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INPUT
CONTACTOR
601
X4
POWER BOARD
RECTIFIER BRIDGE
X1
X2
+
-
X3
X5
AUXILIARY
TRANSFORMER #1
WHITE RED
FAN MOTOR
WINDING
FAN RELAY
444
X3A
FIGURE F.16 – AUXILIARY TRANSFORMER NO. 1 REMOVAL AND REPLACEMENT
AUXILIARY TRANSFORMER NO. 1 REMOVAL AND
REPLACEMENT PROCEDURE (CONTINUED)
REMOVAL PROCEDURE
1. Remove input power to the POWER WAVE
655/R.
2. Remove the case top, sides and input access
panel.
3. Perform the Capacitor Discharge procedure.
4. Remove the case back.
5. Disconnect lead X4 from the input contactor
coil.
6. Remove leads X1 and X2 from the power board
rectifier bridge. Refer to Figure16.
7. Cut X3 and X5 from the fan motor leads. Leave
enough length to splice in the new transformer
leads.
8. Cut the X3 lead that is connected to the input
board. Leave enough lead length to splice in
the new transformer lead.
9. Locate, label, and remove primary lead H1 from
circuit breaker CB4.
10. Label and remove primary leads H2, H3, H4,
and H5 from the terminals on the reconnect
panel. Note lead placement for reassembly.
11. Cut cable ties as necessary and clear the
leads.
12. Remove the two mounting screws holding the
transformer to the fan baffle and the base.
13. Carefully remove the transformer from the
POWER WAVE 655/R.
REPLACEMENT PROCEDURE
1. Carefully place the transformer into the
POWER WAVE 655/R.
2. Secure the transformer to the fan baffle and
the base.
3. Connect the primary leads H2, H3, H4, and
H5 to the proper terminals on the reconnect
panel.
4 Connect primary lead H1 to circuit breaker
CB4.
5. Splice the X3 lead of the new transformer with
the X3 lead connected to the input board.
6. Splice X3 and X5 leads of the new trans-
former to the fan motor leads X3 and X5.
7. Connect lead X4 to the main contactor coil
terminal.
8. Connect leads X1 and X2 to the power board
rectifier bridge.
9. Reposition any wire leads and install cable
ties as necessary.
10. Replace the case back, sides and top.
TROUBLESHOOTING & REPAIR
F-50 F-50
POWER WAVE 655/R
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