Separate the coil (4) from the magnet assembly (3).
When replacing coil (4) the magnet must be installed with the word FRONT appearing as shown in figure 3-4.
Recommended driving torques for items 1, 5, and 7 are 18 to 21 inch-pounds (2 to 2.4 joules), and
item 6 is 6 to 9 inch-pounds (0.7 to 1 joules).
Remove and replace overload assembly (8) by removing screws (7).
Contacts are not harmed by light discoloration and slight pitting. Do not file them. Replacement
is necessary only when the contact has worn thin.
To replace movable contacts (6), place contactor (nameplate down) on a flat surface and insert a replacement
movable contact finger.
Figure 3-2. Preheat System Contactor K107
and Heater Contactor K109, Exploded View