
OWNER’S
]RA]\EAL
POWER
VACUUMS
.75
Model Numbers
242-675A
242-685A
24677A
24687A
Important:
Read Safety Rules and
Instructions Carefully
Thank you for purchasing an
American built product.
PRINTED IN U.S.A.
FORM NO. 770-1794
(R810807)

INDEX
Safe Operation Practices
Assembly Instructions
Operation
Maintenance ................................................................. 9
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3
4
8
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LIMITED WARRANTY
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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
the movement of any power equipment unit or attachment are the responsibility of the pur
chaser. Transportation charges for any parts submitted for replacement under this warran
ty 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, ex
cessive use, accident, neglect, improper maintenance, alterations, or unless the unit has
been operated and maintained in accordance with the instructions furnished. This warran
ty does not apply to the engine, motor, battery, battery chargeror component parts thereof.
Please refer to the applicable manufacturer’s warranty on these items.
Off-Season Storage......................................................
Illustrated Parts
Replacement Parts List
Parts Information ..........................................Back Cover
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12, i
13, 15
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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 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.
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.
The return of a complete unit will not be accepted by the factory unless prior written per
mission has been extended by MTD.
This warranty gives you specific legal rights. You may also have other rights which vary
from state to state.
I WARNING \
TO PURCHASERS
OF INTERNAL COMBUSTION ENGINE EQUIPPED
MACHINERY OR DEVICES IN THE STATE OF CALIFORNIA

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 this operating and service instructing manual
carefuHy. Be thoroughly familiar with the controls
and proper use of the power vacuum.
2. Never allow children to operate this power
vaccum.
3. Keep the area of operation clear of all persons,
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.
.. 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 immedi
ately 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 storing 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 attach
ment 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.
18. Never operate as a leaf blower unless impeller
guard and guard assembly are properly affixed in
their place.
19. Exercise caution whenever operating as a leaf
blower. Do Not allow discharge to be pointed in
the direction of persons.

ASSEMBLY
INSTRUCTIONS
CONTENTS OF HARDWARE PACK
(See Figure 1.)
FIGURE 1.
IVI
A
B
C
D
E
F (3)
G (3) Belleville Washers
H
1 (4)
J
K (2) Stud Pins
L (2)
LOOSE
(See Figure 2.)
M
N
0
P
Q
R
S
* Self-Propelled Models 685 and 24687 Oi
Clutch Grip Assembly*
(1)
Hair Pin Cotter*
(1)
Clevis Pin*
(1)
Extension Spring*
(1)
Lock Nut 1 /4-20 Thread*
(1)
Hand Knobs
Heavy Flat Washer
(1)
Hex Bolts 1/4-20X 1.75" Long
(4) Hex Lock Nuts 1/4-20 Thread
Push-on Speed Nuts
PARTS IN CARTON
Bag
(1)
Nozzle
(1)
Upper Handle
(1)
Air Duct Assembly
(1)
Clutch Rod*
(1)
Directional Discharge Assembly
(1)
Impeller Guard
(1)
FIGURE 2.
m'
FIGURE 3.
otL LEVILLE WASHER (G)
1
TOOLS REQUIRED:
(2) 7/16" Open End or Box Wrenches.
(1) Hammer or Mallet.
(1) Adjustable Wrench.
1. Place nozzle (N) in position on front of housing
so that it rests in flanges. Secure with one hand
knob (F) and belleville washer (G). See figure 3.

UPPER
HANDLE (O)-
I
FIGURE 4.
2. Place the upper handle (0) in position over lower
handle. Fasten with four hex bolts (I) and lock
nuts (J) provided. See figure 4. Two 7/16"
wrenches are required.
LOCK NUT (
STUD PIN (K i
Place the stud pins (K) in holes in upper handle
(head of pins go to the inside of handle). Secure
pins with push-on speed nuts (L) by holding
speed nut with box wrench and tapping pin with
hammer. See figure 5.
FIGURE 5.
BELLEVILLE
WASHER (G)-
HAND
KNOB (F)
UPPER
HANDLE
4. Place air duct assembly (P) over opening on top
of housing. Secure with two hand knobs (F) and
belleville washers (G). See figure 6.
DUCl
EMBLY (P)
FIGURE 6.