85
TS 700, TS 800
The low speed screw
L
should not
be adjusted once the basic or
standard setting has been made
successfully. However, if
irregularities arise, these can be
corrected with the following
precision adjustments.
Note:
The low speed screw
L
is not limited
and can therefore be adjusted
completely. The two adjusting
screws for low speed
L
and idle
speed
LA
are matched with one
another when making the basic
setting. For this reason, always
check or ensure that the basic
setting has been made correctly.
It is usually necessary to change the
setting of the idle speed screw
LA
after every correction to the low
speed screw
L
, see basic setting.
Engine stops when idling
– Make standard setting!
– Turn the idle speed screw
LA
clockwise until the abrasive
wheel begins to turn, then back
off one turn.
Abrasive wheel runs when idling
– Make standard setting!
– Turn the idle speed screw
LA
anticlockwise until the abrasive
wheel stops, then give it another
turn in the same direction.
Erratic idling behaviour, poor
acceleration
Idle setting too lean (e.g. at low
ambient temperatures).
– Give the low speed screw
L
a
quarter-turn anticlockwise until
the engine runs smoothly and
accelerates properly.
Idle speed cannot be increased
sufficiently via the idle speed
screw (LA), engine stops when
changing from part-load to idle
speed
– Turn the low speed screw
L
approx. 1/4 turn clockwise.
Correcting the carburetor setting
for use at high altitudes
The setting may have to be
marginally corrected if the engine
performance is unsatisfactory at
high altitudes.
– Check the standard setting.
– Let the engine warm up.
– Set idle speed correctly.
– Turn the high speed screw
H
clockwise (leaner) – max. up to
the stop.
Note:
The screws should be adjusted as
little as possible. The slightest
adjustment produces a tangible
difference in engine behaviour.
Important!
If you make the setting too lean it
will increase the risk of engine
damage through lack of lubrication
and overheating.
If the adjustments do not yield any
improvement, refer also to the
troubleshooting chart for ignition
system, carburetor and power unit,