Piper Navajo PA-31 Service Manual page 420

PIPER NAVAJO SERVICE MANUAL
210
Figure 7-11.
Adjusting Main Gear Down Light Switch
3. Lower the hook, allowing it to rest on the feeler gauge. (The end of the gauge should be
even with the lock pin.) the switch should not be heard to actuate.
4. Again raise the hook, allowing the switch to actuate, and place a .030 gauge in the slot of
the side brace link.
5. Lower the hook. The switch should actuate allowing the green indicator light in the cockpit
to come on.
6.
When lowering hook, if the switch actuates too soon, adjust the switch toward the hook. If
it actuates too late, adjust the switch away from the hook.
7-34a. ADJUSTMENT OF MAIN INBOARD GEAR DOOR AJAR SWITCHES.
a. Ascertain that main inboard gear doors are adjusted properly.
b. With the master switch off, actuate the hand pump to bring the gear doors down.
c. Disconnect the actuator cylinder rod from the doors so they hang free.
d.
Locate the switch by adjusting the retainer nuts so that when the door is closed by hand, a click can
be heard approximately one inch before the door is completely closed.
CAUTION
Avoid extreme outward adjustment that would cause the switch
mounting tab to bend back when the door is closed, resulting in
damage to the switch unit.
NOTE
An ohmmeter or continuity tester can be used to indicate switch
actuation.
Revised: 3/11/81
LANDING GEAR AND BRAKE SYSTEM
2F18