MTD 615 manual

IMPOR T ANT : READ SAFETY R ULES AND INSTR UCTIONS CAREFULL Y MTD PR ODUCTS INC. P .O . BO X 368022 CLEVELAND , OHIO 44136-9722 MODELS 615 E645E E665E Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest- covered, brush-covered or grass-covered land unless the engine’s exhaust s[...]

2 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL SAFETY AND/OR PROPERTY OF YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE ATTEMPTING TO OPERATE YOUR SNOW THROWER. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY[...]

3 • If the snow thrower should start to vibrate abnormally, stop the engine and check immediately for the cause. Vibration is generally a warning of trouble. • Stop engine whenever you leave the operating position, before unclogging the collector/impeller housing or discharge guide, and making any repairs, adjustments, or inspections. Never pla[...]

4 SECTION 2: FINDING YOUR MODEL NUMBER This Operators Manual is an important part of your new snow thrower. It will help you assemble, prepare and maintain your snow thrower. Please read and understand what it says. Before you start to prepare your snow thrower for its first use, please locate the model plate and copy the information from it in thi[...]

5 SECTION 4: CONTENTS OF HARDWARE PACK La y out the hardware according to the illustration f or identification pur poses. Part numbers are shown in parentheses. (Hardware pac k may contain e xtra items which are not used on y our unit.) A ATTACHING THE HANDLES (2)Hex Bolts (A) (710-3180) (4)Lock Washers (C) (736-0119) (2) Saddle (I) (784-5599) (2)[...]

6 SECTION 5: ASSEMBLY INSTRUCTIONS IMPORTANT: After assembly, service engine with gasoline, and check oil level as instructed in the separate engine manual packed with your unit. NOTE: References to right or left side of the snow thrower are determined from behind the unit in the operating position. UNP A CKING • Remove staples or break glue on t[...]

7 ASSEMBLING THE HANDLES AND HANDLE P ANEL (Hard ware B) 1. Raise both clutch grips. 2. Lower left and right handles down through handle panel between the pivot rod and the clutch grips and attach using hardware B. See Figure 2. Figure 2 3. Do not tighten at this time. 4. Lay handle panel assembly behind snow thrower. See Figure 3. Figure 3 5. Inse[...]

8 A TT A CHING THE CLUTCH CABLES (Hard ware D) 1. Thread hex nuts (J) onto the “Z” fittings (R) (see inset,). Insert “Z” fitting into hole in clutch grips. See Figure 6. Figure 6 2. Route the left cable between engine and speed selector plate and then between handle panel and clutch lever pivot rod before threading onto the left “Z” fit[...]

9 3. Thread one hex nut (D) onto the eyebolt on the chute crank assembly until there is at least two inches of threads showing between the nut and the head of the eyebolt. See Figure 10. Figure 10 4. Place the eyebolt into the hole located half way up the left handle. Secure with cupped washer (N) (cupped side against the handle, see inset, Figure [...]

10 ADJUSTING THE SKID SHOES The space between the shave plate and the ground can be adjusted. For close snow removal on a smooth surface, raise the skid shoes into a high position on the auger housing. Use a middle or lower position when the area to be cleared is uneven. See Figure 13. Figure 13 Adjust skid shoes by loosening the four hex nuts and [...]

11 THRO TTLE CONTROL (See Figure 15) The throttle control is located on the engine. It regulates the speed of the engine. SAFETY IGNITION KEY (See Figure 15) The ignition key must be inserted in the switch before the unit will start. Remove the ignition key when snow thrower is not in use. FUEL CUT OFF V AL VE The fuel cutoff valve, located under t[...]

12 Electric Starter WARNING: The optional electric starter is equipped with a three-wire power cord and plug, and is designed to operate on 120 volt AC household current. It must be properly grounded at all times to avoid the possibility of electric shock which may be injurious to the operator. Follow all instructions carefully. Determine that your[...]

13 T O ENGA GE DRIVE 1. With the engine running near top speed, move shift lever into one of the five FORWARD positions or two REVERSE positions. Select a speed appropriate for the snow conditions that exist. Use the slower speeds until you are familiar with the operation of the snow thrower. 2. Squeeze the auger clutch grip and the augers will tur[...]

14 NOTE: If you placed plastic under the gas cap, be certain to remove it. A UGER CLUTCH ADJUSTMENT To adjust the auger clutch, refer to Final Assembly and Adjustments section on page 9. CARBURET OR ADJUSTMENT WARNING: If any adjustments are made to the engine while the engine is running (e.g. carburetor), keep clear of all moving parts. Be careful[...]

15 DRIVE AND SHIFTING MECHANISM Remove rear cover. Oil any chains, sprockets, gears, bearings, shafts, and shifting mechanism at least once a season. Use engine oil or a spray lubricant. Avoid getting oil on rubber friction wheel and aluminum drive plate. GEAR CASE The worm gear case has been filled with grease at the factory. If disassembled for a[...]

16 Figure 23 7. Unhook the support bracket spring from the frame. NOTE: It may be necessary to loosen the six nuts that connect the frame to the auger housing to aid in belt removal. 8. Lift the rear auger belt from the auger pulley, and slip belt between the support bracket and the auger pulley. See Figure 23. Repeat this step for the front auger [...]

17 7. Slide the gear shaft to the right, then slide the friction wheel assembly from the shaft. 8. Remove the six screws from the friction wheel assembly (three from each side). Remove the friction wheel rubber from between the friction wheel plate. 9. Reassemble new friction wheel rubber to the friction wheel assembly, tightening the six screws in[...]

18 SECTION 12: TROUBLE SHOOTING GUIDE Note: For repairs beyond the minor adjustments above, contact your local authorized service dealer. T rouble P ossible Cause(s) Corrective Action Engine f ails to star t Fuel tank empty , or stale fuel. Block ed fuel line. Choke not in ON position F aulty spark plug. K ey not in s witch on engine. Spark plug wi[...]

19 SECTION 13: ILLUSTRATED PARTS GEAR ASSEMBLY Ref. No. P ar t No. Description Ref. No. P ar t No. Description 1 618-0123 Housing—L.H. 11 721-0327 Seal-Oil 2 618-0124 Housing—R.H. 12 721-0328 Locktite 5699 3 710-0642 Screw 13 736-0351 W asher-Flat 4 711-1020 Spiral Axle 22" 14 736-0369 W asher-Flat 711-0908 Spiral Axle 24" 15 736-0445[...]

20 HANDLE ASSEMBLY 57[...]

21 HANDLE ASSEMBLY Ref. No. Part No. Description Ref. No. Part No. Description 1 784-5717 Control P anel Ass’y (615) 33 784-5599 Handle T ab 784-5718 Control P anel Ass’y (E645, E665) 34 720-0274 Grip 2 710-0788 He x Bolt 1/4-20 x 1.00 35 749-0910A Handle RH Black 3 705-5233 Clutch Le ver LH 36 749-0911A Handle LH Black 4 705-5234 Clutch Le ver[...]

22 BLOWER HOUSING[...]

23 Ref. No. P art No. Description Ref. No. P art No. Description 1 784-5618 Housing, Bearing 24 715-0114 Spring Pin 2 05931 Housing, Bearing 25 731-1379 Adapter , Chute 3 618-0152 Gear Assembly (22") 26 732-0611 Spring 618-0120 Gear Assemb ly (24") 27 736-0119 Loc k W asher 4 684-0052 22" Housing Assembly 28 736-0167 W asher , Flat 6[...]

24 FRAME ASSEMBLY[...]

25 FRAME ASSEMBLY †Used with 13" Wheels ††Used with 16" Wheels WHEEL ASSEMBLIES Ref. No. Part No. Description Ref. No. Part No. Description 1 618-0063 Bear ing Ass’y . 25 736-0242 W asher, Bell 2 656-0012A Ass’y ., Friction Wheel Disc 30 Lubricant 3 684-0013 Rod Shift, Wheel Driv e 31 738-0869 Axle† 4 684-0021 Br kt. Ass’y .[...]

26 ENGINE AND “V” BELTS Ref. No. P art No. Description Ref. No. P art No. Description 1 05896A Brac ket 17 736-0331 W asher—Bell 2 629-0071 Cord, Extension 18 736-0505 Washer—Flat 3 710-0117 Screw 19 748-0234 Shoulder Spacer 4 710-0157 Screw 20 748-0360 Pulley , Adapter 5 710-0230 Screw 21 754-0346 V -Belt 6 710-0342 Screw 22 754-0430 V -Be[...]

27 ENGINE AND “V” BELTS Ref. No. P art No. Description Ref. No. P art No. Description 1 05896A Brac ket-Idler 16 736-0329 W asher-Lock 2 629-0071 Cord-Extension 110V† 17 736-0331 Washer-Loc k 3 710-0117 Screw-He x 18 736-0505 W asher-Flat 4 710-0157 Screw-He x 19 736-0507 W asher 5 710-0230 Screw-He x 20 748-0234 Spacer 6 710-0342 Screw-He x [...]

MANUF A CTURER’S LIMITED W ARRANTY FOR: For TWO YEARS from the date of retail purchase within the United States of America, its possessions and territories, MTD PRODUCTS INC will, at its option, repair or replace, for the original purchaser, free of charge, any part or parts found to be defective in material or workmanship. This warranty covers u[...]