7-101
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/
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.
No. Locations Model
Bolt
Diameter
Quantity
Wrench
Size
Torque
N•m (kgf•m)
1 Front axle mounting bolt
ZW180 24 8 36 785(80)
ZW220 27 8 41 1128(115)
ZW250 30 8 46 1579(161)
ZW310 30 8 46 1579(161)
2 Rear axle support mounting bolt
ZW180 24 8 36 890(91)
ZW220 24 8 36 1128(115)
ZW250 27 8 41 1128(115)
ZW310 30 8 46 1579(161)
3 Wheel rim mounting bolt
ZW180 24 60 36 890(91)
ZW220 24 72 36 890(91)
ZW250 24 80 36 890(91)
ZW310 24 80 36 890(91)
4 Propeller shaft mounting bolt ZW180
ZW220
ZW250
ZW310
12 20 17 143(15)
5 Propeller shaft support bearing
mounting bolt
ZW180
ZW220
ZW250
ZW310
20 2 30 206(21)
6 Transmission mounting bolt:
Bracket
ZW180 16 8 24 204(21)
ZW220
20 4 30 401(41)
12 8 17 81.2(8)
ZW250
20 4 30 401(41)
12 8 17 81.2(8)
ZW310 16 8 24 224(23)
7 Transmission mounting bolt:
Cushion rubber
ZW180 18 4 27 315(32)
ZW220 18 2 27 315(32)
ZW250 18 2 27 315(32)
ZW310 18 4 27 315(32)
8 Engine mounting bolt: Bracket
ZW180 12 6 17 81.2(8)
ZW220 10 12 14 46.2(5)
ZW250 10 12 14 46.2(5)
ZW310 14 8 22 180(18)
9 Engine mounting bolt: Cushion
rubber
ZW180
ZW220
ZW250
ZW310
18 2 27 315(32)
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