Snapper NZM19483KWV Bedienungs- und Wartungshandbuch

Safety Instructions & Operator's Manual for

MID MOUNT Z-RIDER

ZERO TURNING

HYDRO DRIVE

SERIES 3

MODELS

NZM19483KWV

NZM21523KWV

NZM25523KWV

NZM25613KWV

NZM27 613KH

MODEL NUMBER EXPLANATION

INI ;

MODEL DESIGNATION ._1

DRIVE SYSTEM TYPE

MOWER ORIENTATION

ENGINE HP *

:1 I1I 1_1431 : IKWVl

I ENGINE TYPE

SERIES DESIGNATION

MOWER DECK SIZE

POWER UNIT

19.0 -Engine Horse Power

21.0 -- Engine Horse Power

25.0 - Engine Horse Power

27.0 - Engine Horse Power

N - Model Designation 48 -48" Mower Width 3 -Series Designation

Z - Zero Turning - Hydro Drive 52 - 52" Mower Width KW - Kawasaki Engine

M - Mid Mount Mower 61 - 61" Mower Width KH - Kohler Engine

V - Over Head Valve

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

equipment 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.coonougho.,3o2 3os.

SNAPPER A DIVISION OF SIIqPLIO]TY _'TFG INC

Section 2 - SAFETY MESSAGES AND SYMBOLS

I DANGER ! ROTATING PARTS I

KEEP AWAY FROM MOVING PARTS

I MOTION CONTROL LEVER OPERATION I

I PARKING BRAKE LEVER OPERATION I

IWEAR HEARING PROTECTION I

TO AVOID INJU RYOR DEATH PARA EVITAR LESIONES O LA MUERTE

-Read Operator's Manual

Do not operate unless you ame fully tRained.

-Keep all guard s,shields and othel satety devices in place and wol king.

-DO not operate when children o_ others ale aiolJnd

Avoid sudden movement of control {eversalld shal p turns

Turn off engine betore leaving the seat or servicing.

Mow up and down hills nevel acloss or on slopes greater than I _ .

-Lea el Manual del Operador

-No maneje esta m_quina a mehos gue est_ capacitado paia hacello,

Mantenga todos los protector es,escudos y otros dispositivos de seguHdad instalados y funcionando

NO maneje la illaquilla m[entras Ilayan nihos u otras personas ell la zona de tlabajo,

Evite mover bruscamente las palancas de control y hater virajes muy cerrados

-Apague el motor antes de lewntarse del asiento o realizar trabajos de mantenimiemo

-En colinas, torte {a hier ba ell seflt[do ascende_lte y descendente iiuiica en _lllido

tl ansversal ni en pehdientes sup_doLs a 15. Si no puede letrocede[ ell u{la co{ina

NO maneje la m_quina en ese lugal.

I WARNING !AVOID SERIOUS INJURY OR DEATH I

STARTING, OPERATION &STOPPING OF MACHINE I

Section 2 - SAFETY MESSAGES AND SYMBOLS

PULL SWITCH "UP" TO

ENGAGE BLADES

PUSH SWITCH "DOWN" TO

HOUR METER DISENGAGE BLADES

OFF/STOP

FAST

RUN

KEYSWITCH

START

I CONTROL PANEL IDENTIFICATION IT

CHOKE

CONTROL T TSLOW

ENGINE

SPEED

CONTROL

DANGER! ROTATING BLADES

KEEP CHILDREN AND OTHERS OUT OF MOWING AREA IFUEL TANK SELECT I

ISTOP RUN START

IFUELGAUGE(2) I IIGNITION SWITCH I

Section 2 - SAFETY MESSAGES AND SYMBOLS

IROLL BARPROTECTIVESTRUCTUREDECALS I

ICAUTION! SPRING LOADED MECHANISM I

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.

3.1.2. Check guards, deflectors and covers to make

sure all are in place and securely tightened.

3.1.3. Check engine oil and add oil as needed to

bring level up to the FULL mark. Refer to engine

owner's manual for oil specifications. See Figure 3.1.

FIGURE 3.1

3.1.4. Check Blade Switch to insure it works freely.

1. Pull the Blade Switch up to the "ON" position to

engage or turn "ON" the mower blades.

2. Push Blade Switch down to the "OFF" position to

disengage (or turn "OFF") the blades.

BLADESWITCH

FIGURE 3.2

3.1.6. Clean exterior surfaces of cutting deck,

engine and pumps of any accumulation of dirt,

grass, oil, etc. Keep engine and pump air intake

screens and cooling fins clear at all times.

3.1.6. Add fuel to both tanks of the machine

outside where fumes can safely dissipate. Make

sure both fuel filler caps are tight. Note the fuel tank

selector valve. Refer to engine owner's manual for

fuel specifications.

3.1.7. Adjust position of operator's seat. The seat

is mounted on slides. Locate latch lever beneath

the seat. Move lever towards the left and slide seat

to the desired position. Release latch. If equipped,

adjust seat suspension for operator weight.

3.1.8. Place mower in desired cutting height

setting. Grasp deck lift lever and depress release

latch located underneath the lever. Move lever to

desired cutting height setting and release latch.

Insert stop pin to desired cutting height.

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. See Figure 3.3.

HEIGHT

DECK LIFT

LEVER

RELEASE

LATCH

FIGURE 3.3

3.1.9. Check seat belts. Mounting hardware must

be tight. Buckle must latch securely and release

easily. Webbing must not display signs of

deterioration, wear or damage.

3.1.10. Check roll bar protective structure for

structural soundness (i.e. no cracks, damage,

corrosion, etc.) All hardware must be tight. Roll bar

must be raised and locked unless absolutely

necessary (i.e. low overhead clearance). Both

locking pins must be installed and securely

fastened to prevent inadvertent removal. DO NOT

operate a machine that has had any part of the roll

bar protective structure removed, damaged, or

modified in any way.

IMPORTANT: This machine is equipped with

hydrostatic drive, The direction of motion and the

speed of motion are controlled by the left and right

motion control levers, A small movement of these

controls can cause the machine to move instantly. DO

NOT attempt to operate the machine until you read this

manual and become familiar with its operation,

Practice with the blades "OFF" disengaged, engine

speed at a slow setting and in an open area away from

obstacles. w.....o

allow operation of the machin

personnel.

Section 3 - OPERATING INSTRUCTIONS

3,4,2, STOPPING MACHINE

1, Return motion controt lever to the neutral

position & the neutral lock position.

IMPORTANT: Operator must use hand assistance

to bring both motion control levers to the neutral

position & the neutral lock position.

MOTION

CONTROL

LEVER

FIGURE 3.13

NEUTRAL

LOCK

POSITION

2. Engage parking brake.

3. Push Blade Switch down to the "OFF" position

to disengage or turn "OFF" the blades.

4. Stop engine. Move engine speed control to

turtle "SLOW" position. Turn key to stop position.

5. Remove key.

WARNING

DO NOT park the machine on slopes, DO NOT

machine with engine running, Stop engine.

blades, Engage parking brake, Remove key,

3.5 FOLDING THE ROLL BAR PROTECTIVE

STRUCTURE

The roll bar protective structure should be folded ONLY

when absolutely necessary - i.e. when there is low

overhead clearance. NEVER remove any part of the

structure. To fold:

1. Shut off engine and remove key.

2. Loosen star knobs and remove locking pins. See

Figure 3.14.

3. Fold roll bar down against backs of side bars.

4. Tighten star knobs and replace pins to prevent loss.

FOLD

ROLL

BAR

LOOSEN

STAR

KNOBS &

REMOVE

LOCKING

FIGURE 3.14

5. Raise and lock roll bar as soon as clearance permits.

IMPORTANT: DO NOT use seat belt when roll bar is

folded.

no roll-over protection when roll b

3.6 SAFETY INTERLOCK SYSTEM CHECKS

This machine is equipped with an electrical safety

interlock system that is provided for the safety of the

operator and others. All safety devices must be in place

and functioning properly before operating the machine.

Perform the following interlock system checks

periodically during the operating season. Contact your

authorized Snapper dealer if you have questions.

WARNING

DO NOT operate machine if any safety interlock or

safety device is not in place and functioning

properly. DO NOT attempt to defeat, modify or

remove any safety device.

ENGINE MUST NOT START IF:

1. Motion Control Lever(s) are not in the neutral

lock position OR,

2. Parking Brake disengaged and Operator not

seated in the Operator's Seat OR,

3. Blade Switch in the "ON" blades engaged

position.

ENGINE SHOULD START IF:

1. Blade Switch in the "OFF" blades disengaged

position AND,

2. Motion Control Levers are both in the neutral

lock position AND,

3. Operator properly seated in the Operator's Seat

OR,

4. Parking Brake engaged.

NOTE: The engine can be started with the parking

brake disengaged only if conditions in 1, 2 and 3

have been met.

ENGINE MUST BEGIN TO STOP IF:

1. Motion Control Levers are moved from the

neutral lock position with Parking Brake

engaged OR,

2. Operator rises off of seat with Blade Switch in

"ON" blades engaged position OR,

3. Operator rises off of seat with Parking Brake

disengaged.

IMPORTANT: Engine and blades will continue to

run if Operator becomes reseated prior to engine

coming to a complete stop. After coming to a

complete stop, the blade switch must be moved to

the "OFF" position before engine can be restarted.

Engine and blades must come to a complete stop

within 7 seconds after the operator rises off the seat

or the blade switch is moved to the "OFF" position.

Section 4 - MAINTENANCE

WARN ING

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

maintenance near an open flame. Wipe off any

spilled fuel before starting engine. DO NOT run

engine indoors.

4.5 ANNUALLY (END OF EACH SEASON)

(Continued from previous Page)

4,5,2. FUEL FILTER

Service fuel filter as instructed below. Turn key to

"OFF" position. Engine MUST be stopped and

MUST be cold before removing filter. Clamp fuel line

to prevent fuel spillage or perform filter change when

fuel tank and fuel line are empty.

1. Remove fuel line clamps from fuel filter.

2. Remove fuel lines from filter. Discard filter.

3. Install new fuel filter. IMPORTANT: Some fuel

filters are fuel flow directional. Check for arrow that

shows fuel flow direction. Reinstall fuel Iine clamps.

See Figure 4.8.

LEFT SIDE OF

MACHINE

4.6 DECK REMOVAL

Move power unit/mower deck to an area where the

mower deck is to be disconnected. Turn engine

"OFF" and remove key from switch. Remove spark

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

Move motion control levers to the neutral position.

Engage parking brake.

1. Move deck lift lever and set the mower deck to

the highest cutting position. See Figure 4.9.

2. IMPORTANT -STORED ENERGY, Relieve

tension on deck lift assist spring by backing off nut

on eyebolt. Failure to relive tension could result in

personal injury. See Figure 4.9.

3. Place a wooden block under the front and rear

edge of the mower deck.

4. Move deck lift lever and set the mower deck to a

lower cutting position until deck rests on wooden

blocks. Position the deck to where there is no

tension on the deck hanger chains. See Figure 4.9.

LOWEST CUTTING

POSITION (ALL THE

WAY ,)

POSITION DECK LIFT LEVER IN HIGHEST CUTTING

POSITION. PLACE WOODEN BLOCKS UNDER FRONT

AND REAR OF DECK, LOWER DECK ONTO BLOCKS

CLAMP FUEL LINE

TO PREVENT

LOOSEN DECK

LIFT ASSIST

LINE TO

REMOVE LINE PREVENT

CLAMPS SPILLAGE

FIGURE 4.8

FIGURE 4.9

(Continued On Next Page)

Section 5 - ADJUSTMENTS & REPAIR

Ik DANGER

Exercise EXTREME CAUTION when making this I

adjustment, due to close proximity of moving parts. I

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.

IMPORTANT: Always return both motion control

levers with hand assistance to the neutral

position, If machine does not come to a

complete stop or machine has movement when

control levers are moved to the neutral lock

position, adjustment must be made.

1. Turn key to "OFF" position.

2. Move motion control levers to the neutral lock

position. Refer to Figure 3.7.

3. Raise both rear wheels off the ground. Secure

machine with safety blocks.

4. Remove cover screen to expose top of hydro

pumps and linkages. See Figure 5.1.

5. Remove both fans from top of hydro pumps.

6. Disconnect motion lever connecting rods from

hydro pump activation assembly. See Figure 5.2.

!REMOVESCREEN

FIGURE 5.1

7. Turn key to start position and start machine.

Move engine speed control to the Rabbit "FAST"

position

8. Disengage parking brake.

9. Both wheels should not have any movement, not

rotating.

10. If wheel(s) are rotating, loosen the hydro pump

activation assembly retaining screw. Move activation

assembly forward or rearward to stop rotation of

wheel. Retighten retaining screw. Repeat this step for

other hydro pump. See Figure 5.3.

11. Stop engine.

REMOVE MOTION CONTROL

LEVER CONNECTING ROD

HYDRO PUMP

ACTIVATION

ASSEMBLY

FIGURE 5.2

MOVE ACTIVATION

ASSEMBLY

REARWARD OR

FORWARD TO ACHIEVE

FIGURE 5.3

LOOSEN ACTIVATION

ASSEMBLY RETAINING

SCREW

(Continued On Next Page)

Section 5 - ADJUSTMENTS & REPAIR

5.1 NEUTRAL POSITION ADJUSTMENTS 5.2

(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. If bolt is not aligned with the activation

assembly, adjust tie rod. Loosen jam nut that secures

tie rod. Rotate tie rod in or out to align with hole in

activation assembly. Repeat step for other hydro

pump. See Figure 5.4.

HYDROPUMP!ill: HYDRO

ACTIVATION PUMP

ASSEMBLY

TIE ROD END

BOLT IS SHOWN

MISALIGN WITH

ACTIVATION

ASSEMBLY

TIE ROD END

LOOSEN NUT AND

ROTATE TIE ROD END

IN OR OUT TO ALIGN

WITH ACTIVATION

BOLT IS SHOWN

ALIGNED WITH

HOLE

FIGURE 5.4

13. Once tie rod end bolt is aligned with activation

assembly insert into hole and reinstatI washers and

nut that secure bolt to assembly. Tighten securely.

Tighten tie rod jam nut securely.

14. Start engine, disengage parking brake, and

check rotation of the rear wheels.

15. Reinstall both hydro pump fans. Reinstall

washer and bolt. Tighten bolt securely.

16. Reinstall screen and tighten retaining hardware

securely.

MOWER DECK & COMPONENT ADJUSTMENTS

The leveling procedures for the 61 deck differ from

the 48 and 52 decks. The 61 deck replaces the two

rear eyebolts with slotted brackets_ and uses 1 1/4"

leveling blocks in place of the 1_'blocks. Follow and

complete each step carefully.

5,2.1, MOWER DECK ADJUSTMENT (LEVELNESS)

SIDE to SIDE and FRONT to REAR

Before making deck leveling adjustments, inflate rear

tires to 12 PSI and front tires to 25 PSI. When

adjusted correctly, the deck will be level side to side

within 1/8", have a low cut setting of approximately 1"

(1 1/4" for 61 deck) and the blades pitched

approximately 3/16" higher at the rear.

1. Place machine on a smooth level surface.

2. Check side to side level by rotating blades until

tips are pointing to the sides of the deck. Check the

measurement of outside blade tips to the ground on

both blades. The measurement of each of the outside

blade tips should be within 1/8" of each other. If

measurement of the blade tips is not within 1/8",

adjustment should be made.

3. Move deck lift lever and set the mower deck to the

highest cutting position.

4. Relive tension on deck lift assist spring by

loosening nut on eyebolt. Refer to Section

"Removing Deck".

5. Place 1" blocks (1 1/4" for 61 deck) under the front

and rear edge of the mower deck.

6. Move deck lift lever and set the mower deck to the

lowest cutting position.

6. Loosen the nuts and bolts that secure both front

deck support chains. Adjust chains until tight and

retighten bolts and nuts. Torque to 20 to 30 ft. Ibs.

See Figure 5.5.

FRONT

LIFT ARM

DECK HANGER

BRACKET

LOOSEN BOLT AND NUT,

TIGHTEN CHAIN. SECURE

BOLTS AND NUTS

FIGURE 5.5

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 sufficient time for all parts to cool.

5.3 TRACTION BELT TENSION

The traction drive belt tension does not require

adjustment. If the belts are slipping, they will have to be

replaced.

LOCK NUT

J-BOLT

FIGURE 5.9

5.4 TRACTION BELT REPLACEMENT

1. Remove clutch to deck belt• See Figure 5.10•

2. Turn lock nut out to the end of J-Bolt, reducing

spring tension• Unhook traction idler spring from bolt

in frame• See Figure 5.9

3. Remove anti-rotation bracket. See Figure 5.10

4. Disconnect the electric clutch from main wire

harness.

5, Remove traction belts from around engine pulley

and hydro pumps.

6, Install new belts and route around engine pulley

and hydro pump pulleys.

7, Reconnect electric clutch to main wire harness.

8, Reinstall anti-rotation bracket and tighten nuts

securely.

9, Reattach traction idler spring. Run lock nut all

the way to the end of the threads on the J-Bolt.

See Figure 5.10.

10. Reinstall electric clutch to deck belt onto

electric clutch.

UNHOOK TRACTION

DRIVE IDLER SPRING REMOVEANTI-

ROTATION BRACKET

REMOVECLUTCH

TO DECK BELT

FIGURE 5.10

5.5 BLADE BRAKE/ELECTRIC CLUTCH ADJUSTMENT

The blade switch engages the electric clutch when

pulled out to the "ON" position• When the blade

switch is in the "ON_' position the cutting blade(s)

are engaged• The blade switch disengages the

electric clutch when the blade switch is pushed in

to the "OFF" position. When the blade switch is in

the "OFF" position the cutting blade(s) are

disengaged. The electric clutch is adjustable• The

blades should stop rotation in 7 seconds or less• If

the electric clutch fails to stop the blades rotation in

7 seconds, adjustment is necessary.

1. Insert a feeler gauge into the three slots on the

electric clutch•

2. Check gap through all three slots in the side of

the clutch. The gap should be set at .015•

3. If gap is incorrect rotate nuts in or out to achieve

the correct gap. See Figure 5.11.

NOTE: Electric Clutch is shown removed from the

machine• Removal is not necessary for adjustment•

GAP SHOULD BE .015

ROTATE NUTS

IN OR OUT

TO ACHIEVE

CORRECTGAP

FIGURE 5.11

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