422F2, 427F2, 428F2, 432F2, 434F2 and 444F2 Backhoe Loaders Hydraulic and Steering System Caterpillar


Piston Pump (Work Tool and Steering)

Usage:

426 F2 DJ4


Illustration 1g03775929

Table 1
Specification for 307-3063 Piston Pump Gp 
Item  Qty  Part  Specification Description 
198-5351 Plug  Torque to 190 ± 10 N·m (140 ± 7 lb ft)
9S-8006 O-Ring Plug  Torque to 127 ± 10 N·m (94 ± 7 lb ft)
168-2197 Spring  Length under test force is 43.5 mm (1.71 inch).
Test force is 161 ± 10 N (36 ± 2 lb).
Free length after test is 65 mm (2.6 inch)
8T-2503 Bolt  Torque to 205 ± 10 N·m (151 ± 7 lb ft)
6R-7943 Screw  Torque to 5 ± 1 N·m (44 ± 9 lb in)
168-3381 Spring  Length under test force is 38 mm (1.5 inch).
Test force is 704 ± 29 N (158 ± 7 lb).
Free length after test is 66.5 mm (2.62 inch)
168-2203 Shaft Shim  Grind to required thickness with face parallel within 0.00 to 0.05 mm (0.000 to 0.002 inch) to achieve dimension (B).
Thickness is 3.0 mm (0.12 inch)

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