If multimeter reading is greater than one ohm between any pair of test points, replace
Turn power source off.
Disconnect power source from contactor.
Position contactor (4) on bottom of PDU housing (13) so that threaded studs fit through
contactor mounting holes, and connector (6) is facing terminal board (14). Secure with four
self-locking nuts (11) and four flat washers (12).
Install electrical leads (7) on contactor terminals and secure with six flat washers (10), six
lockwashers (9) and six nuts (8). (Refer to figure 5-7, or to the schematic located inside the
PDU cover, when reconnecting leads.)
Plug connector P8 or P9 (5) into contactor connector J8 or J9 (6), as applicable.
Position contactor covers (3) on contactor (4) and fasten each with two screws (1) and two
(5) Close and latch PDU cover.
Figure 5-6. PDU Contactor Replacement.