Tweco VA 2000 Ultra-Feed - Manual (Page 37)

ULTRAFEED VA 2000
February 27, 2006 4-11
Art # A-07385
Figure 4-7: Screw Locations For Removal Of Cover And
Door
Turn the power source and wire feeder power switches
OFF. Remove the (5) screws shown in Figure 4-7 to detach
the sheet metal cover and door. The motor control PC
board will contain a 5 position DIP switch labelled S1
(See Figure 4-8). After the run-in time setting has been optimized, reattach
the (5) screws shown in Figure 5-3 to secure the sheet
metal cover and door. Turn the power source and wire
feeder power switches ON.
4.11 Replacing Motor Fuse
GENERAL:
A 1 amp, 250 volt slow blow fuse is located on the motor
control PC board to protect the motor and solid state
circuitry from a locked or excessively loaded motor
condition (See “Feed Monitor Operating Procedure” in
the Operation chapter of this manual).
PROCEDURE:
WARNING
ELECTRIC SHOCK CAN KILL. Remove input
power from the wire feeder before replacing
the motor fuse.
1. Turn the power source and wire feeder power switches
OFF.
2. Remove the (5) screws shown in Figure 4-7 to detach
the sheet metal cover and door.
3. Remove the blown fuse from the fuse clips located
on the motor control PC board (See Figure 4-8).
4. Insert a new (USE THE CORRECT VALUE) fuse into
the fuse clips located on the motor control PC board.
The proper fuse is a 1 amp, 250 volt slow blow type
(MDL). The part number for this fuse is 16DA-4252-37.
CAUTION
MAKE SURE THE PROPER SIZE FUSE IS
INSTALLED; OTHERWISE, THE EQUIPMENT
COULD BECOME SERIOUSLY DAMAGED OR
NOT WORK PROPERLY.
5. Reattach the (5) screws removed in Step 2 to secure
the sheet metal cover and door.
6. Turn the power source and wire feeder power switches
ON.
Art # A-07386
Figure 4-8: Motor Control PC Board Callouts
To open any of the DIP switches, push the switch toward
the word OPEN which is silkscreened on the motor control
PC board. To close any of the DIP switches, push the
switch away from the word OPEN which is silkscreened
on the motor control PC board.