Tightening And Retightening Torque Of Nuts And Bolts - Hitachi ZW180 Operator's Manual

Tightening and Retightening Torque of Nuts and Bolts

Tighten or retighten nuts and bolts used on this machine in
accordance with the torque values shown in the following
table. Check nuts and bolts for looseness and missing daily
before and after operation. If any loose or missing nuts and/
No. Locations
1 Front axle mounting bolt
2 Rear axle support mounting bolt
3 Wheel rim mounting bolt
4 Propeller shaft mounting bolt
5 Propeller shaft support bearing
mounting bolt
6 Transmission mounting bolt:
Bracket
7 Transmission mounting bolt:
Cushion rubber
8 Engine mounting bolt: Bracket
9 Engine mounting bolt: Cushion
rubber
MAINTENANCE
or bolts are found , retighten or supply replacement parts.
The nuts and bolts other than those shown in the table be-
low shall be tightened in accordance with the torque values
shown in the table on page 7-104.
Bolt
Model
Diameter
ZW180 24
ZW220 27
ZW250 30
ZW310 30
ZW180 24
ZW220 24
ZW250 27
ZW310 30
ZW180 24
ZW220 24
ZW250 24
ZW310 24
ZW180
ZW220
12
ZW250
ZW310
ZW180
ZW220
20
ZW250
ZW310
ZW180 16
20
ZW220
12
20
ZW250
12
ZW310 16
ZW180 18
ZW220 18
ZW250 18
ZW310 18
ZW180 12
ZW220 10
ZW250 10
ZW310 14
ZW180
ZW220
18
ZW250
ZW310
7-101
Wrench
Quantity
Size
8 36
8 41
8 46
8 46
8 36
8 36
8 41
8 46
60 36
72 36
80 36
80 36
20 17
2 30
8 24
4 30
8 17
4 30
8 17
8 24
4 27
2 27
2 27
4 27
6 17
12 14
12 14
8 22
2 27
Torque
N•m (kgf•m)
785(80)
1128(115)
1579(161)
1579(161)
890(91)
1128(115)
1128(115)
1579(161)
890(91)
890(91)
890(91)
890(91)
143(15)
206(21)
204(21)
401(41)
81.2(8)
401(41)
81.2(8)
224(23)
315(32)
315(32)
315(32)
315(32)
81.2(8)
46.2(5)
46.2(5)
180(18)
315(32)