PUMP GP-FUEL TRANSFER 4W5481 - Caterpillar

Illustration 1 g01405020
Use the following procedure to tighten the nut (1) :
Tighten the nut to 290 10 N m (210 7 lb ft).
Tap the nut with a hammer.
Again tighten the nut to 290 10 N m (210 7 lb ft). (2) Lubricate the bore of the O-ring seal with clean engine oil or glycerin.Note: If the slots of the locknut (3) are not in alignment, increase the torque of the locknut. (3) Torque for locknut ... 108 7 N m (80 5 lb ft) (4) Torque for taperlock studs ... 30 5 N m (22 4 lb ft) (A) Distance from the end of the housing to the inner bearing ... 6.6 0.5 mm (0.26 0.02 inch) (5) Lubricate the sealing lip of the lip type seal with the lubricant that is being sealed.