Dynabrade 53455 Bedienings-, onderhouds- en veiligheidsinstructies - Pagina 3

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Disassembly/Assembly Instructions – 950 RPM Mini Angle-Head Drill
Important: The Manufacturer's warranty is void if the tool is disassembled before the warranty expires.
Notice: Dynabrade recommends the use of the 52296 Repair Collar (sold separately) during the disassembly and assembly of this drill. All of the special
repair tools referred to in these instructions can be ordered from Dynabrade. Please refer to this parts page for the proper part identification.
Motor Disassembly:
1. Disconnect the tool from the air supply.
2. Remove the drill or cutter.
3. Use the 52296 Repair Collar to secure the 53456 Housing in a vise.
4. Remove the 53152 Gear Case from the housing by turning it counterclockwise.
5. Pull the air motor from the housing.
6. Fasten the 96346, 2" Bearing Separator around the portion of the 01476 Cylinder that is closest to the 02676 Rear Bearing Plate. Place the separator on
the table of the 96232, #2 Arbor Press so that the pinion is pointing down.
7. Use a 3/16" dia. flat end drive punch as a press tool and push the rotor out of the 02696 Bearing.
8. Remove the 02696 Bearing from the 02676 Rear Bearing Plate with the 96210 Bearing Removal Tool and the arbor press.
9. Position the 01478 Front Bearing Plate against the flat side of the bearing separator with the pinion pointing up. Place these on the arbor press and push
the rotor from the 02649 Bearing.
6. Push the 02649 Bearing out of the 01478 Front Bearing Plate and remove the shims.
7. Slip the 01479 Spacer off the rotor.
Motor Disassembly Complete.
Gear Case Disassembly:
1. Disconnect the tool from the air supply.
2. Remove the drill or cutter.
3. Use the 52296 Repair Collar to secure the 53456 Housing in a vise.
4. Remove the 53152 Gear Case from the housing by turning it counterclockwise.
5. Remove the 01547 Insulator Collar and secure the wrench flats of the gear case in a vise with aluminum or bronze jaws so that the
angle-head is pointing up.
6. Use an adjustable wrench on the flats of the 54547 Angle-Head Housing and turn the housing clockwise to remove it from the gear case.
(Left Hand Threads)
7. Remove the 54527 Lock Ring by turning it clockwise. (Left Hand Threads)
8. Use the 97782 Lock Ring Tool or an adjustable pin spanner wrench to separate the 53454 Double Planetary Housing from the 53152 Gear Case by
turning it counterclockwise. Remove the Spacer.
9. Use the 96401, 2mm Hex Key to remove the 50784 Set Screw from the 53152 Gear Case.
10. Pull the planetary gear assembly from the 53152 Gear Case.
11. Fasten the 96346, 2" Bearing Separator between the rear 54520 Bearing and the 54468 Ring Gear so that the flat side of the separator is against the
ring gear. To remove the bearing from the planetary carrier, place the separator on the table of the 96232 #2 Arbor Press so that the 53150 Pinion is
pointing toward the floor. Use a 3/8" dia. flat end drive punch as a press tool to push the planetary carrier from the 54520 Bearing.
12. Remove the shafts and gears from the planetary carrier.
13. Use the bearing separator and the arbor press to remove the front 54520 Bearing.
14. Carefully hold the 56786 Planetary Carrier in a vise with aluminum or bronze jaws. Apply localized heat to the pinion to soften the thread adhesive.
Use a 3mm diameter shaft through the hole in the 53150 Pinion and remove it by turning counterclockwise.
Gear Case Disassembly Complete.
Double Planetary Housing Disassembly:
1. Use the 96401, 2mm Hex Key to remove the 50784 Set Screw from the 53454 Double Planetary Housing.
2. Pull the planetary gear assembly from the 53454 Double Planetary Housing.
3. Fasten the 96346, 2" Bearing Separator between the rear 54520 Bearing and the 54468 Ring Gear so that the flat side of the separator is against the ring
gear. To remove the bearing from the planetary carrier, place the separator on the table of the 96232 #2 Arbor Press so that the 53450 Spline Drive is
pointing toward the floor. Use a 3/8" dia. flat end drive punch as a press tool to push the planetary carrier from the 54520 Bearing.
4. Remove the shafts and gears from the planetary carrier.
5. Use the bearing separator and the arbor press to remove the front 54520 Bearing.
6. If the 53450 Spline Drive is worn or damaged carefully hold the 56786 Planetary Carrier in a vise with aluminum or bronze jaws. Apply localized heat to
the spline drive to soften the thread adhesive. Use adjustable groove style pliers to grab the spline drive and remove it by turning counterclockwise.
Double Planetary Housing Disassembly Complete.
Angel-Head Disassembly:
1. Secure the 54547 Angle-Head Housing in a vise with aluminum of bronze jaws.
2. Remove the 54540 Retaining Ring with a 5/8" hex key by turning it clockwise. (Left Hand Threads)
3. Pull the 54541 Spindle along with bearings and bevel gear out of the 54547 Angle-Head Housing.
4. Use the 96346, 2" Bearing Separator, a 3/16" dia. flat end drive punch and the 96232, #2 Arbor Press to remove the bevel gear and the
bearings from the spindle.
5. Position the angle-head housing in the vise so that the 54550 Bearing Cap can be removed.
6. Use the 96165 Lock Ring Tool to remove the 54550 Bearing Cap by turning it clockwise. (Left Hand Threads)
(continued on next page)
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