Dynabrade 52225, 52226, 52227, 52288, 52290 Operation, Maintenance And Safety Instructions

Air Motor and Machine Parts

Always operate, inspect and maintain this tool in accordance with the Safety Code for portable air tools
(ANSI B186.1) and any other applicable safety codes and regulations. Please refer to Dynabrade's
Warning/Safety Operating Instructions for more complete safety information.

See reverse side for Accessories and Important Operating, Maintenance and Safety Instructions.

*Optional 01462 Safety Lock Lever assembly available.

Model:

52224 – 15,000 RPM, 6mm
52225 – 18,000 RPM, 6mm
52226 – 20,000 RPM, 6mm
52227 – 20,000 RPM, 6mm
52288 – 15,000 RPM, 1/4"
52289– 18,000 RPM, 1/4"
52290– 20,000 RPM, 1/4"
52291– 20,000 RPM, 1/4"

Parts Page Reorder No. PD96•72

Effective November, 1996

.7 Hp/7°/Short Shank/Front Exhaust

Die Grinder

KEY

L

T

O

Loctite/Hernon: L

2

= Hernon #940

Torque: N•m x 8.85 = In. - lbs.

T

2

= 17 N•m, T3= 23 N•m,

T

5

= 45 N•m

G

Oil

Grease

01739 Housing

Left Hand Threads

01558 Collar

01461 Lock Nut

01548 Gasket

01437 Plug

T

4

L

2

01449 Valve Stem

95730 O-Ring

01024 O-Ring

01469 Speed Regulator

(includes O-rings)

Right Hand Threads

01464 Seal 01468 Spring

01472 Tip Valve 01494 Inlet Adapter

95558 Retaining Ring

01448 Lever

12132 Pin

T

3

L

2

O

01121 Shim (3/pkg.) (as required)

01744 Silencer

01008 Bearing Plate01007 Bearing

01057 Blade (4) (4/pkg.)

55021 Rotor

01028 Cylinder

50767 Pin 02649 Bearing

01743 Bearing Plate

01010 Rotor Spacer

50012 Collet Cap50011 Collet Body

O

T

2

T

2

01463 Housing

Please indicate:
Model #, Serial #,
and RPM
when ordering
replacement parts.

Collet Insert

50013 - 1/4"
50016 - 6mm

Collet Assembly

50010 - 1/4"
50015 - 6mm

Exhaust Cover

01734 - 15,000
01738 - 18,000
01748 - 20,000

!

WARNING

Important Operating, Maintenance and Safety Instructions

Carefully read all instructions before operating or servicing any Dynabrade® Abrasive Power Tool.
Warning: Hand, wrist and arm injury may result from repetitive work motion and overexposure to vibration.
Important: All Dynabrade air tools must be used with a Filter-Regulator-Lubricator to maintain all warranties.

Operating Instructions:

Warning: Eye, face and body protection must be worn while operating power tools. Failure to do so may result in serious injury or death. Follow safety

procedures posted in workplace.

1. With power source disconnected from tool, securely fasten abrasive/ accessory on tool.

2. Install air fitting into inlet bushing of tool. Important: Secure inlet bushing of tool with a wrench before attempting to install the air fitting to avoid damaging

valve body housing.

3. Connect power source to tool. Be careful not to depress throttle lever in the process.

4. Check tool speed with tachometer. If tool is operating at a higher speed than the RPM marked on the tool or operating improperly, the tool should be

serviced to correct the cause before use.

Maintenance Instructions:

1. Check tool speed regularly with a tachometer. If tool is operating at a higher speed than the RPM marked on the tool, the tool should be serviced to correct

the cause before use.

2. Some silencers on air tools may clog with use. Clean and replace as required.

3. All Dynabrade air motors should be lubricated. Dynabrade recommends one drop of air lube per minute for each 10 SCFM (example : if the tool
specification state 40 SCFM, set the drip rate of your filter-lubricator at 4 drops per minute). Dynabrade Air Lube (P/N 95842: 1pt. 473ml.) is recommended.

4. An air line filter-regulator-lubricator must be used with this air tool to maintain all warranties. Dynabrade recommends the following: 11289 Air Line Filter-

Regulator-Lubricator — Provides accurate air pressure regulation, two-stage filtration of water contaminants and micro-mist lubrication of pneumatic
components. Operates 28 CFM @ 90 PSI has 3/8" NPT female ports.

5. Use only genuine Dynabrade replacement parts. To reorder replacement parts, specify the Model #, Serial #, and RPM of your machine.

6. A motor tine-up kit (P/N 96045) is available which includes assorted parts to help maintain motor in peek operating condition.

7. Mineral spirits are recommended when cleaning the tool and parts. Do not clean tool or parts with any solvents or oils containing acids, esters, keytones,

chlorinated hydrocarbons or nitro carbons.

Safety Instructions:

Products offered by Dynabrade should not be converted or otherwise altered from original design without expressed written consent from
Dynabrade, Inc.

• Important: User of tool is responsible for following accepted safety codes such as those published by the American National Standards Institute (ANSI).

• Operate machine for one minute before application to workpiece to determine if machine is working properly and safely before work begins.

• Always disconnect power supply before changing abrasive/accessory or making machine adjustments.

• Inspect abrasives/accessories for damage or defects prior to installation on tools.

• Please refer to Dynabrade’s Warning/Safety Operating Instructions Tag (Reorder No. 95903) for more complete safety information.

• Warning: Hand, wrist and arm injury may result from repetitive work, motion and overexposure to vibration.

Notice

All Dynabrade motors use the highest quality parts and metals available and are machined to exacting tolerances. The failure of quality pneumatic 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.

2

(PD96•72)

One Year Warranty

Following the reasonable assumption that any inherent defect which might prevail in a product will become apparent to the user within one year from the
date of purchase, all equipment of our manufacture is warranted against defects in workmanship and materials under normal use and service. We shall
repair or replace at our factory, any equipment or part thereof which shall, within one year after delivery to the original purchaser, indicate upon our
examination to have been defective. Our obligation is contingent upon proper use of Dynabrade tools in accordance with factory recommendations,
instructions and safety practices. It shall not apply to equipment which has been subject to misuse, negligence, accident or tampering in any way so as to affect
its normal performance. Normally wearable parts such as bearings, sanding pads, rotor blades, etc., are not covered under this warranty.