ParkTool DT-3 Park Tool Instructions

ParkTool DT-3 Park Tool

DT-3 Rotor Truing Gauge

1. Assemble DT-3 as shown in Parts Diagram.

2. Mount DT-3 to left upright arm of TS-2 Park Tool Professional Truing Stand with socket head cap screw (#133S).

3. Mount wheel in truing stand.

4. Adjust quick release (#929) and indicator gauge (#1758) so end cap (#569) just clears edge of rotor (Figure 1). Thread lock nut (#1107) against body (#1755) to stabilize indicator gauge.
   

5. Slowly rotate wheel, looking for bends in rotor as it passes end cap
   (Figure 2). True rotor as necessary using DT-2 Park Tool Rotor Truing Fork until straight.
   

For more information and complete instructions on truing disc brake rotors: www.parktool.com

DT-2 Rotor Truing Fork (not included)

DT-3 PART

DT-3 PART NUMBERS

Ref. #

| Part #| Description|

Qty.

---|---|---|---

1

| 495| Knob 1/4 – 20|

1

2

| 1758| Threaded Pointer|

1

3

| 1107| Knurled Nut 1/4 – 20|

1

4

| 569| Pointer End Cap|

1

5

| 1755| Body|

1

6

| 929| Quick Release Upright Lock|

1

7

| 133S| Button Head Socket Cap Screw 1/4 – 20-x7/8|

1

8

| 1556-4| Washer|

1

9

| 1757| Shaft|

1

10

| 131S| Hex Nut 1/4 – 20|

1

©2018 Park Tool Co.
PARK TOOL® and the color BLUE are registered trademarks of Park Tool Co.

Documents / Resources

| ParkTool DT-3 Park Tool [pdf] Instructions
DT-3 Park Tool
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References

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