SkyHunter406 4000-10 AP - Manual (Page 14)

14
SECTION 6
BATTERY INFORMATION AND REPLACEMENT
6 GENERAL
6.1 Power is derived from a pre-formed foam battery pack consisting of 5 1.5 V Alkaline "C" size batteries in series.
This assembly has been moisture-sealed and fitted with a battery lead connector.
6.2 WHEN TO REPLACE BATTERY PACK:
6.2-1 In accordance with FAA/TRANSPORT CANADA regulations, batteries must be replaced after 2 years shelf or
service life or for any of the following reasons:
(a) After the transmitter has been used in an emergency situation (including any inadvertent activation of
unknown duration).
(b) After the transmitter has been operated for more than one cumulative hour (e.g. time accumulated in
several tests and an inadvertent activation of known duration).
(c) On or before battery replacement date. (Battery replacement date is marked on the battery pack and the
label at end of transmitter.)
Check with your local dealer or distributor for approved replacement battery packs.
WARNING: DO NOT ATTEMPT TO RECHARGE BATTERY PACK!
6.3 REMOVING THE TRANSMITTER FROM THE AIRCRAFT (See Figure 11)
6.3-1 Transmitter must be removed from aircraft for battery replacement by the following steps:
(a) Remove Switch Guard and place the Master Switch in the "OFF" position.
(b) Disconnect the antenna cable, and, where applicable, the remote connector.
(c) Open latch on hold-down strap, and remove Transmitter from mounting bracket.
6.4 REMOVE THE BATTERY PACK AS FOLLOWS:
(a) Remove six screws from back cover.
(Retain Teflon washers)
(b) Remove cover (save gasket), and
disconnect the battery transmitter
connectors.
(c) Remove and replace battery pack,
reversing the above procedure.
(d) Exercise care not to overtighten the
six base plate screws upon
reassembly
6.5 Apply new battery replacement date label, supplied with replacement pack, on transmitter end prior to
re-installing transmitter in aircraft.
6.6 After re-installing transmitter in aircraft, test in accordance with Section 4.3-Functional testing, p.11.