Kettle Temperature Control; Replacement - Graco ThermoLazer 200TC Repair Manual

Kettle Temperature Control

Replacement

When replacing temperature control, keep in mind that
the temperature probe is an integral part of the assem-
bly. Do not make any sharp bends in the capillary tub-
ing. Bends should be 0.25 in. (0.64 cm) in radius or
greater.
Be sure to seal capillary tubing with high temperature
mortar at kettle outlet.
Removal
1. Empty kettle and clean all material out. Make sure
stud (318), nut (124), clip (41) and probe (162) are
completely free of material.
2. Use screwdriver to loosen hose clamps (160) and
disconnect hoses (189) from bead hopper (43).
3. Use wrench to remove four bolts (139) and remove
bead hopper (43).
4. Pull temperature capillary tube (162) and grommet
(350) free of heat shield (270).
5. Remove temperature control knob (AA) by hand.
BB
6. Remove temperature control plastic 4-way insert
from shaft. Insert behind knob (AA).
7. Use screwdriver to remove two screws on tempera-
ture control slip-fit overlay ring (BB). Overlay ring
(BB) is attached to temperature control enclosure
(205).
3A1320L
ti14557a
AA
ti14124a
8. Use screwdriver to remove four screws (221) and
remove temperature control enclosure (205) from
handle bar mounting plate (122).
9. Use screwdriver to disconnect wires (242 and 243
for ThermoLazer), (243 and 360 for ThermoLazer
ProMelt).
10. Use wrench and extension to remove nut (124) from
temperature probe (162).
11. Use needle-nosed pliers to remove clip (41) from
probe (162).
12. Pull probe (162) through nut and clamp openings.
13. Use flat screwdriver or a small chisel to chip away
mortar on inside and outside of kettle until probe
freely passes through.
14. Pull probe (162) completely out of kettle (14) and
remove from temperature control enclosure (205).
ThermoLazer 200
ThermoLazer 300
124, 318
ThermoLazer ProMelt
(24H624)
41
15. .
Kettle Temperature Control
TC
ti22652a
(24H622, 24H625)
TC
ti17067a
41
ti17066a
124
7