Self-Cleaning Filter - Hobart KitchenAid KD-18 SERIES Service Manual

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CONDITION
Upper Rack binds.
Visible water vapor exhausting
from under door ("steam").
4-Way Hydro Sweep
does not turn at proper
speed . (30-43 RPM
speed for wash arm
operating in clean/ clear water).
SERVICE TIPS
POSSIBLE CAUSE
1. Binding due to user's pushing from side,
not center.
2. Binding due to distortion. (Has been
forced out of shape).
3. Binding due to distortion. (Distance be-
tween upper rack rollers changed).
4. Binding due to improper distance be-
tween upp er rack track roller screws.
1. High relative humidity and/or coo l room
temperature (air conditioning, etc.).
2. Excessive water supply temperature.
3. Dishwasher installed against outside cold wall.
1. Not enough water.
2. Worn wash arm.
3. Strainer clogged.
4 . 4-Way Hydro Sweep nozzles clogged.
5. Too much suds.
REMEDY
1.1 Push from center. (Rack flexible for
user's convenience in use/ loading).
2.1 Align rack wheels into same plane on
each side (by eye). Use hands (rack is
flexible).
3.1 Stretch or
squeeze rack to make
dimension 20-5 /8" (over outside edge
of rollers).
4.1 Add
or remove spacers to align tracks
and remove distortions:
a. There should always be one LESS
spacer on the rear track roller screws
than on the front. Actual numbers
differ depending on production loca-
tion.
1.1 Some visible water vapor is normal for
brief time - no correction required or
possible.
1. 2 Change room conditions as necessary
(decrease humidity and/or increase
room temperature).
1.3
Make certain room air conditioner out-
let does not blow directly onto face of
I
i
dishwasher.
2. 1
Lower water temperature as necessary
but not below 140° F. at dishwasher.
3.1
Insulate dishwasher from cold , as required.
1.1 See " Insufficient fill" and "Water does
not remain in tank".
2. 1 Replace Hydro Sweep wash arm
and/or support.
3.1 Clean strainer and strai ner cleaning nozzle.
4. 1
Clean nozzles.
5.1
Correct the amoun t and type of detergent
or try different brand using varyi ng
amounts.