Snapper NZM19480KWV, NZM21520KWV Mower Spindles Field Serviceable Spindles, Bearing Replacement

Page 27

Section 5 - ADJUSTMENTS & REPAIR

5.8MOWER SPINDLES (Field Serviceable Spindles)

BEARING REPLACEMENT

In the event that a spindle bearing requires replacement, the SNAPPER Field Serviceable Spindles have been designed so that no special tools or presses are required.

1.Remove belt. Loosen blade nut and remove. Allow blade bolt, washer, blade and four spacers to drop down out of the spindle housing. See Figure

IMPORTANT: Spindle housing must be filled with grease before operating mower. Failure to fill housing will cause premature bearing failure.

REMOVE NUT

REMOVE BELT

FROM SPINDLE

REMOVE BLADE

BOLT

FIGURE 5.19

2.

Remove spindle pulley from spindle shaft.

3.

Locate circular retaining ring on spindle shaft at

top bearing. Remove retaining ring. Allow spindle

shaft to drop out of housing.

4.

Top and bottom bearings are now removable.

Pull out on inner race to slide bearing from

housing. See Figure 5.20.

5.

Thoroughly clean all parts removing all old

contaminated grease.

6.

Install new bottom bearing first.

7.

NOTE: The bearing is sealed/shielded on one

side only. The bottom bearing must be installed

with the sealed/shielded side DOWN.

8.

Insert spindle shaft up through the bottom

bearing. Slide spacer down over spindle shaft.

BEARING

SEAL UP

BEARING SEAL DOWN

PULLEY

SPACER

NYLOS SEAL

RETAINING RING

BEARING

SPINDLE

HOUSING

SPACER

BEARING

SPINDLE SHAFT

9. Install new top bearing. Install the top bearing

with the seal/shield UP.

10.

Slide circular retaining ring down spindle shaft

until it fully locks into groove on shaft.

11.

Apply a generous amount of general-purpose

grease to the concave side of the nylos seal. Install

the nylos seal with concave greased side down.

12.

Place spindle pulley and spacer on top of

spindle shaft.

13.

Reinstall blade bolt, washer, blade and four

spacers. See Figure 5.15

14.

Torque blade bolt and nut to 70 to 80 ft. lbs.

15.

Pump grease into spindle housing until grease

purges from vent on housing.

16.

After the first 5 hours of operation, grease

spindle housing to insure it is full, then every 25

hours.

FIGURE 5.20

28

Page 26 Page 28
Image 27
Page 26 Page 28
Contents MID Mount Z-RIDER Zero Turning Hydro Drive Series Always begin forward motion slowly and with caution Important Safety InstructionsFrom Previous Important Safety InstructionsFrom Previous Column MaintenanceTable of Contents Nomenclature IntroductionSafety Messages and Symbols RUN Do not allow operation of the machine by untrained personnel PRE-START Check ListStarting Engine Starting & Stopping ENGINE, BLADES, Parking BrakeParking Brake Stopping EngineStarting Mower Blades Stopping Mower BladesOPERATION- Motion Controls Driving Machine Cutting Height AdjustmentEngine Must Begin to Stop if Stopping MachineEngine Must not Start if Engine should Start ifCheck Mower Blade Service After First 5 HoursAfter Every 25 Operating Hours 4.3.1. Engine Riding Mower Lubrication Before Operating MachineAnnually END of Each Season Deck Removal Hydraulic Fluid Filters Neutral Position Adjustments Adjustments & RepairSide to Side and Front to Rear Neutral Position Adjustments From PreviousMower Deck & Component Adjustments Mower Deck Adjustment LevelnessParking Brake Adjustment Traction Belt Tension Traction Belt ReplacementBelt Removal Tracking AdjustmentMower Drive Belt Replacement Belt ReplacementBlade Sharpening Battery Battery Removal Battery Service 1. Remove batteryBattery Installation Battery Testing NEW Battery Preparation 1. Remove battery from cartonDo not Overfill Bearing Replacement Mower Spindles Field Serviceable SpindlesHydraulic SYSTEM, Purging Trouble Shooting on Next Problem Probable Cause Corrective ActionMachine Will Not Move Number USE HRS Season Service Performed EachMAINTENANCE/REPLACEMENT Parts 100Disclaimer of Warranty Year Limited WarrantyPrimary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Snapper Product Registration Form Page Page Page MID Mount Z-RIDER Zero Turning Hydro Drive Series

NZM19480KWV, NZM21520KWV specifications

The Snapper NZM19480KWV and NZM21520KWV are standout offerings in the realm of robust mowers, designed to cater to both residential and commercial users seeking efficiency and versatility. These models embody Snapper’s commitment to quality engineering and innovative features that simplify the mowing experience while delivering exceptional performance.

At the heart of both models is a powerful engine, ensuring reliable operation even in the most challenging terrains. The NZM19480KWV features a robust 48-inch cutting deck that allows for a wider cutting path, significantly reducing mowing time. This makes it an optimal choice for larger lawns and landscapes. In contrast, the NZM21520KWV showcases a slightly smaller but efficient 52-inch deck, ideal for tackling intricate yard designs while maintaining maneuverability.

Both mowers are equipped with Snapper's unique Pivoting Front Axle technology, which enhances stability and control. This feature allows the mower to navigate uneven ground smoothly, ensuring a consistent cut regardless of the terrain. The optimized weight distribution contributes to improved traction and handling, making both models suitable for diverse mowing conditions.

The user-friendly design of these mowers is another highlight. They feature a comfortable, adjustable seat with easy-grip controls, allowing operators to navigate their lawns with ease. Additionally, the intuitive dashboard provides real-time information regarding engine performance and fuel levels, enhancing the mowing experience and ensuring that users can focus on achieving the best results.

One of the standout technologies employed in the Snapper NZM19480KWV and NZM21520KWV is the electric start feature. This innovation eliminates the hassle of manual starting, allowing users to begin mowing with the push of a button. Furthermore, both models come with a robust transmission system that ensures smooth acceleration and responsive handling.

In summary, the Snapper NZM19480KWV and NZM21520KWV are exemplary choices for anyone seeking reliable, durable, and efficient mowers. With powerful engines, advanced technologies, and user-friendly designs, these models not only streamline the mowing process but also ensure a pristine lawn appearance. Whether for residential gardening or commercial landscaping, Snapper’s engineering excellence stands out.
Top Page Image Contents