Component Maintenance Manual
EFFECTIVITY: ALL
21-00-22
Page
4001
JULY 21, 2011
CLEANING
TASK 21-00-22-10-801
6.0
R12 AIR CONDITIONING SYSTEM COMPONENT – CLEANING PROCEDURES
SUBTASK 21-00-22-99F-011
6.1
General:
6.1.1
This section details the procedures required to perform certain cleaning functions. The
components listed have certain cleaning procedures associated with them, however these
procedures are in no way an all encompassing list of what may be required. Care should be
taken to follow the listed procedures and to use common sense when using any cleaning
tools or solvents.
WARNING
: SERVICE TECHNICIANS ARE ADVISED TO OBSERVE STANDARD SAFETY
PRECAUTIONS, SUCH AS WEARING PERSONAL SAFETY GEAR TO PREVENT INJURY WHILE
PERFORMING SERVICE TO THE UNIT.
WARNING
: SERVICE TECHNICIANS ARE ADVISED TO OBSERVE STANDARD SAFETY PRECAUTIONS
SUCH AS WEARING SAFETY GLASSES, GLOVES AND PROTECTIVE CLOTHING WHEN USING
CERTAIN CLEANING SOLVENTS AND/OR CHEMICALS. INGESTION OF CERTAIN SOLVENTS AND/OR
CHEMICALS CAN CAUSE SERIOUS INJURY OR EVEN DEATH. WHENEVER CLEANING PROCEDURES
INVOLVE THE USE OF SOLVENTS AND/OR CHEMICALS, IT IS HIGHLY RECOMMENDED THAT THE
TECHNICIAN REVIEW THE APPLICABLE MSDS (MATERIAL DATA SAFETY SHEET) PRIOR TO
BEGINNING THE PROCEDURE TO FAMILIARIZE THEMSELVES WITH THE HAZARDS ASSOCIATED
WITH THAT SOLVENT AND/OR CHEMICAL, AND APPROPRIATE RESPONSE NEEDED SHOULD
INGESTION OCCUR.
CAUTION
: ALWAYS USE PROTECTIVE COVERINGS AND/OR PROTECTIVE CAPS ON OPEN OR
EXPOSED HOLES, PLUMBING, ETC. THIS WILL ENSURE THE COMPONENT STAYS FREE FROM
DIRT, DUST, AND ANY OTHER FOREIGN MATTER.
6.1.2
Gain access to the Compressor Condenser Module or Evaporator Module Assembly (refer
to the aircraft maintenance manual for removal of access panels and other hardware that
might need to be removed)
6.1.3
Verify that power is removed from aircraft. If it is not practical to remove aircraft power,
technician must pull and collar applicable circuit breakers.
