
FIELD REPAIR/SERVICE
BLANKETROL III, Model 233
OPERATION AND TECHNICAL MANUAL
Page 94 of 131
C.
Remove the rear enclosure panel as described in Section (5-2.1.).
D.
Extend the front storage drawer as described in Section (5-2.5.).
E.
Locate the pump housing assembly with inlet and outlet hose connections at the
center left of the rear of the unit as shown in Figure (5-1-D.).
F.
Disconnect the hose at the inlet and the outlet of the pump housing by loosening the
screw clamps. There may be water in the lines.
G.
Using a 7/16" wrench, remove the bolts securing the pump motor to the divider pan
in the unit. The bolts are accessible from the front of the unit if the front storage
drawer is extended.
H.
Catch each nut from the underside of the divider pan as each bolt is loosened. Set
the nuts, bolts, and washers to the side.
I.
Using an 11/32" wrench, remove the two nuts from the faceplate of the electrical box
and remove the faceplate from the two stand-offs. Set the nuts and faceplate to the
side.
J.
Trace the three-wire cable from the pump motor to the electrical box. The cable
enters the box from the right side.
K.
Locate the termination of the three wires. Reference the wiring diagram located on
the electrical box.
L.
Disconnect and remove each of the wires from the electrical box. The white and
black wires are terminated with slide-off connector. The green wire is terminated with
an eyelet connector that is disconnected by unscrewing the ground screw.
NOTE: DO NOT TO DISTURB ANY OF THE OTHER WIRE
CONNECTIONS.
M.
Remove the pump motor from the unit. Be sure to save the rubber gasket from
beneath the pump motor.
N.
Replace the rubber gasket, aligning the holes of the gasket with the holes on the
shelf of the unit.
O.
Install the replacement pump motor over the rubber gasket being sure to align the
mounting holes.
P.
Using a 7/16 inch wrench, install the bolts securing the pump motor to the divider
pan.
Q.
Connect the inlet and outlet hoses to the pump housing and secure the hose clamps.
R.
Connect the white, black and green wires to the proper termination point in the
electrical box.