1 - 1
Section 1
General Information
9803/6410
Section 1
1 - 1
Issue 2*
Bolt and Nut Torque Specifications
JS130/JS160 and Variants
Tighten the bolts and nuts according to the table. Before and after daily work, check the bolts and nuts for looseness and
for those missing. Tighten if loose and renew if missing.
Tighten the bolts and nuts after the first 50 hours of the running-in stage and every 250 hours thereafter.
Tightening Torque Table
Note:
Use JCB Threadlocker and Sealer (High Strength) (adhesive) on those marked † and tighten to the torque listed in the
above table.
The tightening torques for the bolts and nuts not listed above are as follows:
JS130/JS160
No
Tightening Point
Bolt Diameter
Wrench
Tightening Torque
mm
Nm
kgf m
lbf ft
1
†
Travel Motor
M16
24
270~310
27.6~31.8
200~230
2
†
Drive Sprocket
M16
24
220~310
27.6~31.8
200~230
3
†
Idler Wheel
M16
24
270~310
27.6~31.8
200~230
4
†
Upper (Carrier) Roller
M16/M20
24/30
270~310/520~608
27.6~31.8/53.2~62.2
200~230/385~450
5
†
Lower (Track) Roller
M16
24
270~310
27.6~31.8
200~230
6
†
Track Guard
M16
24
270~310
27.6~31.8
200~230
7
Shoe Bolt
M16
24
310~360/640~750
32~37/65~76.5
229~266/472~553
8
Counter weight
M27
41
845~980
86~100
622~723
9
†
Turntable Bearing (Undercarriage)
M16/M20
24
280~310/475~550
28.4~31.8/48.4~55.3
205~230/350~400
10
†
Turntable Bearing (Slew Frame)
M16/M20
24
280~310/475~550
28.4~31.8/48.4~55.3
205~230/350~400
11
†
Slew Equipment
M16/M20
24
280~310/475~550
28.4~31.8/48.4~55.3
205~230/350~440
12
†
Engine (Engine Mount)
M16
24
265~310
27~32
195~230
13
†
Engine Bracket
M10
17
65~75
6.5~7.6
47~55
14
Radiator
M12
19
60~70
6.2~7.2
45~52
15
†
Hydraulic Pump
M10
17
65~75
6.5~7.6
47~55
16
†
Hydraulic Oil Tank
M16
24
205~285
21~29
152~210
17
†
Fuel Tank
M16
24
225~285
22.4~29
162~210
18
†
Control Valve
M16
24
270~310
27.6~31.8
200~230
19
†
Rotary Coupling
M12
19
110~125
11.1~13.0
80~94
20
Cab
M16
24
127~137
13~14
94~101
21
Battery
M10
17
20~30
2.1~2.9
15~21
Bolt Diameter (size)
M6
M8
M10
M12
M14
M16
M18
M20
Wrench
mm
10
13
17
19
22
24
27
30
Hex. bolt
Tightening
Nm
6.9
15.7
32.3
58.8
98.0
137.2
196.0
274.4
Torque
kgf m
0.7
1.6
3.2
5.9
9.8
13.7
19.6
27.4
lbf ft
5
12
24
43
72
101
145
202
Wrench
mm
5
6
8
10
12
14
14
17
Hex. socket head
Tightening
Nm
8.8
21.6
42.1
78.4
117.6
176.4
245.0
343.0
bolt
Torque
kgf m
0.88
2.2
4.2
7.8
11.8
17.6
24.5
34.3
lbf ft
6.5
16
31
58
87
130
181
253
*
*
Summary of Contents for JS130
Page 65: ...Section 3 Section 3 9803 6410 Issue 1 9 1 9 1 Routine Maintenance Component Location Diagram...
Page 118: ......
Page 119: ...3 1 Section C Electrics 9803 6410 Section C 3 1 Issue 1 Layout Operator s Cab...
Page 142: ...5 3 Section C Electrics 9803 6410 Section C 5 3 Issue 1 Pump Control FLOW CHART...
Page 207: ......
Page 209: ......
Page 210: ...3 4 Section E Hydraulics 9803 6410 Section E 3 4 Issue 2 Schematics Shuttle Block...
Page 532: ...Contents Page No Technical Data 1 1 i Engine 9803 6410 i Issue 1 Section K Section K...