Snapper SPLH153KW, SPLH173KW, SPA361, SPA481, SPA521, SPA611 Mower Attachment Service

Page 26

SECTION 5 - MOWER ATTACHMENT SERVICE

5.3 MOWER 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

5.7.

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 5.7

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 5.8.

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

SEAL UP

BEARING SEAL DOWN

PULLEY

SPACER

NYLOS SEAL

RETAINING RING

BEARING

SPINDLE

HOUSING

SPACER

BEARING

SPINDLE SHAFT

bearing. Slide spacer down over 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 5.6.

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 5.8

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Contents PRO Hydro Walk Behind Mowers MID-SIZE Series Model Number ExplanationSlope Operation Important Safety InstructionsProtection for Children PreparationSafe Handling of Gasoline OperationMaintenance Table of Contents Nomenclature FamiliarizationIntroduction Safety Messages and Symbols Read OPERATOR’S Manual Safety Messages and Symbols Blade and Traction Controls ControlsEngine Controls Operating Instructions PRE-START ChecklistSafety Interlock System Checks Before OperatingStopping Starting and OperatingForward Speed Traction Speed ControlMower Operation Reverse SpeedHandle Height Adjustment Mowing and Turning on HillsidesRemove Lower Left Side of Machine Shown Bolt & NUT Cutting Height Adjustment Adjusting Caster WheelsAdjusting Fixed Deck Attachment Side Profile of MachineSolution Engine TroubleshootingSymptom Problem Service & Lubrication Information Controls & LinkagesHours Procedure Comments Grease Grease Zerk Location Daily WeeklyHydraulic System Adjustments Service ServiceElectric Clutch Adjustment Machine Speed Control Ranges Hydraulic Pump Belt InstallationReplacement Parts To Change Machine Speed RangesTraction Control Neutral Adjustment Mower Attachment Service Cutter Deck Belt Removal & InstallationBlade Removal and Sharpening Cutting Blade ServiceStandard Blade Replacement Mower Attachment Service Bearing ReplacementBattery Service Battery RemovalBattery Installation Battery TestingNEW Battery Preparation Do not OverfillYear Limited Warranty Disclaimer of WarrantySnapper Product Registration Form Primary Maintenance Primary Maintenance Primary Maintenance Primary Maintenance Service Notes Service Notes PRO Hydro MID-SIZE Walk Behind Mowers Series