Snapper HZT21481BV Maintenance, 4.3AFTER EVERY 25 OPERATING HOURS 4.3.1. ENGINE

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4.3AFTER EVERY 25 OPERATING HOURS 4.3.1. ENGINE

Section 4 - MAINTENANCE

4.2.3.CHECK MOWER DRIVE BELT 1. Lower deck to lowest setting.

2. Remove footrest. See Figure 4.3.

3. Removal of footrest will allow access to mower drive belt.

4. Check the belt tension. If belt is frayed, slit, sev- ered or belt strands exposed, replace belt before oper- ating mower. Refer to Section "MOWER DRIVE BELT REPLACEMENT AND ADJUSTMENT".

LIFT FOOT REST UP AND OFF POWER UNIT

FRAME TO GAIN ACCESS TO MOWER BELT

FIGURE 4.3

4.3AFTER EVERY 25 OPERATING HOURS 4.3.1. ENGINE

1.Engine Oil

Change engine oil. Refer to Section "CHANGE ENGINE OIL". Refer to engine owner's manual for oil specifications.

2.Air Filter

Refer to engine owner's manual for service instruc- tions.

4.3.2.MOWER COMPONENTS 1. Mower Drive Belt

Check belt tension. Replace belt as needed. Refer to Section "MOWER DRIVE BELT REPLACEMENT AND ADJUSTMENT".

2. Mower Blade

Check blade for sharpness, wear, damage, and torque. Refer to Section "MOWER BLADE REPLACE- MENT".

3. Mower Deck Levelness

Check mower deck for proper levelness. Adjust as required. Refer to Section "MOWER DECK ADJUST-

MENT - LEVELNESS".

4.Clean Mower Deck

a.Remove key from ignition switch.

b.Remove spark plug wire(s) and secure away from spark plug(s).

c.Raise mower deck to its highest setting. It may be necessary to raise mower deck higher using a hydraulic floor jack. Secure machine with safety blocks.

d.Clean underside of mower deck, removing all accu- mulation of grass clippings and debris.

e.Clean top of deck, removing all grass clippings and debris.

5.Mower Blade Spindle - Lubrication

a.Raise mower deck to its highest setting. It may be necessary to raise mower deck higher using a hydraulic floor jack. Secure machine with safety blocks.

b.Lubricate with Kendall NLGI No. 2 lithium grease or equivalent, from a grease gun. Grease fittings are located on spindle housings underneath deck. See Figure 4.4.

LUBRICATE

SPINDLE

ASSEMBLIES

FIGURE 4.4

(Deck shown with discharge raised)

6.Mower Deck Linkage - Lubrication

Lubricate all mower deck linkage pivot points with a light coat of motor oil.

!

WARNING

!

DO NOT attempt any maintenance, adjustments or service with engine running. STOP engine. STOP blades. Set brake. Remove key. Remove spark plug wires and secure away from spark plugs. Engine and components are HOT. Avoid serious burns; allow sufficient time for all parts to cool.

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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 Section 1 - FAMILIARIZATION 1.1 INTRODUCTION1.2 NOMENCLATURE 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 3.3CUTTING HEIGHT ADJUSTMENT 3.4 OPERATION- MOTION CONTROLS3.4.1. DRIVING MACHINE 3.4.2. STOPPING MACHINE 4.2.2. CHECK MOWER BLADE Section 4 - MAINTENANCE4.2SERVICE - AFTER FIRST 5 HOURS 4.1INTRODUCTION4.3AFTER EVERY 25 OPERATING HOURS 4.3.1. ENGINE 4.3.2.MOWER COMPONENTS 1. Mower Drive BeltFIGURE Deck shown with discharge raised 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 Section 5 - ADJUSTMENTS & REPAIR 5.1NEUTRAL POSITION ADJUSTMENTSFIGURE Continued On Next Page FIGURE FIGURE 5.2 MOWER DECK & COMPONENT ADJUSTMENTS5.2.1. MOWER DECK ADJUSTMENT LEVELNESS SIDE to SIDE and FRONT to REAR5.3PARKING BRAKE ADJUSTMENT 5.4TRACTION BELT REPLACEMENT FIGURE 5.6TRACKING ADJUSTMENT5.3 TRACTION BELT TENSION 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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