ASSEMBLY
1. General
A. After the components have been repaired and cleaned, obey the assembly instructions for the air
conditioning control panel (refer to Repair, Pageblock 21−61−02_6001 and Cleaning,Pageblock 21−
61−02_4001).
B. Do the unpacking of electrical/electronic components as follows:
(1) Obey all the local safety regulations for handling electronic components that contain
electrostatic−sensitive devices (ESDS), as applicable. Many components have microprocessors
and memory devices that can be damaged by electrostatic discharges. Always wear a wrist
strap and make sure you are correctly grounded before you remove the ESDS components from
their packages.
C. Assembly must be performed on a clean workbench in a room free from dust and moisture. Parts
must be protected from impact damage.
2. Assembly
Refer to Figures 1001 and 1002.
NOTE:
For the wiring diagrams, refer to the Testing and Fault Isolation, Pageblock 21−61−02_1001.
NOTE:
All item numbers shown in parentheses ( ) are the same item numbers as used in the
Illustrated Parts List (IPL) Pageblock 21−61−02_10001.
A. Install the CKPT COLD HOT and the CABIN COLD HOT control potentiometers (30) as follows:
(1) Put the CKPT COLD HOT and the CABIN COLD HOT control potentiometers (30) in position on
the mounting plate assembly (105) or (107).
(2) Install the new washers (40) and the new nuts (35).
B. Install the RECIRC FAN ON OFF toggle switch (50) on the mounting plate assembly (105) or (107)
as follows:
(1) Put the toggle switch (50) in position on the mounting plate assembly (105) or (107).
(2) Install the nut on the switches (50).
C. Install the CARGO AIR OFF COND AIR (AFT CARGO AIR OFF COND AIR) toggle switch (52) on
the mounting plate assembly (105) or (107) as follows:
(1) Put the toggle switch (52) in position on the mounting plate assembly (105) or (107).
(2) Install the nut on the switch (52).
D. Install the HOT/COLD toggle switches (45) on the mounting plate assembly (105) or (107) as
follows:
(1) Install the nuts and the locking rings on the switches (45). The nuts and the locking rings are
part of the switches (45).
(2) Put the toggle switches (45) in position on the mounting plate assembly (105) or (107).
B
COMPONENT MAINTENANCE MANUAL
AIR CONDITIONING CONTROL PANEL
PART NUMBER CC670−51128−9,−11,−13,−15,−17,−19,−21
21−61−02
Page 7001
Oct 10/2017
