Operation / Technical Manual
NORM-O-TEMP
®
, Model 111W
Page 52 of 82
M.
Reconnect the hose from the water reservoir to the inlet at the center of the
pump housing and tighten the clamp.
N.
Secure the three-sided enclosure panel as described in Section 6-1.4.
O.
Refill the reservoir as described in Section 5-1.5.
6-4.
Replacement of the Pump Motor
A.
Obtain a replacement pump motor.
B.
Drain the reservoir as described in Section 5-1.4.
C.
Remove the three-sided enclosure panel as described in Section 6-1.3.
D.
Locate the pump housing assembly with inlet and outlet hose connections at the
bottom front of the unit as shown in Figure 9.
E.
Disconnect the hose at the inlet and the outlet of the pump housing by loosening
the clamps. Note: There may be small amounts of water in the lines.
F.
Using a phillips screwdriver and an 11/32 inch wrench, remove the four screws
from the bottom of the base while holding the 11/32 inch lock nuts on the pump
mounting plate. Using a 7/16 inch wrench, remove the four bolts and nuts
holding the pump mounting plate to the pump.
G.
Locate the pump wires on the power supply board and disconnect. Locate the
ground wire on the unit base and disconnect.
H.
Remove the pump motor from the unit and discard.
I.
Reattach the pump mounting plate to the replacement pump using the four nuts
and bolts. Position the pump on the base with the head of the pump towards the
front of the unit.
J.
Reattach the pump mounting plate to the base of the unit using the phillips head
screws and the kep nuts.
K.
Reconnect the inlet and outlet hoses to the replacement pump. Tighten the
clamps securely.
L.
Reconnect the pump wires to the power supply board. Reconnect the ground
wire to the base of the unit.
M.
Secure the three-sided panel as described in Section 6-1.4.
N.
Refill the reservoir as described in Section 5-1.5.