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F-184 F-184
MAIN INPUT CONTACTOR (CR1) REMOVAL AND REPLACEMENT (continued)
FIGURE F.69 - MAIN CONTACTOR
CR1
L
1
A
L1 L2 L3
T1 T2 T3
3
2
4
3
2
6
T1
T3
L
3
A
TROUBLESHOOTING & REPAIR
PROCEDURE
1. Remove main input supply power to the
machine.
2. With the 3/8" nut driver, remove the 4
screws that hold the handle to the machine.
3. Remove the rubber gasket (cover seal) from
the lift bail.
4. With the 5/16" nut driver, remove the sheet
metal screws from the case top.
5. With the 5/16" nut driver, remove the
screws holding the right and left case sides.
Remove the case sides by lifting up and
out.
6. Perform the Capacitor Discharge Proce-
dure described earlier in this section of the
manual.
Before continuing with the
test procedure, perform the
capacitor discharge proce-
dure to avoid electric shock.
7. After you have completed the capacitor dis-
charge procedure for all four switch boards,
with the slot head screw driver, remove the
three heavy leads from the output side of
the contactor.
8. With the slot head screw driver, remove the
two small leads (L1A and L3A) from the
input side of the contactor.
POWER WAVE 450
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WARNING