OWNERS
MANUAL
.75
ASSEMBLY
OPERATION
MAINTENANCE
PARTS LIST
Important:
POWER
VACUUM
Model Number
244-660-000
24665L
Read Safety Rules and
Instructions Carefully
PRINTED IN U.S.A.
Thank you for purchasing an
American built product.
F0RI\ii iSIO. 770-3096
INDEX
Safe Operation Practices
Assembly Instructions
Operation .................................................................... 7
Adjustments .................................................................. 8
.............................................
..................................................
3
f
LIMITED WARRANTY
♦
♦
♦
t
♦
♦
♦
For one year from the date of orig nal retail purchase, MTD PRODUCTS INC will either
repair or replace, at Its option, free c f 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 equipm^mt unit or attachment are the responsibility of the pur
chaser. Transportation charges for г ny 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, imp oper maintenance, alterations, or unless the unit has
been operated and maintained in ac ;ordance 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 manifacturer’s warranty on these items.
4
Maintenance ......................................................... .. 8
Illustrated Parts.......................................................... ■*
Replacement Parts List
Parts Information ..........................................Back Cover
.............................................
1 .
♦
♦
♦
The equipment which you have just purchasid 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 required that a spark arrester be provided. In addition, spark arrester
required by law to be in effective working ordi;r. The spark arrester must be attached to the exhaust system a
comply with Section 4442 of the California Public Resources Code.
This warranty will not apply where he 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 distrib utor 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 MTC .
This warranty gives you specific leijal rights. You may also have other rights which vary
from state to state.
f} I WARNING I
TO PURCHASERS
OF INTERNAL COMBUSTION ENGINE EQUIPPED
MACHINERY OR DEVICES IN THE STATE OF CALIFORNIA
IMPORTANT
-H is suggested that this manual be read in its entirety before attempting to assemble or operate. Keep this manual
a safe place for future reference and for ordering replacement parts.
This unit is shipped WITHOUT GASOLINE or OIL. After assembly, see separate engine manual for proper fuel
and engine oil recommendations.
SAFE OPERATION PRACTICES FOR POWER VACUUMS
1. Read this 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 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.
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 immedi
ately for the cause. Vibration is generally a
warning of trouble.
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 ail 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 auxiliary hose attachment when
engine is running.
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.
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.
FIGURE 1
a*-'";
1
ASSEMBLY INSTRUCTIONS
TOOLS REQUIRED:
(2) 9/16" Wrenches
(2) 7/16" Wrenches
(1) Hammer or Rubber Mallet
LOOSE PARTS IN CARTON (See figure 1):
P"
i
•
—L
1 :
, H—'i- c
M
i !!“•'
Y
^ 0*^ " *' ‘i
--
-----
i i r
J.
f . 1 \ ^ ,,
K
A
-------
B
C
D
E
F
CONTENTS OF HARDWARE PACK (See figure 2):
Lower Handle
(1)
(2)
Rear Wheels
Upper Handle
(1)
Air Duct Assembly
(1)
Bag
(1)
Hardware Pack
(1)
G (2) Hex Bolts 3/8-16x3/4" Long
H (2) Lock Washers 3/8" I.D.
I (4) Hex Nuts 3/8-16 Thread
J (2) Hex Bolts 3/8-16 x 1-1/2" Long
-K (2) Belleville Washers 3/8" I.D. X 1-1/8" O.D.
L (2) Spacers 1/2" I.D. x 15/16" Long
M (4) Flat Washers 1/2" I.D. x 1" O.D.
N (2) Black Push Caps
0 (4) Hex Bolts 1/4-20 x 1-3/4" Long
P (4) Hex Lock Nuts 1/4-20 Thread
Q (1) Thumb Screw 5/16-18 Thread
R (1) Belleville Washer 5/16" I.D. X 7/8" O.D.
S (2) Stud Pins (Not Shown)
T (2) Push-On Speed Nuts (Not Shown)
FIGURE 2
FIGURE 3
LOWER
HANDLE lA)
BOLTCfe)-^'
LOCK WASHER (H)
HEX NU1 (II
WASHER (i )
HEX WUT (I)
1.
Remove the vacuum, loose parts, hardware pack
and literature from the carton. Make certain all
parts and literature have been removed before
the carton is discarded.
Raise the back of the unit off the floor approxi
mately 3 inches and block it so that the lower
handle and rear wheels may be assembled.
Place lower handle (A) in position on the vacuum,
lining up the holes in the handle with the holes
on the frame. See figure 3. Place hex bolts (G)
(3/4" long) through lower hole in handle and
frame. Secure with lock washers (H) and hex
1
nuts (I) on the inside of frame, finger tight only.
Place hex bolts (J) through upper hole in hand/
4.
and frame. Secure with belleville washers (k
(cupped side against the frame) and hex nuts (I).
5.
Tighten all four nuts and bolts using two 9/16"
wrenches.
FIGURE 4
.-s'
Slide spacers (L) onto the axle shafts. Place one
flat washer (M) on each shaft next to the spacers.
See figure 4.
SPACER (L)
AXLE
SHAFT FLAT
WASHER (M)
Place rear wheels in position on the shafts, then
another flat washer (M). Secure with black push
cap (N) by placing the push cap in position and
tapping on with hammer or rubber mallet. See
figure 5.
FIGURE 5
PUSH CAP (N)
UPPER HANDLE
HEX BOLTS (O)
HEX LOCK
NUTS(P)
LOWER HAND
Place the upper handle (C) in position over lower
8.
handle. Fasten with four hex bolts (O) and hex
lock nuts (P) provided. See figure 6. Two
7/16" wrenches are required.
FIGURE 6
. i i.-SH-ON
-. ..'NUTIT)
I
t<M
STUD PIN (S)
9. Place the stud pins (S) in holes in upper handle
(head of pins go to the inside of handle). Secure
pins with push-on speed nuts (T) by holding
speed nut with box wrench and tapping pin with
hammer. See figure 7.
¿i'-
■
FIGURE?
%
UH
SLOT
DUC"
VelSSEMBLY
10. Place the tabs on the air duct assembly (D) into
the slots in the frame as shown in figure 8. Raise
the air duct into position.
FIGURE 8
FIGURE 9
^ *
THUMB
'SCREW (Q)
*' ..-BELLEVILLE
' VASHER(RI
11. Secure air duct with thumb screw (Q) and belle-
*
ville washers (R). Cupped side of washer must be
against the air duct. See figure 9.
12. Assemble the bag (E) by slipping the top straps
on the bag over upper handle. Hook the two
small straps over the stud pins on handle. See
figure 10.
13. Slip the elastic opening of the bag over the arr
duct assembly, making certain the elastic opening
is secured behind the flanges on all four sides of
on the air duct. See figure 11.
FIGURE 11
OPERATION
BEFORE STARTING
Service engine with gas and oil. See engine manual
packed with vacuum for complete instructions for
care and maintenance of engine. READ DIREC
TIONS CAREFULLY.
CAUTION
A'
Revolving Blades - Keep hands and
feet away from all openings.
) START ENGINE
After the engine has been properly fueled and oiled
(refer to engine operating and maintenance instruc
tions), start engine as follows.
1. Move throttle control lever on engine to START
position.
2. Crank engine. Pull recoil with quick firm pull.
Do not pull out so far the 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.
TO STOP ENGINE
1. To stop engine, move throttle control lever to
STOP 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.
The bag may be emptied using the large zipper as
shown in figure 12. Be certain the zipper is closed
when operating the unit.
FIGURE 12.
CARBURETOR ADJUSTMENT
\ WARNING \
If any adjustments are made to the
engine while the engine is running
(e.g. carburetor), disengage all clutch
es. Keep clear of all moving parts. Be
careful of heated surfaces and muffler.
If carburetor needs adjustment to start or for operatidn, see "Carburetor Adjustment" section of engine
manual.
MAINTENANCE
ADJUSTMENTS
CAUTION
A
Do not at any time make any adjust
ment to the unit without first stopping
engine and disconnecting spark plug
wire.
HEIGHT ADJUSTMENT
An adjusting plate and thumb lever at both front
wheels provide height adjustment for the vacuum.
See figure 13. Each adjusting plate has nine positions.
Height will be changed when the thumb lover is
moved from one position to another. Simply repress
thumb lever towards wheel and move wheel an«i lever
assembly to desired position. Both wheels mjst be
placed in the same relative position. Lower tho front
of the unit to obtain more suction.
I WARNING \
Disconnect spark plug wire and ground
it against the engine before performing
any repairs or maintenance.
BAG
Under normal usage the bag is subject to wear,
should be checked periodically. Be sure any re
placement complies with the manufacturer's recom
mendation. Wash bag periodically with water.
Allow to dry thoroughly in the shade. Do not use
heat.
ENGINE
Refer to engine manual for proper maintenance
procedures. Follow instructions carefully.
OFF-SEASON STORAGE
The following steps should be taken to prepare the
vacuum for storage.
1. Clean the engine and the entire unit thoroughly.
2. Refer to engine manual for correct engine storage
instructions.
3. Store in a clean, dry area.
FIGURE 13
CAUTION
A
When storing any type of power
equipment in an unventilated or metal
storage shed, care should be taken to
rust proof the equipment. Using a
light oil or silicone, coat the equip
ment especially all moving parts.
TROUBLE SHOOTING CHART
1 PROBLEM
1. Engine fails to
to start.
2. Hard starting or
loss of power.
3. Engine over
heats.
4. Excessive
vibration.
NOTE: For repairs beyond the minor adjustments listed above, please contact your local authorized service dealer.
A. Check fuel tank for gas.
B. Spark plug lead wire
C. Faulty spark plug.
A. Spark plug wire loose.
B. Dirty air cleaner.
A. Carburetor not adjusted
B. Air flow restricted.
C. Engine oil level low.
A. Bent crankshaft.
B. Impeller assembly out
CAUSE
disconnected.
properly.
of balance.
REMEDY
A. Fill tank if empty.
B. Connect lead wire.
C. Spark should jump gap between control electrode and side
electrode. If spark does not jump, replace the spark plug.
A. Connect and tighten spark plug wire.
B. Clean air cleaner as described in engine manual.
A. Adjust carburetor. See engine manual.
B. Remove blower housing on engine and clean as described in the
engine manual.
C. Fill crankcase with the proper oil.
A. Replace crankshaft (should be done by an authorized service
dealer).
B. Replace impeller assembly
Hose Attachment Kit Model 294-210-000 and Blower Conversion Kit Model 294-211-000
are available as optional equipment.
Model 660 and 24665
IF YOU WRITE TO US ABOUT THIS ARTICLE
OR IF YOU ORDER REPLACEMENT PARTS AL
WAYS MENTION THIS MODEL & SERIAL NO
MODEL
10
Model 660 and 24665
PARTS LIST FOR MODEL 660 POWER VACUUM
ef.
Part
i\lo.
No.
Color
Code
Description
New
Part
Ref.
No.
Part
No.
Color
Code
Description
New
Part
1 749-0480 Upper Handle
28 736-0272
2 Engine
710-0260 Carriage Bolt 5/16-18 x .62" Lg.
3
4 15784 - 488
5 710-0654
15786
6
Blower Housing Ass'yHex Tap Scr. 3/8-16 x 1.00" Lg. 30 736-0272
Impeller Ass'y.
7 736-0217 L-Wash. 3/8" I.D.*
*
29 734-1140
N
31 750-0588
8 710-0591 Hex Bolt 3/8-24 X 1.0" Lg.
w/Patch
32
736-0331 Bell.-Wash. .39" I.D. x 1.12"
9 723-0137 P.V.C. Foam Strip (4-Pcs. 12"
Lg.)
15780 - 488 Vacuum Deck Ass'y.
10
11 15796
Front Baffle Ass'y. N
12 15788 Lower Baffle Ass'y. N
13
14
15790
728-0123
Wiper Retaining Strip
Pop Rivet .188" Dia. 38 720-0170
33 712-0798 Hex Nut 3/8-16 Thd.*
N 34 15779 Air Duct Ass'y.
35 710-0201
710-0344
36
37
N
736-0242
15 735-0222 Nozzle Wiper Rear N 39 712-0107
712-0267 Hex Nut 5/16-18 Thd.* 40
16
736-0242 Bell.-Wash..34" I.D. X.87" O.D.
17
738-0102
18
Shid. Bolt 1/2" Dia. x 1.45" 42 764-0208
712-0113 Wing Nut 1/4-20 (Plastic)
41
710-0136 Hex Bolt 1/4-20 X 1.75" Lg.*
Lg. (3/8-16) 43 749-0592 Lower Handle
19 734-1139 Wheel Ass'y. Comp. 8 x 1.75" 44
- Front
N
;o 736-0331 Bell.-Wash. .39" I.D. x 1.12"
14578
14579
O.D.
21 15262
22
15261 Index Plate 46
736-0331
23
Wheel Pivot Bar
45 1539-019
Bell.-Wash. .39" I.D. x 1.12" 47
711-0737
714-0105
O.D. 48 735-0221
24 712-0798 Hex Nut 3/8-16 Thd.* 49 15789
25 14832 Spring Lever Ass'y. w/Knob
738-0507 Shoudler Bolt .500" x 7/16"
26
Lg. (3/8-16)
50 710-0302
51 736-0169
27 726-0128 Push Cap .50" Rod (Black)
Fl.-Wash. 1/2" I.D. x 1.0" O.D.
X .06
Wheel Ass'y. Comp. 10 x 1.75"
- Rear
Fl.-Wash. 1/2" I.D. x 1.0" O.D.
X .06
Wheel Spacer 1/2" I.D. x 15/16
Lg.
O.D.
Hex Bolt 3/8-16 X .75" Lg.*
Hex Bolt 3/8-16 X 1.50" Lg.*
Bell.-Wash. .34" I.D. x.87" O.D.
Thumb Scr. 5/16-18 x .75" Lg.
Hex Cent. L.-Nut 1/4-20 Thd.
Vacuum Bag (6.6 Bushel)
Height Adjuster Ass'y. Comp. -
R.H.
Height Adjuster Ass'y. Comp -
L.H. (Not Shown)
Push Speed Nut .25" Dia.
Stud Pin .250" Dia. X 1.75" Lg.
Sq. Key 3/16 X 3/16 X 1.00" Lg.
Nozzle Wiper Side
Wiper Retaining Strip
Hex Wash. Hd. "F" Tap Scr.
#10
L-Wash. 3/8" I.D.*
N
i
N
N
N
N
N
N
*For faster service obtain standard nuts, bolts and washers
locally. If these items cannot be obtained locally, order by
part number and size as shown on parts list.
(488 - Mack Truck Yellow)
(615- Red)
When ordering parts, if color or finish is important use the
appropriate color code shown above, (e.g. Mack Truck
Finish - 14542 (488).)
•*c
ЮТЕ: The engine is not under warranty by the vacuum manufacturer ... If repairs or service is needed
on the engine, please contact your nearest authorized engine service outlet. Check the "Yellow Pages" of
your telephone book under "Engines - Gasoline."
This instruction manual covers various models and
all specifications shown do not necessarily apply
to your model. Specifications subject to change
without notice or obligation.
11
NOTE
Find II Fast
In The
Yellow Pages
PARTS INFORMATION
POWER EQUIPMENT PARTS AND SERVICE
Parts and service are available through the authorized seivice
firms listed below. All orders should specify the model numb sr of
your unit, part numbers, description of parts and the quanti y of
each part required.
NOTE: If any parts are found to be missing or defective upon assembly of this unit, write to advise the factory so
that immediate replacement can be made.
ALABAMA BIRMINGHAM
Auto Electric & Carburetor Co. . .. 2625 4th Ave. S
ARKANSAS NORTH LITTLE ROCK
Sutton’s Lawn Mower Shop............... 5301 Roundtop Drive
CALIFORNIA PORTERVILLE
Billious...............................................75 North D Street
COLORADO DENVER
Spitzer Industrial Products Co. ... 6601 N.
FLORIDA JACKSONVILLE
Radco Distributors............................. 4909 Victor St.
Small Eng. Dist
GEORGIA EAST POINT
East Point Cycle & Key
ILLINOIS LYONS
Keen Edge Co.....................................8615 Ogden Ave
INDIANA ELKHART
Parts & Sales Inc...............................2101 Industrial Pkwy.. .^5516
IOWA DUBUQUE
Power Lawn & Garden Equip
LOUISIANA MONROE
Mid-South Power
Suhren Engine Co
MARYLAND ТАКОМА PARK
Center Supply Co
MASSACHUSETTS SPRINGFIELD
Morton B. Collins Co.......................... 300 Birnie Ave...............C1107
MICHIGAN LANSING
Lorenz Service Co
Power Equipment Dist
MINNESOTA HOPKINS
Hance Distributing Inc
MISSISSIPPI BILOXI
Biloxi Sales & Service, Inc
MISSOURI KANSAS CITY
Automotive Equip. Service
Ross-Frazier Supply Co
Henzier, Inc.........................................2015 Lemay Ferry Rd. .6 3125
NEW JERSEY BELLMAWR
Lawnmower Parts Inc........................717 Creek Rd
NEW MEXICO ALBUQUERQUE
Spitzer Eng. & Parts
NEW YORK CARTHAGE
Gamble Dist., Inc
Red Fox Parts Dist
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Box 368, Rt. 4
Washington St
Box 5459
OPA LOCKA
2351 N.W. 147th St. . . .3 3054
2834 Church St
2551 J.F. Kennedy . .. .f 2001
1500 Arkansas St
NEW ORLEANS
8330 Earhart Blvd
6867 New Hampshire
Ave
2500 S. Pennsylvania .. ^ 8910
MOUNT CLEMENS
340 Hubbard
420 Excelsior Ave. W. . E 5343
506 Caillavet St
3117 Holmes St
ST. JOSEPH
8th and Monterey...........6 4503
ST. LOUIS
1023 Third Ave. N.W. . .6 7103
West End Ave
SCHOHARIE
Rt. 30 P.O. Box 527.... 12157
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3 3233
7 2117
9 3257
8D229
3 2207
3 0344
60534
Ï1201
7 0118
2 0912
^ 8043
2 9533
6 4109
6 8030
13619
BRIGGS AND STRATTON, TECUMSEH AND PEERLESS PARTS
AND SERVICE
Briggs & Stratton, Tecumseh and Peerless parts and service
should be handled by your nearest authorized engine service firm,
Check the yellow pages of your telephone directory under thr
listing Engines—Gasoline, Briggs & Stratton or Tecumse
Lauson.
NORTH CAROLINA GOLDSBORO
Smith Hardware Co
Dixie Sales Company
OHIO CARROLL
Stebe’s Mid-State Mower Supply . Box 366, 71 High St... .43112
Bleckrie, Inc....................................... 7900 Lorain Ave.............44102
National Central
Burton Supply Co
OKLAHOMA MUSKOGEE
Victory Motors, Inc............................. 605 S. Cherokee
OREGON PORTLAND
Kenton Supply Co
PENNSYLVANIA HARRISBURG
EECOInc
Thompson Rubber Co
Bluemont Co......................................11125 Frankstown Rd. .15235
Frank Roberts & Sons
Scranton Auto Ignition Co
TENNESSEE KNOXVILLE
Master Repair Service....................... 2000 Western Ave
American Sales & Service, Inc. ... 3035-43 Bellbrook . .. .3811
TEXAS DALLAS
Marr Brothers, Inc
Woodson Sales Corp
Bullard Supply Co
Engine House Inc
UTAH SALT LAKE CITY
A-1 Engine & Mower Co
VIRGINIA ASHLAND
RBI Corp............................................101 Cedar Run Dr...........23005
WASHINGTON SEATTLE
Bailey’sinc
WISCONSIN APPLETON
Automotive Supply Co
Horst Dist........................................... 444 N. Madison..............53014
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515 N. George St
GREENSBORO
335 N. Green
CLEVELAND
WADSWORTH
687 Seville Rd
YOUNGSTOWN
1301 Logan Ave.
Box 929
8216 N. Denver Ave. .. .97217
4021 N.6thSt
PHILADELPHIA
5222-24 N. Fifth St
PITTSBURGH
PUNXSUTAWNEY
R.D. 2..............................15767
SCRANTON
1133-35 Wyoming Ave. 18509
MEMPHIS
423 E. Jefferson
FORT WORTH
1702 N. Sylvania
HOUSTON
2409 Commerce St. . . .77003
SAN ANTONIO
8610 Botts Lane
P.O. Box 17867
439 E. 900 So
141414thAve
123 S. Linwood Ave.
P.O. Box 798
CHILTON
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27530
27402
44281
44501
74401
17110
19120
37921
75203
76111
78217
84111
98122
54911
WARRANTY
The purpose of warranty is to protect the customer from
time of manufacture. It does not provide for the unlimitei
sibility of the customer. The manufacturer cannot assun
the manufacturer’s fault, it’s the manufacturer’s responsi
CLAIMS AGAINST THE MANUFACTURER’S WARRANTY
INCLUDES;
1. Replacement of Missing Parts on new equipment.
2. Replacement of Defective Parts within the warranty p eriod.
3. Repair of Defects within the warranty period.
MTD PRODUCTS INC • P.O. BOX 36900 • CLEVELAND, OHIO 44136
PARTS AND SERVICE POLICY (0483)
defects in workmanship and materials, defects which are NOT detected at the
I and unrestricted replacement of parts. Use and maintenance are the respone responsibility for conditions over which it has no control. Simply put, if it’s
aility; if it’s the customer’s fault, it’s the customers’s responsibility.
All claims MUST be substantiated with the following
information:
1. Model Number of unit involved.
2. Date unit was purchased or first put into service.
3. Date of failure.
4. Nature of failure.
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