Tightening And Retightening Torque Of Nuts And Bolts - Hitachi ZW140-6 Operator's Manual

Tightening and Retightening Torque of Nuts and
Bolts
--- every 2000 hours (50 hours at first time only)
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. 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 7-110.
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 HST motor mounting bolt
9 HST pump mounting bolt
10 Engine mounting bolt: Bracket
11 Engine mounting bolt: Cushion rubber
12 Aftertreatment device mounting nut (Double)
13 Counterweight mounting bolt
14 Top center pin upper flange lock
15 Bottom center pin lock
16 Loader front pin lock
17 Steering cylinder pin lock
18 Radiator frame mounting bolt
19 Radiator mounting bolt
20 Intercooler mounting bolt
21 Oil cooler mounting bolt
22 Air conditioner condenser mounting bolt
23 Air conditioner compressor mounting bolt
24 Cab cushion rubber mounting bolt
25 Bucket tooth mounting bolt (Optional)
26 Cutting edge mounting bolt
f
NOTE: * Apply "LOCTITE® 262" to the threads.
Figures with ** mark are shown in Inch.
MAINTENANCE
Bolt Diameter
24
Front 20
Rear 24
24
10
16
16
18
16
16
Front 12
Rear 12
16
10
30
16
16
ZW140-6 16
ZW150-6 12
12
ZW150PL-6
12
16
12
16
8
8
10
8
8
16
**1''
**1''
7-110
Quantity Wrench Size
8 36
4 30
4 36
52 36
20 14
2 24
8 24
4 27
8 24
6 24
12 19
6 19
4 24
16 17
4 46
3 24
1 24
3 24
10 17
6 17
20 19
10 24
4 19
6 24
2 13
1 13
4 17
4 13
4 6
4 24
14 11/2
7 11/2
Torque
N·m (kgf·m, lbf·ft)
785
(80±15, 580±110)
550
(55±11, 410±81)
950
(97±17, 700±126)
890 (91, 655)
*74±3.4 (7.5, 54)
210 (21, 155)
*210 (21, 155)
315 (32, 230)
210 (21, 155)
210 (21, 155)
*90 (9, 66)
*90 (9, 66)
210 (21, 155)
50 (9, 66)
1510 (154, 1115)
*210 (21, 155)
210 (21, 155)
210 (21, 155)
90 (9, 66)
90 (9, 66)
90 (9, 66)
210 (21, 155)
90 (9, 66)
*154 (16, 115)
17.6 (1.8, 13)
17.6 (1.8, 13)
36.2 (4, 27)
12.5 (1, 9)
24.5 to 29.4
(2.5 to 3, 18 to 22)
*205 (21, 151)
1068 (109, 790)
1068 (109, 790)