Snapper HZT21481BV important safety instructions Maintenance

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Section 4 - MAINTENANCE

!

WARNING

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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 suf- ficient time for all parts to cool.

7.Remove bolts and nuts to disconnect both stabiliz- ers from mower deck and power unit. See Figure 4.12 and 4.13.

4.6DECK REMOVAL (Continued from previous page) 4. Remove inside nuts that secure chain to front lift arm. See Figure 4.10.

FRONT

LIFT ARM

 

CHAIN

REMOVE INSIDE

 

NUT THAT

 

SECURES CHAIN TO

DECK HANGER

FRONT LIFT ARM

BRACKET

FIGURE 4.10

5.Remove inside nuts that secure chain to rear lift arm. See Figure 4.11.

REMOVE INSIDE NUT

THAT SECURES CHAIN

STABILIZER

DECK

STABILIZERManual background

DECK

REMOVE NUTS AND BOLTS

THAT SECURE STABILIZERS

TO MOWER DECK

FIGURE 4.12

REMOVE NUTS AND BOLTS

THAT SECURE STABILIZERS

TO POWER UNIT

TO REAR LIFT ARM

REAR LIFT ARM

CHAIN

FIGURE 4.11

6.Remove mower drive belt from around blade clutch pulley. Refer to Section “MOWER DRIVE BELT REPLACEMENT AND ADJUSTMENT”.

FIGURE 4.13

8.Remove wooden blocks from underneath deck and roll/slide deck from underneath power unit.

9.Reinstall deck in reverse order, in which it was removed. Torque hardware to 20 to 30 ft lbs.

4.7HYDRAULIC FLUID FILTER

IMPORTANT: REFER TO SECTION "HYDRAULIC SYS- TEM PURGING" BEFORE PERFORMING FILTER MAIN- TENANCE.

The first filter change is recommended at 200 hours. After the first change, the recommended interval is every 500 hours. Replace with approved filter only (Snapper P/N 1719168). Install following instructions provided with the filter. Add SAE 20W50 oil to bring the level in the reservoir to 1-½" below top of filler neck. Run machine for several minutes and re-check fluid level. Add oil as needed.

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Contents MODELS MID-MOUNT ZERO TURNING HYDRO DRIVE SERIESSafety Instructions & Operators Manual for HZT21481BVPROTECTION AGAINST TIPOVERS IMPORTANT SAFETY INSTRUCTIONSPROTECTION FOR CHILDREN PREPARATIONSAFE HANDLING OF GASOLINE OPERATIONMAINTENANCE TOWINGTABLE OF CONTENTS Section 1 - FAMILIARIZATION 1.1 INTRODUCTION1.2 NOMENCLATURE DANGER ! ROTATING PARTS Section 2 - SAFETY MESSAGES AND SYMBOLSCATCHER MUST BE INSTALLED WEAR HEARING PROTECTION KEEP AWAY FROM MOVING PARTSDANGER! ROTATING BLADES IGNITION SWITCHCONTROL PANEL IDENTIFICATION KEEP CHILDREN AND OTHERS OUT OF MOWING AREASection 3 - OPERATING INSTRUCTIONS 3.1PRE-STARTCHECK LIST3.2.1. 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 4.1INTRODUCTION Section 4 - MAINTENANCE4.2SERVICE - AFTER FIRST 5 HOURS 4.2.2. CHECK MOWER BLADE4.3AFTER EVERY 25 OPERATING HOURS 4.3.1. ENGINE 4.3.2.MOWER COMPONENTS 1. Mower Drive BeltFIGURE Deck shown with discharge raised 4.5.1. ENGINE 4.4BEFORE OPERATING MACHINE4.5ANNUALLY END OF EACH SEASON FIGURE Continued on next Page4.6DECK REMOVAL Continued On Next PageSection 4 - MAINTENANCE Section 5 - ADJUSTMENTS & REPAIR 5.1NEUTRAL POSITION ADJUSTMENTSFIGURE Continued On Next Page SIDE to SIDE and FRONT to REAR 5.2 MOWER DECK & COMPONENT ADJUSTMENTS5.2.1. MOWER DECK ADJUSTMENT LEVELNESS FIGURE FIGURE5.3PARKING BRAKE ADJUSTMENT 5.4TRACTION BELT REPLACEMENT FIGURE 5.6TRACKING ADJUSTMENT5.3 TRACTION BELT TENSION 5.7.2. BELT REPLACEMENT 5.8ENGINE ADJUSTMENTS & REPAIR 5.9.2. BLADE SHARPENING5.10BATTERY 5.10.1. BATTERY REMOVAL Battery Condition Chart 5.11HYDRAULIC SYSTEM, PURGING PROBABLE CAUSE TROUBLESHOOTINGPROBLEM CORRECTIVE ACTIONLoss Of Traction Battery Will Not ChargeMachine Will Not Move Blades Not CuttingSERVICE SCHEDULE MAINTENANCE/REPLACEMENT PARTS2 YEAR LIMITED WARRANTY PRIMARY MAINTENANCE PRIMARY MAINTENANCE PRIMARY MAINTENANCE PRIMARY MAINTENANCE SNAPPER PRODUCT REGISTRATION FORM Call the Snapper Customer Relations Center atPage Page Page 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 MANUAL No. 700079 I.R. 5/27/2005