MTD 550, Snow Boss 550, Snow Boss 750

Ref.

No. Part No. Part Description

1. 618-0123 RHHousing

2. 618-0418 LHHousing w/Fitting

3. 710-0642 SelfTapping Screw, 1/4-20 x .75

4. 711-1020

711-0908 SpiralAxle, 22” (550)

SpiralAxle, 24” (750)

5. 714-0161 Hi-ProKey, 3/16 x 5/8

6. 715-0143 SpringSpirol Pin, .25 x 1.25

7. 717-0528 WormGear, 20-tooth

8. 717-0526 WormShaft

9. 718-0186 ThrustCollar

10. 721-0325 GreasePlug

11. 721-0327 GreaseSeal

12. 736-0351 FlatWasher, .76 x 1.5 x .030

13. 736-0369 FlatWasher, .508 x 1.0 x .020

14. 736-0445 FlatWasher, .76 x 1.5 x .060

15. 741-0662 FlangeBearing, .75 x 1.0 x .59

16. 741-0663 FlangeBearing, .503 ID x .75 OD

17. 618-0413

618-0414 GearAssy Complete, 22” (550)

GearAssy Complete, 24” (750)

18. 737-3000 GreaseFitting, 3/16” Drive

— 737-0168 Grease(Two Ounces)

Models 550 & 750

Contents

Main IMPORTANT:Read safety rules and instructions carefully before operating equipment. WHITE OUTDOOR PRODUCTS COMPANY.P.O.BOX 361131 CLEVELAND, OHIO 44136-9722 Snow Boss 550 Operators Manual TABLE OF CONTENTS FINDING MODEL NUMBER CALLING WARRANTY SERVICE 1-800-949-4483 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES DANGER: TRAINING PREPARATION OPERATION WARNING SECTION 2: LOOSE PARTS SECTION 3: ASSEMBLING YOUR SNOW THROWER AUGER SHEAR BOL TS Final Adjustments Auger Control Adjustment Skid Shoe Adjustment Tire Pressure Adjustment If the tire pressure is not equal in both tires, the unit may pull to one side or the other. SECTION 4: KNOW YOUR SNOW THROWER Traction Control / Auger Control Lock Headlight Shift Lever Forward SECTION 5: OPERATING YOUR SNOW THROWER Gas And Oil Fill-up Electric Starter To Start Engine F. To Stop Engine Do not lose ignition key. Keep it in a safe place. Engine will not start without the ignition key. To Engage Drive Use the slower speeds until you are familiar with the operation of the snow thrower. To Engage Augers SECTION 6: MAKING ADJUSTMENTS Chute Assembly Adjustment Chute Directional Control Support Bracket Adjustment Skid Shoe Adjustment Auger Control Adjustment SECTION 7: MAINTAINING YOUR SNOW THROWER Lubrication Engine Traction Control / Auger Control Lock Gear Shaft SECTION 8: SERVICE Engine Shave Plate and Skid Shoes Belt Removal And Replacement Auger Belt Loosening the six nuts that connect the frame to theau ger housing may aid in belt removal. Drive Belt The support bracket must rest on the stop bolt after the new belt has been assembled. See Figure 20. Servicing Friction Wheel Rubber Augers Off-season Storage Snow thrower shown resting on its auger housing. Wheels not shown for clarity. SECTION 9: TROUBLESHOOTING Page Page Page Page Page Page Models 550 & 750 Page AA B B Model 550 & 750 Page Page MANUFACTURERS LIMITED WARRANTY FOR: