INSTALLATION - TM-9-4120-428-140136

TM 9-4120-428-14

0030 00

2. Center or mid-range of the thermostatic switch represents a setting of about 75 Degrees F (24 Degree C). With the

sensing bulb remaining in the container of warm water, 75 80 Degrees F (24 30 Degrees C), slowly turn the knob

from extreme warmer position towards the cooler position. Continuity should cease before or near mid-range of the

knob.

REPLACEMENT

Replace the thermostatic switch if defective.

INSTALLATION

1. Place the thermostatic switch (8) on the mounting frame (7) and secure with four machine screws (9), flat washers (11),

and self-locking nuts (10).

2. See tags and wiring diagram (WP 0028 00) and connect the wire leads. Remove tags.

3. Check that grommets (13) are in place in the shaft holes.

4. Slip the mounting frame (7) in place and align holes in the back plate with three spacer posts (6). Check that the

grommets (13) are still in place in the shaft holes. Secure with three machine screws (5).

5. Install the knob (4) and tighten the setscrew (3).

6. Slip the control cover (2) in place and secure with four machine screws (1).

NOTE

FOLLOW-ON MAINTENANCE:

Install control module (WP 0029 00)

END OF WORK PACKAGE

00030 00-2