Dynabrade DynaZip 13320 Sicurezza, funzionamento e manutenzione - Pagina 5

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Assembly/Disassembly Instructions – .4 hp/7˚/Industrial DynaZip

Important: The Manufacturing Warranty is void if the tool is disassembled before the warranty expires by anyone other than a Dynabrade

Approved Repair Technician. Notice: A 96174 Motor Tune-Up Kit is available. Also, the special repair tooling referred to in these instructions can be ordered

through your Dynabrade

Distributor. Please refer to this tool manual for correct part number identification.

Important: Always follow these steps before servicing any part of this air tool.

Shut off the air supply, and depress throttle lever to dissipate the remaining air. Carefully disconnect the tool from the air supply hose.

Note: Use a wrench to hold the air tool inlet adapter stationary when disconnecting or removing the air supply connection.

Motor Disassembly:

1. Position the 52296 Repair Collar around the valve housing and hold the tool in a vise so that the hub assembly is pointing up.

2. Use the 95262 Wrench (14 mm) to hold the 13324 Adapter stationary. Using the adjustable wrench, turn counterclockwise to remove the

92283 Bolt. Remove the accessory and hub.

3. Use the 50971 Lock Ring Tool to remove the 50781 Rear Exhaust Cover and 13323 Guard Assembly by turning it counterclockwise.

4. Remove the 50784 Set Screw and pull the planetary gear assembly out of the 50776 Housing. (Set planetary gear assembly aside in a clean area.)

5. Remove the 50778 Spacer and the air motor from the housing.

6. Fasten the 96346 Bearing Separator (2") around the portion of the 01476 Cylinder that is closest to the 02673 Rear Bearing Plate. Place the bearing

separator and the motor on the table of the 96232 Arbor Press (#2) so that the pinion gear is pointing down.

7. Remove the 02679 Shield from the 02696 Bearing.

8. Use a 3/16" or 5mm diameter flat end drive punch as a press tool to push the 54554 Rotor out of the 02696 Bearing. Remove the cylinder

and 01480 vanes.

9. Use the 96210 Bearing Removal Tool and the arbor press to remove the 02696 Bearing from the 02673 Rear Bearing Plate.

10. Position the rotor and front bearing/plate in the arbor press so that the flat side of the 01478 Front Bearing Plate is supported and the pinion gear is

pointing up. Push the pinion end of the rotor out of the 02649 Bearing.

11. Remove the 02649 Bearing and the 54529 Shims from the 01478 Front Bearing Plate.

12. Remove the 01479 Spacer from the rotor.

Motor Disassembly Complete.

Planetary Gear Disassembly:

1. Fasten the 96346 Bearing Separator (2") between the back 54552 Bearing and the 54468 Ring Gear so that the flat side of the separator is toward

the ring gear.

2. Position the separator in the arbor press so that the 13324 Adapter is pointing down.

3. Use a 5/16" or 8mm diameter flat end drive punch as a press tool to push against the planetary carrier and remove the bearing.

4. Remove the shafts and the planet gears.

5. Carefully fasten the solid part of the planetary carrier in an aluminum or bronze jaw vise so that the 13324 Adapter is pointing up.

6. Use the 95262 Wrench (14 mm) or an adjustable wrench to remove the 13324 Adapter by turning it counterclockwise.

7. Use the arbor press along with the separator and a 5/16" or 8mm diameter flat end drive punch as a press tool to push against the planetary carrier

and remove the second bearing.

Planetary Gear Disassembly Complete.

Valve Disassembly:

1. Position the 52296 Repair Collar around the valve housing and fasten the tool in a vise so that the 94523 Inlet Adapter is pointing up.

2. Remove the 94523 Inlet Adapter by turning it counterclockwise.

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

4. Position the valve housing so that the 12132 Pin, throttle lever, and 01449 Valve Stem can be removed.

5. Use retaining ring pliers to remove the 95558 Retaining Ring and then push the 01469 Speed Regulator Assembly out of the valve housing.

Valve Disassembly Complete.

Important: Clean and inspect all parts for wear before assembling. Note: Follow all lubricant, adhesive, and torque specifications.

Valve Assembly:

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

2. Position the 52296 Repair Collar around the valve housing and fasten the tool in a vise so that the 12132 Pin, throttle lever, and 01449 Valve Stem

can be installed.

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

4. Install the 01464 Seal into the valve housing so that it is laying flat.

5. Use needle nose pliers to install the 01472 Tip Valve so that the metal pin passes through the hole in the 01449 Valve Stem.

6. Install the 01468 Spring so that the smaller end of the spring fits against the back of the tip valve.

7. Refer to the exploded view of the muffler assembly for the correct order of assembly.

8. Apply a small amount of the Loctite

the valve housing. (Torque to 23N•m/200 in. lbs.)

9. Hold the tool air inlet adapter stationary with a wrench when making or installing the air supply connection.

Valve Assembly Complete.

Motor Assembly:

1. Install the 01479 Spacer onto the rotor.

#567 (or equivalent) to the external threads of the 94523 Inlet Adapter and install the 94519 Muffler Assembly into

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