13. Appendix
115
Appendix 2. Tightening torque
Hexagon bolts and stud bolts
M 8
M 10
M 12
M 14
M 16
Nm ft-lb.
Nm ft-lb.
Nm ft-lb.
Nm ft-lb.
Nm ft-lb.
bolt quality 8.8
25
18
49
36
86
63
135
100
210
155
bolt quality 10.9
35
26
69
50
120
88
190
140
295
217
Gearbox, axles, wheels
Nm
ft-lb.
hexagon bolts M 10x1 (orbitrol to steering support)
40
29
clamping screws for hydraulic control valves
16
12
axle spindle to transmission case
86
63
axle spindle cover M 10 (planetary gear)
69
50
slotted nut M 45x1.5 on wheel flange
180 + 20
15 ?
spherical bearing M 12
86
63
lock bar M 16
210
155
coupling jaw attachment bar M 14
135
100
wheel fastener, including hub spacer, 24-mm wheel nut
340
250
Engine
Nm
ft-lb.
cylinder head cover
8.5
6
rocker arm adjustment screw
21
16
intake manifold
8.5
6
air intake pipe (TORX)
21
16
exhaust manifold (TORX)
22
16
oil drain plug
55
41
oil sump (cast)
31
22
injection line fastener
30
22
injection valve fastener (TORX)
21
15 ?
plugs and connecting screws for heating hoses
65 ± 5
44 ?