1
Form Z764
Date 2006March7/A
Page 1 of 1
Printed In U.S.A.
SIOUX RO2512 SANDER SERIES
DROP IN MOTOR KIT INSTRUCTIONS
4. Add 2-3 drops of medium strength thread retaining compound to the threads of the Lock Ring.
5. Hand tighten the Lock Ring then use the Lock Ring Wrench and a torque wrench to tighten to 200 in-lb (22.5 N-m).
6. Reassemble the shroud, grip, pad and any vacuum components. ===> Lubricate the motor with with 3-4 drops of
Sioux Air Motor Oil before connecting the sander to the air supply. Operate the sander for 30 seconds to assure
proper operation and to disperse lubricant through the motor.
Removing the motor
1. Remove Grip, Pad and
Shroud.
2. Secure Vise Plate by mounting to workbench
or clamping in a vise.
3. Position tool in Vise Plate as shown.
4. Position Lock Ring Wrench on Lock Ring as
shown. Use a 3/8" ratchet to remove Lock Ring.
5. Remove Motor from Housing and
remove Top Rubber Bushing from
inside of Housing.
Installing the motor
Important: Clean and inspect all parts prior to assembly. Replace any valve, exhaust, or vacuum components as neces-
sary. Lubricate the motor o-ring and the sides of the top and bottom rubber bushings with Sioux No. 288 Air Motor Oil.
1. Observe the top pin on the motor
assembly (A), the red alignment mark
on the housing (B), and the alignment
hole inside the housing (C).
2. Align the pin (A) with the
mark (B) and gently insert
the motor into the housing.
3. The edge of the motor’s air inlet (D)
should be tangent with the mark (B).
