©
2005 PACE Incorporated, Annapolis Junction, MD All Rights Reserved. Printed in the USA
www.paceworldwide.com
Ensure that the heater assembly of your handpiece is defective by referring to the Corrective Maintenance section
of the SX-70 manual. To replace the SX-70 Heater, ensure that the heater is at room temperature & perform the
following procedure using the illustration as a guide.
SX-70 SODR-X-TRACTOR HANDPIECE
HEATER ASSEMBLY PACE P/N 6010-0080
REPLACEMENT INSTRUCTIONS
MANUAL NUMBER 5050-0279 REV. F
1. Remove and set aside any installed tip from the handpiece.
2. Disconnect the SX-70 handpiece from the power receptacle of the power source.
3. Remove the end cap assembly & solder collection chamber from handpiece.
4. Remove the two (2) C Clips located at the rear of the handpiece.
5. Remove the two (2) Handpiece Mounting Screws which secure the top and bottom halves of the handpiece
together.
6. Remove the three (3) Heater Assembly Screws. Allow the Heater to hang loose.
DO NOT
pull the Heater from
the handpiece at this time.
7. Remove the two (2) Heat Dissipater Screws which attach the Heat Dissipater to the Handpiece (Bottom). Refer
to the illustration.
DO NOT
remove the third screw attaching the Heat Dissipater to the Handpiece (Top).
8. Remove the Handpiece (Bottom).
9. Remove the two (2) PCB Assembly Screws. Set the PCB Cover aside. Discard Solder Shield (if present).
10. Disconnect the five (5) Heater leads plugged into the Cord and Switch Assembly. Remove the Heater from the
handpiece.
11. Insert the wire leads of the replacement Heater assembly through the
Heat Dissipater. Align Heater assembly with the Alignment Hole (on
heater flange) directly over the Heat Dissipater Screw.
12. Using needle nose pliers, carefully plug the five (5) color coded wire
leads of the replacement Heater assembly into the
receptacles of the PCB Assembly. Ensure that the leads are inserted as
shown with the flat surface of the metal pins down against the PCB. Plug
the Tan leads into the jacks along either edge of the pcb (#1 and #5; see
PCB Cover markings on illustration). Plug the bare metal lead into the
center jack (#3). Plug the two (2) Blue leads into the two (2) remaining
jacks (#2 and #4).
13. Place the replacement Solder Shield on the bottom of the PCB
Cover, aligning the holes in the Solder Shield with the 2 holes on the
cover. Press the hole at the rear (small end) of the Solder Shield over the
shoulder (with hole) at the rear of the PCB Cover. This will hold the
Solder Shield in position on the cover.
14. Place the PCB Cover (with attached Solder Shield) back over the
PCB Assembly. Attach to the handpiece using the two (2) screws
removed instep #9.
15. Reassemble the handpiece in the following order.
a) Replace the Handpiece (Bottom) removed in step #8.
b) Replace the two (2) Heat Dissipater Screws removed in step #7.
c) Replace the three (3) Heater assembly Screws removed in step # 6.
d) Replace the two (2) Handpiece Mounting Screws removed in step #5.
e) Replace the two (2) C Clips removed in step #4.
f) Replace the solder collection chamber and the end cap assembly removed in step #3. Replace the tip.
16. Connect the handpiece to the power source.
NOTE
- A small amount of smoke will be emitted for a short
period of time when the heater is initially powered up.
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