Snapper NZMJ23521KH, NZMJ25611KH Bedienungs- und Wartungshandbuch

Safety Instructions & Operator's Manual for

MID MOUNT Z-RIDER

ZERO TURNING

HYDRO DRIVE

SERIES 1

MODELS

NZMJ23521KH

NZMJ25611KH

MODEL NUMBER EXPLANATION

INI;

MODEL DESIGNATION ._1

DRIVE SYSTEM TYPE

MOWER ORIENTATION

ENGINE HP

: I_JI _31_zl , I KHI

IENGINE TYPE

SERIES DESIGNATION

MOWER DECK SIZE

POWER UNIT

N - Model Designation 23 - Engine Horse Power 1- Series Designation KH - Kohler Engine

Z -Zero Turning - Hydro Drive 25- Engine Horse Power

M - Mid Mount Mower 52 - 52" Mower Width

J - Joystick Control 61 - 61" Mower Width

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!

SNAPPER PRODUCTS INC

SNAPPER McOooouoh

GA., 30253 U.S.A.

MANUAL No. 7-5593 (Rev I, 8/5/03)

Section 1 - FAMILIARIZATION

MOTION CONTROL

LEVER

RIGHT HAND

FUEL TANK

\OPERATOR'S

SEAT

ENGINE

SPEED

LEFT HAND

FUEL TANK

DECK LIFT

LEVER

PARKING

BRAKE LEVER

CONTROL PANEL

(SEE INSET)

DISCHARGE

DEFLECTOR, DECK LIFT PEDAL

IMPORTANT

The figures and illustrations in this manual

are provided for reference only and may

differ from your specific model. Contact

your Snapper dealer if you have questions

1.1 INTRODUCTION

This manual has been prepared for the operator's of

the SNAPPER MID MOUNT Z-RIDER Its purpose,

aside from recommending standard operating

procedures and routine service requirements, is to

promote SAFETY through the use of accepted

operating practices. Read, Understand and Follow the

IMPORTANT SAFETY INSTRUCTIONS on Pages 2

thru 4 of this manual and All SAFETY messages on the

MID MOUNT Z-RIDER and its attachments before

operating. SNAPPER recommends returning the MiD

MOUNT Z-RIDER to an authorized SNAPPER dealer

annually for inspection and addition of any new devices

which might upgrade the safety of the mower.

1.2 NOMENCLATURE

The nomenclature information above shows the

essential parts of the SNAPPER MID MOUNT Z-

RIDER. It is recommended that all operators of this

equipment become thoroughly familiar with the

controls, components, and operation of this machine

before operating. Specific details involving the engine

are found in the separate engine owner's manual.

Study these manuals before operating and keep both

handy for future reference. For the nearest SNAPPER

dealer in your area, check the yellow pages under the

heading LAWN MOWERS. For engine parts and

service, look for the engine manufacturer's dealers

under the heading, ENGINES - gasoline.

Section 2 - SAFETY MESSAGES AND SYMBOLS

DANGER !ROTATING PARTS

KEEP AWAY FROM MOVING PARTS

REVERSE

MOTION CONTROLLEVER(JOYSTICK)

MULT-D RECT ONAL

I PARKING BRAKE LEVER OPERATION I

IWEARHEAR'NGPROTECT'ON I

TO O_F._AT :

TO gT_z

-_ _ O_ %_ _ F_A_ DO_ _._ _ _E_E U_¸

I WARNING !AVOID SERIOUS INJURY OR DEATH I

STARTING, OPERATION & STOPPING OF MACHINE 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.

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.

DECK LIFT

LEVER

RELEASE

LATCH

FOOT

ASSIST PEDAL

INSERT STOP PIN

INTO HOLES FOR

DESIRED CUTTING

HEIGHT

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.

FIGURE 3.3

IMPORTANT: This machine is equipped with

hydrostatic drive. The direction of motion and the

speed of motion are controlled by the motion control

lever (joystick). A small movement of this control 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.

allow operation of the machin

personnel.

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. Use a wrench to rotate both relief

valves counter clockwise two full turns to open, After

rolling machine, both relief valves must be rotated

clockwise to close valves and tighten securely before

operating machine, Machine will not move if relief

valves are open, See Figure 3.3.

WARNING

DO NOT disengage the hydro transmission and coast

down slopes. DO NOT use Roll Release Control to

disengage the hydro transmission unless machine

motion can be controlled and engine is off.

3.2 STARTING & STOPPING - ENGINE, BLADES,

PARKING BRAKE

This machine is equipped with dual hydraulic pumps and

wheel drive motors. Each pump is controlled by a single

motion control lever or joystick. This single control lever

(joystick) controls the direction of motion, Forward and

Reverse, and the speed of motion. Move the joystick

forward to propel the machine forward. Move the control

rearward to propel the machine in reverse. The speed of

motion is continuously variable from neutral (zero) to

maximum. Moving the joystick farther from the neutral

position will cause the speed of motion to increase. To

turn, move the joystick towards the side you want to turn

to. DO NOT make sudden changes in speed or

direction. Always slow machine motion before turning.

To stop the motion of the machine, bring the joystick

back to the neutral position. Engage parking brake.

3.2.1. STARTING ENGINE

When the ignition key is turned the engine will not

start or turn over unless, the blade switch is pushed

in to the "OFF" position, the motion control lever is

in the neutral position with the parking brake

engaged.

1, Complete pre-start checklist.

2, Sit in operator's seat.

3, Push blade switch in to "OFF", blades

disengaged position and engage parking brake.

See Figures 3.2 and 3.7.

4, Move choke control forward to choke position to

start a cold engine. See Figure 3.5.

5, Move engine speed control to the Rabbit "FAST"

position. See Figure 3.5.

6, Turn key to the start position until engine starts.

See Figure 3.6.

ENGINE

CHOKE SPEED KEY

SWITCH

SHOWN FROM OPERATOR'S VIEW POINT

FIGURE 3.5

Section 3 - OPERATING INSTRUCTIONS

3.3 CUTTING HEIGHT ADJUSTMENT

1. Adjust cutting height, as desired, to any position,

using deck lift lever. The release latch should be

pulled up when lowering the deck. When raising the

deck, the release latch does not have to be pulled

up. 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 3.9 & 3.10.

2. If a specific deck height is desired each time the

machine is used, insert the stop pin to desired

cutting height. See Figure 3.11.

NOTE: The engine does not have to be running to adjust

cutting height.

DECK LIFT

LEVER SHOWN IN

HIGH CUTTING

HEIGHT

FIGURE 3.11

6HOLE POSITIONS

FOR STOP PIN

PULL RELEASE

LATCH UP WHEN

CHANGING THE

DECK HEIGHT

FIGURE 3.9

3.4 OPERATION- MOTION CONTROLS

3,4.1, DRIVING MACHINE

1. Start engine. Release parking brake.

2. Move motion control lever gently and with

caution in desired direction.

FORWARD - Move control lever forward.

REVERSE - Move control lever rearward.

LEFT TURN - Move control towards left.

RIGHT TURN - Move control towards right.

ZERO RADIUS TURN - Move control diagonally

from neutral in desired direction.

DECK LIFT

ASSIST PEDAL

FIGURE 3.10

LEVER

SHOWN IN LOW

CUTTING HEIGHT

POSITION WARNING

DO NOT make turns at high speed. Slow machine

motion. Move motion control lever gently and with

caution. DO NOT make sudden changes in speed or

direction.

Section 3 - OPERATING INSTRUCTIONS

3.4.2. STOPPING MACHINE

1. Return motion control lever to the center

neutral position.

IMPORTANT: Operator must use hand assistance

to bring the motion control lever to the neutral

position

ENGAGE

PARKING

BRAKE

FIGURE 3.12

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. ,&

I_ WARNING 'estV;I

IDO NOT park the machine on slopes. DO NOT

I machine with engine running. Stop engine,

Iblades. Engage parking brake. Remove key.

3.5 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. Parking Brake disengaged OR,

2. 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 Lever in neutral position AND,

3. Parking Brake engaged.

NOTE: The operator should be properly seated

before attempting to start engine.

ENGINE MUST BEGIN TO STOP IF:

1. Operator rises off of seat with Blade Switch in

"ON" blades engaged position OR,

2. 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 and the parking brake engaged

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

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 deck

belt.

4. Check the belt tension. The idler pulleys and

springs provide proper belt tension and require no

adjustments. If belt is frayed, slit, severed or belt

strands exposed, replace belt before operating

mower.

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

accumulation of grass clippings and debris.

e. Clean top of deck, removing all grass clippings

and debris.

5. Mower Blade Spindle -Lubrication

a. Remove footrest.

b. Lubricate with Kendall NLGI No. 2 lithium

grease or equivalent, from a grease gun until

grease purges from vent located on spindle

housing underneath deck. See Figure 4.4.

LIFT FOOT REST UP AND OFF POWER UNIT

FRAME TO GAIN ACCESS TO MOWER BELT

FIGURE 4.3

4.3 AFTER 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% manual for service

instructions.

4.3.2. MOWER COMPONENTS

1. Mower Drive Belt

No adjustment required. Replace belt as needed.

2. Mower Blade

Check blade for sharpness, wear, damage, and

torque. Refer to Section "MOWER BLADE

REPLACEMENT".

3. Mower Deck Levelness

Check mower deck for proper levelness. Adjust as

required. Refer to Section "MOWER DECK

ADJUSTMENT - LEVELNESS".

LUBRICATE

SPINDLE

ASSEMBLIES

FIGURE 4.4

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.

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 lever 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

WAY FORWARD)

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 lever controls the movement

and stopping of the machine. Move the control

lever to the center or neutral position to stop

machine. Engage the parking brake to lock the

control in the neutral position. The machine should

have no movement.

IMPORTANT: The machine must not creep

when the motion control is in the neutral

position and the parking brake is engaged,

1. Turn key to "OFF" position.

2. Move motion control lever to the neutral position

and engage parking brake. 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.

IREMOVESCREEN

FIGURE 5.1

7. Turn key to start position and start machine.

Move engine speed control to the Rabbit "FAST"

position

8. With operator properly seated, 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)

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