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MTD H660G - page 1
IMPORT ANT : READ SAFETY RULES AND INSTRUCTIONS CAREFULL Y MTD LLC, P .O . BOX 361131 CLEVELAND , OHIO 44136-9722 Warning: This unit is equipped with an internal combustion engine and sh ould not be used on or near any unimproved forest-covered, brush-covered or grass-covered land unless the en gine’s exhaust system is equipped with a spark arres ...
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MTD H660G - page 2
2 TABLE OF CONTENTS Content Page Important Safe Op eration Practic es .............. ............. ................ ............. ................ 3 Assembling Your Snow Thro wer ................ ............. ................ ................ ............. ... 5 Know Your Sn ow Thrower ................ ............. ................ .............. ...
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MTD H660G - page 3
3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES This symbol point s out important safety instructions , which if not followed, co uld endange r the personal safety and/or proper ty of yourself and others. Re ad and follow all instructi ons in this manua l before attempting to operate this machine. Failure to comp ly with thes e instructions may res ...
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MTD H660G - page 4
4 5. Never run an engine indoors or in a poorly ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas. 6. Do not ope rate machine while u nder the infl uence of alcohol or drugs. 7. Muffler and engine become hot an d can cause a burn. Do not touch. 8. Exercise extreme caution wh en operating on or crossing gravel surf ...
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MTD H660G - page 5
5 SECTION 2: ASSEMBLING YOUR SNOW THROWER Loose P arts The augers are secured to t he auger shaft with two shear bolts and hex lock nuts . If you hit a foreign object or ice jam, the sn ow thrower is designed so tha t the bolts may shear. Two replaceme nt shear bolts and nuts are provided for you r convenience. Store in a safe pla c e until needed. ...
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MTD H660G - page 6
6 IMPORT ANT : The cable should have very little slack, but should NOT be tight. An overt ightened cable may prohibit the auger and drive from disengaging. WARNING: Over-t ightenin g the cabl e may prohibit th e auger and drive fro m disengaging and compromise the safety of the snow thrower. Do NOT overtighten the cable. • Once properly adjusted, ...
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MTD H660G - page 7
7 Figure 7 Heated Handles Switch The heated handles s witch is located on the right side of the snow thrower hand le panel. To activate the heated handles, toggle the switch to the right to generate heat within the handles. Toggle the heated handles switch to the left into the OFF pos ition after using the snow thro wer. The heated handles are a co ...
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MTD H660G - page 8
8 SECTION 4: OPERATING YOUR SNOW THROWER Before Starting WARNING: Read, under stand, and follow all instructions and wa rnings on the machine and in this manual befor e operating. • The spark plug wire was disconnected for safety. Attach spark plug wire to spark plug before star ting. Gas And Oil Fill-up • At the factor y, a plastic cup is inse ...
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MTD H660G - page 9
9 • Push prim er button two or thre e times for cold engine start, ma king sure to cover vent hole in primer button when pushing. DO NOT use primer to restart a warm engin e after a short shutdown. • Push starter bu tton to start engine. • When engine st arts, release start er button and move choke gr adually to OFF. If e ngine falters, move ...
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MTD H660G - page 10
10 Figure 9 • Repeat Auger Control Test to verify proper adjustment has been achieved. Chute Clean-Out T ool The chute clean-out tool is co nveniently fa stened to the rear of the auge r housing with a moun ting clip (Refer to Figure 7). If the discha rge chute becomes clogged during operat ion, proceed as follows to safely clean th e chute and c ...
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MTD H660G - page 11
11 SECTION 5: MAKING ADJUSTMENTS WARNING: NEVER at tempt to make an y adjustments while the engine is running, except where sp ecified in the operator’s manual. Tire Pre ss u re ( P ne um a ti c Ti res ) • The tires are over -inflated for shipping purposes. Before operat ing, check tire pressure and reduce, if necessary, to between 15 psi an d ...
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MTD H660G - page 12
12 Shift Rod To adjust the shift r od, proceed as follows. • Remove the hairpin clip and slide the shift rod connector up , to separate the upper shift rod from the lower shift rod. See Figure 13. • Place the shift lever in to the sixth (6) posit ion. • Rotate the shift arm clockwise (from the oper ator’s position) as far as it will go. • ...
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MTD H660G - page 13
13 Both Wheels Drivi ng: Inser t the clic k pin through the hole in t he hub of the rim and th e inside hole on the snow thrower’ s r ight axle. This positio n is good f o r he avy snow as there is power drive in both wheels. IMPORT ANT : Never operate the snow thr ower with the click pin inserted throu gh both the rim and the outside hole in the ...
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MTD H660G - page 14
14 Traction Control / Auger Control Lock The cams on the ends of the control r ods which interlock the tract ion drive and auger drive controls must be lubricated at least once a season or every 25 hours of opera tion. The cams can be accessed beneath the handle panel. Use a mu lti-purpose automotive grease. SECTION 7: SERVICE WARNING: Be fore serv ...
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MTD H660G - page 15
15 Figure 20 • Roll the front and rear aug er belts off the engine pulley. See Figure 21. Figure 21 • Unhook the idler spr ing from the hex bolt on the auger housing. See Fig ure 22. • Back out the stop bolt to allow the belts to slip between the bolt and au ger pulley. See Figure 23. NOTE: I t may be necessary to loosen the six hex nuts that ...
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MTD H660G - page 16
16 Changing Friction Wheel Rubber The rubber on the fr iction wheel is subject to wear and should be checked after 25 hours of operation, and periodically therea fter. Replace the friction wheel rubber if any signs of wear or cracking are found as follows: • Drain the gasoline fr om the snow thrower, or place a piece of plastic un der the gas cap ...
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MTD H660G - page 17
17 NOTE: Fuel stabilizer is an a cceptable alternative in minimizing t he formation of fuel gum de posits durin g storage. Do not drain carburetor if using fuel stabilizer. • Wipe equipment with an oiled rag to prevent rust. • Remove spark pl ug and pour one ounce of engi ne oil through spark plug hole int o cylinder. Cover spark plug hole with ...
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MTD H660G - page 18
18 SECTION 10: PARTS LIST 14 10 2 14 12 16 3 20 60 63 67 65 55 54 8 17 11 22 21 18 4 1 11 15 19 7 48 24 31 45 9 51 40 46 47 53 59 29 68 69 69 27 82 70 72 72 73 27 68 71 74 27 56 76 77 78 79 11 15 75 81 27 83 80 13 13 57 58 58 66 62 5 5 38 35 39 9 43 26 25 31 40 41 9 50 11 24 52 28 37 9 49 61 64 23 ...
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MTD H660G - page 19
19 Model H660G Ref. No. Pa r t N o. Pa r t D e s c r i p ti o n 1. 684-0008A Shift Arm Assembly 2. 710-0458 Carriage Bolt 5/16-18 x 1.75” 3. 710-0449 Carriage Bolt 5/16-18 x 2.25” 4. 710-0788 TT Screw 1/4-20 x 1” 5. 710-0837 C-Sunk Screw #10-16x 0.625” 7. 710-1880 Hex Screw 5/16-18 x.75” 8. 711-0677 Ferrule 9. 712-0429 Hex Lock Nut 5/16-1 ...
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MTD H660G - page 20
20 Model H660G 30 30 2 3 4 4 5 5 6 4 7 7 8 9 10 11 12 1 5 13 14 15 16 17 18 1 19 30 41 22 23 24 25 26 28 29 43 1 1 31 32 33 34 8 35 Drive Clutch Cable Auger Clutch Cable 36 1 37 38 39 40 27 42 21 Auger Clutch Cable 44 45 20 46 47 48 49 50 51 51 ...
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MTD H660G - page 21
21 Model H660G REF . NO . PA R T NO . DESCRIPTION 1 710-1652 Self-tapping Screw , 1/4-20 x.625 2 784-56 88 Drive Cable Guide Brac ket 3 784-56 87A Auger Clutch Cable Brack et 4 756-06 25 Cab le Roller 5 738-0924 Hex Scre w 1/4-28 6 784-5630B Frame Assemb ly 7 741-0563 Ball Beari ng 8 736-0105 Bell W asher 9 712-01 16 Loc k J am Nut 10 741-04 026 He ...
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MTD H660G - page 22
22 2 3 4 5 6 7 8 9 10 11 12 14 15 9 10 9 18 19 20 21 22 13 25 22 26 27 28 13 30 18 9 33 9 18 35 36 38 39 41 40 42 37 40 39 34 16 13 REF . NO . PA R T NO . DESCRIPTION 1 712-0 116 Lock J am Nu t 3/8-24 2 756-0 178 Flat Idler 3 784-5 632B A uger Idler Arm 4 710-0 459A He x Cap Screw 3/8-24 x 1.50 5 738-0 281 Shoulder Screw 6 736-0 167 Flat W ash er,. ...
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MTD H660G - page 23
23 Model H660G IMPORTANT: For a properly working machine, use Fa ctory Approved Parts. V-BELTS are specially designed to engage an d disengage safely. A substi tute (non OEM) V-Belt can be dangerous by not disengaging completely. REF . NO . PA R T NO . DESC RIPTION 1 710-1652 Hex W asher Scre w 1/4-20 x.625 2 731-1324 Belt Cov er 3 732-0710 Extensi ...
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MTD H660G - page 24
MANUF A CTURER’S LIMITED W ARRANTY FOR: The limited warranty set forth below is given by MTD LLC with respect to new merchandise purchased and used in the United States, its poss essions and territo ries. “MTD”warrants this product ag ai nst defects in material and workmanship for a period of two (2) years commen cing on the date of original ...
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