Cleaning, maintenance and repairs
BAG0175.3 07.18
12.6 Check the coupling device
DANGER!
Replace a damaged drawbar with a new one immediately -
for road traffic safety reasons.
Repairs may only be carried out by the manufacturer
factory.
For safety reasons, it is forbidden to weld on and drill holes
in the drawbar.
Check the coupling device (drawbar, lower link traverse, ball coupling,
drawbar eye) for the following:
• damage, deformation, cracks
• wear
• tight fit of the fastening bolts
Coupling device Wear dimension Fixing bolts Number
Tightening
torque
Lower link trav-
erse
Cat. 3: 34.5 mm
Cat. 4: 48.0 mm
Cat. 5: 56.0 mm
M20 8.8 8 410 Nm
Ball coupling
K80 (LI009) 82 mm M16 10.9 8 300 Nm
K80 (LI040) 82 mm M20 10.9 8 560 Nm
K80 (LI015) 82 mm M20 10.9 12 560 Nm
Drawbar eye
D35 (LI038) 36.5 mm M16 12.9 6 340 Nm
D40 (LI017) 41.5 mm M16 10.9 6 300 Nm
D40 (LI006) 42.5 mm M20 8.8 8 395 Nm
D46(LI034) 48 mm M20 10.9 12 550 Nm
D50 (LI037) 51.5 mm M16 12.9 4 340 Nm
D50 (LI010) 51.5 mm M16 10.9 8 300 Nm
D50 (LI012) 51.5 mm M20 10.9 4 540 Nm
D50 (LI011) 51.5 mm M20 8.8 8 410 Nm
D50 (LI030) 52.5 mm M20 8.8 8 395 Nm
D51 (LI039) 53 mm M20 10.9 12 600 Nm
D58 (LI031) 60 mm M20 10.9 12 550 Nm
D62 (LI007) 63.5 mm M20 10.9 8 590 Nm
D79 (LI021) 81 mm M20 10.9 12 550 Nm