MTD 241-670A User Manual

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ASSEMBLY « OPERATION » MAINTENANCE « PARTS

POWER VACUUMS

Important:

Read Safety Rules and

Instructions Carefully

PRINTED IN U.S.A.

Model Numbers

241-670A
241-680A

FORM NO. 770-0823

INDEX

Safe Operation Practices
Assembly Instructions

Operation Instructions .................................................... 5

Adjustments..................................................................... 5

................................................

.....................................................

LIMITED WARRANTY

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.

3
4

Lubrication
Exploded Views .

Repair Parts List...................................................7,9,10,11

Parts Information

....

...................................................................

......

................................... 6,8,10,11

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Back Cover

5

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 vService
Department of MTD.

The return of a complete unit will not be accepted by the factory unless prior written
permission has been extended by MTD.

This warranty 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

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 law 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.

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 inspectingymake
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.

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

CONTENTS OF HARDWARE PACK

4

(A)

(B) 13

(C)
(D)

(E) 3
(F)
(G) 4

(H)
(1)

(J)
(K)

(U
(M) 1
(N) 1
(0) 1

Hex Bolts 1/4-20x 1.25" Long
Hex Cent. Lock Nuts 1/4-20 Thread

(Model 241-670A Only)

16

Hex Cent. Lock Nuts 1/4-20 Thread

(Model 241-680A Only)

2

Flat Washers .285" I.D. x .62 O.D. x .059

4

Flat Washers .285" I.D. x 1.25" O.D. x .060
Hex Bolts 1/4-20 X .50" Long

3

Flat Washers .28" I.D. x .75" O.D. x .063
Flat Washers .344" I.D. x .88" O.D. x .063

4

Thumb Nuts 5/16-18 Thread

1

Deflector

2

Hex Bolts 1/4-20 X 1.50" Long*

2

Cable Ties*

1

Ferrule*
Control Lever*

Flat Washer .510" I.D. x .75" O.D.*

Spacer*

Hex Nut

FIGURE 2

4. Place the air duct in position on the blower
housing. Fasten with four (4) flat washers (D)
and hex nuts (B). See figure 3.

*Self-Propelled Model 241-680A Only

1. Place the upper handle in position. Fasten with
four (4) hex bolts (A) and hex center lock nuts

(B) provided.

2. Place the air duct liner (studded end first) into
the elbow of air duct. See figure 1.

\

■

B

/

FIGURE 1

Insert studs of air duct liner through holes in

3.
air duct. Thread on two (2) flat washers (C) and
hex nuts (B) several turns—DO NOT TIGHTEN.

See figure 2.

FIGURE 3

5. Tighten the two hex nuts on 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 (I) on the top of the air duct
with three hex bolts (E), flat washers (F) and hex
nuts (B). Refer to illustration on page 6.

8. Slide the bag over the air duct.

9. Fasten the nozzle to the front of the vacuum

with four flat washers (G) and thumb nuts (H)

provided.

Use the following steps on the self propelled unit only
(Model 241-680A).

10. Fasten the throttle control to the right hand sidf
of the upper handle with one hex bolt (J) and
hex center lock nut (B) provided.