Safety Instructions; Technical Data - AL-KO R4 Manual Del Usuario

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INSTALLATION
For drawbar:
Type R4, models A1, A3, A4
Bolting the drawbar to the trestle and
clamping bracket
Drawbar connection profile (a)
Fit the clamping bracket with four M12 he-
xagon bolts.
Drawbar connection profile (b)
Fit the drawbar using an M12 hexagon
bolt.
Typ R16 (70 x 70) mount with spacer
bush.
Bolting the drawbar to the trestle and
clamping bracket
Attach the clamping bracket to the frame (front
edge of the assembly) using two M12 bolts.
Assembly procedure is the same for
trestle a and b.
CAUTION!
Observe the length ratio (L1 : L 2 < 2,5)!
Optional: Type K4, model A2
L1 = 1040 mm
max
CAUTION!
Observe the length ratio (L1 : L 2 < 2,5)!

SAFETY INSTRUCTIONS

CAUTION!
The tightening torques must be checked after 100 km and retightened to the prescribed values
if necessary!

TECHNICAL DATA

Type
Drawbar, rectangular hollow section
Recommended bolts
Tightening torque
4
Type K4, models A1, A2
R4 / K4
60 x 60 mm
M12 x 90 - 8.8
75 Nm
Type R16, models A
R16
70 x 70 mm
M12 x 100 - 8.8
75 Nm
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