PRONAR T679/5, Operator'S Manual, Page: 107 / 116

SECTION 5 PRONAR T679/5
5.35
TABLE 5.6 Tightening torque for nut and bolt connections
5.8
(1)
8.8
(1)
10.9
(1)
METRIC
THREAD
Md [Nm]
M10 37 49 72
M12 64 85 125
M14 100 135 200
M16 160 210 310
M20 300 425 610
M24 530 730 1 050
M27 820 1 150 1 650
M30 1 050 1 450 2 100
(1) – resistance class according to DIN ISO 898 standard
TIP
Hydraulic lines should be tightened using torque of 50 – 70 Nm.
INSPECTION
•
Once, after purchasing the trailer, before first use.
•
Every 12 months.
•
Every 3 months during intensive work.
5.10 ADJUSTMENT OF DRAWBAR POSITION
Location of the drawbar should be selected individually depending on the height of the hitch
on the tractor that will pull the trailer. If possible, we recommend adjusting the tractor hitch so
that the trailer drawbar is positioned horizontally while driving on a flat terrain.