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ENGLISH

13

F-031023C

6. Slide the 

auger (6) 

out of the bearing assem-

bly on the right side of the snow thrower.

7. Tip the 

auger (6) 

enough to allow the 

auger

(6) 

to slide out of the 

auger housing (5).

8. To install 

auger (6),

 reverse the above steps.

How To Replace The Spark Plug

NOTE:  This spark ignition system meets all

requirements of the Canadian Interference-

Causing Equipment Regulations.
NOTE:  This engine complies with all current

Australian and New Zealand limitations elec-

tromagnetic interference.

The spark plug is housed in the engine compart-

ment under the top cover  and cannot be seen

under normal conditions.
1.

(Figure 13) 

Open the spark plug 

access door

(1) 

on the control panel.

2. The spark plug and wire are now visible.
3. Remove the spark plug wire.
4. Clean the area around the spark plug base to

prevent dirt from entering the engine when the

spark plug is removed.

5. Remove the spark plug.
6. Check the spark plug. If the spark plug is

cracked, fouled or dirty, it must be replaced .

7.

(Figure 14) 

Set the gap between the elec-

trodes of the new spark plug at .030  inch. Next,

install the spark plug in the cylinder head and

firmly tighten. Recommended torque is 18 to

20 foot pounds.

How To Prepare The Snow Thrower For

Storage

WARNING: Do not remove gasoline

while inside a building, near a fire,

or while you smoke. Gasoline

fumes can cause an explosion or a fire.

1. Drain the fuel tank.
2. Let the engine run until it is out of gasoline.
3. Remove the spark plug from the cylinder.

Pour one ounce of oil into the cylinder. Slow-

ly pull the recoil-start grip so that the oil will

protect the cylinder. Install a new spark plug

in the cylinder.

4. Thoroughly clean the snow thrower.
5. Lubricate all lubrication points. See the Main-

tenance section.

6. Be sure that all nuts, bolts and screws are

securely fastened. Inspect all visible moving

parts for damage, breakage and wear. Re-

place if necessary.

7. Cover the bare metal parts of the blower

housing and auger with spray rust preventa-

tive lubricant.

8. Put the unit in a building that has good ven-

tilation.

9. If the machine must be stored outdoors,

block up the snow thrower to be sure the en-

tire machine is off the ground.

10.Cover the snow thrower with a suitable pro-

tective cover that does not retain moisture.

Do not use plastic.

How To Order Replacement Parts

The replacement parts are shown either on the

back pages of this Instruction Book or in a

separate Parts List Book.
Use only manufacturer’s authorized or approved

replacement parts. The letter placed on the end

of the part number denotes the type of finish for

the part, C for chrome, Z for zinc, a PA for

purchased assembly. It is important that you

include this when ordering a part. Do not use

attachments or accessories not specifically

recommended for this unit. In order to obtain

proper replacement parts you must supply the

model number (see nameplate).
Replacement parts, except for the engine,

transmission, transaxle or differential, are

available from the store where the product was

purchased, a service shop recommended by the

store or from a “Murray, Inc. Central Parts

Distributor” listed on the back page of this

Instruction Book.
If you are unable to obtain parts or service in the

manner outlined above, then contact: 

USA - MURRAY, INC.

Outdoor Power Equipment

Customer Service Department

P.O. Box 268

Brentwood, Tennessee  37027

1-800-251-8007

CANADA - MURRAY CANADA, INC.

Factory Customer Service

1195 Coutneypark Drive East

Mississauga, Ont. L5T-1R1

1-800-661-6662 Collect telephone calls will not

be accepted.
Replacement parts for the engine, transaxle, or

transmission, are available from the

manufacturer’s authorized service center found

in the yellow pages of the telephone directory.

Also, see the individual engine or transmission

warranties to order replacement parts.
When ordering the following information is

required: 

(1) The Model Number

(2) Serial Number

(3) Part Number

(4) Quantity

Summary of Contents for 621450X4NB

Page 1: ...SAFETY ASSEMBLY OPERATION AND MAINTENANCE Lisez et conservez ce manuel pour r f rence Ce manuel contient des informations importantes concernant la SECURITE LE MONTAGE L UTILISATION ET L ENTRETIEN In...

Page 2: ...la prise en compte des pr cautions mentionn es ci dessus clause 4442 du California Public Resources Code D autres tats peuvent pr senter des lois similaires Les lois f d rales s appliquent sur les ter...

Page 3: ...3 F 031023C 1 1 1 2 2 2 3 5 8 15 11 14 12 12 9 10 1 1 2 2 3 4 5 2 1 3 3 1 5 2 2 4 5 6 7 6 14 15 16 14 14 14 17 17 17...

Page 4: ...4 F 031023C 7 2 1 3 1 8 3mm 4 5 8 2 1 9 3 4 4 5 6 10 1 2 3 4 4 11 12 3 5 1 1 4 3 2 6 5...

Page 5: ...5 F 031023C 13 14 1...

Page 6: ...ty is given in lieu of all other expressed and implied warranties including the implied warranty of merchantability and warranty of fitness for a particular purpose If you need additional information...

Page 7: ...or Reverse Engage Ignition Key Insert To Run Pull Out To Stop Fuel Oil Fuel Oil Mixture Discharge DOWN Discharge UP Discharge LEFT Discharge RIGHT KGS KGS Weight Transfer Lift Handle To Engage Weight...

Page 8: ...plug thoroughly inspect snow thrower for any damage and repair the damage before re starting and operating the snow thrower 6 If the unit should start to vibrate abnormally stop the engine motor and c...

Page 9: ...er s instructions for the type of fuel and oil to use Before you use the unit read the information on safety opera tion maintenance and storage How To Mix The Fuel Mixture The two cycle engine used on...

Page 10: ...hen inside an enclosure do not fill the fuel tank Before you add the fuel mixture stop the engine Let the engine cool for several minutes Figure 4 Fill the fuel tank 3 to the full posi tion with a fre...

Page 11: ...el itself forward when the handle is raised enough to cause the auger blades to contact the ground The auger should stop when auger control bar is released If it does not stop see How To Ad just The A...

Page 12: ...and the outer di ameter of the worm gear 5 4 Tighten the nuts 1 How To Adjust The Auger Control Cable The auger control cable are adjusted at the fac tory During normal use the auger control cable can...

Page 13: ...breakage and wear Re place if necessary 7 Cover the bare metal parts of the blower housing and auger with spray rust preventa tive lubricant 8 Put the unit in a building that has good ven tilation 9 I...

Page 14: ...fresh fuel Excessive vibration Loose parts damaged impeller Stop engine immediately and disconnect spark plug wire Tighten all bolts and make all necessary repairs If vibration continues have the unit...

Page 15: ...stipul e ou tacite ceci incluant la garantie tacite de commerciabilit et la garantie de fonctionnalit pour une t che d finie Si vous souhaitez recevoir des informations suppl mentaires concernant cett...

Page 16: ...eur Ins rer pour mettre en marche retirer pour arr ter Carburant huile M lange essence huile D versoir ABAISSE D versoir LEVE D charge gauche D charge droite KGS KGS Transfert de poids Lever la manett...

Page 17: ...z soigneusement le chasse neige afin de v rifier s il y a des d g ts S il est endommag r parez le avant de d marrer et de le faire fonctionner nouveau 6 Si la machine vibre anormalement coupez le mote...

Page 18: ...iser la machine lire les informa tions concernant la s curit le fonctionnement l entretien et le remisage Composition du m lange Le moteur deux temps utilis sur ce chasse neige requiert l utilisation...

Page 19: ...e d marrer ou de r parer le moteur se familiariser avec le chasse neige Pren dre soin de bien comprendre la fonction et l emplacement de toutes les commandes 2 Veiller ce que toutes les fixations soie...

Page 20: ...e pas tenter de retirer de la neige ou des d bris s tant coinc s dans le ch ssis de la fraise sans prendre les pr cautions suivantes 1 D brayer le levier d entra nement de la fraise 5 2 Retirer la cl...

Page 21: ...vercle sup rieur 3 inver ser les tapes pr c dentes Lubrification Avant de ranger le chasse neige Figure 5 1 Retirer le couvercle sup rieur 3 Pour cela voir le paragraphe pr c dent Retrait du couvercle...

Page 22: ...neige pour le remisage DANGER ne pas retirer l essence l int rieur d un b timent pr s d un feu ou en fumant une cigaret te Les gaz mis par l essence peuvent pro voquer une explosion ou un incendie 1...

Page 23: ...mplir avec de l essence neuve Vibration excessive pi ces d viss es impulseur endommag Arr ter le moteur imm diatement et d brancher la bougie Serrer tous les boulons et effectuer les r paration n cess...

Page 24: ...24 F 031023C...

Page 25: ...25 F 031023C Parts List Model 621450x4NB Liste de pi ces Mod le 621450x4NB...

Page 26: ...ENGINE 11 SCREW 5 16 18 X 75 180077 12 WASHER SPTLK 018X16 14 FLATWASHER 71071 25 BELT GUIDE 313440 28 SCREW 5 16 18X1 00 710312 33 SPRING IDLER BRAKE 339017 40 IDLER BRAKE ARM 1501013 41 BOLT 333594...

Page 27: ...ASHER HVSPTLK 71063 92 NUT 3 8 16 REGHEX 71044 100 BRACKET GAS TANK 333749E701 101 SCREW 1 4 20X 75 302628 102 NUT 1 4 20 REGHEXCTRLK 73826 107 SCREW 1 4 20X 75 302628 108 WASHER FLAT 71067 109 NUT 1...

Page 28: ...MODEL 621450x4NB REPAIR PARTS 28 F 031023C HANDLE ASSEMBLY 342436 REF RIGHT FRAME REF LEFT FRAME REF ENGINE BOLT...

Page 29: ...313471 750 HANDLE LOWER 333909E701 751 SCREW 1 4 20X1 25 313674 752 WASHER FLAT 281X 63X 065 71067 753 NUT 1 4 20 REGHEXCTRLK 73826 755 BRACKET CABLE 761486E701 756 BOLT 375X 375 1 4 20 712234 757 PU...

Page 30: ...20X 75 302628 493 NUT CNTRLK 1 4 20 15X143 510 BEARING FLANGE 577023 511 SCREW 1 4 20X1 00 710263 512 WASHER FLAT 281X 63X 065 71067 513 NUT CNTRLK 1 4 20 15X143 520 AUGER ASSY 327072 520 2 BLADE AUG...

Page 31: ...CREW 10X 50 711752 582 GUIDE CHUTE 577021 583 DONUT FOAM 762173 590 CHUTE ASSY 762222 591 SCREW 1 4 20X 50 302628 592 NUT 1 4 20 15X143 602 BOLT 5 16 18X1 25 CARR 302843 603 WASHER FLAT 71071 604 KNOB...

Page 32: ...0x4NB REPAIR PARTS 32 F 031023C WHEELS 334309 Key No Description Part No 650 AXLE SHAFT 313678 651 WASHER FLAT 391X1 00X1 25 583409 660 TIRE RIM 760713 661 WASHER FLAT 391X1 00X 125 583409 662 RING RE...

Page 33: ...0x4NB REPAIR PARTS 33 F 031023C ELECTRIC STARTER 313974 Key No Description Part No 15 RETAINER 57569 16 SCREW 8 32X3 00 311633 17 WASHER FLAT 188X 38X 040 414106 18 NUT 8 32X3 00 271163 930 CORD EXTEN...

Page 34: ...13431 854 ASSY CHUTE CRANK 340186 855 WASHER FLAT 406X 81X 066 71072 856 KNOB SLEEVE 57082 857 NUT PUSH 331532 858 BOLT 1 4 20X 63 CARR 340715 859 WASHER FLAT 344X 69X 065 71071 860 WASHER 31X 58X 08...

Page 35: ...GOMMET WASHER 57587 131 KNOB T 333643 140 SWITCH IGNITION 56992 141 WASHER 313683 142 NUT 5 8 32 300193 143 KEYS RING 49643 145 PRIMERBULB 54601 146 HOSE PRIM 9 50LG 335507 147 NUT 1 4 20 REGHEXKEPS...

Page 36: ...s Bannock Bearlake Bingham Blaine Booneville Butte Camas Caribou Cassia Custer Franklin Fremont Gooding Jefferson Jerome Lemhi Lincoln Madison Minidoka Oneida Power Teton Twin Falls Montana all counti...

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