559C and 579C Knuckleboom Loaders Caterpillar


Boom Cylinder

Usage:

559C KAS



Illustration 1g03327986

Table 1
Specification for 359-1015 Boom Cylinder Gp    
Item     Qty     Part     Specification Description    
1     1     380-9877 Locknut     Torque to
2983 ± 300 N·m (2200 ± 220 lb ft).    
2     12     8T-2393 Bolts     Torque to
136 ± 13 N·m (100 ± 10 lb ft).
Tighten to 1/3 torque specified. Then tighten to 1/3 torque specified. Then to full specified torque. Check that all bolt torques a second time in the illustrated pattern.    
B     -     -     Maximum stroke is
1330.45 mm (52.38 inch).    
C     -     381-0380 Rod As     Diameter is
80 mm (3.15 inch).    
D     -     390-4005 Piston     Bore is
139.7 mm (5.5 inch).    
E     -     -    
1778.11 ± 1.5 mm (70. ± 0.06 inch) Retracted.

3105.15 ± 3 mm (122.5 ± 0.12 inch) Extended.    

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