MAFI Trac T225, Maintenance Manual

Page: 92 / 142

MAINTENANCE WORK
WHEELS AND TYRES
90 Maintenance manual T225/T230
Wheels and tyres
The condition of the wheels and tyres is of great importance
for the operational safety of the MT.
W A R N I N G !
A c c i d e n t h a z a r d !
I m p r o p e r l y c a r r i e d o u t wo r k o n t h e w h e e l s a n d t y r e s
r e s t r i c t s t h e o p e r a t i o n a l s a fe t y o f t h e M T a n d c a n
c a u s e s e r i o u s a c c i d e n t s w i t h p e r s o n a l i n j u r y.
X
H ave r e p a i r wo r k o n w h e e l s a n d t y r e s p e r fo r m e d by
q u a l i f i e d t e c h n i c i a n s o n l y.
Checking the tightening torques
Fig. 59: Tightening order
X Be sure to retighten all wheel nuts with the specified
tightening torque before the initial operation and after the
wheel exchange.
X
Retighten the torque of the wheel nuts after the first drive
under load, at the latest though after 24 operating hours.
X
Tighten wheel nuts crosswise, see Fig. 59.
Make sure tightening torques for the wheel nuts are correct.
Use a torque wrench for retightening the wheel nuts.
Fig. 60: Warning sign “Tightening torque”
The tightening torque for the wheel nuts is inscribed on the
“Tightening torque” warning sign.
M i n d t h e t y p e s o f t h e w h e e l nu t s b e c a u s e t h e h e i g h t o f
t h e t i g h t e n i n g t o r q u e i s d e p e n d e n t o n t h e t y p e o f w h e e l
n u t s.