Snapper HZT21481BV Safety Instructions & Operator's Manual

Series 1 mid-mount zero turning hydro drive

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Safety instructions & operator's manual (40 pages)

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MODEL DESIGNATION

DRIVE SYSTEM TYPE

ENGINE HP *

H - Homeowner Mid Mount

ZT - Zero Turning Hydro Drive

Thank you for buying a SNAPPER Product! Before operating your machine, read this manual carefully and pay

particular attention to the "IMPORTANT SAFETY INSTRUCTIONS" on Pages 2 - 4. Remember that all power equip-

ment can be dangerous if used improperly. Also keep in mind that SAFETY requires careful use in accordance

with the operating instructions and common sense!

NOTE: Specifications are correct at time of printing and are subject to change without notice.

* Actual sustained equipment horsepower will likely be lower due to operating limitations and environmental factors.

SNAPPER - A DIVISION OF SIMPLICITY MFG., INC.

Safety Instructions & Operator's Manual for

MODEL NUMBER EXPLANATION

21 - Engine Horsepower

ZERO TURNING

48 - 48" Mower Width

1 - Series Designation

MID-MOUNT

HYDRO DRIVE

SERIES 1

MODELS

HZT21481BV

SERIES DESIGNATION

MOWER DECK SIZE

B - Briggs Engine

V - Over Head Valve

MANUAL No. 7100079 (I.R. 5/27/2005)

ENGINE TYPE

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Page 1 ZT - Zero Turning Hydro Drive Thank you for buying a SNAPPER Product! Before operating your machine, read this manual carefully and pay Thank you for buying a SNAPPER Product! Before operating your machine, read this manual carefully and pay particular attention to the "IMPORTANT SAFETY INSTRUCTIONS"...
Page 2: Important Safety Instructions
If you have any questions pertaining to your machine which your dealer can- not answer to your satisfaction, call or write the Customer Service Department at SNAPPER Products Inc., McDonough, Georgia 30253. Phone: (1-800-935-2967).
Page 3: Safe Handling Of Gasoline
14. Exercise CAUTION when pulling loads. Limit loads to those you can safely control and attach loads to hitch plate as specified with SNAPPER attachment instruc- tions. 15. On slopes, the weight of the towed equipment may cause loss of traction and loss of control.
Page 4: Important Safety Instructions
4. Check brakes frequently; adjust, repair or replace as needed. Grass Catcher bags used on SNAPPER products are made of woven fabric, and are subject to deterioration and wear during nor- mal usage. Check condition of bags before each use. Immediately replace worn or damaged catcher bags with only bags recom- mended by SNAPPER.
Page 5: Table Of Contents
These structures, when installed and used properly can offer additional security to the operator against serious injury in the event of a tip over accident. Operator Protective Structures may be required by local ordinances. Discuss your mowing application and ordinances with your local Snapper Dealer. IMPORTANT...
Page 6: Section 1 - Familiarization
INSTRUCTIONS on Pages 2 thru 4 of this manual and All SAFETY messages on the unit and its attachments before operating. SNAPPER recommends returning the unit to an authorized SNAPPER dealer annually for inspection and addition of any new devices which might upgrade the safe- ty of the mower.
Page 7: Section 2 - Safety Messages And Symbols
Section 2 - SAFETY MESSAGES AND SYMBOLS DANGER ! ROTATING PARTS KEEP AWAY FROM MOVING PARTS MOTION CONTROL LEVER OPERATION WARNING ! GUARD OR GRASS CATCHER MUST BE INSTALLED WEAR HEARING PROTECTION WARNING ! AVOID SERIOUS INJURY OR DEATH PARKING BRAKE LEVER OPERATION...
Page 8 Section 2 - SAFETY MESSAGES AND SYMBOLS CONTROL PANEL IDENTIFICATION DANGER! ROTATING BLADES KEEP CHILDREN AND OTHERS OUT OF MOWING AREA DANGER! ROTATING BLADES START STOP FUEL GAUGE (2) IGNITION SWITCH FUEL TANK SELECT...
Page 9: Section 3 - Operating Instructions
Section 3 - OPERATING INSTRUCTIONS Section 3 - OPERATING INSTRUCTIONS 3.1 PRE-START CHECK LIST Make the following checks and perform the service required before each start-up. 3.1.1. Check tires and add or release air as needed to bring pressure to 12 psi in drive tires. Pressure in front caster wheels should be 25 psi.
Page 10: Starting & Stopping Engine, Blades & Parking Brake
Section 3 - OPERATING INSTRUCTIONS Section 3 - OPERATING INSTRUCTIONS ROLL RELEASE: To roll the machine without the engine running, pressure within the hydraulic pumps must be released. There is a hydraulic pressure relief valve on the upper side of each pump that is used to release the pressure.
Page 11: Stopping Engine
5 seconds, the electric clutch should be checked. Adjustment or replace- ment of electric clutch may be necessary. Return the machine to an authorized Snapper dealer for replacement. DO NOT CONTINUE to operate mower if blades fail to stop in 5 seconds.
Page 12: Cutting Height Adjustment
Section 3 - OPERATING INSTRUCTIONS 3.3 CUTTING HEIGHT ADJUSTMENT 1. Adjust cutting height, as desired, to any position, using deck lift lever. IMPORTANT: There is a foot assist pedal located to the right front side of the footrest. Always use this assist pedal to raise or lower the deck to the desired cutting height.
Page 13: Section 3 - Operating Instructions
All safety devices must be in place and functioning properly before operating the machine. Perform the follow- ing interlock system checks periodically during the operat- ing season. Contact your authorized Snapper dealer if you have questions. DO NOT operate machine if any safety interlock or safety device is not in place and functioning properly.
Page 14: Section 4 - Maintenance
Section 4 - MAINTENANCE 4.1 INTRODUCTION To retain the quality of the SNAPPER mower, use gen- uine SNAPPER replacement parts only. Contact a local SNAPPER dealer for parts and service assis- tance. For the correct part or information for a particu- lar SNAPPER mower, always mention the model and serial number.
Page 15: Check Mower Drive Belt
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.
Page 16: Front Wheel Bearings Lubrication
Section 4 - MAINTENANCE 4.3.3. RIDING MOWER - LUBRICATION 1. Front Wheel Bearings Lubricate with Kendall NLGI No. 2 lithium grease or equivalent, from a grease gun. See Figure 4.5. LUBRICATE BEARINGS FIGURE 4.5 2. Hydro Pumps Check the level of the fluid in the fluid reservoir. Wipe away all dirt and debris from around reservoir cap before removing.
Page 17: Fuel Filter Replacement
Section 4 - MAINTENANCE WARNING Allow engine to cool for at least ten minutes before performing service or maintenance. DO NOT smoke near fuel components when performing service or maintenance. DO NOT perform service and mainte- nance near an open flame. Wipe off any spilled fuel before starting engine.
Page 18: Deck Removal
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.
Page 19: Section 5 - Adjustments & Repair
Section 5 - ADJUSTMENTS & REPAIR WARNING Exercise EXTREME CAUTION when making this adjustment, due to close proximity of moving parts. 5.1 NEUTRAL POSITION ADJUSTMENTS The motion control levers control the movement and stopping of the machine. Move the control levers to the center or neutral position to stop machine.
Page 20: Mower Deck Adjustment (Levelness)
Section 5 - ADJUSTMENTS & REPAIR 5.1 NEUTRAL POSITION ADJUSTMENTS (Continued From Previous Page) 12. With motion control levers remaining in the neutral lock position, See Figure 3.7, hold connecting rod up to the activation assembly and check length of rod. Tie rod end bolt must align with the activation assembly.
Page 21: Parking Brake Adjustment
5.3 PARKING BRAKE ADJUSTMENT The parking brake can be adjusted to increase brake tension. (NOTE: If adjustment does not result in prop- er braking action, contact your authorized SNAPPER dealer for corrective action.) 1. Engage parking brake and measure height of left and right brake springs.
Page 22: Traction Belt Tension & Replacement
Section 5 - ADJUSTMENTS & REPAIR 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 suf- ficient time for all parts to cool.
Page 23: Tracking Adjustment
Section 5 - ADJUSTMENTS & REPAIR LOOSEN BOLTS, SLIDE PLATE TO MAKE MACHINE TRACK STRAIGHT TRACKING ADJUSTMENT PLATE RIGHT SIDE LOOSEN BOLTS, ALIGN MOTION CONTROL HANDLEBARS AS IN LEVER BLOCK FIGURE 5.12a 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.
Page 24: Engine Adjustments & Repair
Section 5 - ADJUSTMENTS & REPAIR 5.8 ENGINE ADJUSTMENTS & REPAIR Refer to the engine owner's manual for engine adjust- ments and/or repairs. 5.9 MOWER BLADE REPLACEMENT 5.9.1. BLADE WEAR LIMITS 1. Inspect blade frequently for signs of excessive wear or damage. Replace blade when it reaches the wear limit.
Page 25: Battery Removal
Section 5 - ADJUSTMENTS & REPAIR 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 suf- ficient time for all parts to cool.
Page 26: Battery Testing
Section 5 - ADJUSTMENTS & REPAIR 5.10.4. BATTERY TESTING 1. Remove battery. Refer to Section "BATTERY REMOVAL". 2. Using a voltmeter, check the battery's state of charge by comparing the voltmeter reading with the chart below. (Remember to hook the positive (red) lead of the voltmeter to the battery's positive terminal, and the negative lead to the negative terminal.) Battery Condition Chart...
Page 27: Hydraulic System, Purging
Section 5 - ADJUSTMENTS & REPAIR 5.11 HYDRAULIC SYSTEM, PURGING After replacing or repairing hydraulic system compo- nents, one or both of the wheel drives may not pull properly. This is likely to be caused by air entrapped in the system. If you experience a pulling issue after completing repairs, perform the following procedure to purge the air from one or both of the hydraulic drive systems.
Page 28: Troubleshooting
1. Service battery. 2. Replace fuse. 3. Clean and check connections for good contact. 4. Contact authorized SNAPPER dealer. 1. Move blade engagement switch to "OFF". 2. Set park brake and Operator in Operator Seat. 3. Place Motion Controls in Neutral Lock Position.
Page 29: Troubleshooting
5. Replace traction drive belt. 1. Move blade switch to the "ON" position. 2. Adjust or replace mower belt. 3. Contact authorized SNAPPER dealer. 1. Bring to proper pressure. 2. Adjust cutting height. 3. Move throttle control to "FAST" position.
Page 30: Service Schedule
SERVICE SCHEDULE ITEM SERVICE PERFORMED Engine Oil Check Oil Level Initial Oil Change Periodic Oil Change Air Cleaner Clean or Replace Spark Plug Replace Fuel Filter Replace Engine Cooling Clean Shroud & Fins System Battery Charge Battery Testing Battery Tires Check Pressures Drive Belts Check for Wear and...
Page 31: Year Limited Warranty
For two (2) years from purchase date for the original purchaser's residential, non-commercial use, SNAPPER, through any authorized SNAPPER dealer will replace, free of charge (except for taxes where applicable), any part or parts found upon examination by the factory at McDonough, Georgia, to be defective in material or workmanship or both.
Page 32: Primary Maintenance
PRIMARY MAINTENANCE...
Page 33 PRIMARY MAINTENANCE...
Page 34 PRIMARY MAINTENANCE...
Page 35: Primary Maintenance
PRIMARY MAINTENANCE...
Page 36: Product Registration Form
Date of Purchase_______________________________________________________ Retailer ______________________________________________________________ Retailer's Phone Number _______________________________________________ It is very important that you register your purchase with Snapper to ensure war- ranty coverage. Please mail your product registration card to: Snapper at P.O. Box 1379, McDonough, Georgia 30253.
Page 37 NOTES...
Page 38 NOTES...
Page 39 NOTES...
Page 40 HYDRO DRIVE SERIES 1 Snapper products are built using engines that meet or exceed all applicable emissions requirements on the date 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 manufactured.

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