Dynabrade 50375 Instrucciones importantes de funcionamiento, mantenimiento y seguridad - Página 3

Navegue en línea o descargue pdf Instrucciones importantes de funcionamiento, mantenimiento y seguridad para Sander Dynabrade 50375. Dynabrade 50375 4 páginas. 7 hp/right-angle/side exhaust disc sander

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Disassembly/Assembly Instructions -
Important: Manufacturer's warranty is void if tool is disassembled before warranty expires.
Notice: All of the special repair tools referenced in these instructions can be ordered from Dynabrade. Please refer to this parts page for proper
identification of all parts.
Right-Angle Disassembly:
Important: Disconnect the tool from the air supply before proceeding with the disassembly of the tool.
1. Remove the 53163 Handle and the 95042 Lock Washer from the 50362 Right-Angle Housing.
2. Carefully secure the tool in a vise with aluminum or bronze soft jaws. Position the tool so that the 50334/52117 Spindle is pointing up. Note: Clamp the
right-angle housing in the vise between the handle boss and the 50366 Exhaust Cover.
3. Remove any abrasive, flanges, disc pads, shrouds and guards from the tool. Note: Use the proper wrenches to remove the flanges and abrasives.
4. Use an adjustable pin spanner wrench with 3/16" dia. pins (4.76 mm) to remove the 50384 Spindle Retainer by turning it clockwise. (Left hand threads)
5. Pull the spindle assembly from the housing and remove the 52089 Washer, 52089 Washer, 52088 Spacer and 52120 Shims.
6. Carefully secure the bevel gear in the vise with aluminum or bronze jaws and use an adjustable wrench to remove the 50333/52118 Spindle Nut by
turning it counterclockwise.
7. Remove the 50412 Felt Ring from the spindle nut.
8. Use the 96346 Bearing Separator (2") and the 96232 Arbor Press (#2) to remove the 50431 Bearing and the bevel gear from the spindle.
9. Insert a 1/4" dia. flat end drive punch through the access hole in the top of the 50362 Right-Angle Housing and press the 50424 Spindle Cap Cover and
the 12152 Bearing out of the right-angle housing.
10. Use the 95266 Hex Key Wrench (3 mm) to remove the 50511 Screws (2), 01791 Washers (2) and 07149 Clamp.
11. Disassemble the exhaust silencer.
12. Slide back the 50383 Collar and then use a 42 mm crowfoot or an adjustable wrench to loosen the 50381 Lock Ring by turning it clockwise.
(Left hand threads)
13. Remove the 50381 Lock Ring from the 01295 Housing by turning the housing counterclockwise. (Right hand thread)
Right-Angle Disassembly Complete.
Motor Disassembly:
1. Pull the motor assembly out of the 01295 Housing.
2. Fasten the 96346 Bearing Separator (2") around the portion of the 01028 Cylinder that is closest to the 01722 Rear Bearing Plate.
3. Place the bearing separator with the air motor on the table of the 96232 Arbor Press (#2) so that the pinion gear is pointing down.
4. Use a 3/16" dia. flat end drive punch as a press tool against the rear stem of the 50379 Rotor and push the rotor out of the 02649 Bearing.
5. Remove the cylinder and blades.
6. Use the 96213 Bearing Removal Tool and the arbor press to push the 02649 Bearing out of the 01722 Rear Bearing Plate.
7. Secure the vane body of the rotor in a vise with aluminum or bronze jaws so that the pinion gear is pointing up.
8. Use the 95262 14 mm open-end wrench to remove the pinion gear by turning it counterclockwise. (Right hand threads)
9. Remove the 50332 Spacer, 50368 Front Bearing Plate, 01007 Bearings (2), 01121 Shims and 01010 Spacer from the 50379 Rotor.
Motor Disassembly Complete.
Valve Disassembly:
1. Secure the wrench flat area of the 01295 Housing in a vise with aluminum or bronze jaws so that the air inlet is pointing up.
2. Hold the 01494 Inlet Adapter stationary with an adjustable wrench and carefully remove any fitting with another wrench. Important: The 01494 Inlet
Adapter must be held stationary when the air fitting is being removed so as not to damage the 01295 Housing.
3. Remove the 01494 Inlet Adapter with an adjustable wrench.
4. Remove the 53190 Block Plate and 96065 O-Ring.
5. Remove the 01468 Spring, 01472 Tip Valve and the 01464 Seal can be removed with a small screwdriver.
6. Use a 2.5 mm dia. drive punch to remove the 01017 Pin and the throttle lever.
7. Use retaining ring pliers to remove the 95558 Retaining Ring and then push the 01247 Speed Regulator Assembly (includes o-rings) along with the
01477 Valve Stem out of the 01295 Housing.
Valve Disassembly Complete.
Valve Assembly:
Important: Clean and inspect all of the parts before assembling.
1. Secure the wrench flat area of the 01295 Housing in a vise with aluminum or bronze jaws so that the air inlet opening is pointing up.
2. Install the 01247 Speed Regulator Assembly (includes o-rings) along with the 01477 Valve Stem into the 01295 Housing.
3. Secure the speed regulator assembly in the housing with the 95558 Retaining Ring.
4. Insert the 01464 Seal into the air inlet opening of the housing so that it lays flat.
5. Use needle nose pliers to install the 01472 Tip Valve so that the metal pin of the tip valve fits through the hole in the 01477 Valve Stem.
6. Install the 01468 Spring so that the small end of the spring fits over the back of the tip valve.
7. Install the 96065 O-Ring onto the 53190 Block Plate. Install the 53190 Block Plate with its flat side toward the housing.
8. Apply a small amount of the Loctite #567 (or equivalent) to the male threads of the 01494 Inlet Adapter and install the adapter into the air inlet opening.
(Torque to 23 N•m/200 in.- lbs.)
9. Install the throttle lever and secure it to the 01295 Housing with the 01017 Pin.
Valve Assembly Complete.
Motor Assembly:
1. Secure the vane body of the 50379 Rotor in a vise with aluminum or bronze jaws so that the threaded spindle is pointing up.
.7Hp/Right-Angle/Side Exhaust
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