UPPERSTRUCTURE / Pump Device 6. Remove bolt (9). Remove nut (12), washer (11) and clamp (10) from pipes (5, 6). : 13 mm 7. Remove pipes (3) (3 used), (5, 6, 7) from main pumps (28) (2 used). : 19 mm, 22 mm 8. Remove adapter (18) from pilot pump (22). : 27 mm 9. Remove socket bolts (19) (2 used), spring washers (20) and washer (21). Remove pilot pump (22) from flange (1). : 8 mm 10. Remove bolts (13) (4 used) and spring washers (14) (4 used). : 24 mm CAUTION: Main pump weight: 67 kg (148 lb) 11. Install eyebolt (M12, Pitch 1.75 mm) to main pump (28). Hoist and remove main pump (28). 12. Remove the other main pump in the same procedures as steps 10 and 11. 13.
Remove socket bolts (26) (2 used). Remove pipe (25) and packing (24) from flange (1). : 6 mm W2-4-11