Direction Contactor
PS S5.7 5440
F-code Section C-code
Version no T-code
000
© BT Products
189
Service Manual 1997-07-15
7. Press downward on the other Cover (15) and
disconnect screws from base. Holding pressure on one
Cover (15) and then remove Cover (15) from the
assembly. Set cover and screws to one side.
8. Now remove Cover (15) and screws.
Note locations of the bus bars, contacts and the large
side insulators (13) for ease of reassembly.
9. Remove and discard upper contacts.
10.Remove and inspect Insulators (13) for cracks and
damage. An insulator found to be cracked or broken
should be replaced with a new one.
11.Remove and discard lower contacts.
12.Hold Bracket (3) with one hand and remove support
sub-assembly (armature, contacts, etc.). The return
spring should come off with the armature as it fits into a
recess in the bottom of the armature.
13.Secure support in a vice equipped with soft jaws
using
minimum pressure to hold support.
14.Loosen and remove nut freeing core parts (washer,
insulators, movable contacts, spring seats and spring).
Note the position and location of each part for proper
reassembly. Remove these parts.
15.Pull insulator and core bushing from core.
16.Remove armature core with spring from bottom of
support and remove support from vice.
17.Remove Bracket (3) from coil and base.
18.Remove coil from base.
19.Disassemble the opposite (reverse) contactor in same
manner.
20.Inspect armature core insulators for cracks, breaks, etc.
If parts are found to be damaged, they should be
replaced with new ones.
21.Inspect springs for damage. Replace damage parts with
new ones.
22.Inspect spring seats for damage (cracks, breaks, etc.).
Replace damaged parts with new.