Adjustment Of Landing Gear Safety Switch (Squat Switch); Adjustment Of Gear Back-Up Extender Actuator Switch - Piper Lance II Service Manual

LANCE II SERVICE MANUAL
7-35. ADJUSTMENT OF LANDING GEAR SAFETY SWITCH (SQUAT SWITCH). The
landing gear safety switch, located on the left main gear housing is adjusted so that the
switch is actuated within the last quarter of an inch of gear extension.
a. Compress the strut until 7.875 inches is obtained between the top of the gear fork
and the bottom of the gear housing. Hold the gear at this measurement.
b. Adjust the switch down until it actuates at this point. Secure the switch.
c. Extend and then compress the strut to ascertain that the switch will actuate within
the last quarter of an inch of oleo extension.
7-36. ADJUSTMENT OF GEAR BACK-UP EXTENDER ACTUATOR SWITCH. The
back-up gear extender actuator switch is mounted on the extender unit located under the
center seats floorboard. Inasmuch as the switch is a component of the back-up extender,
instructions for the adjustment of the switch will be found with the adjustment instructions
for the extender as found in Section VI.
7-37. LANDING GEAR WARNING SWITCHES (THROTTLE SWITCHES).
7-38. LANDING GEAR UP/POWER REDUCED WARNING SWITCH. The gear up/power
reduced warning switch (Switch "A") is within the control quadrant below the throttle
control lever. (Refer to Figure 7-12.) This switch will actuate the warning horn and red light
simultaneously when the landing gear is not down andlocked, and the throttle is reduced to
below 14 inches of manifold pressure.
7-39. REMOVAL OF LANDING GEAR UP/POWER REDUCED WARNING SWITCH.
a. Loosen the quadrant cover by removing the cover attaching screws from each side
and at the bottom of the cover.
b. Pull the cover aft enough to remove the screws that secure the reinforcing clip to the
top underside of the cover. Remove the cover.
c. Remove the switch from its mounting bracket by removing the switch attaching
screws.
d. Disconnect the electrical leads from the switch.
7-40. INSTALLATION OF LANDING GEAR UP/POWER REDUCED WARNING SWITCH.
a. Connect the electrical leads to the switch.
b. Position the switch with actuator follower against its mounting bracket and secure
with screws.
c. The switch may be adjusted at this time per instructions in Paragraph 741.
d. With the control levers aft, slide the quadrant cover into position around the
controls far enough to allow the cover reinforcement clip to be installed to the top
underside of the cover and secure with screws.
e. Install the cover and secure with screws.
Issued: 1/3/78
LANDING GEAR AND BRAKE SYSTEM
1K19