Repair
60 3A2347ZAA
Replace Band Heater
Disassembly (see FIG.36):
1. Loosen clamp on air motor bracket (528) then
remove funnel assembly (61).
2. While looking through the hole in the fill cap, dis-
pense until the fluid level in the melter is at or below
the honeycomb grid.
3. Once the fluid level is low enough, close the
bleed-type ball valve installed at the system air inlet.
4. Turn main power switch OFF.
5. Disconnect cable from ADM (30) then remove
shroud (29).
6. Remove front access door (10) from electrical
enclosure (1).
7. Remove fabric melter insulator (53).
8. While system is still near operating temperature,
loosen band clamps (CC) then slide fill cap (62) and
rubber housing off melter. When removing rubber
housing from melter, separate rubber from melter by
pressing on inside surface.
9. Loosen screw (AA) then remove sensor (125).
10. Locate the wires in terminal blocks TB1-11B and
TB1-13B. Loosen terminal block screws and
remove wires.
11. Pull wires up through grommet (63) on top of the
electrical enclosure (1). Clip any wire ties that hold
the wires in place.
12. Continue loosing screw (AA) then slide band
heater (208) up to remove.
Reassembly (see FIG.36):
1. Install band heater (208) on the melter with the
opening and screw facing the front of the system in
alignment with the sensor port.
2. Install sensor (125).
3. Slide band heater up then tighten screw (AA).
NOTE: Band heater should be oriented to hold sensor in
place when tightened. It should not bend the sensor.
4. Route band heater wires through grommet (63) in
the top of the electrical enclosure (1).
5. Connect wires to terminals as marked. Wires should
be marked as shown in the following table. Tighten
terminal block screws.
6. Install electrical enclosure access door (10). See
FIG.36.
7. Install fabric melter insulator (53).
8. Install fill cap (62) rubber housing with band clamps
in place. Ensure rubber housing is fully seated on
melter or incorrect refilling may occur. Tighten band
clamps to 25 in-lbs.
9. Install funnel into fill cap (62) then tighten band
clamps (CC) on rubber housing.
FIG.36
ti20753a
53
AA
125
208
10
CC
62
1
63
Item
Wire
Marking 1
Wire
Marking 2
Band Heater (208) TB1-11B TB1-13B
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