Hitachi ZW 180-6 User Manual

MAINTENANCE
7-114
Tightening and Retightening Torque of Nuts and
Bolts
--- every 250 hours (50 hours at first time only)
Check tightness after the first 50 hours then every 2000 hours.
The nuts and bolts other than those shown in the table below
shall be tightened in accordance with the torque values shown
in the table on page 7-114.
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.
Locations
Bolt
Diameter
Quantity
Wrench
Size
Torque
N·m (lbf·ft)
1 Front axle mounting bolt 24 8 36
785±150
(579±11)
2 Rear axle support mounting bolt 24 8 36
890±170
(656±125)
3 Wheel rim mounting bolt 24 60 36 890 (656)
4 Propeller shaft mounting bolt
Axle side 12 12 17 *145 (107)
Transmission side
**1/2-20
UNF-2A
8 3/4 inch *145 (107)
5 Propeller shaft support bearing mounting bolt 20 2 30 206 (152)
6 Transmission mounting bolt: Bracket 20 4 30 *401 (296)
7 Transmission mounting bolt: Cushion rubber 18 2 27 315 (232)
8 Engine mounting bolt: Bracket 12 10 19 *110 (82)
9 Engine mounting bolt: Cushion rubber 18 2 27 315 (232)
10 Aftertreatment device mounting nut (Double) 10 16 17 20 (14.8)
11 Counterweight mounting bolt 30 4 46 1510 (1114)
12 Top center pin upper flange lock 16 7 24 *205 (151)
13 Bottom center pin lock 16 1 24 210 (155)
14 Loader front pin lock
16 9 24 210 (155)
12 4 19 90 (66)
15 Steering cylinder pin lock 12 4 19 90 (66)
16 Radiator frame mounting bolt 16 6 24 *210 (155)
17 Radiator mounting bolt 8 2 12 17.6 (13)
18 Intercooler mounting bolt 8 1 12 17.6 (13)
19 Oil cooler mounting bolt 10 2 17
36.2 (27)
20 Torque converter cooler mounting bolt 10 4 17 36.2 (27)
21 Air conditioner condenser mounting bolt 8 4 13 12.5 (9.2)
22 Air conditioner compressor mounting bolt 8 4
SOCKET
6
24.5to29.4
(18to21.7)
23 Cab cushion rubber mounting bolt 16 4 24 *205 (151)
24 Cutting edge mounting bolt **1" 12 37.47 1068 (788)
25 Wear plate mounting bolt **1" 4 37.47 1068 (788)
*: LOCTITE #263 is used.
**: The unit of figure is "inch".

Hitachi ZW 180-6 Specifications

General

Brand	Hitachi
Model	ZW 180-6
Category	Front End Loaders
Language	English