Legend for figure 4-48:
Screw machine, 1/4-20 x 5/8
Bus bar, 7 terminals (2 reqd)
in. (7 reqd)
Screw, machine, 5/16-18 x
Lockwasher ext. tooth 1/4 in.
3/4 in. (4 reqd)
Lockwasher, ext. tooth 5/16
Screw machine, 1/4-20 x 3/4
in. (4 reqd)
in. (31 reqd)
Wires (31 reqd)
Bus bar, 9 terminals
Bus bar, 10 terminals
Terminal stud (4 reqd) I
Inspect. Inspect the terminal panel for broken terminals, damaged threads on terminal studs and nuts, corroded
bus bars, and defective terminal screws.
FUSEHOLDER AND FUSE.
General. The fuseholder is mounted in the lower part of the electrical control cabinet. It holds one replaceable
cartridge-type fuse that protects the electrical circuit to the chemical solution feeder from overload.
Never work on electrical equipment unless the main switches are off or the power cable is
Remove fuse (5, fig. 4-49) from fuseholder (3).
Remove two terminal screws (2) securing two wires (1) to the fuseholder (3).
Push wires out of the way and remove two screws (4) securing fuseholder (3) to electrical control cabinet.
Cleaning, Inspection, and Replacement.
Drycleaning solvent, P-D-680, used to clean parts is potentially dangerous to personnel and property.
Wear chemical resistant gloves when using solvents, and avoid repeated or prolonged skin contact.
Do not use near open flame or excessive heat. Flash point of solvent is 100 degrees F to 138
degrees F (38 degrees C to 59 degrees C).
Clean fuseholder with drycleaning solvent.