Dynabrade

0.4 hp Motor - Angle-Head

Models: 49135, 49400, 49410, 49420, 49430, 49440, 49455
Revised: April 5th, 2013

Assemble Angle-Head
Sub-Assembly:


Step 1

Use the RAISED CENTER of the 96243 Bearing Press Tool and the arbor press to install the 54542 Bearings(2) onto the
54549 Work Spindle
and the 54541 Spindle.




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Step 2

Use the RAISED CENTER of the 96418 Bearing Press Tool and the arbor press to install the 54537 Bearing onto the
54549 Work Spindle.




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Step 3

Use the 54536 Shim Pack. To start, install a .002" (0.05 mm) thick shim into the 54547 Angle Housing. Install 54549 Work Spindle with bearings into the angle housing.



Notice: Shim pack contains .002" (0.05 mm)
and .005" (~0.13 mm) thick shims.

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Step 4

Use the 96165 Pin Wrench to install the 54550 Bearing Cap hand-tight.



Important: Left Hand Thread
Turn counterclockwise.

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Step 5

Rotate the work spindle to check the fit in the angle housing.
The spindle should turn smoothly. Also, check axial movement of the spindle.



Notice:
a) If spindle rotation is rough, remove the shim and check rotation again.
b) If there is axial movement, add shims as required.

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Step 6

When the adjustment is correct, apply Loctite #7649 Primer to the threads of the 54550 Bearing Cap. Apply a small amount of Loctite #567 (or equivalent) to the threads of the bearing cap. Use the 96165 Pin Wrench to tighten the bearing cap.
(T to 1.2 N•m/~11 in. lbs.)



Step 7

Install the 95398 Bearing onto the 54541 Spindle.

Notice: If necessary, use the Raised Center of the
96243 Bearing Press Tool and the arbor press.

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Step 8

Install the 54541 Spindle with bearings into the housing.





Install the 54540 Retaining Nut. (T to 34 N•m/~300 in. Lbs.)




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Step 9

With the 54541 Spindle secured in the angle housing, shake the angle housing assembly to check movement of the spindle assembly.



Important: Minimal movement is desired to
reduce gear backlash.

Notice: If there is movement, use the 54536 Shim Pack and add shims as required. Shim pack contains
.002" (0.05 mm) and .005" (~0.13 mm) thick shims.

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Step 10

Fasten the wrench flats of the 54547 Angle Housing in a vise with aluminum or bronze jaws.



Step 11

Join the 53451 or 53454 Adapter to the 54547 Angle Housing.
Use an adjustable wrench to tighten the 54527 Lock Ring.

Important: Left Hand Thread.
Turn counterclockwise. (T to 34 N•m/~300 in. lbs.)

Assembly of Angle-Head Complete