Air Gap & Fill Tube; Sheath Heater; Wiring Harnesses - Hobart KitchenAid KD-18 SERIES Service Manual

Fig. 36
Fig. 34) that holds the manifold to upper
rack.
2. Unsnap the four clips (4, Fig. 34) and remove
middle wash arm guard (3, Fig. 34).
3. Pull complete assembly including manifold
tube (6, Fig. 34) from middle wash arm
receiver (5, Fig. 34).
Sheath Heater (1, Fig. 35) (KDS Only)
To Replace:
1. Remove lower front panel and kickboard.
2. Disconnect electrical lead wires.
3. Remove the two hex nuts and ring gaskets
from heating element on underside of tank.
NOTE: Use new ring gaskets at reassembly .
Always reassemble washer and ground lug!
4. Lift and remove heating element from inside
of tank.
Self-Cleaning Filter (Fig. 36)
1. Remove lower wash arm.
2. Lift out fine strainer assy.
(1 ,
Fig. 36).
3. Squeeze center section (2, Fig. 36) of coarse
strainer together and lift out.
4 . Grasp rear and front tab of fine strainer seat
(1,
Fig. 30), lift up on rear tab first, then lift
out.
Air Gap
&
Fill Tube (1
&
2, Fig. 37)
The fill line air gap is not accessible from inside
of tank. Do not loosen nut at inlet unless
dishwasher is removed. (Nut must be securely
tightened). · Tube must not be kinked at top (air
gap junction) or at fill valve.
Wiring Harness (KDP & KDS)
1. Remove outer door panel, control panel and
lower front panel.
2. Remove door vapor shield.
3. Remove evaporation channel.
4. Remove program switch bracket.
- 21 -
5. Remove timer.
6. Disconnect leads in door to action indicator
lights, all switches, dispensers, door frame
ground, rinse agent dispenser ground, and
multiple connector plugs (one white (3, Fig.
38) and one black (4, Fig. 38)). On KDS and
KDP, also disconnect lead to rinse-only light.
7. Disconnect all nonwhite leads to blower
motor, overfill control switch, drain valve,
motor and white lead to fill valve. On KDS,
also disconnect nonwhite leads to heater
thermostat and sheath heater.
NOTE: Following removal of the complete
wiring harness , some electrical connections
still remain, such as: overfill control switch to
fill valve, dryer heater and fan assembly
connections, fill valve connection. On the
KDS, there are also connections to the :#:87
thermal protector.
Wiring Harness (KDI & KDC)
1. Remove outer door panel, control panel, and
lower front panel.
2. Remove door vapor shield.
3. Remove evaporation channel.
4. Remove program switch bracket.
5. Remove timer.
6. Disconnect leads in door to switches, light
(KDI only), dispensers, and plug (KDC only),
or multiple plugs (KDI only) to timer and
door frame ground.
7. Disconnect all nonwhite leads to blower
motor, heater thermostat, overfill control
switch, drain valve, motor and white lead to
fill valve.
1
2
Fig. 37