers
All
Type of Maintenance
Line
Level of Certification
LSA-RM
Task Specific Training Required
No
Special Tools Required
None
Parts Required
ICA013019 (RH SENSOR MOUNT)
ICA013020 (LH SENSOR MOUNT)
ICA013018 (LATCH MOUNT)
ICA013017 (MOUNTING PLATE)
6C37MTT3 (SCREW)
MS21043-06 (NUT)
ICA009633 (LEVER SWITCH, RH)
ICA009632 (LEVER SWITCH, LH)
ICA009635 (PAWL SWITCH, LH)
ICA009634 (PAWL SWITCH, RH)
92949A118 (SCREW)
98019A309 (WASHER)
90715A005 (NUT)
ICA008397 (ACTUATING PIN)
9435K520 (SPRING)
98408A120 (RETAINING CLIP)
ICA010840 (EXTENDED LATCH PAWL)
ICA008395 (PIN)
98408A116 (RETAINING RING)
95630A234 (WASHER)
Aircraft System and Number
14—Wing
Safety Equipment
As Needed
Consumables
ICA012078 (GENERAL LUBRICANT)
Task Instructions
1. Remove the wing lock handle. (Wing Lock Handle Removal)
2. Remove the wing lock switch mounting plate. (Wing Lock Switch Mounting Plate Removal)
3. Remove the affected components from the wing lock switch mounting plate, discarding any retaining clips.
4. Install lock handle catch into lock mechanism housing using three 6C37MTT3 screws and MS21043-06 nuts. Apply lubricant liberally to threads and shank of the hardware. Torque hardware to 8-9 in-lbs. Ensure at least one full thread is protruding from the nut.
Note: 
The holes in the main housing are oversized. This allows for a lot of variation in how the catch housing can be installed onto the main housing. Install the catch housing so that it is positioned as high as possile on the main housing.
Figure 465. Assemble Lock Mechanism, Righ Hand Side Pictured
5. Install lever switch ICA009633 (L/H), ICA009632 (R/H) and pawl switch ICA009635 (L/H), ICA009634 (R/H) into the lock mechanism using two 92949A118 screws, 98019A309 washers, and 90715A005 nuts.
6. Install ICA008397 actuating pin, 9435K520 spring and new 98408A120 retaining clips. Ensure that new retaining clips are used.
7. Prepare the ICA010840 extended latch pawl by applying 76475A52 PTFE tape.
8. Install the extended latch pawl into the lock mechanism with two ICA008395 pins, four new 98408A116 retaining rings, and two 95630A234 washers. The pins should slide in easily by hand. Ensure that new retaining clips are used.
9. Install the wing lock switch mounting plate. (Wing Lock Switch Mounting Plate Installation)
10. Install the wing lock handle. (Wing Lock Handle Installation)
Verification Method
The procedure is complete when the component has been replaced and the wing lock handle and wing lock switch mounting plate are reinstalled.