Refrigeration Service Operations (Rev. 04/02)
74
5.
Remove the spring and Teflon check valve.
6.
Inspect the check valve seat in the three-way valve.
7.
If replacement parts are needed, a P/N 60-163 kit must
be used which includes the Teflon check valve, spring,
O-ring, valve stem and snap ring.
Installation
1.
Coat the O-ring with compressor oil and install it on the
check valve stem.
2.
Insert the spring into the hole in the check valve stem
and then install the Teflon check valve on the other end
of the spring with the hole in the valve towards the
spring.
3.
Coat the entire assembly with compressor oil and
install the assembly into the Teflon check valve seat in
the three-way valve.
CAUTION: The Teflon check valve must be
inserted with the flat side against the valve seat
to ensure proper sealing.
1.
Teflon Check Valve
4.
Stem
2.
Snap Ring
5.
O-ring
3.
Cap
6.
Spring
Teflon Check Valve Assembly
AEA715
4.
Screw the check valve stem into the three-way valve
until the snap ring can be installed.
5.
Install the snap ring.
6.
Unscrew (back seat) the check valve stem against the
snap ring.
NOTE: The valve stem must be back seated during
normal unit operation.
7.
Coat sealing area in the cap with compressor oil, install
and tighten the cap on the three-way valve.
8.
Pressurize the refrigeration system and test for leaks. If
no leaks are found, evacuate the system.
9.
Recharge the unit.
PILOT SOLENOID
Removal
1.
Remove the refrigerant.
2.
Disconnect the wires and remove the coil from the
valve.
3.
Unsolder the refrigeration lines.
4.
Remove the mounting bolts and remove the valve.
Installation
1.
Remove the coil from the valve.
2.
Place the valve in the unit and install the mounting
bolts.
3.
Solder the refrigeration lines to the valve.
4.
Install the coil and connect the wires.
5.
Pressurize the refrigeration system and test for leaks. If
no leaks are found, evacuate the system.
6.
Recharge the unit with the proper refrigerant and check
the compressor oil.
Summary of Contents for SB-III 30 SR+
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Page 24: ...Unit Description Rev 04 02 14 Unit Photos Front View AGA231 ...
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Page 111: ...101 Early Model Coiled Wire Fuse Link Wiring Schematic ...
Page 112: ...102 Early Model Coiled Wire Fuse Link Wiring Diagram Page 1 of 4 ...
Page 113: ...103 Early Model Coiled Wire Fuse Link Wiring Diagram Page 2 of 4 ...
Page 114: ...104 Early Model Coiled Wire Fuse Link Wiring Diagram Page 3 of 4 ...
Page 115: ...105 Early Model Coiled Wire Fuse Link Wiring Diagram Page 4 of 4 ...
Page 116: ...106 Late Model Fuse Link in Battery Cable Wiring Schematic ...
Page 117: ...107 Late Model Fuse Link in Battery Cable Wiring Diagram Page 1 of 4 ...
Page 118: ...108 Late Model Fuse Link in Battery Cable Wiring Diagram Page 2 of 4 ...
Page 119: ...109 Late Model Fuse Link in Battery Cable Wiring Diagram Page 3 of 4 ...
Page 120: ...110 Late Model Fuse Link in Battery Cable Wiring Diagram Page 4 of 4 ...