Snapper HZT21481BV important safety instructions Adjustments & Repair, Belt Replacement

Page 23
5.7.2. BELT REPLACEMENT

Section 5 - ADJUSTMENTS & REPAIR

LOOSEN BOLTS,

SLIDE PLATE TO

MAKE MACHINE

TRACK STRAIGHTManual background

TRACKING

ADJUSTMENT

PLATE

RIGHT SIDE

LOOSEN BOLTS, ALIGN

MOTION CONTROL

3.

Remove old mower drive belt. Note the belt routing.

See Figure 5.13.

5.7.2. BELT REPLACEMENT

1.

Route new belt around blade pulleys, idler pulley,

and clutch pulley in the same position as old belt was

removed. See Figure 5.13.

2.

Reconnect deck idler tensioning rod as previously

removed. Refer to Section 'Belt Adjustment' below for

proper belt tension adjustment.

3.

Reinstall power unit footrest.

5.7.3.

BELT ADJUSTMENT

LEVER BLOCK

HANDLEBARS AS IN FIGURE 5.12a

To adjust belt tension, loosen jam nut on deck idler tensioning rod, then adjust inner nut in or out until idler

FIGURE 5.12

5.6aMOTION LEVER HANDLEBAR ALIGNMENT

Handlebars of both left and right Motion Control Levers should be aligned when levers are dropped from their neutral lock positions. See Figure 5.12a. If bars are not aligned:

1.Loosen bolts that secure handlebar adjustment brackets to lever blocks, and adjust handlebars until aligned. See Figure 5.12. Retighten bolts after align- ment is achieved.

2.Note that handlebars are adjustable, and can be raised or lowered to provide optimum operator com- fort. Simply remove hardware securing handlebars to handlebar adjustment brackets, raise or lower bars, and replace hardware.

ALIGN HANDLEBARS

RAISE OR

 

LOWER BARS

 

DROP LEVERS FROM

 

REMOVE

NEUTRAL POSITION

HARDWARE

 

 

 

spring measures 2-5/16". See Figure 5.13a. Tighten jam nut against inner nut after adjustment is achieved.

RIGHT

PULLEY

CENTER

PULLEYELECTRIC CLUTCH

MOWER

DRIVE

BELT

LEFT

 

PULLEY

BELT ROUTING

FIGURE 5.13

FIGURE 5.12a

5.7MOWER DRIVE BELT REPLACEMENT AND ADJUSTMENT

Inspect mower drive belt. Replace belt if it shows signs of excessive wear, damage and/or is broken.

5.7.1.

BELT REMOVAL

1.

Remove power unit footrest.

2.

Remove jam nut, inner nut, washers and spring

from front threads of deck idler tensioning rod. See

Figure 5.13a. Slip rod out of deck bracket, and swivel

AFTER REPLACING BELT, REPLACE SPRING, WASHERS AND INNER NUT, AND TIGHTEN UNTIL SPRING LENGTH IS 2-5/16”. THEN INSTALL JAM NUT AND TIGHTEN AGAINST INNER NUT.

TO REMOVE BELT, REMOVE JAM NUT AND INNER NUT, WASHERS AND SPRING

2-5/16”

deck idler pulley back.

FIGURE 5.13a

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Contents HZT21481BV MID-MOUNT ZERO TURNING HYDRO DRIVE SERIESSafety Instructions & Operators Manual for MODELSPREPARATION IMPORTANT SAFETY INSTRUCTIONSPROTECTION FOR CHILDREN PROTECTION AGAINST TIPOVERSOPERATION SAFE HANDLING OF GASOLINETOWING MAINTENANCETABLE OF CONTENTS 1.2 NOMENCLATURE Section 1 - FAMILIARIZATION1.1 INTRODUCTION KEEP AWAY FROM MOVING PARTS Section 2 - SAFETY MESSAGES AND SYMBOLSCATCHER MUST BE INSTALLED WEAR HEARING PROTECTION DANGER ! ROTATING PARTSKEEP CHILDREN AND OTHERS OUT OF MOWING AREA IGNITION SWITCHCONTROL PANEL IDENTIFICATION DANGER! ROTATING BLADES3.1PRE-STARTCHECK LIST Section 3 - OPERATING INSTRUCTIONS3.2.1. STARTING ENGINE 3.2.2. STOPPING ENGINE 3.4.1. DRIVING MACHINE 3.3CUTTING HEIGHT ADJUSTMENT3.4 OPERATION- MOTION CONTROLS 3.4.2. STOPPING MACHINE 4.2.2. CHECK MOWER BLADE Section 4 - MAINTENANCE4.2SERVICE - AFTER FIRST 5 HOURS 4.1INTRODUCTIONFIGURE Deck shown with discharge raised 4.3AFTER EVERY 25 OPERATING HOURS 4.3.1. ENGINE4.3.2.MOWER COMPONENTS 1. Mower Drive Belt FIGURE Continued on next Page 4.4BEFORE OPERATING MACHINE4.5ANNUALLY END OF EACH SEASON 4.5.1. ENGINEContinued On Next Page 4.6DECK REMOVALSection 4 - MAINTENANCE FIGURE Continued On Next Page Section 5 - ADJUSTMENTS & REPAIR5.1NEUTRAL POSITION ADJUSTMENTS FIGURE FIGURE 5.2 MOWER DECK & COMPONENT ADJUSTMENTS5.2.1. MOWER DECK ADJUSTMENT LEVELNESS SIDE to SIDE and FRONT to REAR5.3PARKING BRAKE ADJUSTMENT 5.3 TRACTION BELT TENSION 5.4TRACTION BELT REPLACEMENTFIGURE 5.6TRACKING ADJUSTMENT 5.7.2. BELT REPLACEMENT 5.9.2. BLADE SHARPENING 5.8ENGINE ADJUSTMENTS & REPAIR5.10BATTERY 5.10.1. BATTERY REMOVAL Battery Condition Chart 5.11HYDRAULIC SYSTEM, PURGING CORRECTIVE ACTION TROUBLESHOOTINGPROBLEM PROBABLE CAUSEBlades Not Cutting Battery Will Not ChargeMachine Will Not Move Loss Of TractionMAINTENANCE/REPLACEMENT PARTS SERVICE SCHEDULE2 YEAR LIMITED WARRANTY PRIMARY MAINTENANCE PRIMARY MAINTENANCE PRIMARY MAINTENANCE PRIMARY MAINTENANCE Call the Snapper Customer Relations Center at SNAPPER PRODUCT REGISTRATION FORMPage Page Page MANUAL No. 700079 I.R. 5/27/2005 Snapper products are built using engines that meet or exceed all applicable emissions requirements on the date manufactured. The labels on those engines contain very important emissions information and critical safety warnings. Read, Understand, and Follow all warnings and instructions in this manual, the engine manual, and on the machine, engine and attachments. If you have any questions about your Snapper product, contact your local authorized Snapper dealer or contact Snapper Customer Service at Snapper, McDonough, GA. 30253. Phone
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