Dynabrade 53103 Fonctionnement et entretien - Page 6

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Disassembly/Assembly Instructions Continued

Motor Assembly Continued:

B. Slip the 55026 Front Bearing Plate along with the 01007 Bearing onto the 55025 Rotor.

4. Use a .001" feeler gage to check clearance between the front of the rotor body and the face of the front bearing plate. That clearance

must be .001"-.0015". If it is necessary to adjust the clearance, do this by adding or removing the appropriate thickness in shims.

5. Apply Dynabrade Air Lube 95842 to the 01185 Blades and install these into the rotor slot.

6. Install the 01028 Cylinder so that the air inlet area lines up with the air inlet holes in the rear bearing plate.

7. Use the 96240 Bearing Press Tool and arbor press to install the 02649 Bearing into the 55027 Rear Bearing Plate (press tool against the

outer race of the bearing).

8. Use the 96240 Bearing Press Tool and arbor press to install the rear bearing/plate onto the rotor (press tool against the inner race of the bearing).

Important: The fit must be snug between the bearing plates and the cylinder. However, if its' too tight the rotor will turn freely. In that

case the fit must be loosened so that the rotor will turn freely while still maintaining a snug fit.

Planetary Gear Assembly:

1. Press the front 02552 Bearing onto the front of the planetary carrier.

2. Install the 04114 Spindle Nut onto the planetary carrier. (Torque to 17 N•m/150 in.-lbs.)

3. Lubricate the planetary gears, needle bearings, and shafts with P/N 95542 Grease, and install these into the planetary carrier.

4. Install the 53191 Ring Gear over the planetary carrier so that the set screw and grease fitting notches will orient correctly once placed

into the cover.

5. Press the rear 02552 Bearing onto the rear of the planetary carrier until it touches the ring gear. Important: The fit must be snug between

the bearings and the ring gear. However, if its' too tight the planetary carrier will not turn freely. In that case the fit must be loosened so that

the planetary carrier will turn freely while still maintaining a snug fit.

6. Install the 55031 Felt Seal into the cover.

7. Install the planetary carrier assembly(ies) into the cover so that the notches in the ring gear(s) align with the set screw and grease fitting

openings in the cover.

8. Apply a small amount of Loctite #567 (or equivalent) to the threads of the 04114 Set Screw(s) and install into the cover.

9. Lubricate the planetary gears through the grease fitting(s) applying 1 plunge at intervals of every 50 hours of use. Order and use the

recommended Dynabrade 95542 Grease Gun to insure the maximum gear life.

Tool Assembly:

1. Carefully secure the housing in a vise so that the motor opening is facing up. To avoid damaging the housing do not over tighten the vise.

2. Install the air motor assembly into the housing.

3. Carefully align the cover and the planetary gear assembly(ies) to the housing and the air motor assembly. (Left Hand Thread),

(Torque to 28 N•m/250 in.-lbs.).

4. Use the 96034 12mm Hex Key to install the 57066 Muffler Body into the housing. Place the 56027 Muffler Insert into the 56028 Muffler

Cap and install these onto the muffler body.

5. Install the drill chuck and the 53153 Side handle.

Shroud Assembly:

1. Slide 31900 Hose Cuff onto port extending from 52753 Shroud.

2. Slide 97029 Hose Clamp onto base of Shroud; ensure that hose clamp is loose. Install Shroud onto 02276 Shroud base.

4. Install Shroud sub-assembly onto tool, ensuring that 02276 engages 02272 Sleeve and Attach 31926 Vacuum hose to Hose Cuff.

6. Tighten 53219 Locking Knob and tighten 97029 Hose Clamp.

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

Important: Motor should now be tested for proper operation at 90 PSIG. If motor does not operate properly or operates at a higher RPM than

marked on the tool, the tool should be serviced to correct the cause before use. Before operating, place 2-3 drops of Dynabrade Air Lube

(P/N 95842) directly into air inlet with throttle depressed. Operate tool for 30 seconds to determine if tool is operating properly and to allow

lubricating oils to properly permeate motor.

All Dynabrade motors use the highest quality parts and materials available and are machined to exacting tolerances. The failure of quality pneu-

matic 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.

Our warranty obligation is contingent upon proper use of our tools and cannot apply to equipment which has been subjected to misuse such as

unclean air, wet air or a lack of lubrication during the use of this tool.

Notice

Loctite

is a registered trademark of Loctite Corp.