Dynabrade

1.0 hp Motor
Planetary Reduction Gears

Models: Dynabrade tool that uses a 1.0 hp motor
with planetary reduction gears
Revised: November 12, 2013

Disassembly:


Step 1

Position the 51989 Repair Collar around the motor housing. Fasten the tool in a vise so that the work spindle is pointing up. Use a HEAT GUN to warm the planetary gear casing or planetary cover to soften the thread adhesive.





Use an adjustable wrench to remove the planetary gear casing or planetary cover. Turn counterclockwise.



Important: Use Disassembly Instructions - 1 hp Straight
for repairing the air motor assembly.

▲ Top of Page



Step 2

Use a 2.5 mm or 3/32" hex key to remove the set-screw.




▲ Top of Page



Step 3

Remove the planetary reduction.




▲ Top of Page



Step 4

Fasten the 96346 Bearing Separator (2") with the FLAT SIDE facing the RING GEAR and the BEVELED SIDE facing the
02552 Bearing
.



Important: Place the bearing separator and the planetary reduction in the 96232 Arbor Press (#2) with the spindle pointing down.

▲ Top of Page



Step 5

Use a 5/8" or 16 mm diameter press tool to push the planetary carrier out of the 02552 Bearing. Remove the ring gear, shafts, and planet gears.




▲ Top of Page



Step 6

Fasten the planetary carrier in a vise with aluminum or bronze jaws so that the spindle nut ispointing up.Use an adjustable wrench to remove the spindle nut.



Important:
Turn counterclockwise.

▲ Top of Page



Step 7

Use the arbor press to push the planetary carrier out of the
02552 Bearing.




▲ Top of Page



Planetary Gear Disassembly Complete.

Clean and inspect parts before assembling.




▲ Top of Page