MTD 240-680A User Manual
.50
ASSEMBLY
OPERATION
MAINTENANCE
PARTS LIST
IMPORTANT:
Read Safety Rules
and Instructions
PRINTED IN U.S.A.
MODEL NUMBERS
240-670A
240-680A
POWER
VACUUMS
FORM NO. 770-0091
INDEX
Safe Operation Practices......................................— 3
Assembly Instructions............................................... 4
Operation Instructions............................................... 5
Adjustments.................................................................5
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For one year from the date of original retail purchase, MTD PRODUCTS INC will either
repair or replace, at Its option, free of charge, F.O.B. factory or authorized service firm,
any part or parts found to be defective in material or workmanship. Transportation charges
for any parts submitted for replacement under this warranty must be paid by the purchaser
unless such return is requested by MTD PRODUCTS INC.
This warranty will not apply to any part which has become inoperative due to misuse,
excessive use, accident, neglect, improper maintenance, alterations, or unless the unit
has been operated and maintained in accordance with the instructions furnished. This
warranty does not apply to the engine, motor, battery, battery charger or component parts
thereof. Please refer to the applicable manufacturer’s warranty on these items.
This warranty will not apply where the unit has been used commercially.
Warranty service is available through your local authorized service dealer or distributor. If
you do not know the dealer or distributor in your area, please write to the Customer Service
Department of MTD.
LIMITED WARRANTY
Exploded Views
Repair Parts List...........................................7, 9,11,12
Parts Information........................................Back Cover
.................................. ........
6, 8,10,12
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The equipment which you have just purchased does not have a spark arrester. If this equipment is used on
any forest covered land, brush covered land, or grass covered unimproved land in the State of California,
before using on such land, the California law requires that a spark arrester be provided. In addition, spark
arrester is required by iaw to be in effective working order. The spark arrester must be attached to the
exhaust system and comply with Section 4442 of the California Public Resources Code.
The return of a complete unit will not be accepted by the factory unless prior written
permission has been extended by MTD.
This warrany gives you specific legal rights. You may also have other rights which vary
from state to state.
WARNING TO PURCHASERS
OF INTERNAL COMBUSTION ENGINE EQUIPPED
MACHINERY OR DEVICES IN THE STATE OF CALIFORNIA
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IMPORTANT
It is suggested that this manual be read in its entirety before attempting to assemble or operate. Keep this
manual in a safe place for future reference and for ordering replacement parts.
This unit is shipped WITHOUT GASOLINE or OIL. After assembly, see operating section of this manual for
proper fuel and amount.
SAFE OPERATION PRACTICES FOR POWER VACUUMS
1. Read the operating and service instructing
manual carefully. Be thoroughly familiar with
the controls and proper use of the power
vacuum.
2. Never allow children to operate this power
vacuum.
3. Keep the area of operation clear of all per
sons, particularly small children and pets.
4. Check fuel before starting engine. Do not fill
fuel tank indoors, when engine is running, or
while engine is hot. Wipe off any spilled fuel
before starting engine.
5. Do not change engine governor settings.
6. Do not put hands near rotating parts for
any reason.
7. If the power vacuum should start to vibrate
abnormally, stop the engine and check
immediately for the cause. Vibration is
generally a warning of trouble.
8. Before cleaning, repairing or inspecting make
certain all moving parts have come to a
complete stop. Disconnect spark plug wire
and keep wire away from plug to prevent
accidental starting. Also keep throttle control
lever in the stop position.
9. If the power vacuum should become blocked
with debris at any point shut engine off and
wait until the impeller comes to a complete
stop before attempting to remove the
obstruction. Disconnect spark plug wire to
prevent accidental starting.
10. Check all bolts for tightness at frequent
periods.
11,
Never store this power vacuum with fuel in the
tank. Allow engine to cool before starting in
any enclosure.
12.
Keep bag and equipment free of debris when
not in use.
13.
Never operate this power vacuum unless air
duct and vacuum bag are properly affixed
in their place. Large zippered end of bag must
be closed when operating to prevent objects
from being blown out.
14.
Never empty vacuum bag when engine is
running.
15. Never change inlet nozzle or auxiliary hose
attachment when engine is running.
16. The manufacturer recommends that the
operator wear safety glasses or some other
suitable eye protection when operating this
machine.
17. Check the vacuum bag frequently for wear and
replace when necessary.
ASSEMBLY
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 (studded end first) into
the elbow of air duct. See figure 1.
Hex Nut
FIGURE 1.
3. Insert studs of air duct liner through holes in
air duct. Thread on two (2) flat washers and
hex nuts (provided) several turns—do not
tighten. See figure 2.
FIGURE 3.
5. Secure the two (2) hex nuts onto the air duct
liner studs at the air duct elbow.
6. Slide the vacuum bag over the back of the
upper handle and snap the four flaps to hold
the bag.
7. Fasten the deflector on the top of the air duct
with three hex screws, flat washers and hex
nuts. (See figure 1.)
8. Slide the bag over the air duct.
9. Fasten the nozzle to the front of the vacuum
with four flat washers and thumb nuts
provided.
10. Use the following steps on the self propelled
unit only.
11. Fasten the throttle control to the right hand
side of the upper handle with one hex screw
and hex center locknut provided.
12. Secure throttle control cable to the lower
handle with the cable clip provided.
Air Duct
FIGURE 2.
4. Place the air duct in position on the blower
housing and fasten with four (4) flat washers
and hex nuts provided. See figure 3.
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NOTE
Cable clip must be assembled to
lower handle with the open end
towards the engine. This will pre
vent wear to the bag.
13. Place ferrule through control lever.
14. Place flat washer over ferrule and thread
control rod into ferrule about eight or nine
turns.
15. Hook formed end of control rod in the shifting
finger.
16. Place curved face of spacer towards the
outside of upper handle ieh hand side.
IMPORTANT
It is suggested that this manual be read in its entirety before attempting to assemble or operate. Keep this
manuai in a safe place for future reference and for ordering replacement parts.
This unit is shipped WITHOUT GASOLINE or OIL. After assembly, see operating section of this manual for
proper fuel and amount.
SAFE OPERATION PRACTICES FOR POWER VACUUMS
1. Read the operating and service instructing
manuai carefuily. Be thoroughiy familiar with
the controls and proper use of the power
vacuum.
2. Never allow children to operate this power
vacuum.
3. Keep the area of operation clear of all per
sons, particularly small children and pets.
4. Check fuel before starting engine. Do not fill
fuel tank indoors, when engine is running, or
while engine is hot. Wipe off any spilled fuel
before starting engine.
5. Do not change engine governor settings.
6. Do not put hands near rotating parts for
any reason.
7. If the power vacuum should start to vibrate
abnormally, stop the engine and check
immediately for the cause. Vibration is
generally a warning of trouble.
8. Before cleaning, repairing or inspecting make
certain all moving parts have come to a
complete stop. Disconnect spark plug wire
and keep wire away from plug to prevent
accidental starting. Also keep throttle control
lever in the stop position.
9. If the power vacuum should become blocked
with debris at any point shut engine off and
wait until the impeller comes to a complete
stop before attempting to remove the
obstruction. Disconnect spark plug wire to
prevent accidental starting.
10. Check all bolts for tightness at frequent
periods.
11. Never store this power vacuum with fuel in the
tank. Allow engine to cool before starting in
any enclosure.
12. Keep bag and equipment free of debris when
not in use.
13. Never operate this power vacuum unless air
duct and vacuum bag are properly affixed
in their place. Large zippered end of bag must
be closed when operating to prevent objects
from being blown out.
14. Never empty vacuum bag when engine is
running.
15. Never change inlet nozzle or auxiliary hose
attachment when engine is running.
16. The manufacturer recommends that the
operator wear safety glasses or some other
suitable eye protection when operating this
machine.
17. Check the vacuum bag frequently for wear and
replace when necessary.
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