PRONAR T669/1, Operator'S Manual, Page: 100 / 137

Pronar T669/1 SECTION 5
5.10
FIGURE 5.4 Sequence of tightening nuts, axles with 10 M22x1.5 pins
(1) - (10) sequence of nut tightening, (L) spanner length, (F) user weight
IMPORTANT
Axle nuts may not be tightened with impact wrench, because of danger of exceeding
permissible tightening torque, the consequence of which may be breaking the thread
connection or breaking off the hub pins.
The greatest precision is achieved using a torque spanner. Before commencing work,
ensure that correct tightening torque value is set.
TABLE 5.1
Spanner arm
WHEEL TIGHTENING TORQUE BODY WEIGHT (F) ARM LENGTH (L)
[NM] [KG] [M]
90 0.5
80 0.55
70 0.65
450
60 0.75