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4.2
Replacement Parts
4.3
Guard Bowl Removal
4.4
Pump Tubing Replacement
Centra-W Cell Washer Service Manual
The following parts may be replaced by the user.
Guard Bowl Cat. No. 50402.
Pump Head Tubing Kit Cat. No. 50019.
Valve Cat. No. 65450.
Fuse -100/120 VAC, 5A, 5 x 20 mm Cat. No. 49946.
Fuse - 220/230/240 VAC, 2.5A, 5 x 20 mm Cat. No. 49937.
Solenoid Plunger Cat. No. 44919.
Rotor Cat. No. 477.
Cover Splash Guard Cat. No. 50247
Set the POWER switch to the ON position and open the cover. Set the
POWER switch to the OFF position. Unplug the power cord. Remove the
rotor and solenoid plunger. Wipe the inside of the guard bowl completely dry.
Pull up the three white guard bowl retainers approximately 1/4 inch. Carefully
lift the guard bowl out of the cabinet. Do not allow saline solution on the
guard bowl drain to drip into the motor shaft area. Examine the interior and
exterior surfaces of the guard bowl for cracks or holes. If damaged, or if the
surfaces are sticky to the touch, replace it with a new one. Otherwise, wash it
with warm water and mild detergent.
To replace it, place the guard bowl in the cabinet opening; orient the guard
bowl so that the drain faces the rear of the unit and fits into the drain hole of
the inner splash guard. Push all three white retainers down flush with the
guard bowl. Replace the solenoid plunger; turn it counterclockwise (CCW)
until it is properly seated. Replace the rotor; turn it counterclockwise (CCW)
until it is properly seated.
Refer to Figure 4-1 when replacing pump tubing.
1.
Unplug line cord from power source.
2.
At the rear of the unit, remove the two thumbscrews that hold the
pump head in place. Pull out the front half of the pump head and the
roller assembly to free up the tubing.
3.
Disconnect the tubing attached to the bottom of the flow sensor, and
remove the tubing from the saline supply. Discard the entire tubing
set.
4.
Attach the new tubing set (already assembled) by connecting the
silicone tubing end to the flow sensor (short tubing end). Be sure
that it is pushed all the way up.
5.
Insert
the pump rollers into the pump head (long end of shaft
outward). Turn the pump shaft by hand to verify that the pump motor
is coupled.
21
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