Motorola APX 4000, Basic Service Manual

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7-30 Disassembly/Reassembly Procedures : Ensuring Reliable Splash Protection
7.7 Ensuring Reliable Splash Protection
This section discusses disassembly and reassembly of ASTRO APX 1000 radios and concerns in
ensuring a reliable splash protection against liquid.
7.7.1 Standards
ASTRO APX 1000 radio model meet the requirements of IP54, which require the radio to maintain
water protection integrity when subjected to splashing of water with volumetric flow up to 10 liters per
minute at pressure of 80–100 kPa from any direction for 5 minutes.
7.7.2 Servicing
APX 1000 radios shipped from the Motorola factory should not be disassembled to maintain its
splash protection integrity. If disassembly is necessary, refer to qualified service personnel and
service shops capable of restoring the splash protection integrity of the radio.
7.7.3 Water Exposure
If the radio is exposed to water, shake the radio to remove the excess water from the speaker grille
and microphone ports areas before operating; otherwise, the sound may be distorted until the water
has evaporated, or is dislodged from these areas.
7.7.4 Disassembly
Disassemble the radio according to Section 7.4.
It is strongly recommended that maintenance of the radio be deferred to
qualified service personnel and service shops. This is of paramount
importance as irreparable damage to the radio can result from service by
unauthorized persons. If disassembly is necessary, unauthorized attempts to
repair the radio may void any existing warranties or extended performance
agreements with Motorola.
Do not submerge the radio into water.
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