K9 time delay relay, fan motor, testing procedures:
(a) Connect multimeter to terminals 2 and 3 of K9 relay.
(b) Apply +28 VDC to terminal 1 of K9 relay and -28 VDC to terminal 5 of K9 relay.
(c) Multimeter must show continuity across terminals 2 and 3 within 15 seconds 1.5 seconds after applying
(d) Remove the 28 VDC. The multimeter must show that contacts are open.
Repair bent portions of junction box by straightening.
Replace or repair broken leads or terminals. Resolder broken solder joints. Refer to Paragraph 4-9.
Connect ground lead.
Secure arm (7) to circuit breaker handle by driving in shaft.
Replace cover (6) and secure with two screws (3) and lockwashers (2).
Connect all leads to circuit breaker (5). Refer to Table 4-7.