W W h h e e n n e e v v e e r r a a p p a a s s s s e e n n g g e e r r i i s s s s i i t t t t i i n n g g o o n n t t h h e e r r e e a a r r c c e e n n t t r r a a l l s s e e a a t t t t h h e e h h e e a a d d r r e e s s t t m m u u s s t t
b b e e i i n n p p o o s s i i t t i i o o n n
. .
A
N N o o t t e e
It is advisable to note the indications on the vertical adjustment of the head