Motor Assembly/Disassembly Instructions – Vacuum “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.
Remove sanding pad (if necessary).
3.
Unscrew
96492
Button Head Screws (8).
4.
Remove
57942
Vacuum Tube.
5.
Separate and remove
53858
Vacuum Plate Assembly from
57971
Vacuum Base Plate.
6.
Lift
57982
Clip Retainer up about 1/2", to expose
57971
Vacuum Base Plate.
7.
Remove
57988
Hose from
57971
Vacuum Base Plate.
8.
Disassemble housing assembly from base plate assembly, by pulling apart.
9.
Invert assembly and insert spanner wrench to
57979
Motor Shaft, and remove (left-hand threads).
10.
Remove
57981
Turbine Wheel Assembly.
Note:
Turbine orientation of wheel assembly on motor shaft.
To Assemble:
I
mportant:
Be certain parts are clean and in good repair before assembling.
1.
Replace
57981
Turbine Wheel Assembly on motor shaft using the same orientation as when it was disassembled.
2.
Slide
57983
Base Plate Door onto
57979
Motor Shaft.
3.
Apply a slight amount of #271 Loctite
®
(or equivalent) to
57979
Motor Shaft threads, torque 15 N•m/133 in. - lbs.
4.
Install subassembly into base plate assembly.
5.
Apply a slight amount of grease to the flared end of
57988
Inlet Hose and assemble onto housing. Install
12156
O-Ring.
Slide other end of tube over barb fitting in base plate (use adhesive if necessary).
6.
Install housing assembly onto base plate assembly.
7.
Slide
57982
Clip Retainer down onto
57971
Vacuum Base Plate and install (4)
96492
Button Head Screws, torque
3.4 N•m/30 in. - lbs.
8.
Re-attach
53858
Vacuum Plate Assembly to
57971
Vacuum Base Plate. Secure with (4)
96492
Button Head Screws.
9.
Re-attach
57942
Vacuum Tube to outlet hole of
53858
Vacuum Plate Assembly.
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
01494
Inlet Bushing,
01468
Spring,
01472
tip valve and
01464
Seal from housing.
3.
Remove
95697
Snap Ring. Pull 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 valve stem hole. Place new
01468
Spring into housing so small end is towards tip valve.
6.
Place 1 drop of #567 Loctite
®
(or equivalent) on the threads of the inlet bushing and tighten into housing to
23 N•m/200 in. - lbs.
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.
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