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F-52
TROUBLESHOOTING AND REPAIR
F-52
POWER WAVE 455/POWER FEED 10
5. If the correct voltages are NOT present
at the motor leads, check the associat-
ed leads between the motor and plug
J3 on the control board. If the leads
are OK, the control board may be
faulty.
6. If the correct voltages are present at
the motor armature leads and the motor
does not run and vary speed with
changes in armature voltage, the motor
or gear box may be faulty. See
Gear
Box and Drive Motor Removal and
Replacement.
7. Install the wire feeder cover using the
3/8 in. nutdriver.
PROCEDURE
1. Remove input power to wire feed unit.
2. Using the 3/8 in. nutdriver, remove the
cover from the wire feeder.
3. Locate the two quick connectors in the
two motor armature leads. Refer to
Figure F.12. Do NOT disconnect the
leads.
4. Apply the correct input power (from the
Power Wave 455 control cable) to the
wire feeder. Activate the gun trigger
and with the motor running check at the
quick connectors [#551 White (+) to
#550 Black (-)] for approximately 1
VDC to 32 VDC dependent upon motor
speed. The motor speed should vary
with changes in motor armature
voltage.
FIGURE F.12 — DRIVE MOTOR TEST.
#550 (-)
BLACK
#551 (+)
WHITE
1
3
4
6
J3
#550#551
DRIVE MOTOR TEST
(continued)
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