PS Engineering PM1000II 11922 - Manual (Page 7)

Revision 5, Feb. 2012 Page 7 200-123-0003
Appendix C
Instructions for Continuing Air-
worthiness
The PM1000II is considered an “on-condition” main-
tenance item. It is checked prior to each flight during
normal operation. There are no additional considera-
tions for continuing airworthiness other than the prac-
tices detailed in AC 43.13-1A, Chapter 11. This in-
cludes, inspecting the unit to be sure it is securely fas-
tened in its location, and that the wiring harness is not
chafed or pinched, and remains secure. All panel jacks
should be checked at each periodic inspection to en-
sure that they are tight and not in contact with other
items behind the instrument panel.
Procedures for the Telex PT-300
1.Unscrew the round black plastic cover from the
jack
2.Remove the heat shrink material from the joined
black wires
3.Solder these two wires to the lug that has a
white wire already soldered to it.
4.Replace the black plastic cover
Appendix B
Instructions for FAA Form 337
It is up to the installer to determine if the installation is
a major or minor aircraft alteration. (Refer to AC 20-
177). One possible method of airworthiness approval
is through an FAA Form 337, Major Repair and Al-
teration (Airframe, Powerplant, Propeller, or Appli-
ance) In the case of the PM1000II , you may use the
following text as a guide.
Installed 4-place intercom, PS Engineering
PM1000II, part number (xxxxx) in ( loca-
tion ) at station
. Installed per
AC43.13-2B, Chapter 2,. Installed per PS
Engineering Installation Operators Manual p/
n 200-123-0003, revision 1, dated ________.
This unit is FAA-Approved under TSO C50c
for audio amplifiers, and meets environmental
tests outlined in RTCA DO-170B as appropri-
ate or this aircraft.
Interface to existing aircraft radios in accor-
dance with installation manual and in compli-
ance with practices listed in AC43.13-2B,
Chapter 2. All wires are Mil-Spec 22759 or
27500. No connection to the aircraft dimmer
bus is required. Power is supplied to the unit
through a 1A circuit breaker (type and part
number), and total electrical load does not
exceed % of the electrical system capac-
ity with the PM1000II added.
Aircraft equipment list, weight and balance
amended. Compass compensation checked. A
copy of the operation instructions, contained
in PS Engineering document 202-123-0001,
revision _, Dated:_____, is placed in the air-
craft records. All work accomplished listed
on Work Order
.