3. Manual Override Up Latch: With the gear up, the aircraft in normal flight configuration, select up
on the gear override lever. Engage the up latch. The amber up latch warning light, below the gear
selector switch, should be flashing. Gradually slow the aircraft below the auto gear extend speed
and observe that the gear stays fully retracted. Disengage the up latch. The flashing amber warning
light should go out.
e. Gear Indicator Lights:
1. The green lights indicate when the corresponding gear is in the down and locked position. Turn
landing light switch on and off- observe ammeter for indication.
2. The red gear warning light will indicate an unsafe condition. It will indicate when the gear is in an
intermediate position neither fully up nor down. In conjunction with the gear warning horn, it will
indicate when the throttle setting is less than 14 +/- 2 inches of manifold pressure or when flaps
are set beyond 10° for aircraft that complied with Piper Service Bulletin 866A Part I, and have the
back-up extender disabled, or s/n 2837001 and s/n 2803001 and up while the gear is not down and
locked. It will also indicate when the gear is down and locked while the selector switch is in the
UP position.
f. The Gear Warning Horn: The gear warning horn will sound whenever the red gear warning light is on
and the throttle is closed or below 14 +/- 2 in. Hg of manifold pressure.
g. Micro Switch Check:
1. The aft throttle micro switch setting is checked as follows: with the gear up, reduce the throttle at a
normal rate. The gear warning horn and the red light should come on at 14 inches of manifold
pressure +/2.
NOTE
PA-28R-201 s/n’s 2837001 and up, and PA-28R-201T s/n’s 2803001 and up
do not have landing gear back-up extender systems installed.
Revised: 2/13/89
1I2
* CHEROKEE ARROW III SERVICE MANUAL
HYDRAULIC SYSTEM
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