Ammann AV 70 X - Check the Tightening of Bolted Connections; Machine Cleaning

143AV 70 X
MAINTENANCE MANUAL
3.6.36. Machine cleaning
When the work is completed clean the Machine to get rid of •
major impurities.
Carry out overall cleaning on regular basis, at least once per •
week. Total cleaning must be done daily if working on cohe-
sive soils, cement or lime stabilizations.
Disconnect the disconnector.
Carry out the work with the engine
stopped.
NEVER use aggressive or easily ignitable
cleaners (e.g. petrol or easily or ash
fuels).
Before pressure cleaning with water or
steam, please blind all the ports into
which a cleaner might penetrate (e.g.
engine inlet port). With the Machine
cleaned remove these blinds.
Do NOT expose electric parts or insula-
tion material to direct water or steam
streams. Always cover these materials
(alternator’s inner space, etc.).
Clean the Machine at a workplace
equipped with cleaner collection sys-
tem so to avoid soil or water recourse
contaminations!
NEVER use banned cleaners!
3.6.37. Check the tightening of bolted
connections
Conrm regularly that no loosening of bolted connections •
has occurred.
Use the torque spanners to do the tightening.•
TIGHTENING MOMENT
For the screws
8,8 (8G)
For the screws
10,9 (10K)
Worm Nm lb-ft Nm lb-ft
M6 10 7,4 14 10,3
M8 24 25,0 34 25,0
M8x1 19 14,0 27 19,9
M10 48 35,4 67 49,4
M10x1,25 38 28,0 54 39,8
M12 83 61,2 117 86,2
M12x1,25 66 48,7 94 69,3
M14 132 97,3 185 136,4
M14x1,5 106 78,2 148 109,1
M16 200 147,5 285 210,2
M16x1,5 160 118,0 228 168,1
M18 275 202,8 390 287,6
M18x1,5 220 162,2 312 230,1
M20 390 287,6 550 405,6
M20x1,5 312 230,1 440 324,5
M22 530 390,9 745 549,4
M22x1,5 425 313,4 590 435,1
M24 675 497,8 950 700,6
M24x2 540 398,2 760 560,5
M27 995 733,8 1400 1032,5
M27x2 795 586,3 1120 826,0
M30 1350 995,7 1900 1401,3
M30x2 1080 796,5 1520 1121,0
The gures given in the chart are torques at dry thread (with
coecient of friction = 0,14). These gures do not apply to a lu-
bricated thread.