MTD 243-689A - Manual (Page 9)

OPERATION
PRE-START PREPARATIONS
Service engine with gas and oil. See engine manual
packed with vacuum for complete instructions for
care and maintenance of engine. READ DlREC-
TIONS CAREFULLY.
CAUTION
REVOLVING BLADES-KEEP
HANDS AWAY FROM ALL
OPENINGS
ADJUSTMENTS
A
CAUTION
Do not at any time make any adjust*
mentto the unit without first stopping
engine and disconnecting spark plug
wire.
HEIGHT ADJUSTMENT
To adjust the height of the nozzle, stand on the right
hand side of vacuum and move the index handle
towards the engine. Move handle towards rear of unit
to lower height. Move the handle forward to raise the
height. See figure 16.
TO START ENGINE
After the engine has been properly fueled and oiled
(refer to engine operating and maintenance instruc­
tions), start engine following the instructions below.
1. Move throttle control lever on engine to START
position.
2. Crank engine. Pull recoil with quick frim pull.
Do not pull out so far the rope stops with a jerk
as this will cause rope failure. Do not allow rope
and handle to snap back into place.
3. After two or three full firm pulls on recoil (or as
soon as engine fires), move speed control to run
position.
4. Self Propelled Models Only - To engage the drive
mechanism, squeeze the clutch grip against the
upper handle. Release the clutch grip to stop the
forward motion.
INDEX (5 SETTINGS)
FIGURE 16
CARBURETOR ADJUSTMENT
TO STOP ENGINE
1. To stop engine, move throttle control lever to
STOP position.
2. Disconnect spark plug wire and ground to prevent
accidental starting while-equipment is unattended.
Operate a new engine at intermediate speeds and tight
load for the first few hours as you would a new
automotive engine.
I WARNING ^
If any adjustments are made to the
engine while the engine is running
(e.g. carburetor), disengage all clutches.
Keep clear of all moving parts. Be
careful of heated surfaces and muffler.
If carburetor needs adjustment to start or for oper­
ation, see "Carburetor Adjustment" section of engine
manual.