TM 9-2320-289-207-8.MASTER CYLINDER AND POWER BOOSTER REPLACEMENT (Con’t).NOTEOnly M1009 uses pedal rod boot (8), retain for installation.3.Remove 2 locknuts (9) and pedal rod boot (8), Remove 4 locknuts (6), and remove powerbooster (5) and seal (10). Inspect seal for damage and discard as required, Discard locknuts.b.INSTALLATION NOTEWhen replacing power booster (5) assembly, ensure that proper powerbooster is used. M1009 housing is machined flat or has 40°-50° bevel atpushrod end and has a broadcast code sticker with “FY” or “KA” on it,All other models are 20°-30° beveled and have a broadcast code stickerwith “CM” on it.If installing master cylinder (4), perform steps 2 and 3.Only M1009 uses pedal rod boot (8).1.Install seal (10) on power booster (5) studs. Install power booster on engine compartment studs(7). Install 4 new locknuts (6) on engine compartment studs. Install pedal rod boot (8) and 2 newlocknuts (9) on power booster studs. Tighten locknuts to 25 Ib.-ft. (34 N•m).TA496727-22Change 2
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