3.2
Op er at ing con trol at the tow-bar
1
Con trol le ver
The con trol le ver serves for ad just ment of the unbalances in the
ex citer and in turn for coninuous reg u la tion.
I
For ward
0
Point com pact ing
II
Re verse
The con trol le ver re mains au to mat i cally in po si tion only when set
to the max i mum for ward travel set ting (a). In any other po si tion,
the con trol le ver moves in the di rec tion of max
i mum for ward
travel when re leased.
If the con trol le ver is op er ated too quickly sev eral times, the shift
le ver will block in re verse travel. In this case:
•
Re lease le ver in for ward travel po si tion up to max i mum for -
ward travel po si tion
•
Block ing is cleared within a few sec onds and per fect shift ing is
pos si ble
The con trol le ver can be op er ated only with the en gine run ning.
The le ver blocks if op er ated when the ma chine is sta tion ary.
Block ing is im me di ately cleared when the en gine is re started.
2
En gine speed con trol le ver
STOP En gine stop (APR 3520 only)
MIN
Idle (detent po si tion)
MAX
Full load
The en gine speed can be ad justed steplessly with the con trol le -
ver. At min i mum en gine speed (min), the drive to the ex citer is
dis con nected at the cen trif u gal clutch and the en gine idles. The
cen trif u gal clutch en gages when the con trol le ver is moved ap -
prox i mately ¼ of its ad just ment travel.
A
1
2
0
2
0
0
0
0-
2
H
b
m
G
g
n
ut
h
ci
dr
e
V
n
n
a
m
m
A
8
1
0
2/
8
0
3. Op er a tion
57
