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Remove the and plate from the brake housing
from CNH 721F W170C Wheel Loader Front & Rear Axle Bronze Brakes Installation Instructions Manual - PDF
44. Heat the sun gears 120 °C ( 248 °F ) in a bearing oven. W earing heat resistant gloves mittens, reinstall the sun gears the shaft until the bearing is against the carrier gear .
Reinstall the retaining rings the planetary gears. NOTE: adjust bearing inner rings after cooling
45. Heat the tapered roller bearing 120 °C ( 248 °F ) in a bearing oven. W earing heat resistant gloves mittens, reinstall the bearing the planetary gear until contact is made.
46. W the contact face bearing inner ring (A) and profile teeth (B) in the output shaft with anti - corrosive agent.
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