Dynabrade Dynorbital 57610, Manual, Page: 4 / 4

Service Kits
96200 Motor Tune-Up Kit:
• Includes assorted parts to help
maintain motor in tip-top shape.
57325 Motor Repair Kit:
• Contains special tools for
Disassembly/Assembly of machine.
Motor Disassembly/Assembly Instructions
(continued)
To Disassemble Valve And Speed Regulator Assemblies:
1. Invert tool and place in soft jaw vise or use 57092 Repair Collar.
2. Loosen and remove 97010 Screws (2) and 01211 Lock Washers (2) from 57373 Adapter.
3. Carefully remove 57373 adapter making sure no parts fall to the ground. On non-vacuum models, pry off 54194 Muffler Cap and remove 54195 Muffler (3).
4. Remove 57343 Speed Regulator by detaching 95558 Retaining Ring with a pair of snap ring pliers. Remove 01024 O-rings with a small screwdriver or razor.
5. Remove tip valve assembly from housing.
To Reassemble Valve And Speed Regulator Assemblies:
1. Lightly lubricate 01024 O-rings and slide them on 57343 Speed Regulator. Install through regulator hole on 57373 Adapter. Place 95558 Retaining Ring
on groove of speed regulator using a pair of retaining ring pliers.
2. Line-up hole valve stem with inlet hole in handle. Place 01464 Seal into handle . Insert 01472 Tip Valve so that the metal pin goes through the hole in the
valve stem. Place 01468 Spring into the housing, small end first.
3. Gently line-up 57373 Adapter onto handle so no parts shift when tightening. Replace and tighten 97010 Screws (2) and 01211 Lock Washers (2).
Disc Pad Change:
1. Use a 3mm hex wrench to remove 95885 Screw (5) and 95886 Washers from mounting plate.
2. Remove old pad and replace with new pad. Replace screws and washers and tighten with 3 mm hex wrench.
Note: No need to remove shroud.
Motor assembly is complete. Please allow 30 minutes for adhesives to cure before operating tool.
Important:
Motor should operate at 10,000 RPM at 6.2 bar (90 PSI). RPM should be checked with a tachometer. Before operating, we recommend that 3-4
drops of pneumatic tool oil be placed directly into the air inlet with throttle lever depressed. Operate tool for 30 seconds to determine if machine is operating
properly and to allow lubricating oils to properly dispense through machine.
Loctite® is a registered trademark of the Loctite Corp.
DYNABRADE
®
DYNABRADE, INC., 8989 Sheridan Drive • Clarence, NY 14031-1490 • Phone: (716) 631-0100 • Fax: 716-631-2073 • International Fax: 716-631-2524
DYNABRADE EUROPE S.àr.l., Zone Artisanale • L-5485 Wormeldange—Haut, Luxembourg • Telephone: 352 76 84 94 • Fax: 352 76 84 95
© DYNABRADE, INC., 1996 PRINTED IN USA