259B3 Compact Track Loader, 247B3 and 257B Series 3 Multi Terrain Loaders and 216B Series 3, 226B3, 236B3, 242B Series 3 and 252B Series 3 Skid Steer Loaders Caterpillar


Pump Mounting (Hydrostatic)

Usage:

226B3 AS2



Illustration 1g03746558

Typical example

Table 1
Specification for 261-5660 Hydrostatic Pump and Mounting Gp, and 218-5719 Hydrostatic Pump and Mounting Gp    
Item     Qty     Part     Specification Description    
1     2     252-9167 Bolt     Slide coupling hub assembly (2) over pump shaft until hub assembly (2) stops.
Tighten the bolts (1) in sequence to
33 ± 7 N·m (292 ± 62 lb in) and repeat the tightening sequence.    
2     1     263-4997 Coupling Hub As    
A     -     -     Distance between front of the coupling hub assembly (2) to the face of the piston pump is
82.0 mm (3.23 inch).    



Illustration 2g03746576

Piston pump group

Typical example

Table 2
Item     Qty     Part     Specification Description    
3     2     9S-8002 O-Ring Plug     Torque to
15.00 ± 0.75 N·m (132.76 ± 6.64 lb in).    
4     2     9X-6606 Hex Nut     Torque to
30.0 ± 1.5 N·m (265.5 ± 13.3 lb in).    
5     1     -     Torque to
50.0 ± 2.5 N·m (36.9 ± 1.8 lb ft).    
6     8     8T-0267 Bolt     Torque to
10.40 ± 0.52 N·m (92.05 ± 4.60 lb in).    
7     2     9T-4817 Nut     Torque to
22.0 ± 1.1 N·m (194.7 ± 9.7 lb in).    
8     1     204-1459 Relief Valve Gp     Torque to
70.0 ± 3.5 N·m (51.6 ± 2.6 lb ft).    
9     4     386-6601 Relief Valve Gp     Torque to
250 ± 10 N·m (184 ± 7 lb ft).    
10     8     8T-0273 Bolt     Torque to
130 ± 5 N·m (96 ± 4 lb ft).    

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