Turbo-action 22997 (PRN21) / 22998 (PRN12) Powerglide Pro Brake Bedienungsanleitung PDF herunterladen (Seite 2)

Part #22997 & #22998 2 2/90,4/99

STEP #9: Place E-Clip and Detent Bracket on new valve body.

STEP #10: Remove Manual Slide Valve from old valve body.

STEP #11: Install Manual Slide Valve into new valve body.

Steps #12 thru #20 should be done for best results.

STEP #12: Remove front pump assembly.

STEP #13: Remove front drum assembly.

STEP #14: Remove planetary assembly.

STEP #15: Remove rear clutches.

STEP #16: Remove rear piston.

STEP #17: The back of the case will have a small hole in it. Enlarge to 1/4”.

STEP #18: Rear piston - drill a 1/16” bleed hole near outer edge of piston.

STEP #19: Reinstall rear piston with bleed hole towards top of case and set rear clutch clearance to

0.080-0.100 using five clutches. It will most likely be necessary to switch around different

thickness steels or machine piston for proper clearance.

STEP #20: Reassemble rest of transmission to stock specifications. Suggest a #22043 Direct Clutch

Steel Hub for added dependability.

STEP #21: Installing valve body should be done very carefully.

STEP #22: It may be necessary to remove special modulator valve and spring from valve body to install

valve body in the case.

STEP #23: Being very careful, place new valve body into transmission, guiding the Servo Tube, the

Manual Valve Body and the Detent Spring Bracket into place. Sometimes it may be

necessary to tap on Servo Tube to get into hole in case. Also be careful not to damage

gasket. (See Fig. #2 & #3)

STEP #24: Start six bolts in valve body. Be sure Servo Tube, Manual Valve and Detent Spring Bracket

are properly in place. (See Fig. #2)

STEP #25: Tighten six bolts to 8-10 ft./lbs.

1/16” hole to be drilled.

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Turbo-action 22997 (PRN21) / 22998 (PRN12) Powerglide Pro Brake Bedienungsanleitung Seite 2