Dynabrade 40352 User manual

Disassembly Instructions - 0.4 hp. Dynafile II
Models: 40352, 40353
Important: Use these instructions along with the tool parts page or manual.
Notice: Shut off the air supply and depress throttle lever to deplete the remaining air.
• Carefully disconnect the tool from the air supply hose. • Remove the belt housing cover and
abrasive belt. • Use the Special Repair Tools designed for the disassembly and assembly of this
motor.
Motor Disassembly:
1. Use a 9/64" hex key to loosen the 95311 Screw.
Remove the the air motor from the belt housing assembly.
9/64" hex key

2. Carefully fasten the 01546 Housing in a vise with aluminum or bronze jaws so that the drive
wheel is pointing up. Notice: Over tightening vise will damage housing. Repair Collar
96461 (designed to protect the 01546 Housing) is available upon order.
Use the 96076, 12 mm Wrench to hold the 04117 Adapter stationary.
Remove the drive wheel by hand, or use groove pliers. Turn counterclockwise.

3. Use the 50971 Lock Ring Tool or an adjustable 3 mm pin spanner wrench to remove the
04116 Exhaust Cover. Turn counterclockwise.

4. Loosen the vise and carefully pull the motor out of the 01546 Housing.
Remove the 02679 Shield.
02679 Shield

5. Fasten the 96346 Bearing Separator (2") around the 01476 Cylinder.
Place the bearing separator in the 96232 Arbor Press (#2) with the 04117 Adapter
pointing down.
Use a 3/16" or 5 mm diameter flat end drive punch as a press tool and push the rotor out
of the 02696 Bearing.
96232 Arbor Press
96346 Bearing Separator

6. Use the 96210 Bearing Removal Tool and the arbor press to remove the 02696 Bearing
from the rear bearing plate.
96210 Bearing Removal Tool

7. Fasten the rotor in the vise with aluminum or bronze jaws so that the 04117 Adapter is
pointing up.
Use the 96076, 12 mm, or an adjustable wrench to remove the 04117 Adapter. Turn
counterclockwise.
Remove the bearing, plate, shims and the 01479 Spacer.
Motor Disassembly Complete.
Clean and inspect parts before assembling.
12 mm