Snapper MR216015T 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

17

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Contents Steel Deck Walk Mowers M Model Series Important Safety Instructions Operation Table of Contents Nomenclature IntroductionPrimer Models Push & Non Commercial Self-Propelled PRE-START Check ListStarting & Operation 2.2.1. Engine & Blade Starting & Operation 2.2.2. Engine & Blade Handle Height AdjustmentChoke ModelsCommercial Only Propelling MowerRecycling 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

MR216015T specifications

The Snapper MR216015T is a versatile and powerful lawn mower designed for residential and commercial use. Renowned for its durability and performance, this model appeals to those seeking efficiency and dependability in lawn maintenance.

One of the standout features of the Snapper MR216015T is its robust 159cc Briggs & Stratton engine, which delivers reliable power for a variety of mowing tasks. This engine is designed for longevity and requires minimal maintenance, making it an appealing choice for those who prioritize ease of use.

The mower incorporates a 21-inch steel cutting deck, which not only ensures a wide cutting swath but also contributes to a professional-looking finish. The deck is engineered for durability and is complemented by a 3-in-1 cutting system, allowing users to choose from side discharge, mulching, or bagging options. This versatility ensures that mowing can be tailored to different lawn types and conditions, making it ideal for various outdoor spaces.

Another key feature of the Snapper MR216015T is its adjustable cutting height system. With six different height settings, users can easily adapt the mower to achieve the desired grass length, enhancing user control and lawn health. This feature is particularly beneficial for those with varying grass types or uneven terrains.

Ergonomics is also a focus in the design of this mower. The handle is adjustable and designed for comfort, allowing operators of different heights to operate the mower without strain. Additionally, the foldable design of the handle facilitates easy storage and transportation, which is an essential consideration for those with limited garage space.

The Snapper MR216015T is equipped with a reliable starting system, which enhances user convenience. Its easy pull-start mechanism ensures that the mower is ready to go when needed, eliminating the frustration of difficult starts often encountered with other models.

Lastly, the Snapper MR216015T has a reputation for being environmentally friendly due to its efficient design that optimizes fuel consumption while minimizing emissions. This makes it a responsible choice for environmentally conscious consumers.

In summary, the Snapper MR216015T lawn mower boasts a powerful engine, a durable cutting deck, adjustable height controls, user-friendly ergonomics, and an efficient starting system, making it a leading choice for anyone looking for reliability and performance in lawn care.
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