TM 10-4610-215-24
TM 08580A-24/2
c. Testing
(1) Inspect circuit breaker for cracked or broken casing or broken terminals.
(2) With circuit breaker in the ON position, touch ohmmeter probes between L1 and T1, L2 and T2, and
L3 and T3. (Refer to schematic, figure 1–1 2.)
(3)
(4)
(5)
(6)
Ohmmeter should read zero on each pair.
Switch circuit breaker to OFF position.
Touch ohmmeter probes between L1 and T1, L2 and T2, and L3 and T3.
Ohmmeter should read OPEN on each pair.
d. Repair or Replace.
.
(1) Replace all damaged nuts, bolts, screws, and washers.
(2) Replace all damaged or worn electrical wires.
(3) Replace damaged or unserviceable circuit breakers.
e. Installation.
CAUTION
Pulling on wires can damage wires and terminals. Take care
when moving circuit breaker panel.
(1) Carefully tilt circuit breaker panel forward to reach back of panel.
(2) Hold circuit breaker (9) in place on circuit breaker panel.
(3) Install six screws (6), six lockwashers (7), and six flat washers (8) through circuit breaker panel into
circuit breaker (9).
NOTE
Small circuit breakers (120 Vat) are mounted to circuit breaker
panel with two screws, two lockwashers and two flat washers.
(4) Install six flat washers (4), all wire lugs (5), six more flat washers (4), and six nuts (3) to 208 Vac circuit
breaker. Install the wires on the circuit breakers (9) for R.O. pump and backwash pump circuit breakers and install
plug–in wires (11) on spade lugs (10).
(5)
(6)
(7)
(8)
NOTE
Small circuit breakers (120 Vat) have only two nuts, two tagged
wire lugs, and four flat washers.
Tilt circuit breaker panel back into its normal position.
Install four screws (1) and four flat washers (2) through circuit breaker panel into stand-offs.
Switch all circuit breakers to OFF position.
Close junction box assembly cover and reinstall thirteen snap-screws.
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