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Picture 

Number 

Part 

Number 

Description 

40443A 

Speed Change Collar (2-Speed) 

40443 

Speed Change Collar Screws 

3 40493 

Clutch 

Housing 

4 40493A 

2-Speed 

Clutch 

5 40437B 

Drive 

Plate 

(

shown with Bushing Posts (40460 & 

Bushings 40461)  Also note: the Clutch Pins (40459) are 
inserted as well.

6 40494A 

Spindle 

Bolt 

40437A 

Wide Drive Ring Spindle 

40437 

Wide Drive Rings 

9 40449 

Main 

Spindle 

 

10 

40432 

Main Spindle Bearing 

11 40464 

Thrust 

Washer 

12 40464B 

Metal 

Shim 

13 40448 

Loading 

Springs 

 

Sub Assembly B Disassembly (Motor Housing) 

(Note: 

most pictures are of a 40446 1-speed raceway, not the correct 40446A raceway

STEP 9 

After removing the two narrow drive rings, insert your 
turbine raceway tool (00003) into the three holes in the 
raceway.  Unscrew the raceway from the housing.  If you 
cannot get the raceway to unscrew, put the threads of the 

Summary of Contents for Shorty

Page 1: ...e spindle lock button as shown Then wrap a strip of rubber around the speed change collar and motor housing and unscrew All the threads on this handpiece are regular thread so turn counterclockwise to...

Page 2: ...sary To remove the dog pins 40459 from the drive plate place the plate into the crows foot shaped hole on your block far left pic Then use a thin punch to drive the pins out of the holes To remove any...

Page 3: ...e Drive Ring Spindle 8 40437 Wide Drive Rings 9 40449 Main Spindle 10 40432 Main Spindle Bearing 11 40464 Thrust Washer 12 40464B Metal Shim 13 40448 Loading Springs Sub Assembly B Disassembly Motor H...

Page 4: ...ress the spindle and tool through the raceway STEP 12 Now turn the partially disassembled raceway over see picture The front motor bearing must be removed from the raceway Use your Lares assembly tool...

Page 5: ...shown Using the same Lares punch press the spindle into the impeller STEP 16 If you did not replace the rear o ring in STEP 10 do so now Then reinstall the vent plug STEP 17 Place the rear turbine bea...

Page 6: ...lutch assembly horizontally and opposite each other far left Press them together and hold tightly while screwing the spindle bolt into the spindle as shown near left STEP 24 Insert the spindle half wa...

Page 7: ...ge of the clutch housing Now mesh the two drive plate bearings into the two narrow drive rings in the motor housing Once these are correctly aligned begin to thread the two halves together Be sure not...

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