Dynabrade 15302 Assembly - Seite 5

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Assembly/Disassembly for Dynafile

9. Install motor assembly into housing (be sure motor drops all the way in). Tighten exhaust cover onto motor housing

(torque 34 N•m/300 in. - lbs.).

10. Motor adjustment must now be checked. With motor housing still mounted in vise, pull end of rotor and twist (10-15 lbs.

force), rotor should turn freely without drag. If drag or rub is felt, then increase preload or remove shim. Also, push end of

rotor and twist (10-15 lbs. force), rotor should turn freely without drag. If drag or rub is felt, then deload or add shim.

11. Tighten 15336 Drive Wheel onto rotor (torque 3.38 N•m/30 in. - lbs.).

Motor Assembly Complete.

Valve Stem/Body Assembly:

1. Install 95523 O-Ring onto 01470 Insert Assembly.

2. Install 01470 Assembly into valve body housing.

3. Insert 01469 Speed Regulator Assembly into valve body housing. Secure with 95558 Retaining Ring.

4. Secure valve body assembly in padded vise using 52296 Repair Collar with air inlet facing upward and throttle

lever accessible.

5. Insert 01464 Seal into housing.

6. Line up the hole in 01449 Valve Stem with the hole in the housing (looking past brass bushing). Using needle nose pliers,

insert 01472 Tip Valve so that the metal pin passes through the hole in the 01449 Valve Stem.

7. Install 01468 Spring (small end first) over tip valve.

8. Install 01564 Air Control Ring, onto 01494 Inlet bushing.

9. Apply small amount of #567 Loctite

(Torque 34.0 N•m/300 in. lbs.).

10. Install 01448 Throttle Lever and 12132 Pin. Remove valve body assembly from vise.

Housing Assembly:

1. Place 15307 Tension Shaft into housing.

2. Apply one drop of #242 Loctite

housing diagram for proper location of 95217 Screw).

3. Install 15310 Dust Cover onto 15307 Tension Shaft.

4. Lubricate (#771 Loctite

5. Install 95426 Spring into 15307 Tension Shaft and place 15306 Tension Arm over 95426 Spring.

6. Place 15308 Guide post into 15306 Tension Arm, apply one drop of #242 Loctite

7. Compress tension arm and secure in place with 96335 Nut. (Torque to 3.0 N•m/300 in. lbs.)

8. Press 96334 Plug into 15306 Tension Arm.

9. With 40029 Motor Lock in place, install air motor assembly into housing and secure in place with lubricated

(#771 Loctite

or equivalent) 95311 Screw.

10. Complete assembly by installing contact arm assembly, abrasive belt and place 15310 Belt Guard assembly over 15305

Housing, tighten 15329 Screw into 15305 Housing.

Housing Angle Adjustment:

1. Disconnect power source.

2. To pivot housing, loosen 95311 Motor Lock Screw on housing with the supplied 3/16" hex wrench (P/N – 95134).

3. Pivot housing to desired angle and retighten the 95311 Motor Lock Screw.

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

Note: Motor should operate at between 18,000 and 20,000 RPM at 90 PSIG (6.2 Bar). RPM should be checked with a reed

tachometer. Before operating, we recommend that 2-3 drops of Dynabrade Air Lube P/N – 95842 (or equivalent) be placed

directly into the air inlet with the throttle lever depressed. Throttle lever is preset at the factory at an 1:00 o'clock position.

Important: The regular maintenance of any air tool will contribute to greater efficiency of tool and will prolong tool life. The failure

of quality pneumatic air motors can most often be traced to an unclean air supply or the lack of lubrication. Air pressure easily

forces dirt or water contained in the air supply into motor bearings causing early failure. It often scores the cylinder walls and the

rotor blades resulting in limited efficiency and power. Frequent drainage of water traps in air lines is recommended. Each tool on

each drop should also be equipped with a secondary air processing unit. This consists of an in-line Filter-Regulator-Lubricator. All

Dynabrade air tools must be used with a Filter-Regulator-Lubricator to maintain all warranties. Our warranty obligation is

contingent upon proper use of our tools and cannot apply to equipment which has been subject to misuse such as unclean air, wet

air or a lack of lubrication during the use of the tool.

Loctite

is a registered trademark of the Loctite Corp.

(or equivalent) to threads of 01494 Inlet Bushing and install into valve body.

(or equivalent) to 95217 Screw and tighten (torque to 3.0 N•m/28 in. lbs.). (Refer to

or equivalent) inside of 15307 Tension Shaft and inside larger diameter of 15306 Tension Arm.

III

(or equivalent) to screw threads.

(continued)