TM9-4110-254-14
4-27.
CONTROL RELAYS K3 AND K4 TESTING AND REPLACEMENT. -Continued
b.
Removal.
(1) Be sure power has been disconnected at the source and remove two bolts (1) and lock washers (2). Open
control panel (3). Discard lock washers.
NOTE
The following procedures apply to both control relays K3 and K4
Quantities given are for each relay.
(2) Tag and disconnect wire leads (5). Do not remove sleeving insulation (6) or faston tab adapters (7) unless
terminals are damaged.
(3) Remove bolt (8), lock washer (9), flat washer (10), and control relay (4) Discard lock washer.
c.
Installation.
NOTE
The following procedures apply to both control relays K3 and K4
Quantities given are for each relay
(1) Install control relay (4), flat washer (10), new lock washer (9), and bolt (8).
(3) If sleeving insulation (6) is damaged or was removed, replace it.
(a)
Using tags and wiring diagram (fig. 1-4), connect wire leads (5) to faston tab adapter (7).
(b)
Place sleeving insulation (6) over faston tab adapter (7) and wire lead (5) terminals.
(c)
Shrink sleeving insulation (6) m place using heat gun.
(4) Using tags and wiring diagram (fig 14), install wire leads (5). Remove tags.
(5) Close control panel (3). Install two new lock washers (2) and bolts (1).
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