Heat TJ-70 Service Manual

Ensure that the installed Heater Assembly of your handpiece is defective by referring to the TJ-70 “Heater
Assembly Checkout Procedure” in either of the handpiece manuals (P/N 5050-0338 or 5050-0350). To replace the
TJ-70 Heater Assembly, follow the procedure listed below using the illustration as guide to ensure optimum
results:

1. Disconnect the Mini ThermoJet handpiece (TJ-70 or TJ-65) from the
power receptacle of the system power source.

2. Remove the end cap assembly and attached metal chamber from the
handpiece.

3. Remove the 3 Heater Assembly Screws. Allow the assembly to hang loose. DO NOT pull the Heater

Assembly from the handpiece at this time.

4. Remove the 2 Heat Dissipator Screws which attach the Heat Dissipator to. the Handpiece (Bottom). DO
NOT remove the third screw attaching the Heat Dissipator to the Handpiece (Top).

5. Remove the 2 C Clips located at the rear of the handpiece.

6. Remove the 2 Handpiece Mounting Screws.

TJ-70 HEATER ASSEMBLY

PACE P/N 6010-0084-P1

INSTALLATION INSTRUCTIONS

MANUAL NUMBER 5050-0351 REV. C

7. Remove the Handpiece (Bottom).

8. Remove the 2 Cord & Switch Assembly Screws. Set the PCB Cover aside.

9. Using needle nose pliers, disconnect the 5 Heater Assembly leads
plugged into the Cord & Switch Assembly. Remove the defective Heater Assembly from the handpiece and
discard.

10. Using needle nose pliers, carefully plug the 5 color coded leads of the replacement Heater Assembly i nto
the receptacles of the Cord & Switch Assembly pcb. Plug the Tan Leads into the receptacles along either
edge of the pcb (#1 & #5; see PCB Cover markings on illustration). Plug the Green Lead into the center
receptacle (#3). Plug the 2 Orange Leads into the remaining receptacles (#2 & #4).

11. place the PCB Cover back over the Cord & Switch Assembly. Reattach to the handpiece using the 2

Cord & Switch Assembly Screws removed in step 8.

12. Reassemble the handpiece in the following order.

a) Replace the Handpiece (Bottom) removed in step 7.

b) Replace the 2 Handpiece Mounting Screws removed in step 6.

c) Replace the 2 C Clips removed in step 5.

d) Replace the 2 Heat Dissipator Screws Scre ws removed in step 4.

e) Replace the 3 Heater Assembly Screws removed in step 3.

f) Replace the end cap assembly and metal chamber removed in step 2.

13. Remove the Blue, plastic cover from the end of the Heater Assembly. Connect the handpiece to the system power
source and follow the bum-in procedure listed on the Red tag shipped with the replacement Heater.

CAUTION

Insure that the pcb receptacles face up against the PCB Cover and the
cable assembly wires are not pinched during the Cord & Switch Assembly
Screw installation.

©2005 PACE Incorporated, Annapolis Junction, MD All Rights Reserved. Printed in the USA

www.paceworldwide.com

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PACE Incorporated retains the right to make changes to specifications contained herein at any time, withou
notice. Contact your local authorized PACE Distributor or PACE Incorporated to obtain the lates
specifications.

The following are trademarks and/or service marks of PACE, Incorporated, MD, USA:

INSTACAL
POWERPORT
TEKLINK™.

The following are registered trademarks and/or service marks of PACE Incorporated, Annapolis Junction
Maryland U.S.A.

ARM-EVAC
SODRTEK
VISIFILTER

PACE products meet or exceed all applicable military and civilian EOS/ESD, temperature stability and othe
specifications including MIL STD 2000, ANSI/JSTD 001, IPC7711, and IPC A-610.

™

, FUMEFLO™, HEATWISE™, PACEWORLDWIDE™, PERMAGROUND™,

™

, POWERMODULE™, TEMPWISE™, TIP-BRITE™, AUTO-OFF™, and

®

, FLO-D-SODR®, MINIWAVE®, PACE®, SENSATEMP®, SNAP-VAC®,

®

, SODR-X-TRACTOR®, ST 325®, THERMOJET®, THERMOTWEEZ®,

®

, THERMO-DRIVE®, and TOOLNET®.

dditional copies of this manual or other PACE literature may be obtained from:

PACE Incorporated

9030 Junction Drive

nnapolis Junction,
MD 20701
Tel: [phone]
Fax: [phone]

©2005 PACE Incorporated, Annapolis Junction, MD All Rights Reserved. Printed in the USA

www.paceworldwide.com

PACE Europe Limited

13 Tanners Drive
Blakelands
Milton Keynes
Tel: [phone]
Fax: [phone]