Teleflex 301 Owner's Manual page 73

Section C
While is possible
it
.
times a skilled field service technician and digital voltme-
.
ter are required.
.
the servicing, do not attempt to field service the system.
.
You may void your warranty.
for a user to service the autopilot, at
If
are not confident
you
Servicing and Troubleshooting
you handle
can