Snapper MRP216015B Pulley Position, Transmission Poly-V Belt Replacement

Page 17

Section 4 - ADJUSTMENTS & REPAIR

WARNING

DO NOT attempt any maintenance, adjustments or service with engine and blade running. STOP engine and blade. Disconnect spark plug wire and secure away from spark plug. Engine and components are HOT. Avoid serious burns, allow sufficient time for all components to cool. Wear heavy leather gloves when handling or working around cutting blades. Blades are extremely sharp and can cause severe injury. DO NOT use a cutting blade that shows signs of excessive wear or damage.

4.4.1.Engine Drive Belt Replacement (Stretch Type Belts)

(Continued From Previous Page)

IMPORTANT: DO NOT tip machine with carburetor or spark plug down. Oil from crankcase will saturate the air filter and cause the engine to be hard to start or not start at all. If contamination does occur, the air filter will have to be replaced.

3.Remove the driven disc. Refer to Section “Replacing Rubber Driven Disc Ring” for driven disc

assembly removal procedure.

4.Tilt mower up on its rear wheels and remove blade and blade hub. Assistance from another

person may be necessary to hold mower in the tilted position.

5.Hold the slotted end of the drive disc bolt with a screwdriver and remove the nut and internal tooth

lock washer. See Figure 4.16.

6.Remove the belt cover located under deck.

7.Lift the drive disc up and remove worn belt.

8.Loop one end of new belt over engine pulley and insert the other end through slot in deck. See Figure

PULLEY POSITION

DRIVE DISC

SLOT IN END OF DRIVE DISC

BOLT

BUSHING

DECK BRACKET

(PARTIALLY SHOWN)

BOLT RETAINER

INTERNAL TOOTH

LOCKWASHER

9.Loop the belt around the pulley on the bottom of the drive disc.

10.Reinstall drive disc and retaining hardware. IMPORTANT: 1) The square shoulder of the drive disc bolt must fit into the square hole of the bushing. 2) The square end of bushing must fit into the bracket slot.

11.Reinstall belt cover and tighten bolts securely.

12.Reinstall blade hub and cutter blade. Recommended torque for blade cap screw is 30 to 40 ft. lbs.

4.4.2.Transmission Poly-V Belt Replacement

1.Remove the driven disc. Refer to Section “Replacing Driven Disc Rubber Ring” for procedure.

2.Note the routing of the old belt around the three pulleys before removing it. See Figure 4.17.

3.Place new Poly-V Belt over end of hex shaft and onto driven pulley.

4.Work belt onto top of idler pulley.

5.Twist belt sideways and pull it upward between the differential bracket and drive pulley and then down into the pulley groove. Make sure the Poly-V Belt is above belt guide. See Figure 4.17.

 

IDLER

DRIVE

PULLEY

DIFFERENTIAL

PULLEY

BRACKET

 

POLY-V

 

BELT

HEX SHAFT

 

BELT GUIDE

DRIVEN

 

PULLEY

ROUTING OF POLY-V-BELT

FIGURE 4.17

NUT

FIGURE 4.16

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Contents Steel Deck Walk Mowers M Model Series Important Safety Instructions Operation Table of Contents Nomenclature IntroductionStarting & Operation 2.2.1. Engine & Blade PRE-START Check ListStopping Handle Height AdjustmentStarting & Operation Recycling Operation Cutting Height AdjustmentOn Next Service After First 5 Hours 3.2.1. Change Engine OILCheck Grease Level in Transmission Storage Procedure Service AnnuallyCheck Mower Blade Check Engine Drive BeltNinja Blade Wear Limit Mower Blade Replacement 4.1.1. Standard Blade Wear LimitBlade Sharpening Wheel Drive Control Adjustment Cleaning Drive Disc & Driven Disc Driven Disc ServiceDrive Spring Repair/Replacement Driven Disc AdjustmentReplacing Rubber Driven Disc Ring Replacing Bearing In Driven Disc Assembly Engine Drive Belt Replacement Stretch Type Belts Belt ServicePulley Position Transmission Poly-V Belt ReplacementProblem Probable Cause Corrective Action TroubleshootingClean Sponge Element Engine Manual Service Performed EachMAINTENANCE/REPLACEMENT Parts 100Disclaimer of Warranty Year Limited WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Page Page Page Steel Deck Walk Behind Mowers M Model Series

MRP216015B specifications

The Snapper MRP216015B is a versatile and efficient lawn mower designed to provide exceptional performance for both residential and commercial gardening needs. As a part of Snapper’s trusted range of outdoor power equipment, the MRP216015B stands out for its innovative features and user-friendly technology.

One of the primary features of the MRP216015B is its robust 159cc OHV engine, which delivers reliable power and performance. This engine ensures that the mower can tackle various types of grass and terrain, making it suitable for a wide range of mowing conditions. The easy start technology allows users to get going quickly without the frustration of a traditional pull-start mechanism.

Another distinguishing characteristic of the Snapper MRP216015B is its 21-inch cutting deck. This size strikes a great balance between maneuverability and coverage, allowing users to cover large areas efficiently while still being able to navigate tight spaces. The steel construction of the deck provides durability, ensuring that the mower can withstand the rigors of regular use.

Additionally, the MRP216015B features a 3-in-1 mowing capability, enabling users to choose between mulching, bagging, or side discharge. This versatility allows for customization based on the specific needs and preferences of the user, whether they want to mulch for added fertilization or bag clippings for a cleaner finish.

The adjustable cutting height feature is another key technology that makes the Snapper MRP216015B stand out. With a simple lever adjustment, users can select from different cutting heights ranging from 1 to 4 inches. This adaptability ensures that the mower can handle different grass types and adapts to seasonal growth patterns effectively.

Comfort and convenience are paramount in the design of the MRP216015B. The ergonomic handle, equipped with cushioning, allows for extended operation without fatigue. Additionally, the foldable handle makes it easy to store the mower in smaller spaces when not in use.

In summary, the Snapper MRP216015B is a powerful, versatile, and user-friendly lawn mower. With its strong engine, durable cutting deck, and adaptable features, the MRP216015B is an excellent choice for anyone looking to achieve a well-manicured lawn efficiently and effectively.
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