MTD 246-680A User Manual

Page 1
Owner's Operating
Service Instruction
10*
Manual
• ASSEMBLY
• OPERATION
• REPAIR PARTS
Model Nos.
MTD PRODUCTS INC
PRINTED IN U.S.A.
5389 WEST 130t)i STREET •
P. 0. BOX 2741 CLEVELAND OHIO 44111
FORM NO. 770-6144.
Page 2

I M P O R T A N T

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 manua,! carefully. Be thoroughly familiar with the controls
and proper use of the power vacuum.
2. Never allow children to operate this power vac
uum.
3. Keep the area of operation clear or 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 rea son.
7. If the power vacuum should start io vibrate ab normally, stop the engine and check immediately
for the cause. Vibration is generally a warning of trouble.
8. Before cleaning, repairing or inspecting make cer tain 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 posi tion.
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 at tempting 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 tfieir 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.
Page 3
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 pro vided.
16. Engage and disengage control lever, check for free pivoting action. It may be necessary to read just the control rod.
OPERATION
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 hous
ing 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.
NOTE
Cable clip must be assembled to lower handle with the open end towards the engine. This will prevent wear to the
bag.
1. Service engine with gas and oil. See engine man ual packed with lawn mowet for complete instruc tions 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 instruc tions), start engine in the following manner.
PUSH MODEL
1. Move throttle control lever on engine to START po sition.
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 en
gine to STOP position.
6. If carburetor needs adjustment to start or for oper
ation, see "Carburetor Readjustment" section.
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 left hand side.
15. Fasten control lever in position with hex screw and
two hex nuts provided.
SELF PROPELLED MODEL
1. Place drive engagement lever in the neutral posi tion (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.
Page 4
246-670A 246-680A
IF YOU WRITE TO US ABOUT THIS AliTICLE
OR IF YOU ORDER REPLACEMENT PARTS AL
WAYS MENTION THIS MODEL & SERIAL NO
MODEL
cape located on the uppe/ right
hand side. This should be open when the bag becomes half full.
FIGURE 1. EXPLODED VIEW OF UPPER HANDLE
Page 5
PARTS LfST FOR MODEL 246-670A AND 246-680A
REF. NO.
PART
NO.
1 720-0142 2 710-0606
COLOR
CODE
DESCRIPTION
Grip (246-680A) HexScr. 1/4-20x1.50” Lg.*
(246-680A) 3 711-0596 4
736-0108
Control Rod (246-680A) FI. Wash. .510” I.D. X .75”
O.D. (246-680A) 5 711-0179 6 712-0107
Adj. Ferrule (246-680A) Hex Center L-Nut 1^-20 Thd.
(246-680A) 7 736-0173
Flat Wash. .28” I.D. x .75”
O.D.X.063 8 710-0289 Hex Scr. 1/4-20 X.50” Lg.*
731-0212
9
10
12262
1112710-0106
12234 13 712-0107 1415764-0127
12104
712-0107
16 17
11609
Air Duct Air Duct Liner
Hex Scr. 1/4-20 X1.25” Lg. *
Upper Handle
Hex Center L-Nut V4-20 Thd.
Vacuum Bag Deflector Hex Center L-Nut V4-20 Thd. Throttle Control Assy.—
Comp. (246-680A)
710-0606
18 1920748-0210
12226
2122746-0229
Hex Scr. 1/4-20x1.50” Lg.* Spacer (246-680A) Control Lever (246-680A)
Conduit and Wire (246-680A
Only)
07470
Throttle Control—Knob
(246-680A)
731-0344
23 24
11598
Plastic Label (246-680A)
Throttle Control Ass’y-
(246-680A)
NEW PART
N
NOTE: This instruction manual covers various
models and all accessories shown do not neces sarily apply to your model vacuum.
(463—Top Flite Red)
When ordering parts, if color or finish is important use
the appropriate color code shown above (e.g. Top Flite
Red Finish—12236 (463).)
The engine is NOT under warranty by the vacuum
manufacturer.
If repairs or service is needed on the engine, please contact your nearest authorized en gine service outlet. Check the "Yellow Pages" of your tele phone book under "Engines
—Gasoline."
*For faster service obtain standard nuts, bolts, and washers locally. If these items cannot be obtained lo
cally, order by part number and size as shown on parts list.
FMMfMtiallw
Page 6
246-670A
246-680A
NOTE;
Cable clip must be assembled
to lower handle as shown, with open end towards the engine.
Page 7
PARTS LIST FOR FIGURE 2
PART
REF. NO.
1
710-0258 736-0329
3
712-0116
4
736-0117
5 714-0127 6 754-0176 7
710-0938 711-0614
8
756-0194
9 10 12206 11 732-0157 12 712-0429
13 738-0140 14 711-0596
12231
15 16 712-0429
17
12213
732-0237 Compression Spring 63 710-0118
18
714-0474
19 20 736-0300
l21 714-0137
22 12216
711-0594
23
720-0132
24 25 12208
732-0231
26
712-0107
27
12240
28
748-0161
29
748-0164
30
736-0116
31 32 716-0115
756-0195
33 34 736-0160
748-0742
35
710-0136
36
12241 —463 Pivot Brkt. Ass’y.—L. H.
37
714-0115
38 39 736-0116
12217 —463
40 41
734-0225 42 748-Ò176 43 736-0116
714-0115
44
712-0107
■45 736-0329
46
12227
47
48 710-0118
NO.
COLOR
CODE
Cotter Pin 1/16” Dia. X.75”
Idler Pulley (246-680A) (246-680A) Idler Brkt. Ass’y. (246-680A) Spring .38” O.D. (246-680A) Hex Ins. L-Nut 5/16-18Thd. 59
Shoulder Bolt .437” Dia. x (246-680A) Control Rod (246-680A) (246-680A)
Shifting Finger(246-680A) Hex Ins. L-Nut 5/16-18 Thd. (246-680A)
—463
Cotter Pin 1 /8” Dia. x .75” Fi.-Wash. (246-680A)
Hi-Pro-Key3/16”x 3/4” Dia. Shifting Yoke Ass’y. Shifting Fork Rod (246-680A)
Grip Index Handle Ass’y. Torsion Spring Hex Center L-Nut V4-20 Thd.
—463 Pivot Brkt. Ass’y.—R.H.
Sprocket 10 Teeth (246-680A) Fl.-Wash. (246-680A)
Drive Pulley (246-680A) Fl.-Wash. (246-680A)
Flange Bearing (246-680A) HexScr. 1/4-20x1.75” Lg.*
Cotter Pin 1/8” Dia. X 1.00” 85 Fi.-Wash.
Front Axle Ass’y. Front Wheel Ass’y.—Comp.
Fl.-Wash.
Cotter Pin 1/8” Dia. X 1.00”
Hex Center L-Nut 1/4-20 Thd. L-Wash. 1/4” Scr.* (246-680A)
—463
Bearing Support Brkt.
Hex Scr. 5/16-18 X .75” Lg.
DESCRIPTION
HexScr. 1/4-20 X .62” Lg.*
(246-680A) (246-680A)
Spring L-Wash. 1/4” Scr.*
(246-680A) (246-680A)
Hex Ins L-Nut 3/8-24 Thd.
(246-680A)
FI.-Wash. (246-680A)
(246-680A) 53 736-0329
“V”-Belt 1/4X 22.76” Lg.
(246-680A)
Set Scr. 1/4-28 X.25” Lg. (246-680A)
(246-680A) 56 736-0119
P.T.O. Sheave (246-680A)
(246-680A) .180 (246-680A)
(246-680A)
Pivot Brkt. Ass’y. (246-680A)
(246-680A) Lg.*(246-680A)
X1.062” Lg. (246-680A)
(246-680A)
Ciutch Collar(246-680A)
Snap Ring for .625” Dia.
(246-680A)
Lg.*
Flange Bearing .630” I.D.
Lg.* (246-680A)
(246-680A)
(246-680A)
NEW PART
MOD
REF. NO.
49 50 12211
51 736-0119
52 710-0118
54 55
57 710-0258 58
60 714-0126 61 62 713-0723
64 736-0119 65 66 736-0119 67 12224 68 12200 —463 69 70 736-0116 71 710-0258 HexScr. 1/4-20X.62” Lg.^ 72 736-0211 73 75 710-0118 76 77 712-0287
78 79
EL 246-670A and 246-680A
NO.
COLOR
CODE
—463
—463
DESCRIPTION
L-Wash.5/i6” Scr.* Gear Box Mtg. Brkt. Ass’y. L-Wash. 5/16” Scr.*
(246-680A)
Hex Scr. 5/16-18 X.75” Lg.*
(246-680A) L-Wash. 1/4” Scr. * (246-680A) Gear Box Brace (246-680A) Hex Nut 5/16-18 Thd.*
L-Wash. 5/16” Scr. (246-680A) HexScr. V4-20x.62”Lg.*
Hex Wash. Hd. F-Tapp Scr. #8
-32 X .38” Lg. (246-680A)
Gear Box Breakdown See Ref.
No’s. 86 through 94 #9 Hi-Pro-Key 3/16” x 3/4” Dia. Chain #41 x61 Links #41 Master Link Va” Pitch
Type II (246-680A) Hex Scr. 5/16-18 X.75” Lg.* L-Wash. 5/16” Scr.* Hex Nut 5/16-18 Thd.*
L-Wash. 5/16” Scr.*
Index Plate Ass’y. Engine Mtg. Frame Ass’y. Hex Flange Bearing .630” I.D. Fl.-Wash.
Fl.-Wash. Rear Wheel Ass’y. Comp. HexScr. 5/16-18 X.75” Lg.* L-Wash. 5/16” Scr.* Hex Nut 1/4-20 Thd.*
(246-680A) L-Wash. 1/4” Scr.* (246-680A) HexScr. 1/4-20X .62” Lg.*
(246-680A)
Chain Guard (246-680A)
Hex Center L-Nut V4-20 Thd. Cable Clip Rear Axle (246-680A)
(246-680A) Hex Center L-Nut V4-20 Thd.
#2 Woodruff Key 3/32 x 1/2
Dia. Hdn. (246-680A)
Pinion Gear .50” I.D. x 14
Teeth (246-680A) Drive Shaft (246-680A)
1.25 (246-680A)
Bevel Gear .62” I.D. 28 Teeth
(246-680A)
Gear Box Cover (246-680A)
Flange Bearing .630”. I.D.
(246-680A)
Gear Box (246-680A)
Flange Bearing .503” I.D.
(246-680A)
HexScr. 5/16-18X 1.50 Lg.*
PART
736-0119
12222 712-0267
710-0148
713-0118
712-0267
748-0227
734-0576,
736-0119
736-0329 710-0258
12232
80 81 712-0107 82
746-0128
83 738-0185
717-0284 Differential Ass’y. Comp.
84 12233 Lower Handle
712-0107
86 714-0229 87
748-0136
88 711-0593 89 715-0246 Spring Pin Spirol 3/16” Dia. x
90
748-0135
91 08187 92
748-0110
93 08189
748-0108
94 95 710-0442
PART
Page 8
246-670A
246-680A
FIGURE 3. EXPLODED VIEW OF DRIVE ASSEMBLY
Page 9
PARTS LIST FOR MODEL 246-670A AND 246-680A
REF.
NO.
1
2 3 4 5 6 7 8 9
10
11
12 13
PART
NO.
710-0106 HexScr. 1/4-20x1.25” Lg.* 714-0108
714-0114 712-0267 Hex Nut 5/16-18” Thd.* 736-0119 11452 721-0128
12203 12230 12236 731-0211 Nozzle 736-0159
COLOR CODE
DESCRIPTION
Part of Engine Woodruff Key (246-680A) Sq. Key 1/4” X 2.00” Lg.
L-Wash.5/16”Scr.*
-463
Hopper to Engine Mtg. Piate Gasket Strip—Pressure Sen.
-463 Vane Plate Ass’y.
-463
Air Vane
-463 Blower Housing Ass’y. FI.-Wash. .344” I.D. x .88”
O.D. X .063
14 15
712-0254 710-0239
Thumb Nut 5/16-18 Thd.
Hex Scr. 3/0-24x1.75” Lg.
H.T. 16 736-0217 17 712-0107 18 736-0211
L-Wasb. 3/8” Scr. Heavy Duty Hex Center L-Nut V4-20 Thd. Fl.-Wash. .285” I.D. X 1.25”
O.D. X.060
19 721-0129
712-0241
20
21 736-0217
22
710-0118 23 736-0119 24
736-0119 L-Wash. 5/16” Scr.*
Dust Pad—Pressure Sensitive Hex Nut 3/8-24” Thd.* L-Wash. 3/8” Scr. Heavy Duty Hex Scr. 5/16-18X .75” Lg.* L-Wash. 5/16” Scr.*
25 710-0409 Hex Scr. 5/16-24x1.75” Lg.* 26
711-0591 Engine Spacer 27 28
29 30
736-0119
712-0267
12228
L-Wash. 5/16” Scr.* Hex Nut 5/16-18 Thd.* Engine Handle Brace
NEW PART
NOTE: This instruction manual covers various
(463—Top Flite Red) When ordering ports, if color or finish is important use
the appropriate color code shown alcove (e.g. Top Flite Red Finish—12236 (463).)
models and all accessories shown do not neces sarily apply to your model vacuum. The engine is NOT under warranty by the vacuum manufacturer.
If repairs or service is needed on the engine, please contact your nearest authorized en gine service outlet. Check the "Yellow Pages" of your tele phone book under "Engines
—Gasoline."
FMMfMtMtiM
*For faster service obtain standard nuts, bolts, and washers locally. If these items cannot be obtained lo
cally, order by part number and size as shown on parts list.
Page 10
PARTS LIST FOR FIGURE 4 MODEL 246-680A
REF. NO.
1 719-0159 2 738-0217 3 738-0218 4 748-0185 5
6 7 8 9
10
PART
Na
748-0158 711-0261
736-0187 736-0188 09054 715-0247
COLOR CODE
DESCRIPTION
Housing Half (1)
Shaft—Short (1)8.31” Lg.(1) Shaft—Long (1) 15.38” Lg. (1) Gear—Double “D” Hole (2) Gear—Round Hole (2)
Drive Pin (1)
Flat Washer (2)
Washer (2)
Sprocket 40 Tooth (1) Spirol Rn3/16” Dia. xl.OO”
Lg.*(2)
11
710-0526
Hex Hd. Cap Scr. 5/16-24 x
4.00” Lg.*(4)
12 712-0237 13
719-0150
14
715-0123
Hex Locknut 5/16-24 Thd. (4)
Housing Half (1)
Dowel Pin 3/16” Dia. X.62”
Lg. (2)
15
736-0119
Spring Lockwasher5/16”
Scr.* (8) 16 17
748-0169 737-0120
Flange Bearing (2) Grease—High Temp. 450 F.
(2oz.)
*For faster service obtain standard nuts and bolts locally. If these items
cannot be obtained locally, order by part number and size as shown
on the parts list.
10
NEW PART
Page 11
POWER EQUIPMENT PARTS AND SERVICE
mRTS INFORMATION
BRIGGS & STRATTON, TECUMSEH AND PEERLESS PARTS AND SERVICE
Ports and service for oil MTD manufactured power equipment are available through the authorized service firms listed below. All orders should specify the model number of your unit, parts numbers, description of parts and the quantity of each port required.
ALABAMA BIRMINGHAM
Auto Electric & Corburator Co...2625 4th Ave. S
ARKANSAS NORTH LITTLE ROCK
Sutton's Lawn Mower Shop
Mity Mite Motors, Inc;
CALIFORNIA SAN BERNARDINO
Lawn Mower Supply Co
J.W. Jewett Co
Luttig 8> Severson
COLORADO DENVER
South Denver Lawn Equip
CONNECTICUT SUFFIELD
The Jones 8i Ramsey Co
FLORIDA JACKSONVILLE
Rodeo Distributors .....................2403 Market St
MoZ'AII of Florida, Inc
GEORGIA EAST POINT
East Point Cycle & Key
ILLINOIS LYONS
Keen Edge Co
INDIANA ELKHART
Ports 8i Sales Inc
Brown Equip. Dist., Inc
IOWA DUBUQUE
Power Lawn & Garden Equip. .2551 J.F. Kennedy —52001
KANSAS WICHITA
Hixon, Inc
LOUISIANA NEW ORLEANS
Suhren Engine Co
MARYLAND ТАКОМА PARK
Center Supply Co
MASSACHUSETTS SPRINGFIELD
Morton B. Collins Co
MICHIGAN MOUNT CLEMENS
Power Equipment Dist
Lorenz Service Co
MINNESOTA MINNETONKA
Hance Distributing Inc
MISSISSIPPI BILOXI
Biloxi Soles 8i Service, Inc.—506 CaillavetSt
MISSOURI KANSAS CITY
Automotive Equip. Service
Henzier, Inc................................ 2015 Lemoy Ferry Rd. 63125
NEBRASKA OMAHA
R.P.W., Inc
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FORT SMITH
....
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SAN FRANCISCO SACRAMENTO
...................
CORAL GABLES
................
............
CORYDON
..............
.................
...............
LANSING
................
ST. LOUIS
Rt. 4, Box 368 2515 Towson Ave
25608 E. Baseline .... 92410
981 Folsom St 2030 28th St
........
527 West Evans
..........
850 Thompsonvi Me Rd. 06078
365 Greco Ave
2834 Church St.............30344
8615 Ogden Ave
2101 Industrial Pkwy. ..46514
110 Beech St
3030 Mascot
8330 Eorhart Blvd
6867 New Hampshire Ave. 20012
300 Birnie Ave
36463 South Urotiot... 48043
2500 S. Pennsy I vania .. 48900
11212 Wayzata Blvd. ..55343
.........
3117 Holmes St
7402 "L" St
..............
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................
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..........
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..............
........
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...................
............
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35233 72117 72901
94107
95818
80223
32206
33146
60534
47112
67204
70118
01107
39533
64109
68127
Briggs 8t Stratton, Tecumseh and Peerless ports an service should be handled by your nearest authorized engine service firm. Check the yellow pages of your telephone directory under the listing Engines
Gasoline, Briggs & Stratton or Tecumseh Lauson
NEW YORK CARTHAGE
Gamble Dist., Inc
Kimber's, Inc...............................115 N. Geddes St
Henry W. O'Neil & Associates ..410 N. Goodman St. ...14609
NORTH CAROLINA GREENSBORO
Dixie Sales Company
Smith Hardware Co
OHIO WADSWORTH
National Control
Bleckrie, Inc................................ 7900 Lorain Ave
Stebe's Mid-State Mower Supply Box 366 Sunshine Wholesale Tire Outlet Route 224
McClure Lawn & Garden Supply...1114 Lexington Ave. . 44903
OKLAHOMA MUSKOGEE
Victory Motors, Inc......................605 S. Cherokee
Ada Auto Supply
OREGON PORTLAND
Kenton Supply Co
PENNSYLVANIA LANCASTER
Raub Supply Co Bluemont Co
TENNESSEE KNOXVILLE
Master Repair Service Memphis Cycle & Supply Co
American Sales & Service, Inc.. 1922 Lynnbrook
TEXAS DALLAS
Marr Brothers, Inc...................... 423 E. Jefferson
Bullard* Supply Co Cotto & Putty, Inc Woodson Sales Corp
UTAH SALT LAKE CITY
A-1 Engine 8t Mower Co
VERMONT BURLINGTON
Vermont Appliance Co
VIRGINIA RICHMOND
RBI Corp
WASHINGTON SEATTLE
Bailey’s Rebuild, Inc
WEST VIRGINIA CHARLESTON
Young's, Inc
WISCONSIN APPLETON
Automotive Supply Co
.......................
SYRACUSE ROCHESTER
................
GOLDSBORO
....................
.........................
CLEVELAND CARROL WILLARD MANSFIELD
ADA
........................
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........................
PITTSBURGH
............................
..............
MEMPHIS
HOUSTON
....................
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................................
.....
SAN ANTONIO FORT WORTH
.................
............
................
................
West End Ave
327 Battleground Ave.. 27402
515 N. George St
687 Seville Rd. ........... 44281
301 E. 12th St.............. 74820
8216 N. Denver Ave. . 97217 James & Mulberry Sts...17604 11125 Frankstown Rd.. 15235 2423 Broadway, N.E. ..37917
421 Monroe Ave
2409 Commerce St
P.O. Box 2408
1702 N. Sylvania
437 E. 9th St
44 Lakeside Ave
963 Myers St
1325 E. Madison St. ...98102
233 Virginia St., E. ...25301
123 S. Linwood Ave. ..54911
______________
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.......
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......
................
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13619
13204
27530
44102
43112
44890
74401
S8103 38117
75203 77003 78206
.76111
84111
05401
23260
WARRANTY PARTS AND SERVICE POLICY
The purpose of warranty is to protect the customer from defects in workmanship and materials, defects which are NOT detected
at the time of manufacture. It does not provide for the unlimited and unrestricted replacement of ports. Use and maintenance are the responsibility of the customer. The manufacturer cannot assume responsibility for conditions over which it has no control. Simply put, if it's the manufacturer's fault, it's the manufacturer's responsibility; if it's the customer's fault, it's the customer’s
responsibi lity.
CLAIMS AGAINST THE MANUFACTURER'S
WARRANTY INCLUDES
1. Replacement of Missing Ports on new equipment. 1. Model Number of unit involved.
2. Replacement of Defective Ports within the warranty period. 2. Date unit was purchased or first put into service.
3. Repair of Defects within the warranty period. 3. Date of failure.
AH claims MUST be substantiated with the following information:
4. Nature of failure.
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