a. Repair loose or damaged ring tongue connectors (para. 4-10).
b. Replace damaged cable assembly(1).
c. Replace wire markers (para. 4-10).
d. Replace thermostat (4) if inoperative.
a. Install elbow (14) and sealing ring (15) and secure in position with conduit nut (13).
b. Slide nut(7), retainer(8) and bushing (9) on cable assembly(l) and insert the cable wires through elbow (14) into
the thermostat box (4). Orient the assembled cable adapter to the right for heater No. 1 thermostat and to the left for
heater No. 2 thermostat.
If installing a new thermostat, perform step c; otherwise proceed to step d.
c. Crimp a ring tongue terminal on each of the thermostat leads (para. 4-10).
d. Cut down the blue thermostat lead (not used), Bend the lead back upon itself and tape it with electrical tape.
e. Connect the following leads together, see Figure 4-72, sheet 2:
(1) Heater thermostat No.1 . . . . . . . . . . . . . . . . . . . Cable 430 to thermostat black; Cable 431 to thermostat red
(2) Heater thermostat No.2 . . . . . . . . . . . . . . . . . . . Cable 432 to thermostat black; Cable 433 to thermostat red
f. Attach each set of leads together using capscrew (10), nut(12) and Iockwasher(11).
g. Tape each thermostat/control lead combination with electrical tape.
h. Place shrink wrap tubing over each of the taped lead combinations and shrink the tubing with the heat gun. Crimp
the ends of the tubing while still hot, using pliers.
i. Install cover (6) and secure with four screws (5).
a. Position thermostat (4) on the ROWPU wall and secure with screws (3).
b. Route cable(1) to its heater and secure to the walls and ceiling with tie wraps (2) (para. 4-10).
c. Connect thermostat cable (1) to its power cable.