4-39. Bath Unit Instructional Plate
secure the control panel box cover (5) to the box (4),
mounted on the water heater, provides a schematic
and separate the covet from the box.
layout of the bath unit. It also provides the basic
instructions for operating the bath unit.
secure the circuit breaker subassembly (5) to the cover
b. Inspection.
Inspect for broken or cracked
(5, fig. 4-22), and separate the subassembly from the
instruction plate. Make certain the instructions on the
cover.
plate are legible and that all edges of the plate are
mounted securely to the heater tank.
(c) Refer to a(3) above, and remove
the control panel switch cover with hinged cover and
c. Removal. Pry up the edges of the plate, and
gasket.
remove the plate from the tank.
(d) Remove the receptacle connector
d. Installation. Replace defective plate with a
by referring to c(2) below.
serviceable one. Apply a coating of the adhesive
(supplied with the plate) to the back of the plate, and
attach and press the plate on the tank. Be sure to press
from the control panel box.
the plate down firmly.
(4) Installation. Replace defective cover and
gasket with serviceable ones, and install them by
a. Control Panel Switch Cover with Hinged Cover
reversing the procedure in b (3) above.
and Gasket.
c. Control Box Receptacle Connector With Gasket
(1) Description. The instructions in this
and Hinged Cover.
paragraph pertain either to the water heater control
panel switch cover or the water pump control panel
(1) Description. The instructions in this
switch cover.
paragraph pertain to the receptacle connectors either on
the water heater or on the water pump.
(2) Inspection. Inspect the switch cover (6,
(2) Removal.
poor fit on the box. Check for broken hinged spring. Lift
(a) Remove the four screws that attach
up the cover to check for deteriorated and excessively
the connector with cover to the control panel box cover
worn gasket.
(5, fig. 4-22).
(3) Removal. Remove the four screws (7)
(b) Raise the hinged cover, then
that attach the switch cover (6) to the control panel box
remove the insulator from the connector (8, fig. 4-36).
cover (5), and remove the cover and the gasket from
the box.
(c) Loosen the four screws that hold the
wires to the connector, and remove the wires from the
(4) Installation. Replace defective cover and
connector, thus freeing the connector with gasket and
gasket with serviceable ones, and install them by
hinged cover.
reversing the procedure in a(3) above.
b. Control Panel Box and Cover.
NOTE
Tag the wires for identification if color-
(1) Description. The instructions in this
coded wires are not used.
paragraph pertain either to the water heater control
panel box cover or the water pump control panel box
(3) Inspection. Inspect the connector for bent
cover.
or twisted prongs, stripped threads, broken or frayed
insulation, deteriorated gasket, and broken hinged
(2) Inspection. Inspect the cover (5) for
cover.
breaks, cracks, distortions, and twists, and poor fit on
the box.: Check for deteriorated or excessively worn
(4) Installation. Replace defective connector
gasket.
with a serviceable one, and install it by reversing the
procedure in c (2) above. Connect the wires according
(3) Removal.
to the diagram in figure 4-23 for the water heater and
(a) Remove the six screws (1 ) that
according to the diagram in figure 4-15 for the water
hold the cover (5) to the control panel box (4) and
pump.
remove the cover with circuit breaker subassembly (5,
d. Control Panel Circuit Breaker Subassembly and
Circuit Breaker Subassembly Overload Heaters. For
(b) Remove
the
circuit
breaker
maintenance information, refer to paragraph 4-27 a and
subassembly as follows:
4-44
