MTD 31AE663H401 - Manual

5 SECTION 2: ASSEMBLING YOUR SNOW THROWER Unpacking • Remove screws from the top sides and ends of the shipping crate. • Set panel aside to avoid tire punctures or personal injury. • Remove and discard plastic bag that covers unit. • Roll unit out of crate. • Check crate thoroughly for loose parts b...

6 • Secure the upper handle and lower handle with the two plastic wing nuts, cupped washers and carriage bolts previously removed. Attach these hardware on the lower hole in the handles. See Figure 3. NOTE: On model 633E, attach the wing nut, cuppedwasher and carriage bolt in the lower hole on the r...

7 If the spiral on the chute directional control cannnot be adjusted properly, follow the steps below: • Loosen the two hex nuts which secure the chute directional control support bracket (see Figure 8) to the snow thrower housing, beside the discharge chute. Figure 8 • Remove the hairpin clip and o...

8 • Release the auger control. The cable should be straight. Make certain you can depress the auger control against the left handle completely. • If adjustment is necessary, proceed as follows: • Loosen the jam nut and thread the cable in (for less slack) or out (for more slack) as necessary. See Fi...

9 SECTION 3: KNOW YOUR SNOW THROWER WARNING: Be familiar with all the controls and their proper operation. Know how to stop the machine and disengage them quickly. Figure 13 Traction Control The traction control is located on the right handle. Squeeze the traction control to engage the wheel drive. ...

10 Chute Tilt Control The distance snow is thrown can be adjusted by adjusting the angle of the chute assembly. Move the chute tilt control forward to decrease the distance, and towards the rear to increase the distance. Discharge Chute The angle of the discharge chute controls the distance that the...

11 • When disconnecting the power cord, always unplug from the three-prong receptacle first, and then from the snow thrower. Recoil Starter • Rotate choke knob to FULL choke position (cold engine start). • If engine is warm, place choke in OFF position instead of FULL. • Push primer button two or th...

12 SECTION 5: MAKING ADJUSTMENTS WARNING: NEVER attempt to clean chute or make any adjustments while engineis running. Chute Assembly The distance snow is thrown can be adjusted by changing the angle of the chute assembly. Refer to Chute Tilt Control on page 10. Skid Shoe The space between shave pla...

13 Drive Wheels The wheels may be adjusted for two different methods of operation. The adjustment is made by placing the click pins in one of two different holes on the right side of the unit. See Figure 16. One Wheel Driving—Insert the click pin only through the outside hole of the axle (not the ri...

14 operation, remove rear cover. Lubricate 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. Refer to Figure 14. Gear Case The gear case is lubricate...

15 Figure 21 • Unhook the idler spring from the hex bolt on the auger housing. See Figure 22. • Back out the stop bolt until the support bracket rests on the auger pulley. See Figure 23. NOTE: It may be necessary to loosen the six nuts thatconnect the frame to the auger housing to aid in beltremoval...

16 Figure 24 • Lightly tap the hex nut to dislodge the ball bearing from the right side of frame before removing the hex nut and bell washer from left end of shaft. • Move the gear shaft to the right and slide the friction wheel assembly from the shaft. • Remove the six screws from the friction whee...

17 SECTION 9: TROUBLESHOOTING Problem Cause Remedy Engine fails to start 1. Fuel tank empty, or stale fuel. 2. Blocked fuel line. 3. Choke not in ON position 4. Faulty spark plug. 5. Safety key not in ignition switch on engine. 6. Spark plug wire disconnected. 7. Primer button not being used properl...

MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by MTDPRODUCTS INC (“MTD”) with respect to new merchandisepurchased and used in the United States, its possessionsand territories. MTD warrants this product against defects in material andworkmanship for a period of t...