MTD 248-670A - Manual (Page 4)

INSTRUCTIONS
(Refer to figures 1, 2 and 3)
1. Place the upper handle in position and fasten
with four (4) hex screws and hex centerlock
nuts provided.
2. Place the air duct liner in the elbow of the air
duct and fasten in position as you assemble
the air duct in step 3. (See figure 1.)
3. Place the air duct in position on the blower
housing and fasten with four (4) flat washers
and hex nuts provided.
4. Slide the vacuum bag over the back of the
upper handle and snap the four flaps to hold
the bag.
5. Fasten the deflector on the top of the air duct
with three hex screws, flat washers and hex
nuts. (See figure 1.)
6. Slide the bag over the air duct.
7. Fasten the nozzle to the front of the vacuum
with four flat washers and thumb nuts
provided.
8. Use the following steps on the self propelled
unit only.
9. Fasten the throttle control to the right hand
side of the upper handle with one hex screw
and hex center locknut provided.
10. Secure throttle control cable to the lower
handle with the cable clip provided.
ASSEMBLY OPERATION
NOTE
Cable clip must be assembled to
lower handle with the open end
towards the engine. This will pre­
vent wear to the bag.
11. Place ferrule through control lever.
12. Place flat washer over ferrule and thread
control rod into ferrule about eight or nine
turns.
13. Hook formed end of control rod in the shifting
finger.
14. Place curved face of spacer towards the
outside of upper handle leh hand side.
15. Fasten control lever in position with hex
screw and two hex nuts provided.
16. Engage and disengage control lever, check for
free pivoting action. It may be necessary to
readjust the control rod.
1. Service engine with gas and oil. See engine
manual packed with vacuum for complete
instructions for care and maintenance of
engine. READ DIRECTIONS CAREFULLY.
START ENGINE
After the engine has been properly fueled and
oiled (refer to engine operating and maintenance
instructions), start engine in the following
manner.
PUSH MODEL
1. Move throttle control lever on engine to
START position.
2. Crank engine. Pull recoil with a quick firm
pull. Do not pull out so far that 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. Operate a new engine at intermediate speeds
and light load for the first few hours as you
would a new automotive engine.
5. To stop engine, move speed control lever on
engine to STOP position.
6. If carburetor needs adjustment to start or for
operation, see “Carburetor Readjustment”
section.
SELF PROPELLED MODEL
1. Place drive engagement lever in the neutral
position (towards the operator).
2. Move throttle control lever on handle to
START position.
3. Crank engine. Pull recoil with a quick firm
pull. Do not pull out so far that rope stops
with a jerk as this will cause rope failure. Do
not allow rope and handle to snap back into
place.