UPPERSTRUCTURE / Swing Device IMPORTANT: When replacing the inner parts in piston (13), replace them as an assembly. Install so that the ends of piston (13) and casing (1) may be in the same position. 13. Install ball (15), spring (14) and piston (13) to casing (1). IMPORTANT: Tap the type indicated surface on bearing (22) by using a plastic hammer. 14. Install the outer race of bearing (22) to valve casing (28) by using a plastic hammer. IMPORTANT: Install valve plate (21) with the notch on port facing to the rotor (9) side. 15. Install O-ring (23) to valve casing (28). Apply grease to valve plate (21). Install valve plate (21) to valve casing (28). 16.
Apply grease to the needle part of bearing (22). IMPORTANT: Check that the clearance between valve casing (28) and casing (1) is equal to that before disassembling. If the clearance is larger than that before disassembling, repeat the installation from step 5. 17. Align the matching marks and install valve casing (28) to casing (1). 18. Install valve casing (28) to casing (1) with socket bolts (29) (4 used). 19. Install poppets (27) (2 used) and springs (26) (2 used) to valve casing (28). Install O-ring (25). Install plug (24) to valve casing (28). : 14 mm : 330 N m (34 kgf m, 245 lbf ft) 20. Install relief valves (32) (2 used) to valve casing (28). : 41 mm : 175 N m (18 kgf m, 130 lbf ft) :
17 mm : 430 N m (44 kgf m, 320 lbf ft) W2-6-31