Case CX490C, Service Manual

Page: 18 / 61

INTRODUCTION
Torque - Special torque setting
Code
Retightening location
Nominal bolt
diameter
Wrench
Tightening torque
1* Travel motor M24 36 mm 900 – 1051 N·m ( 664 – 775 lb ft )
2*
Drive sprocket
M24 36 mm
900 – 1051 N·m ( 664 – 775 lb ft )
3*
Take-up roller
M16 24 mm
267 – 312 N·m ( 196.93 – 230.12 lb ft )
4* Upper roller M20 30 mm 521 – 608 N·m ( 384.27 – 448.44 lb ft )
5* Lower roller M24 36 mm 902 – 1049 N·m ( 665.28 – 773.70 lb ft )
6*
Track guard
M24 36 mm
902 – 1049 N·m ( 665.28 – 773.70 lb ft )
7 Shoe M24 36 mm 1236 – 1510 N·m ( 911.63 – 1113.72 lb ft )
8 Counterweight M33 50 mm 1862 – 2058 N·m ( 1373.34 – 1517.90 lb ft )
9*
Turntable bearing M24 36 mm 952 – 1050 N·m ( 702.16 – 774.44 lb ft )
10*
Swing unit
M24 36 mm
900 – 1050 N·m ( 663.81 – 774.44 lb ft )
11* Mount M27 41 mm 843.4 – 980.7 N·m ( 622 – 723 lb ft )
12* Front bracket M10 17 mm 63.8 – 73.6 N·m ( 47 – 54 lb ft )
13*
Engine
Rear bracket M16 24 mm
245.2 – 274.6 N·m ( 181 – 203 lb ft )
14* Radiator M16 24 mm 147.2 – 176.6 N·m ( 109 – 130 lb ft )
15* Flange M12 19 mm 88 – 108 N·m ( 65 – 80 lb ft )
16*
Hydraulic
pump
Pump
M20
17 mm
hexagon
socket
head
367 – 496 N·m ( 270.69 – 365.83 lb ft )
17* Hydraulic tank M16 24 mm 225.6 – 264.8 N·m ( 166 – 195 lb ft )
18*
Fuel tank M16 24 mm 232.4 – 276 N·m ( 171 – 204 lb ft )
19* Control valve M20 30 mm
333 – 392 N·m ( 245.61 – 289.12 lb ft )
20* Lock bar M16 24 mm 267 – 312 N·m ( 196.93 – 230.12 lb ft )
21*
Center joint
Joint M12 19 mm 109 – 127 N·m ( 80.39 – 93.67 lb ft )
22 Cab M16 24 mm
149 – 173 N·m ( 109.90 – 127.60 lb ft )
23
Battery
M10 17 mm 19.6 – 29.4 N·m ( 14.459 – 21.688 lb ft )
NOTE: Make sure to apply L
OCTITE
® 262™ or equivalent to the locations with the * mark, and tighten according to
the specified torque.
Tighten the bolts and nuts for which the values are not specified in the table above as follows.
Nominal bolt diameter (Size)
M6 M8 M10 M12 M14 M16 M18 M20
Wrench 10 mm 13 mm 17 mm 19 mm 22 mm 24 mm 27 mm 30 mm
Hexagon bolt
Tightening
torque
6.9 N·m
19.6 N·
m
39.2 N·
m
58.8 N·
m
98.1 N·
m
156.9 N·
m
196.1
N·m
294.2 N·
m
Wrench 5 mm 6 mm 8 mm 10 mm 12 mm 14 mm 14 mm 17 mm
Hexagon socket
head bolt
Tightening
torque
8.8 N·m
21.6 N·
m
42.1 N·
m
78.5 N·
m
117.7 N·
m
176.5 N·
m
245.2
N·m
343.2 N·
m
48098399 20/01/2017
11