HUB 2W3816 - Caterpillar

Illustration 1 g02542198
Unit injector hydraulic pump
Illustration 2 g02537257
View of area A
Table 1
Specification for 222-5900 Unit Injection Hydraulic Pump and Mounting Gp
Item Qty Part Specification Description
1 4 228-5897 Bolt Torque to 33 5 N m (292 44 lb in)
2 3 313-4620 Screw Torque to 10 1 N m (89 9 lb in)
3 1 8C-6711 Retainer Nut Torque to 5.5 0.5 N m (49 4 lb in)
4 1 5C-2890 Nut Torque to 8 1 N m (71 9 lb in)
5 1 Fitting for the inlet port Torque to 23 2 N m (204 18 lb in)
6 1 Fitting for the outlet port Torque to 23 2 N m (204 18 lb in)
7 1 223-9848 Nut Use any of the following procedure to tighten the nut:
Procedure 1:
1. Torque to 50 5 N m (37 4 lb ft)
2. Turn to an additional 33.5 2.0 degrees
3. Final minimum torque 65 N m (48 lb ft)
Or
Procedure 2:
Toque to 80 4 N m (59 3 lb ft)
8 1 1N-8062 Needle Bearing As Install needle bearing assembly so that the end of the bearing with the identification number is oriented, as shown in Illustration 2.
Installation Depth (B) is 28.9 0.2 mm (1.14 0.01 inch)
9 1 153-7036 Spool Install the spool until the spool is fully seated against the shoulder of the block.