PISTON GP 2W3313 - Caterpillar

Illustration 1 g00496252
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Illustration 3 g00496321
(1) After installing the spring, the Distance nut must be backed off to the following dimension. ... 1.5 0.8 mm (0.06 0.03 inch) (2) 2Y-6914 Spring Assembled length for installation ... 508.0 mm (20.00 inch) Length after installation ... 514.4 mm (20.25 inch) Force of spring after installation ... 126 kN (28330 lb) Free length ... 635.0 11.2 mm (25.00 0.44 inch) Outside diameter ... 222.3 6.4 mm (8.75 0.25 inch) (3) Torque for fill valve and the relief valve ... 35 7 N m (25 5 lb ft) (4) Torque for bolts ... 55 7 N m (40 5 lb ft) (5) Use the shims on each side of the frame, as required. Dimension (A) that is measured between the frame and the guide plate ... 0.8 0.5 mm (0.03 0.02 inch) (6) End play of shaft ... 0.28 mm to 0.74 mm (0.011 inch to 0.029 inch) Maximum permissible end play ... 1.14 mm (0.045 inch) Maximum permissible bend of shaft ... 0.13 mm (0.005 inch) (7) Clearance between shaft and bearing ... 0.36 mm to 0.46 mm (0.014 inch to 0.018 inch) Maximum permissible clearance ... 1.27 mm (0.050 inch) (8) Use the shims on each side in order to make the idler shaft parallel to the roller shaft. Use the shims in order to keep the clearance that is between the plate and the yoke. ... 0.76 mm to 1.91 mm (0.030 inch to 0.075 inch) (9) Torque for lockpin bolt Torque for bolt ... 55 7 N m (40 5 lb ft) Hit lockpin bolt with a hammer. Torque the bolt again. ... 70 14 N m (50 10 lb ft) (10) Torque for lubrication plug ... 170 20 N m (125 15 lb ft) (11) Diameter of the shaft ... 63.35 0.03 mm (2.494 0.001 inch) (12) The rubber toric seal must be clean and dry and all of the surfaces that contact the seals must be clean and dry at assembly. Apply a thin film of oil to the contacting surfaces of the metal seal rings just before assembly. The seal rings must be assembled square with the bore. The rubber toric seal must not be deformed or twisted. Put lubricant on all other seals at assembly.