Dynabrade

0.4 hp Motor - Right-Angle
Planetary Geared

Models: 49425 (Any 0.4 hp Right-Angle tools with Planetary Gears)
Revised: April 5th, 2013

Important:

Use these instructions along with the tool, parts page or manual.

Notice: To avoid damage to the motor housing, use the Special Repair Tools designed for the disassembly and assembly of this motor. Disconnect the tool from the air supply. Use the appropriate wrenches to hold the work spindle stationary and remove the accessory.

Separate Planetary Geared Motor
from Right-Angle Head:


Step 1

With the right angle housing pointing up, fasten the 01578 or 94523 Inlet Adapter in a vise with aluminum or bronze jaws.




▲ Top of Page



Step 2

Use an adjustable wrench to remove the 50024 Gear Case.
Turn counterclockwise. Remove the motor from the housing core.


Notice: If the 01578 or 94523 Inlet Adapter loosens before the gear case, remove the inlet adapter, muffler and valve parts.


▲ Top of Page



Step 3

Fasten the 96399 Hex Key (12 mm) in the vise with the notched end pointing up. Place the air inlet of the 45305 Housing Core onto the 96399 Hex Key. Line-up notch with the 97045 Pin.
Use an adjustable wrench to remove the gear case from the 45305 Housing Core. To disassemble the muffler and valve components, refer to, and follow the exploded view instructions found in the parts page or tool manual. Click here and enter model number for parts page or manual.




▲ Top of Page


Separation of Right-Angle Head
and Motor (only) Complete


Step 4

Click here for instructions on
disassembling 0.4 hp. Planetary Reduction Gears set
.


▲ Top of Page



Step 5

Click here for instructions on
disassembling 0.4 hp. Straight-Line Air Motor
.

Notice: Carefully hold the pinion gear in the vise with aluminum or bronze jaws so that the governor is
pointing up.

▲ Top of Page