Coat inside of clutch collar (7) with grease.
Long shoulder of clutch collar
must be next to gear.
Install clutch collar (7) on upper shaft
Install gear spacer (8) on upper shaft
Coat two caged rollers (5) with grease.
Install one caged roller (5), bearing
spacer (6) and second caged roller on
upper shaft (1).
Assembled portion of upper shaft
assembly weighs 100 lbs (45 kg).
Use an assistant to prevent
possible injury to personnel.
Coat mating surfaces of small gear (4) and
bearing spacer (3) with grease.
Install toothed shoulder of small
gear onto upper shaft first.
Install small gear (4) and bearing spacer (3)
onto upper shaft (1).