GENERAL / Tightening TIGHTENING TORQUE SPECIFICATIONS (ZX240-3 Class, ZX270-3 class) No.
Bolt Dia
Descriptions
mm
8 9
Engine cushion rubber mounting bolt and nut (Pump side) Engine cushion rubber mounting bolt and nut (Fan Side) Engine bracket mounting bolt (Pump side) Engine bracket mounting bolt (Fan side) Hydraulic oil tank mounting bolt Fuel tank mounting bolt Radiator mounting bolt (Upper Side) Radiator mounting bolt (Lower Side) Pump mounting bolt Control valve mounting bolt Control valve bracket mounting bolt Swing device mounting bolt Swing motor mounting bolt
10
ORS fittings for hydraulic hoses and piping
11 12
Hycolin tube mounting nut Battery mounting nut Cab mounting nut Cab mounting anchor bolt Cab cushion rubber mounting bolt
1
2 3 4 5 6 7
13
14
ZX240-3 class ZX270-3 class ZX240-3 class ZX270-3 class ZX240-3 class ZX270-3 class ZX240-3 class ZX270-3 class
-
10 16 22 12 6 8 10
Cover mounting bolt Flexible master coupling of piping
15
-
Jubilee clamp of low pressure piping T-bolt clamp of low pressure piping
16
17
18
19
18 18 14 18 16 12 10 12 18 20 16 16 10 16 16 22 12
(Upperstructure) (Undercarriage) ZX240-3 class Travel device mounting bolt ZX270-3 class Travel reduction device cover mounting bolt ZX240-3 class Sprocket mounting bolt ZX270-3 class ZX240-3 class Upper roller mounting bolt ZX270-3 class ZAXIS240-3, 250H-3, 250K-3 Lower roller mounting ZAXIS240LC-3, 250LCH-3, 250LCK-3 bolt ZAXIS270-3 ZAXIS270LC-3 Swing bearing mounting bolt
W1-2-3
22 22 20 20 14 20 20 16 18 18 18 22 22
Wrench Torque Size Nm (kgf m) (mm) 4 27 400 (40) 2 27 400 (40) 4 22 180 (18) 2 27 400 (40) 8 24 270 (27) 12 19 110 (11) 8 17 65 (6.5) 6 19 110 (11) 4 27 400 (40) 4 30 550 (55) 4 24 210 (21) 3 24 270 (27) 8 17 65 (6.5) 4 24 210 (21) 4 24 270 (27) 14 32 650 (65) 8 10 90 (9) 17 25 (2.5) 19 30 (3) 22 40 (4) 27 95 (95) 32 140 (14) 36 180 (18) 41 210 (21) 17 35 (3.5) 4 17 25 (2.5) 4 24 210 (21) 2 32 550 (55) 8 19 110 (11) 10 10 (1) 13 10 (1) 17 50 (5) 13 10.3 to 12.4 (1.05 to 1.26) 4 pair 11 6 (0.6) 9 7 6 (0.6) 4 8 6 (0.6) 9 10 6 (0.6) 35 32 650 (65) 36 32 650 (65) 32 30 630 (63) 40 30 630 (63) 12 22 180 (18) 40 30 550 (55) 48 30 550 (55) 16 24 270 (27) 16 27 460 (46) 64 27 460 (46) 72 27 460 (46) 56 32 840 (84) 64 32 840 (84) QÂ’ty