Table of Contents
Advertisement
PIPER AIRCRAFT CORPORATION
PA-18R-201, ARROW
SECTION 9
SUPPLEMENT
7
B. In case of Electric Trim Malfunction (either manual electric or
autotrim):
I.
AP DISC/TRIM INTER Switch - PRESS and HOLD
throughout recovery.
2.
PITCH TRIM Circuit Breaker - PU LL.
3.
Aircraft - RETRIM manually.
CAUTION
When disconnecting the autopilot after a trim
malfunction, hold the control wheel firmly; up
to 45 pounds of force on the control wheel may
be
necessary to hold the aircraft level.
Maximum Altitude losses due to autopilot malfunction:
Configuration
Cruise, Climb, Descent
Maneuvering
APPR
SECTION 4 - NORMAL PROCEDURES
A. PREFLIGHT (Perform prior to each flight)
ALT Loss
550'
100'
100'
I.
GYROS - Allow 34 minutes for gyros to come up to speed.
2.
AVIONICS MASTER Switch- ON.
3.
PREFLIGHT TEST Button - PRESS momentarily and
NOTE:
a.
All annunciator lights on (TRIM annunciator flashing).
b.
After approximately 5 seconds, all annunciator lights off
except AP which will flash approximately 12 times and
then remain off.
NOTE
If TRIM warning light stays on then the
autotrim did not pass preflight test. The
autopilot circuit breakers should be pulled. The
autopilot and manual electric trim will be
inoperative.
ISSUED: SEPTEMBER 15, 1988
REPORT: VB-1365
3
of
18,
9-57
Advertisement
Chapters
Table of Contents
