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0712-0299ZX60USB-3 - Flannery Plant Hire

0712-0299ZX60USB-3 - Flannery Plant Hire

MAINTENANCE No.

MAINTENANCE No. Descriptions Bolt Dia. mm Q’ty Wrench Size mm N⋅m Torque (kgf⋅m) (lbf⋅ft) 11. Control valve mounting bolt ★ 10 4 17 50 (5) (37) 12. Control valve base mounting bolt 10 4 17 50 (5) (37) 13. Swing device mounting bolt ★ 16 8 24 270 (27) (200) 14. Battery mounting nut 6 3 10 5 (0.5) (4) 15. Cab mounting bolt 10 12 7 6 17 19 50 90 (5) (9) (37) (66) 16. Cab cushion rubber (rear)mounting bolt ★ 16 2 24 210 (21) (160) 17. Swing bearing mounting bolt Upperstructure Undercarriage 14 14 33 24 22 22 180 180 (18) (18) (130) (130) 18. Travel device mounting bolt ★ 14 24 22 220 (22) (160) 19. Sprocket mounting bolt ★ 14 24 22 220 (22) (160) 20. Upper roller mounting bolt ★ 16 2 24 210 (21) (160) 21. Lower roller mounting bolt ★ 20 18 30 620 (62) (460) 22. Track shoe bolt (Optional) 12 312 19 165 (16.5) (120) 6 - 10 5 (0.5) (4) 23. Cover mounting bolt 8 - 13 10 (1) (7) 10 - 17 50 (5) (37) 24. Counterweight mounting bolt 24 3 36 930 (93) (690) 25. Additional Counterweight mounting bolt (opt.) 20 2 30 540 (54) (400) 10 - 17 50 (5) (37) 12 - 19 90 (9) (66) 26. Front pin lock plate bolts ★ 14 - 22 140 (14) (100) 16 - 24 210 (21) (160) 18 - 27 400 (40) (300) 27. Track roller guard mounting bolt (Optional) ★ 14 12 22 140 (14) (100) 28. Tilt mechanism floor connection pins ★ 10 1 17 50 (5) (37) 29. Tilt mechanism support-holding bolts ★ 10 2 17 50 (5) (37) ★: When installing new bolts and/or nuts and retightening them, apply LOCKTITE to the screw threads. IMPORTANT: • Before installing, clean the bolt and nut threads to remove soil, rust, and/or dust. • When installing new bolts and/or nuts, apply lubricant (e.g. white zinc B solved into spindle oil) to the screw threads. • Tighten bolts and nuts to the specifications. If tightened with excessively high or low torque, missing or breakage of bolts and/or nut may result. • In case the counterweight mounting bolts became loose, consult your nearest Hitachi dealer for retightening. 7-72

Tightening Torque Chart Bolt Dia. Wrench Size Hexagon Wrench Size MAINTENANCE M552-07-091 7-73 Socket Bolt M552-07-090 M157-07-225 N�m (kgf�m) (lbf�ft) N�m (kgf�m) (lbf�ft) N�m (kgf�m) (lbf�ft) M8 13 6 30 (3.0) (22) 20 (2.0) (15) 10 (1.0) (7.4) M10 17 8 65 (6.5) (48) 50 (5.0) (37) 20 (2.0) (15) M12 19 10 110 (11) (81) 90 (9) (66) 35 (3.5) (26) M14 22 12 180 (18) (135) 140 (14) (103) 55 (5.5) (41) M16 24 14 270 (27) (200) 210 (21) (155) 80 (8.0) (59) M18 27 14 400 (40) (295) 300 (30) (220) 120 (12) (89) M20 30 17 550 (55) (410) 400 (40) (295) 170 (17) (125) M22 32 17 750 (75) (550) 550 (55) (410) 220 (22) (160) M24 36 19 950 (95) (700) 700 (70) (520) 280 (28) (205) M27 41 19 1400 (140) (1030) 1050 (105) (770) 400 (40) (295) M30 46 22 1950 (195) (1440) 1450 (145) (1070) 550 (55) (410) M33 50 24 2600 (260) (1920) 1950 (195) (1440) 750 (75) (550) M36 55 27 3200 (320) (2360) 2450 (245) (1810) 950 (95) (700) NOTE: Tightening torque required is shown in N�m. For example, when tightening a bolt or nut with a wrench of 1 m length, turning the end of it with a force of 120 N, the torque produced will be: 1 m ×120 N = 120 N�m To produce the same torque with a wrench of 0.25 m: 0.25 m × N = 120 N�m Necessary force will be: 120 N�m ÷ 0.25 m = 480 N

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