Dynabrade 52280 Manual - Página 3

Procurar online ou descarregar pdf Manual para Ferramentas Dynabrade 52280. Dynabrade 52280 4 páginas. Horsepower tools

Motor Assembly/Disassembly Instructions – .55 Hp Rear Exhaust Tools

Important: Manufacturer's warranty is void if tool is disassembled before warranty expires.

Notice: All of the special tooling referenced to in these instructions can be ordered from Dynabrade. Please refer to this parts page for proper part

identification. The 96522 Motor Tune-Up Kit is available. It contains high and medium wear parts.

Motor Disassembly:

1. Disconnect the tool from the air supply.

2. Remove any guards and attachments from the tool.

3. Position the 57092 Repair Collar around the 02097 Housing and secure the tool in a vise so that the spindle is pointing up.

4. Use the 56058 Lock Ring Wrench to remove the 56046 Lock Ring by turning it counterclockwise.

5. Grasp the spindle and pull the motor assembly out of the housing. Remove the 02092 Shield from the motor assembly.

6. Fasten the 96346 Bearing Separator around the 54680 Cylinder and position the motor assembly in the 96232 #2 Arbor Press so that the spindle is

pointing toward the floor.

7. Use a 3/16" dia. flat punch as a press tool and push the rotor shaft out of the 01206 Bearing.

8. Remove the cylinder, rotor, blades, and key.

9. Use the arbor press to remove the 54680 Front Bearing Plate and 02695 Bearing.

Motor Disassembly Compete.

Valve Housing Disassembly:

1. Position the 52296 Repair Collar around the valve housing and secure the tool in a vise so that the air inlet is pointing up.

2. Hold the 94523 or the 01578 Inlet Adapter stationary with an adjustable wrench while using another wrench to remove any air fitting. It is important to

hold the inlet adapter stationary when removing the air fitting so as to prevent damage to the valve housing.

3. Remove the 94523 or 01578 Inlet Adapter.

4. Refer to the exploded view of the muffler assemblies on the front of this parts page to identify the components and their order of disassembly/assembly.

5. Remove the 01564 Air Control Ring from the valve housing.

6. Use needle nose pliers to remove the 01468 Spring and the 01472 Tip Valve. Use a small screwdriver to remove the 01464 Seal.

7. Use a 2.5 mm dia. drive punch top remove the 12132 Pin and throttle lever.

8. Remove the 95558 Retaining Ring with retaining ring pliers and push the 01469 Speed Regulator Assembly out of the valve housing.

Valve Housing Disassembly Compete.

Valve Housing Assembly:

Important: Clean and inspect all parts before assembling.

1. Install the 01469 Speed Regulator Assembly (includes o-rings) into the valve housing and secure it in place with the 95558 Retaining Ring.

2. Insert the 01449 Valve Stem into the speed regulator so that the end with the hole is visible through the air inlet.

3. Install the 01446 Seal into the air inlet.

4. Use needle nose pliers to install the 01472 Tip Valve so that the metal pin fits through the hole of the valve stem.

5. Install the small end of the 01468 Spring over the back of the 01472 Tip Valve.

6. Refer to the exploded view of the muffler assemblies on the front of this parts page to identify the components and their order of disassembly/assembly.

7. Install the 01564 Air Control Ring onto the back of the valve housing. Apply a small amount of the Loctite #567 (or equivalent) to the male threads of the

94523 or the 01578 Inlet Adapter and install the muffler assembly onto the valve housing. Torque to 23 N•m/200 in.- lbs.

8. Install the throttle lever and secure it with the 12132 Pin.

9. Hold the 94523 or the 01578 Inlet Adapter stationary with an adjustable wrench while using another wrench to install any air fitting. It is important to

hold the inlet adapter stationary when installing the air fitting so as to prevent damage to the valve housing.

Valve Housing Assembly Compete.

Motor Assembly:

1. Use the 57091 Bearing Press Tool to install the 02695 Bearing onto the rotor shaft. Position the press tool so that it will push against the inner race

of the bearing.

2. Install the 54680 Front Bearing Plate onto the 02695 Bearing and the rotor shaft.

3. Insert the 54673 Shaft Key into the rotor shaft.

4. Lubricate the blades with Dynabrade Air Lube (10W/NR or equivalent) and install the 54705 Rotor/Blade Set.

5. Install the 54680 Cylinder over the rotor. Make sure that the cylinder is positioned correctly.

6. Use the 57091 Bearing Press Tool to install the 54679 Rear Bearing Plate and the 01206 Bearing onto the rotor shaft. Push against the inner race of

the bearing until the rear bearing plate makes contact with the cylinder. There should be a snug fit between the bearing plates and the cylinder.

7. Install the motor assembly into the 02097 Housing so that the line-up pin fits into the line up hole on the inside of the housing.

8. Place the shield against the front bearing plate.

9. Position the 57092 Repair Collar around the 02097 Housing and secure the tool in a vise so that the spindle is pointing up.

10. Apply a small amount of the Loctite #567 (or equivalent) to the threads of the 56046 Lock Ring and install it into the housing. Torque to 23 N•m/200 in.- lbs.

11. Install all guards and attachments that are required for the safe operation of the tool.

Motor Assembly Complete. Tool Assembly Complete.

Please allow 30 minutes for adhesives to cure before operating tool.

Throttle Lever Positioning Procedure:

1. Place the 52296 Repair Collar around the valve housing and secure it in a vise so that the 02097 Housing is pointing up.

2. Slip the 01547 Collar down onto the valve housing to expose the 01461 Lock Nut.

(continued on next page)