TROUBLESHOOTING & REPAIR
F-78
F-78
POWER WAVE 455M/MSTT
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CURRENT
TRANSDUCER
HEAVY LEAD
BOLTED CONNECTION
(BEHIND CASE FRONT)
FIGURE F.26 – POWER WAVE CURRENT TRANSDUCER REMOVAL AND REPLACEMENT PROCEDURE
POWER WAVE CURRENT TRANSDUCER
REMOVAL AND REPLACEMENT
(CONTINUED)
REMOVAL PROCEDURE
1. Remove input power to the Power Wave
455.
2. Using the 3/8” nut driver, remove the case
top and sides and the control box cover.
3. Perform the
Capacitor Discharge
proce-
dure.
4. Using the 3/8” socket wrench or nut driver,
remove the three screws along the bottom
case front. See Figure F.26.
5. Using the 3/8” socket wrench, remove the
four screws that hold the case front to the
machine.
6. Label all leads to all output terminals. Using
the 5/16” wrench and the 3/4” wrench,
remove all leads from the three output termi-
nals. See the Wiring Diagram.
7. Cut any necessary cable ties. Then careful-
ly swing the front panel aside.
8. Remove the insulating tape from the heavy
lead bolted connection. See Figure F.26.
Using the 9/16” wrenches, remove the bolt,
lock washer and nut.
