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Disassembly/Assembly Instructions – Dynafile
4. Slip the bearing and plate onto the rotor.
5. Install the 04081 Rotor Nut and check the clearance between the rotor and plate with a .001" (0.03mm) feeler gauge. The clearance should be
.001"-.0015" (0.03-0.04mm). If the rotor/plate clearance needs adjustment, repeat steps 2-5 and remove or add shims as required to establish
the correct clearance.
6. Apply the 95842 Dynabrade
®
Air Lube, 10W/NR (or equivalent) to the 01011 Blades (4) and install these into the rotor.
7. Install the 01013 Cylinder over the rotor so that the air inlet opening of the cylinder will align with the air inlet opening of the 01244 Bearing Plate.
8. Use the 96241 Bearing Press Tool (position the raised outside diameter against the outside diameter of the bearing) and 96232 Arbor Press to install
the 01015 Bearing into the bearing plate.
9. Use the 96241 Bearing Press Tool (position the raised inside diameter against the inside diameter of the bearing) and the 96232 Arbor Press to install
the bearing and plate onto the rear bearing journal of the rotor.
Important: Press the bearing and plate down onto the rotor until the 01244 Bearing Plate just touches the 01013 Cylinder. This fit will establish a
preload on the motor bearings producing a "snug fit" between the bearing plates and the cylinder. If the fit is too tight it will cause the bearings to wear
prematurely, too loose and the desired preload will not be achieved. If an adjustment is required, remove the bearing and plate. Repeat steps 7-9.
10. Orient the motor assembly so that the air inlet passage in the housing aligns with the air passage in the 01244 Bearing Plate and install
the motor assembly.
11. Wrap the 04078 Felt Silencer around the 04084 Air Control Ring and install these into the 04087 Lock Ring.
12. Apply a small amount of the Loctite
and felt silencer onto the 01243 Housing. Torque to 23 N·m/200 lbs. in.
13. Install the 11424 Wave Spring and the 11419 Cover onto the 01197 Air Motor.
14. Insert the 01197 Air Motor into the 11418 Housing. Use a 9/64" hex key to fasten the motor in place with the 40029 Cam Lock and the 95311 Screw.
15. Install a contact arm assembly and an abrasive belt onto the idler arm assembly.
16. Adjust and Track the abrasive belt by hand. Close the 11419 Cover.
17. Connect the Dynafile to the air supply hose. Open the air supply valve to charge the hose with air.
18. Run the tool and check for proper operation.
Motor Assembly Complete. Tool Assembly Complete. Please allow 30 minutes for adhesives to cure before operating tool.
Important: Motor should now be tested for proper operation at 90 PSIG. If motor does not operate properly or operates at a higher RPM than marked on
the tool, the tool should be serviced to correct the cause before use. Before operating, place 2-3 drops of Dynabrade Air Lube (P/N 95842) directly into air
inlet with throttle lever depressed. Operate tool for 30 seconds to determine if tool is operating properly and to allow lubricating oils to properly penetrate motor.
Loctite
is a registered trademark of Loctite Corp.
®
Abrasive Belt Change and Removal:
To Remove Belt:
1. Open 11419 Cover.
2. Depress idler arm lever and pull belt away from the contact wheel.
3. Slip belt off drive wheel.
To Replace Belt:
1. Create a loop with belt by pinching together the sides of belt in the middle.
2. Slip one loop under the 01111 Drive Wheel and around the idler arm.
3. Depress idler arm lever and pull belt toward the contact wheel.
4. Slip belt over contact wheel.
5. Connect tool to power source.
6. Adjust belt tracking using 95218 Knob.
01089
Safety Throttle
Lever (Optional)
01247
Speed
Control
Screw
#567 (or equivalent) on the threads of the 04087 Lock Ring. Install the lock ring along with the air control ring
®
14000 Dynafile
11421
11011
Idler Arm
Idler Wheel
Assembly
Assembly
01197
11424
01111
Air Motor
Wave
Drive
Spring
Wheel
®
11420
Idler Arm
(See pages 8-11)
11418
95218
Housing
Tracking
Adjustment Knob
6
®
11218
Contact
Arm Assembly