Dynabrade 10477 Model T Instructions d'utilisation, d'entretien et de sécurité - Page 3
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Motor Assembly/Disassembly Instructions – "Model T" Dynabug
Important: Manufacturers warranty is void if tool is disassembled before warranty expires.
A complete Repair Kit, part number 96169, is available which includes special tools for correct disassembly/assembly of tool.
To Disassemble
1. Disconnect tool from power source.
2. Unhook 57980 Spring Clips and remove sanding pad (if necessary).
3. Unscrew 95405 Button Head Screws (4).
4. Remove 57980 Spring Clips (if equipped) and lift 57982 Clip Retainer up about 1/2", to expose 57987 or 57997 Base Plate Assembly.
5. Remove 57988 Hose from 57987 or 57997 Base Plate Assembly.
6. Disassemble housing assembly from base plate assembly, by pulling apart.
7. Invert assembly and insert adjustable pin spanner wrench or 50971 Lock Ring Wrench to 57979 Motor Shaft, and remove
(left-hand threads).
8. Remove 58092 Spacer from motor shaft. Note: Spacer orientation on motor shaft.
9. Remove 57981 Turbine Wheel Assembly. Note: Turbine orientation of wheel assembly on motor shaft.
To Assemble:
Important: Be certain parts are clean and in good repair before assembling.
1. Slide 57983 Base Plate Door onto 57979 Motor Shaft.
2. Replace 57981 Turbine Wheel Assembly on motor shaft using the same orientation as when it was disassembled.
3. Replace 58092 Spacer on motor shaft using the same orientation as when motor was disassembled.
4. Install 97121 O-Ring onto base plate assembly.
5. Apply a slight amount of #271 Loctite
N•m/133 in. - lbs.
6. Install 57988 Inlet Hose assembly into housing. Apply some grease to 12156 O-Ring and install.
Note: Speed regulator should be installed at this time. Slide other end of tube over barb fitting in base plate.
7. Install housing assembly onto base plate assembly.
8. Install 57980 Spring Clips onto base plate assembly (if necessary).
9. Slide 57982 Clip Retainer down onto 57987 or 57997 Base Plate Assembly and install 95405 Button Head Screws (4), torque 3.4
N•m/20 in. - lbs.
Tool Assembly Complete. Please allow 30 minutes for adhesives to cure before operating tool.
Valve and Speed Regulator Assemblies:
1. Secure housing in vice using 57092 Collar or padded jaws.
2. Remove inlet bushing, 01468 Spring, 01472 Tip Valve and 01464 Seal from housing.
3. Remove 95697 Snap Ring. Push the speed regulator and valve stem out of the housing. Remove the 01025 O-Rings (2).
4. Place new 01025 O-Rings (2) on the speed regulator and place in housing with valve stem. Install new 95697 Snap Ring.
5. Place new 01464 Seal in housing, Using tweezers or needle nose pliers, place the tip valve into housing so that the pin goes through the
hole in the valve stem. Place new 01468 Spring into housing so small end is towards tip valve.
6. Spread 1 drop of #567 Loctite
Note: This tool is an oil-free Dynabrade Tool. Therefore no air lube should be placed into the tool. Operate the machine for approximately 30
seconds before application to workpiece to determine if machine is working properly and safely.
Loctite
®
is a registered trademark of the Loctite Corp.
Model
Motor
Number
HP (W)
57920
N/A
57922
N/A
57923
N/A
57924
N/A
57925
N/A
57926
N/A
57927
N/A
Additional Specifications: Hose I.D. Size 1/4" (8 mm)
®
(or equivalent) to threads of 57979 Motor Shaft and install onto base plate assembly, torque 15
®
(or equivalent) around the threads of the inlet bushing and tighten into housing to 23 N•m/200 in. - lbs.
Machine Specifications
Motor
Sound
Air Flow Rate
RPM
Level
CFM/SCFM (LPM)
20,000
83 dB(A)
1/9 (255)
20,000
83 dB(A)
1/9 (255)
20,000
72 dB(A)
1/9 (255)
20,000
72 dB(A)
1/9 (255)
20,000
83 dB(A)
1/9 (255)
20,000
72 dB(A)
1/9 (255)
20,000
72 dB(A)
1/9 (255)
Air Pressure
Air Inlet
PSIG (Bars)
Thread
90 (6.2)
1/4" NPT
90 (6.2)
1/4" NPT
90 (6.2)
1/4" NPT
90 (6.2)
1/4" NPT
90 (6.2)
1/4" NPT
90 (6.2)
1/4" NPT
90 (6.2)
1/4" NPT
3
Weight
Length
Pound (kg)
Inch (mm)
Inch (mm)
1 (.45)
5 (127)
1 (.45)
5 (127)
1 (.5)
5 (127
1 (.5)
5 (127
1 (.45)
5 (127)
1 (.5)
5 (127)
1 (.5)
5 (127)
Height
3 (76)
3 (76)
3 (76)
3 (76)
3 (76)
3 (76)
3 (76)