UPPERSTRUCTURE / Control Valve Assemble Left Travel Spool 1. Clamp spool (41) in a vise by using wooden pieces. Install spring seat (42), spring (43), spring seat (42) and bolt (44) to spool (41). 6. Install O-rings (51) (5 used) to housing (1). Install caps (103) and (98) (4 used) to housing (1) with socket bolts (52) (10 used). : 15 N m (1.5 kgf m, 11 lbf ft) Assemble Auxiliary Spool 2. Clamp spool (45) in a vise by using wooden pieces. Install spring seat (42), spring (43), spring seat (42) and bolt (44) to spool (45). : 8 mm : 42 N m (4.3 kgf m, 31 lbf ft) 7. Install the spools (41, 45, 46, 47, 50) assemblies to housing (1). 8. Install O-rings (51) (5 used) onto housing (1).
Install cap (55) to housing (1) with socket bolts (52) (6 used). : 8 mm : 8 mm : 15 N m (1.5 kgf m, 11 lbf ft) Assemble Boom 2 Spool 3. Clamp spool (46) in a vise by using wooden pieces. Install spring seat (42), spring (43), spring seat (42) and bolt (44) to spool (46). : 8 mm : 42 N m (4.3 kgf m, 31 lbf ft) 9. Install O-rings (53, 102) to plugs (54, 101). Install plug (101) to cap (98). : 8 mm : 19 mm : 15 N m (1.5 kgf m, 11 lbf ft) Assemble Arm 1 Spool 4. Clamp spool (47) in a vise by using wooden pieces. Install spring seats (42, 48), springs (43, 49), spring seats (42, 48) and bolt (44) to spool (47). : 20 N m (2.0 kgf m, 15 lbf ft) 10. Install plug (54) to cap (55). : 21 mm :
54 N m (5.5 kgf m, 40 lbf ft) : 8 mm : 15 N m (1.5 kgf m, 11 lbf ft) Assemble Swing Spool 5. Clamp spool (50) in a vise by using wooden pieces. Install spring seat (42), spring (43), spring seat (42) and bolt (44) to spool (50). : 8 mm : 15 N m (1.5 kgf m, 11 lbf ft) W2-5-51