MTD 248-685-000 - Manual (Page 9)

OPERATION
BEFORE STARTING ENGINE
*^rvice engine with gas and oil. See engine manual
acked with vacuum for complete instructions for
-care and maintenance of engine. READ DIREC­
TIONS CAREFULLY.
▲
CAUTION
REVOLVING BLADES-KEEP
HANDS AWAY FROM ALL
OPENINGS
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 choke lever on engine to CHOKE position.
■1^ NOTE
A warm engine may not require
choking.
Move throttle control lever on engine to FAST
position.
Crank engine by pulling recoil starter with a
quick, firm stroke. Do not pull out so far the rope
stops with a jerk. Do not allow rope and
handle to snap back into place.
After two or three full firm pulls on recoil (or as
soon as engine fires), move choke control to
RUN position.
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.
TO STOP ENGINE
3.
4.
5.
1 . move throttle control lever to To stop engine,
OFF position.
2. Disconnect spark plug wire and ground to prevent
accidental starting while equipment is unattended.
Operate a new engine at intermediate speeds and light
load for the first few hours as you would a new
automotive engine.
^ IMPORTANT
The vacuum bag may have an air escape
located on the upper right hand side.
See figure 16. The air escape can be
opened if the vacuum is operated in
wet, sandy or muddy conditions.
FIGURE 16
ADJUSTMENTS
A
CAUTION
Do not at any time make any adjust­
ment to the unit without first stopping
engine and disconnecting spark plug
wire.
HEIGHT ADJUSTMENT
The height adjustment crank is located on the right
hand side of the vacuum. See figure 17. Turn the crank
clockwise to raise the nozzle. Turn the crank counter­
clockwise to lower.
FIGURE 17