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 TM9-4120-423-14&P
1
Discharge the Refrigerant R-22 system. (See WP0070).
2
Remove the hose from the air conditioner. See REMOVAL.
3
Use two wrenches. Using one wrench to hold the tubing adapter, carefully remove the union nut
and body assembly.
4
Remove the two O-rings, valve, and sleeve assembly.
5
If the opposite end coupling is damaged, or if any debrazing is to be done, repeat steps (3) and
(4) and remove half coupling from opposite end.
6
If metallic hose, copper tube (discharge hose only), 45-degree street elbow, or tubing adapters
are damaged, see WP0072 and debraze parts to be replaced.
7
If metallic hose, copper tube (discharge hose only), 45-degree street elbow, or tubing adapters
are being replaced, clean all joints and braze parts per WP0072.
8
Oil O-rings liberally with refrigerant oil. This will prevent them from scuffing and tearing when
assembled.
9
Place smaller O-ring on valve and sleeve assembly and larger O-ring on tubing adapter.
10
Slip the valve and sleeve assembly with O-ring into the body.
11
Using a wrench to hold the tubing adapter, tighten the union nut and body assembly and torque
to: Suction Hose - 35-45 foot pounds (48-61 newton-meters), Discharge Hose - 15-20 foot
pounds (20-27 newton-meters).
12
Install the hose in the air conditioner.
13
Replace the dehydrator. (See WP0080).
14
Leak test the hose, dehydrator and joints in the repair area. (See WP0073).
15
16
Install access cover. (See WP0024).
17
Install left end condenser cover. (See WP0045).
18
Install top condenser cover. (See WP0044).
19
Connect power.
0091 00-4
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