Hangar 9 Piper Cherokee Instruction Manual page 34

Section 10: Installing the Landing Gear
Step 5. Remove the landing gear mounting straps and the
landing gear from the wing. Using a 1/16'' drill bit, drill the four
mounting holes as marked in the previous step.
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Step 6. Reposition the landing gear and straps as described
previously. Using the four 2.8mm self-tapping screws located in
the hardware bag, fasten the landing gear to the bottom of the
wing as shown.
Step 7. Repeat the process to mount the second main landing
gear in the wing.
CONTINUED