Dynabrade 66402 Інструкція з експлуатації - Сторінка 4

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66440 Air Motor Disassembly/Assembly Instructions (continued)

3. Install rotor nut (with wrench flats towards rotor) onto rotor shaft (torque 250 In-lbs.).

4. Check clearance between rotor and bearing plate. Clearance should not exceed .002".

5. Press 01036 Bearing into 52476 Bearing Plate.

6. Install blades and cylinder onto rotor. Make sure air inlet holes in cylinder line up with air inlet holes in bearing plate.

7. Press 52476 Bearing Plate and bearing onto rotor. Line up pin holes and air inlet holes.

8. Check rotation of rotor. Rotor should turn freely and the cylinder walls should be flush with bearing plate edges.

9. Install governor cage assembly onto rotor (left hand threads). Torque 80 In-lbs.

10. Insert motor assembly into motor housing. Line up 01673 Pin in bearing plate with pin slot in motor housing.

11. Replace gasket and housing cover and secure with 95720 Screws (4) and 01791 Washers (torque 80 In-lbs.).

12. Replace 66413 Spacer and 97813 Seal onto rotor shaft (suction cup end of 97813 Seal should face motor housing ).

13. Replace drive wheel.

14. Insert motor into machine housing.

15. Tighten 97108 Set Screws (2) to lock motor in position.

Reassembly is complete. Check motor RPM with a tachometer. If motor is opening at a higher RPM than marked on the tool, then the

tool should be serviced to correct he cause before use. Before operating we recommend that 3-4 drops of air tool oil be placed directly

into the air inlet.Operate tool for approximately 30 seconds prior to application to work piece to determine if tool is operating properly and

safely and to allow lubricating oils to thoroughly penetrate tool.

Mounting and Machine Adjustment Instructions

Turning Passes (Standard Mounting):

1. Install machine, using 66416 Key Mount, into standard cutting tool holder on lathe and tighten.

2. Position tool holder so contact wheel of machine is at or slightly above work piece centerline.

3. Adjust angle of contact wheel, using a dial indicator (not included), so face of contact wheel is parallel

to lathe center line .

Important: Abrasive belt cannot be on tool during this procedure.

4. Install abrasive belt on tool (see "Abrasive Belt Change/Installation").

5. Begin operating procedures.

Facing Passes (optional 66439 Key Mount must be used):

1. Install 66439 Key Mount to back of 66420 Front Housing with the four (4) screws supplied with mount.

Key of 66420 Mount should face forward.

2. Install machine offset 90 degrees from standard mount into cutting tool holder

3. Position tool holder so contact wheel of machine is at or slightly above work piece centerline.

4. Adjust angle of contact wheel using a dial indicator (not included) so face of contact wheel is perpendicular

to lathe center line.

Important: Abrasive belt cannot be on tool during this procedure.

5. Install Abrasive belt on tool (see "Abrasive Belt Change/Installation")

6. Begin operating procedures.

Abrasive Belt Change/Installation:

1. Turn air control valves on air regulator and 66411 Manifold to off positions.

2. Disconnect power source from machine.

3. Remove 66422 Cover and position belt over drive wheel and contact wheel.

4. Replace 66422 Cover.

5. Turn 64933 Air Valve on air tension assembly to open position and adjust belt tensions

to 60 PSI by turning 97894-C Regulator to right or left accordingly.

Note: Always adjust air pressure up to set point, never adjust down.

6. Adjust belt tracking (see "Belt Tracking Adjustment").

Belt Tracking Adjustment:

1. With abrasive belt installed and belt tension set, turn 95740 Air Control Stem on manifold to the open position. Abrasive belt will begin rotation.

2. Adjust belt tracking by turning the 95314 Knob to the left or right accordingly so the belt rides evenly over contact wheel.

66439

Key Mount

(for facing passes)

97894-

Regulator

95696 Air Gage

66428 Manifold

95740 Air

Control Stem

64933 Air Valve

Open

Closed

Air Inlet