jcb JS200 Service Manual page 4

Section 1
1 - 1
Bolt and Nut Torque Specifications
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 replace 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
*
No Tightening Point
1† Travel Motor
2† Drive Sprocket
3† Idler Wheel
4† Upper (Carrier) Roller
5† Lower (Track) Roller
6† Track Guard
7 Shoe Bolt
8 Counter weight
9† Turntable Bearing (Undercarriage)
10† Turntable Bearing (Slew Frame)
11† Slew Equipment
12† Engine (Engine Mount)
13† Engine Bracket
14 Radiator
15† Hydraulic Pump
16† Hydraulic Oil Tank
17† Fuel Tank
18† Control Valve
19† Rotary Coupling
20 Cab
21 Battery
Note: Use Loctite 262 (adhesive) on those marked
The tightening torque for the bolts and nuts not listed above are as follows:
Bolt Diameter (size)
Wrench
Hex. bolt Tightening
Torque
Wrench
Hex. socket head Tightening
bolt Torque
9803/6400
General Information
Bolt Diameter Wrench
M16 24mm
M16 24mm
M16 24mm
M20 30mm
M18 27mm
M18 27mm
M16 24mm
M27/M30 41/46mm
M20/M24 30/36mm
M20/M24 30/36mm
M20/M24 30/36mm
M16 24mm
M10 17mm
M16 24mm
M10 17mm
M16 24mm
M16 24mm
M16 24mm
M12 19mm
M16 24mm
M10 17mm
and tighten to the torque listed in the above table.
†
M6 M8
mm 10 13
Nm 6.9 15.7
kgf m 0.7 1.6
lb ft 5 12
mm 5 6
Nm 8.8 21.6
kgf m 0.8 2.2
lb ft 6.5 16
JS200/210/220/240/260
Tighten Torque
Nm
270~310 27.2~31.8
270~310 27.2~31.8
270~310 27.2~31.8
520~608 53.2~62.2
370~430 37.8~44.1
380~440 38.7~45.2
380~450 38.7~46.0
1058~1235/1335~1545 108~126/136~158
475~550/780~910 48.4~55.3/80~93
475~550/780~910 48.4~55.3/80~93
525~605/785~910 53.1~62/80~93
265~310 27.0~32
65~75 6.6~7.6
150~175
65~75 6.6~7.6
235~285 23.7~29.5
255~285 25.7~29.5
270~310 27.6~31.8
110~125 11.1~13
127~135
20~30 2.1~2.9
M10 M12 M14
17 19 22
32.3 58.8 98.0
3.2 5.9 9.8
24 43 72
8 10 12
42.1 78.4 117.6
4.2 7.8 11.8
31 58 87
Section 1
kgf m lbf ft
200~230
200~230
200~230
385~450
275~315
280~325
275~330
780~910/985~1140
350~400/575~670
350~400/575~670
390~440/580~670
195~230
47~55
15~18 108~130
47~55
175~210
185~210
200~230
80~94
13~14 94~101
15~21
M16 M18
24 27
137.2 196.0
13.7 19.6
101 145
14 14
176.4 245.0
17.6 24.5
130 181
1 - 1
M20
30
274.4
27.4
202
17
343.0
34.3
253
Issue 3*