BALL BEARING 1600900088

Replaced both upper and lower bearings. Remove top cap (2 screws) with 2.5mm hex key. Pull speed adjust by pulling back out of retainer. Remove brushes, I used a bent paper clip to pull the spring retainers back. Next remove 2 PH screws holding the top assembly to the windings. Pull off the top assembly. Remove the bottom bearing retaini ... Read more ng screws(2). Remove the shaft nut on the armature. At this point the armature can be pulled from the housing. Simply remove/replace the bearings. Reverse to re-assemble. You really don\'t need pullers but small bearing pullers are cheap. If you replace bearings on any power tool its worth the $12. for a puller.

1 Dis-assemble and remove armature from motor housing.
2 Remove old bearing with a socket used as a punch to drive bearing out.
3 Clean area were bearing goes with clean cloth dampened with mineral spirits.
4 Put new bearing in freezer for one hour.
5 With ten minutes remaining put motor housing in preheated oven o ... Read more f 200 F.
6 After one hour remove bearing from freezer and motor housing from oven.
7 Drop bearing into opening.
8 Let housing cool and then re-assemble.
9 Note: cold causes the bearing to contract by .001 inches and the heat causes the housing to expand by .001 inches and the bearing drops into the bore.

Removed top cover (4 screws).
Removed brushes (2 screws on each brush holder).
Removed plunge base.
Removed nut on lower shaft (recessed in bottom of housing).
Removed upper and lower bearings.
Replaced bearings and re-assembled.

Removed Top Bearing cover and pulled brush springs and brushes from commutator. Disassembled lower lock nut after removing lower slide and height adjustment assembly. Care should be taken when removing lower plate as plunge spring has a tiny ball at the top and is easily lost. Remove lower bearing cover after removing bearing lock nut. Ta ... Read more king care of the small parts and brushes. Removed armature from housing. Removed bearings and replaced same. Polished the commutator in a lathe while the armature was out of the housing. Reassembled the same. Router runs great again for a 15 year old.