EXTREME CARE SHOULD BE USED TO KEEP THESE
PARTS FREE FROM DIRT, DUST, AND FINGER PRINTS.
3. Lay the stator on the bench with the side marked "FRONT" up and insert one snap ring in the lower groove.
Next, lay stator thrust washer on top with counter-bore side up. Install the outer race and sprag which
must have either the flange edge or that marked "FRONT" facing up. The inner race is set in this with the
splined end up. The second stator thrust washer with counter-bore down, and the snap ring complete the
4. Then replace the turbine assembly, resting the turbine hub on the stator thrust washer. Place the front
cover O-Ring gasket around cover just inside the bolt holes and lay the front cover assembly on the flange
of the impeller assembly and install cover bolts and nuts. Tighten in sequence to avoid distortion. Torque
to 22 ft-lbs. Install front hub seal ring and protect from damage.
B. Disassembly Shuttle Assembly
1. The shuttle assembly consists of three major components: a hydraulic charge pump, a control valve which
contains all pressure regulators and clutch control valve, and the forward and reverse clutches. A failure of
any one component can cause extensive damage to all. If any one component has failed, it is necessary
to completely disassemble, clean and inspect the entire unit.
2. In addition to the ordinary line of hand tools, the following items will be required when overhauling the
Model 12000 Revers-O-Matic Drive:
a. Suitable hoist.
b. Small arbor press.
c. Double solvent cleaning tank, one for preliminary cleaning and the other for final cleaning of parts.
d. Snap ring pliers.
e. Air pressure hose with squirt nozzle.
f. Oil can be filled with automatic transmission fluid MIL-L-2104.
g. A closely graduated scale rule or a depth mic to check end clearance in final assembly.