Snapper PRO HYDRO SPA361, PRO HYDRO SPA521, PRO HYDRO SPLHI53KW, PRO HYDRO SPA481, PRO HYDRO SPLH173KW Safety Instructions & Operator's Manual

Safety Instructions & Operator's Manual for

PRO HYDRO

WALK BEHIND MOWERS

MID-SIZE

SERIES 3

POWER UNIT MOWER UNIT

MODELS MODELS

SPLHI53KW SPA361
SPLH173KW SPA481

SPA521
SPA611

MODEL NUMBER EXPLANATION

I islPI LIHIlSl 3 IK_Vl

MODEL DESIGNATION ENGINE TYPE
MODEL TYPE SERIES DESIGNATION

MODEL OPTION ENGINE HP
DRIVE SYSTEM TYPE

S - Snapper Commercial Model

P- Pro Mid Size Model
L - Loop Type Handle Model
H - Hydro Drive System

A - Adiustabte Cuttin 9 Deck

Thank you for buying a SNAPPER Product! Before operating your PRO WALK BEHIND, 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!

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

ENGINE HORSE POWER

15 - 15.0 Engine HP
17 - 17.0 Engine HP

CUTTING DECK WIDTH

36 - 36" Cutting Deck

48 - 48" Cutting Deck
52 - 52" Cutting Deck
61 - 61" Cuttin,q Deck

3 -Series Designation KW - Kawasaki Engine

SNAPPERMcDonough,GA., 30253 U.S.A.

COPYRIGHT © 2005
SNAPPER A Division of Simplicity lqanufacturing Inc

ALL RIGHTS RESERVED

MANUAL No. 7100390 (I.R. 10/14/2005)

TP IO0-5125-1R-CW-N

IMPORTANT SAFETY INSTRUCTIONS

WARNING: This powerful cutting machine is capable of amputating hands and feet and can throw objects that
can cause injury and damage! Failure to comply with the following SAFETY instructions could result in serious

injury or death to the operator or other persons. The owner of the machine must understand these instructions

and must allow only persons who understand these instructions to operate machine. Each person operating
the machine must be of sound mind and body and must not be under the influence of any substance, which

might impair vision, dexterity or judgment. If you have any questions pertaining to your machine which your

dealer cannot answer to your satisfaction, call or write the Customer Service Department at SNAPPER,

McDonough, Georgia 30253. Phone: [phone]).

PROTECTION FOR CHILDREN

Tragic accidents can occur if the operator is not alert
to the presence of children. Children are often
attracted to the machine and the mowing activity.

Never assume that children will remain where you last

saw them.

1. KEEP children out of the mowing area and under
the watchful care of a responsible adult.

2. DO NOT allow children in yard when machine is
operated (even with the blades OFF).

3. DO NOT allow children or others to ride on

machine, attachments, or towed equipment (even

with the blades OFF). They may fall and be
seriously injured.

4. DO NOT allow pre-teenage children to operate or
service the machine. Local regulations may

restrict the age of the operator.

5. ALLOW only adults or responsible teenagers with
mature judgment under close adult supervision to

operate machine.

6. DO NOT operate blades in reverse. STOP

BLADES. LOOK and SEE behind and down for

children, pets and hazards before and while

backing.

7. USE EXTRA CARE when approaching blind

corners, shrubs, trees, or other objects that may
obscure vision.

SLOPE OPERATION

1. Slopes are a major factor related to slip and fall

accidents, which can result in severe injury. All
slopes require extra caution and slow speed. If
you feel uneasy on a slope, DO NOT mow it.

2. Mow across slopes, never up and down. Exercise
extreme CAUTION when changing directions on

slopes. Practice operation of machine on slopes
with blades off.

3. Use extra care with grass catchers or other
attachments: these affect the handling and the

stability of the machine.

4. DO NOT use tow behind attachments on slopes.

5. AVOID uphill starts.

6. Turf conditions can affect the machine's stability.

DO NOT operate machine under any condition

where traction, steering or stability is doubtful.

7. Chose a low enough ground speed setting so that
you will not have to stop or shift on a slope. Tires

may lose traction on slopes even though the
brakes are functioning properly.

SLOPE OPERATION

(Continued From Previous Column)

8. Always keep the machine in gear when going down
slopes. DO NOT shift to neutral (or actuate the hydro

roll release) and coast down hill.

PREPARATION

1. Read, understand and follow instructions and

warnings in this manual and on the machine, engine,
and attachments. Know the controls and the proper

use of the machine before starting. If the operators or
mechanics cannot read English, it is the owner's

responsibility to explain this material to them.

2. Only mature, responsible persons shall operate the

machine and only after proper instruction. The owner
is responsible for training the operators. Further, the

owner/operator can prevent and/or is responsible for
accidents or injuries occurring to themselves, other

people or property.

3. Data indicates that operators age 60 and above, are

involved in a large percentage of mower-related
injuries. These operators should evaluate their ability

to operate the mower safely enough to protect
themselves and others from serious injury.

4. Handle fuel with extra care. Fuels are flammable and
vapors are explosive. Use only an approved fuel

container. DO NOT remove fuel cap or add fuel with

engine running. Add fuel outdoors only with engine
stopped and cool. Clean spilled fuel from machine. DO

NOT smoke.

5. Practice operation of machine with BLADES OFF to

learncontrols and develop skills.

6. Check the area to be mowed and remove all objects
such as toys, wire, rocks, limbs and other objects that

could cause injury if thrown by blade or interfere with

mowing.

7. Evaluate the terrain to determine what accessories and
attachments are needed to properly and safely perform

the job. Only use accessories and attachments
approved bySNAPPER

8. Keep people and pets out of mowing area.

Immediately, STOP blades, STOP engine, and Stop
machine ifanyone enters the area.

9. DO NOT operate machine unless all shields, deflectors,
switches, blade controls and other safety devices are

in place and functioning properly.

Make sure all safety decals are clearly legible. Replace if

damaged.

A IMPORTANT SAFETY INSTRUCTIONS A

PREPARATION
(Continued From Previous Page)

10. Protect yourself when mowing and wear appropriate
clothing including safety glasses, long pants, ear

protection, hardhat and substantial footwear with

good traction. Long hair, loose clothing or jewelry
may get tangled in moving parts.

11. Know how to STOP blades and engine quickly in

preparation for emergencies.

12. Use extra care when loading or unloading the

machine into a trailer or truck.

13. Check grass catcher components frequently for
signs of wear or deterioration and replace as needed

to prevent injury from thrown objects going through
weak or worn spots.

SAFE HANDLING OF GASOLINE
To avoid personal injury or property damage, use

extreme care in handling gasoline. Gasoline is extremely
flammable and the vapors are explosive

1. Extinguish all cigarettes, cigars, pipes and other
sources of ignition.

2. Use only an approved fuel container.

3. DO NOT remove fuel cap or add fuel with the engine

running. Allow the engine to cool before refueling.

4. DO NOT refuel the machine indoors.

5. DO NOT store the machine or fuel container inside
where there is an open flame, spark or pilot light such

as on a water heater or other appliances.

6. DO NOT fill fuel containers inside a vehicle or on a

truck or trailer bed with a plastic liner. Always place
the containers on the ground away from the vehicle

before filling.

7. Remove gas-powered equipment from the vehicle or

trailer and refuel it on the ground. If this is not

possible, then refuel equipment using a portable

container, rather than a gasoline dispenser nozzle.

8. DO NOT start gas powered equipment in enclosed
vehicles or trailers.

9. Keep the nozzle in contact with the rim of the fuel
tank or container opening at all times until fueling is

complete. DO NOT use a nozzle lock-open device

10. If fuel is spilled on clothing, change clothing

immediately.

11. DO NOT overfill a fuel tank. Replace fuel cap and

tighten securely.

OPERATION

1. DO NOT put hands or feet near or under rotating
parts. Keep clear of the discharge area while the

engine is running.

2. BEFORE STARTING ENGINE, blades must be OFF
and Traction Levers LOCKED in the Traction Lock

position.

OPERATION

(Continued From Previous Column)

3. Stop Blades when crossing gravel drive, walks, and

under any conditions where thrown objects might be

a hazard.

4. DO NOT raise deck with the blades running.

5. Mow only in daylight or good artificial light.

6. USE EXTRA CARE when approaching blind corners,
shrubs, trees or other objects that may obscure

vision.

7. DO NOT operate the machine while under the

influence of alcohol or drugs.

8. After striking aforeign object or if the mower vibrates
abnormally, STOP the blades and engine. Remove the

key. Disconnect and secure the spark plug wire.
Inspect the mower for any damage and repair the

damage.

9. DO NOT operate machine near drop offs, ditches,
embankments, washouts culverts, fences and

protruding objects. STAY ALERT for holes and other
hidden hazards. Tall grass can hide obstacles.

10. DO NOT operate machine on wet grass. Always be
sure of your footing while operating machine,

especially while backing up. Keep a firm grip on the

handle. Walk: never run. Slipping and falling could

cause injury.

11. DO NOT leave the machine with the engine running.
STOP BLADES, STOP ENGINE and REMOVE KEY

before leaving the operator position for any reason.

10. Before cleaning, repairing, or inspecting make

certain blades, engine and all moving parts have
STOPPED. Remove key and secure spark plug wire
away from spark plug key to prevent accidental

starting,

12. STOP MACHINE on level ground, engage parking

brake (if equipped) and make sure engine and blades
have stopped before leaving the operator's position

for any reason including removing grass catcher or

unclogging mower to prevent injury to hands or feet.

13. Blades must be OFF except when cutting grass. Set

blades in highest position when mowing over rough

ground.

14. Keep hands and feet away from rotating blades

underneath deck.

15. DO NOT operate machine without entire grass
catcher or guards in place. DO NOT point discharge

at people, passing cars, windows or doors.

16. Slow down before turning.

17. Watch out for traffic when near or crossing roadways.

18. Move motion control levers SLOWLYto maintain
control during speed and directional changes.

19. DO NOT operate engine in enclosed areas. Engine
exhaust gases contain carbon monoxide, a deadly

poison.

3

A IMPORTANT SAFETY INSTRUCTIONS

MAINTENANCE

1. Shut off fuel while storing or transporting. DO NOT

store machine or fuel container inside where
fumes may reach an open flame, spark or pilot light

such as in a water heater, furnace, clothes dryer or
other gas appliance. Allow engine to cool before
storing machine in an enclosure. Store fuel

container out of the reach of children in a well
ventilated, unoccupied building.

2. Clean grass and debris from engine, mufflers,
drives and cutting units to help prevent fires. Clean

up fuel, oil and excess grease.

3. When draining fuel tank, drain fuel into an
approved container outdoors and away from open

flame.

4. Check brakes frequently (if equipped); adjust,

repair or replace as needed.

5. Keep all bolts, nuts and screws properly tight.
Check that all cotter pins are in proper position.

6. Always provide adequate ventilation when running
engine. Exhaust gases contain carbon monoxide,
an odorless and deadly poison

7. Disconnect battery before performing maintenance
or service. Cranking engine could cause injury.

Disconnect negative (black) cable from battery first

and positive (red) last. Reconnect positive first and

negative last. Charge battery in an open well

ventilated area, free from spark and flames. Unplug
charger before connecting or disconnecting from

battery. Wear protective clothing and insulated

gloves.

8. Park machine on level ground. DO NOT work

under machine without safety blocks.

9. Service engine and clean, adjust or repair only
when engine and blades are stopped. Remove key.

Remove spark plug wire(s) from spark plug(s) and

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

10. DO NOT change engine governor speed settings or
overspeed engine. DO NOT make adjustments with
the engine running.

11. Lubricate machine at intervals specified in manual
to prevent controls from binding.

12. Mower blades are sharp and can cut. Wrap the

blades or wear heavy leather gloves and use
CAUTION when handling them. DO NOT straighten
or weld blades, only replace them.

13. DO NOT test for spark by grounding spark plug

next to spark plug hole; spark plug could ignite
gas exiting engine.

14. Carefully release pressure from components with
stored energy.

15. Have machine serviced by an authorized
SNAPPER dealer at least once a year and have the

dealer install any new safety devices. DO NOT
allow untrained personnel to service the machine.

16. Use only genuine SNAPPER replacement parts to
assure that original standards are maintained.

A

4

TABLE OF CONTENTS

IMPORTANT SAFETY INSTRUCTIONS .................................................................................. 2-4

TABLE OF CONTENTS ............................................................................................................... 5

SECTION 1 - FAMILIARIZATION ................................................................................................ 6

SECTION 2 - SAFETY MESSAGES, SYMBOLS AND CONTROLS .................................... 7-10

Safety Messages and Symbols .................................................................................. 7-9

Engine Controls ........................................................................................................... 10

Blade and Traction Controls ....................................................................................... 10

TO ROLL MACHINE - Pressure Relief Valve Adjustment ........................................ 10

SECTION 3 - OPERATING INSTRUCTIONS ....................................................................... 11-17

Pre-Start Checklist ....................................................................................................... 11

Hydraulic Oil Reservoir ............................................................................................... 11

Engine Oil ..................................................................................................................... 11

Before Operating .......................................................................................................... 11

Safety Interlock System Checks ................................................................................. 11

Stopping ........................................................................................................................ 12

Starting and Operating ................................................................................................ 12

Traction Speed Control ............................................................................................... 13

Reverse Speed ............................................................................................................. 13

Mower Operation ..................................................................................................... 13-14

Mowing and Turning on Hillsides .............................................................................. 14

Handle Height Adjustment ..................................................................................... 14-16

Cutting Height Adjustment (Fixed Decks) ................................................................. 16

Adjusting Caster Wheels (Fixed Decks) .................................................................... 16

Adjusting Blade on Cutter Spindle (Fixed Decks) .................................................... 16

Adjusting Fixed Deck Attachment ............................................................................. 17

Cutting Height Adjustments for Adjustable Deck Attachments ............................. 17

SECTION 4 - SERVICE ......................................................................................................... 18-23

Engine Troubleshooting .............................................................................................. 18

Service & Lubrication Information ........................................................................ 19-20

Maintenance Replacement Parts ................................................................................ 20

Electric Clutch Adjustment ......................................................................................... 21

Hydraulic Systems Adjustments & Service .............................................................. 21

Pump/Motor Replacement ........................................................................................... 21

Hydraulic Pump Belt Removal & Installation ....................................................... 21-22

Replacement Parts ....................................................................................................... 22

Machine Speed Control Ranges ................................................................................. 22

Traction Control Neutral Adjustment ......................................................................... 23

SECTION 6 - MOWER ATTACHMENT SERVICE ............................................................... 24-26

36" CUTTING DECK

Cutting Deck Belt Removal & Installation ................................................................. 24

48" I 62" I & 61" CUTTING DECK

Cutting Deck Belt Removal & Installation ................................................................. 24

Cutting Deck Spindle Belt Removal & Installation .............................................. 24-26

CUTTING BLADE SERVICE

Blade Inspection .......................................................................................................... 26

Blade Removal & Sharpening ..................................................................................... 26

MOWER SPINDLES

Field Serviceable Spindles, Bearing Replacement .................................................. 26

SECTION 6 - BATTERY SERVICE & TESTING ................................................................... 27-28

WARRANTY and PRODUCT REGISTRATION ................................................................... 29-30

PRIMARY MAINTENANCE ................................................................................................... 31-34

SECTION 1 - FAMILIARIZATION

RIGHT HAND
TRACTION

LEVER

OPERATOR'S PRESENCE

CONTROL(OPC)

NEUTRAL

LATCH

KEY
SWITCH

HYDRAULIC

PUMPS (Not
Shown)

FUEL SHUT-OFF J
VALVE (Not Shown)

HYDRAULIC DRIVE
MOTOR
(Behind Each Rear
Wheel)

FILL/CHECK CAP
(Hydraulic Reservoir)

SPEED
CONTROL

LEVER

LEFT HAND
TRACTION

LEVER

BLADE CLUTCH
CONTROLSWITCH

CONTROL

FILLER CAP

FUELTANK

STARTER ROPE

AIR FILTER

REARTIRES

DECK HEIGHT
ADJUSTING

CRANK

COVER
RETAINING

KNOBS

t"

CASTER
WHEEL

ASSEMBLY

DISCHARGE
DEFLECTOR

MUFFLER

FIGURE 1.1

1.1 INTRODUCTION

This manual has been prepared for the operator's of the
SNAPPER PRO HYDRO WALK BEHIND MOWER. It's

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 PRO

HYDRO WALK BEHIND MOWER and its attachments
before operating. SNAPPER recommends returning the

machine to an authorized SNAPPER dealer annually for
inspection and addition of any new devices which might
upgrade the safety of the mower.

FRONT
TIRES

COVER

DECK

(48"Shown)

1.2 NOMENCLATURE
It is recommended that all operator's 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

! IMPORTANT SAFETY AND OPERATING INSTRUCTIONS !

READ, UNDERSTAND AND FOLLOW INSTRUCTIONS AND WARNINGS IN

THIS MANUAL, AND ON THE MACHINE, ENGINE AND ATTACHMENTS.

SECTION 2 - SAFETY MESSAGES AND SYMBOLS

I BLADES ENGAGED"ON" I

1 LEFT TRACTION LEVER 1 [ BLADES DISENGAGED''OFF''SQUEEZEFOR LEFT TURN

"STOP .... RUN"

ENGINE ] [ ENGINE

iLATC"_OI_, /

FORWARD

SPEED
RANGE

SETTING

RIGHT TRACTION LEVER

SQUEEZE FOR RIGHT TURN

I

NEUTRAL LATCH

USE TO LATCH

TRACTION

LEVERS IN

NEUTRAL

READ

OPERATOR'S

MANUAL

SPEED

RANGE

SETTING

8

SECTION 2 - SAFETY MESSAGES AND SYMBOLS

DANGER! ROTATING BLADES

KEEP CHILDREN AND OTHERS OUT OF MOWING AREA

DANGER! ROTATING BLADES

ENGINE AND COMPONENTS ARE HOT.
ALLOW ALL PARTS TO COOL BEFORE
ADJUSTING OR WORKING ON MACHINE

9

SECTION 2 - CONTROLS

Before operating, become familiar with all the

controls (See Figure 2.1A) and how to use them.

Know beforehand how to STOP the Right Hand

and Left Hand Traction Wheel Drives, the Mower

Blades, and the Engine in preparation for a
possible emergency.

2.1 ENGINE CONTROLS -
A. Engine Speed Control

B. Keyswitch
C. Operator's Presence Control (OPC)

D. Engine Recoil Starter Handle (Not shown)

When the Operator's Presence Control (OPC) is

released, the machine will continue to operate a few

_Ik WARNING

feet. DO NOT use this Operator's Presence Control

(OPC) to rout ney stop the mach ne.

(C) OPERATOR'S PRESENCE
CONTROL (OPC)

(AT REAR HANDLEBAR)

(2) RIGHT HAND
TRACTION LEVER

(1) BLADE CLUTCH
CONTROL SWITCH

2.2 BLADE AND TRACTION CONTROLS

1. Blade Clutch Control Switch

2. R.H. Traction Lever

3. L.H. Traction Lever

4. Neutral Latch

5. Speed Control Lever

Neutral Latch is not intended to be used as a park

_ WARNING

brake. DO NOT park machine on slopes.

_k, WARNING

To avoid sudden and unexpected turning, both
Traction Controls must be moved the same way

when starting or stopping machine motion.

(3) LEFT HAND
TRACTION LEVER

(4) NEUTRALLATCH

(B) KEY SWITCH

HANDLEBAR

(1) BLADE CLUTCH

CONTROL SWITCH

(5) SPEED
CONTROLLEVER

\

In \"_"

FIGURE 2.1A

IMPORTANT: To roll the machine without the

engine running, turn both pressure relief valves
counter-clockwise 1/2 turn. Turn valves clockwise to

tighten for machine operation.

(A)ENGINE SPEED CONTROL

VIEW OF CONTROL PANEL

(Rear of Machine) FROM
OPERATOR'S POSITION

(B) KEY SWITCH

©

I

PRESSURE RELIEF"

VALVE

FIGURE 2.1B

10

SECTION 3 -OPERATING INSTRUCTIONS

allow operation of the machin

T

personnel.

3.1 PRE-START CHECKLIST

Make the following checks and perform the services as
required before each start-up.

IMPORTANT: Before starting your SNAPPER Pro
Hydro machine, the hydraulic reservoir and engine

MUST be filled to the proper level with oil.

Use approved fuel container. DO NOT smoke near
open fuel container. DO NOT fill fuel tank indoors or

when engine is running. Allow engine to cool for at
least ten minutes before refilling. Wipe off any

spilled fuel before starting engine. DO NOT run
engine indoors.

7. Add fuel to tank after pushing the machine outside where

FUMES can be dissipated. Make sure Fuel Tank Cap is

tightened after refueling. (Refer to Engine Owner's

Manual for Fuel specifications).

WARNING

3.1.1, HYDRAULIC OIL RESERVOIR: Use SAE 10W-

30 oil. Flit reservoir with oil until the level comes to
within 1-1/2 inches from the top of the filler neck.

Check on level surface with engine off. See Figure 3.1.

OIL FILL

-- LINE

HYDRAULIC OIL

RESERVOIR

FIGURE 3.1

3.1.2. ENGINE OIL: Add oil as needed to bring up to,

but not over, the FULL mark. Refer to the Engine

Owner's Manual for oil specifications.

1. If required, make cutting height adjustments. Refer
to Section "CUTTING HEIGHT ADJUSTMENT".

2. Check tires and add air as needed to bring pressure
to 25 PSI in front tires and 12-15 PSi in rear tires.

3. Check Guards, Deflectors and Belt Covers to make
sure all are in place and secure.

4. Check condition of Cutter Deck Belt(s). If damaged,
replace before operating machine. Refer to Section

"CUTTER DECK BELT REMOVAL".

5. Clean Interior and Exterior surfaces of Cutting Deck
and clean Engine of any accumulation of dirt, grass,

oil, etc. Keep Engine Air Intake Screens and Cooling
Fins clear at ALL times.

6. Check Engine Oil Reservoir and add oil as needed
to bring level up to but not over the FULL mark.

(Refer to Engine Owner's Manual for oil
specifications).

IMPORTANT: FLUID LEVEL MUST

BE ABOVE TOP OF BAFFLE.
RESERVOIR CAPACITY IS ONE (1)

GALLON. DO NOT OVERFILL.

3.1,3, BEFORE OPERATING

Be thoroughly familiar with ALL controls and know how to
use them before operating the mower. Know beforehand
how to STOP the Traction Drive Wheel Motors, Mower

Blades and Engine in preparation for a possibleemergency.

3,2 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 beforeoperating the machine. Perform the following

interlock system checks periodicallyduring the operating
season. Contact your authorized Snapper dealer if you have

questions.

Ij , WARNING

DO NOT operate machine if any safety interlock or safetyI
device is not in place and functioning properly. DO NOT I

attempt to defeat, modify or remove any safety device. I

1. Place right and left Traction Levers inthe "Neutral"

position and latch. Move the Blade Clutch Switch to the
"Off' position. Refer to Section "Starting and Operation".

Start engine.

2. Hold OperatoCs Presence Control against handle. DO
NOT move the Traction Levers to the "Unlatched"

position.

3. Move Blade Clutch Switch to the "On" position. Release
OperatoCsPresence Control. The engine and blades

must begin to stop. Move Operator's Presence Control
against handle before engine and blades come to a

complete stop.

4. Move Blade Clutch Switch to the "Off' position.

5. In anopen area, with blades "Off', move Speed Control
Lever selecting a slowforward speed. Drive machine
forward. Refer to Section, "TRACTION SPEED

CONTROL".

6. Release Operator's Presence Control. Engine and
machine must begin to stop. Move OperatoCs Presence

Control against handle before engineand machine
comes to a complete stop. Latch Traction Levers in

"Neutra!".

7. Tum Key Switch to"Stop" position. Engine must die.

11

SECTION 3 -OPERATING INSTRUCTIONS

3.3 STOPPING

IMPORTANT: Squeezing both Traction Levers back past

Neutral position will cause the machine to back up.

1. Squeeze both Traction Controls simultaneously
towards handle bar until both are in Neutral.

Manually engage the Neutral Latch. See Figure 3.2.

LEFT HAND

RIGHT HAND TRACTION
TRACTION LEVER

LEVER /

NEUTRAL LATCH

FIGURE 3,2

CHOKE
POSITION

DO NOT leave machine with the engine running.
STOP engine. STOP blades. Latch both Traction

Levers in the Neutral position, Move Speed Control to
slow. Remove key.

ENGINE

SPEED

FIGURE 3.3

WARNING

2. Move Blade Clutch Control Switch to OFF position.

3. Move Engine Speed Control to SLOW (Turtle)
Position.

4. Stop Engine by turning Keyswitch to STOP position.
Always park machine on level surface. Remove key.

3.4 STARTING AND OPERATING

3.4.1, ENGINE - START ENGINE AS FOLLOWS:

1, Turn Fuel Tank Shut-OffValve ON.

2, Move Blade Clutch Control Switch to OFF position.

3. Be sure Right Hand and Left Hand Traction Levers are
latched in NEUTRAL position.

4. Move Engine Speed Control to "FAST/CHOKE"
position. See Figure 3.3.

5, Turn Key Switch to RUN position.

6, Pull Starter Rope until Engine starts.

7. Move Engine Speed Control to "FAST" position.

Ia, a.I

DO NOT park machine on slopes.

12

SECTION 3 -OPERATING INSTRUCTIONS

WARNING

The SNAPPER Pro Hydro Mowers have a Transport
Speed, which allows the machine to travel forward at a
speed of 6 MPH - it is NOT to be used while walking!

Use the Transport Speed ONLY when the machine is

equipped with a Riding Sulky! DO NOT make sharp
turns at high speed! The machine has "zero-turn"
capability; DO NOT use "zero-turn" at high speed.

During initial training time with machine, it is advised

that the Operator(s) practice with the Speed Control

Lever in the slowest travel speed position and Blade
Engagement Switch in the OFF position

3.5 TRACTION SPEED CONTROL

3.5.1. FORWARD SPEED

1. Hold Operator's Presence Control (OPC) against

handlebar.

2, Move Speed Control Lever forward slightly, selecting

a slow travel speed.

3. While holding both Traction Levers in the neutral
position, release Neutral Latch Lever by squeezing
both Traction Levers slightly rearward.

4. Simultaneously (and slowly), release both Traction
Levers. Machine will begin to move forward.

8. Adjust Speed Control Lever to a comfortable travel
speed. See Figure 3.4.

6. Proceed to go forward while allowing the machine to
travel in a straight line. If the machine tracks towards
the LEFT or RIGHT, it can be brought back to a
straight path by moving the Speed Control Lever in
the desired direction of travel. See Figure 3.4.

7. Squeeze the appropriate Traction Lever to turn the
machine either LEFT or RIGHT. If either Traction

Lever is squeezed tightly against the handlebar, it will
cause the machine to quickly spin around or zero turn

to that side - BE CAREFUL!

MOVE SPEED CONTROL LEVER TO

OR RIGHT TO ADJUST

MOWER FOR STRAIGHT TRAVEL

WARNING AI

The tighter the Traction Levers are squeezed back[

towards the handlebar, the faster the machine will[

move in reverse. Use extreme CAUTION when[

reversing machine! I

3.5..2. REVERSE SPEED

1. Hold OperatoCs Presence Control (OPC) against

handlebar.

2. Move Blade Control Switch to OFF position.

3. To reverse direction of the machine, stop machine

travel by squeezing both Traction Controls back to the

Neutral position and move the Neutral Latch to engage

and hold both Traction Levers in Neutral.

4. To start machine movement, simultaneously squeeze
both Traction Levers SLOWLY back towards the

handlebar, allowing machine to start reverse
movement. See Figure 3.5.

5. To STOP reverse movement of machine, return both

Traction Levers to Neutral and engage the Neutral

Latch.

SLOWLY SQUEEZE BOTH TRACTION LEVERS BACK
TOWARDS THE HANDLEBAR AT THE SAME TIME TO
START REVERSE MOVEMENT

FIGURE 3.4

WARNING

DO NOT operate blades in reverse. STOP blades.
LOOK and SEE behind and down for children, pets

and hazards before and while backing.

NEUTRAL
LATCH

FIGURE 3.5

WARNING

Start mowing with a slow ground speed.

3.6 MOWER OPERATION

1. Hold Operator's Presence Control (OPC) against

handlebar.

2, Move Engine Speed Control to the FAST (Rabbit)

3. Move Blade Control Switch to ON position.

4. Move Speed Control Lever forward, selecting a slow

position. See Figure 3.3.

travel speed.

13

I

SECTION 3 -OPERATING INSTRUCTIONS

3.6 MOWER OPERATION (Continued from

Previous Page)

5. While holding both Traction Levers in the neutral

position, release the Neutral Latch by squeezing both
Traction Levers slightly rearward.

6. Simultaneously (and slowly), release both Traction
Levers. Machine will begin to move forward.

7. Adjust Speed Control Lever to a comfortable travel
speed.

8. Proceed to go forward while allowing machine to
travel in a straight line. If the machine has a tendency

to track towards the LEFT or RIGHT, it can be
brought back to a straight path by moving Speed

Control Lever in the desired direction of travel. See
Figure 3.4.

9. Squeeze the appropriate Traction Lever to turn the
machine either LEFT or RIGHT.

10. If either Traction Lever is squeezed tightly against
the handlebar, it will cause the corresponding wheel
to reverse direction and "zero-turn" the machine. BE

CAREFUL!

DO NOT use Rider Attachment (Sulky) on slopes!
DO NOT park machine on slopes.

3.7 MOWING AND TURNING ON HILLSIDES

1. Always mow hillsides starting at bottom of hill. Mow
across slopes, never up and down. Exercise
CAUTION when changing directions on slopes. DO
NOT MOW STEEP SLOPES, See Figure 3.6.

2. Hillside mowing is accomplished by squeezing
Traction Lever on the UPHILL SIDE of machine. This

helps prevent side slipping of mower.

3. When turning mower on hillsides, always turn toward
the UPHILL SIDE of mower for better control and

balance.

SQUEEZE TRACTION LEVER ON

UP-HILL SIDE OF MOWER

WARNING

3.8 HANDLE HEIGHT ADJUSTMENT

For operator comfort the height of the handlebars are
adjustable to five different positions. The handle height

adjustment procedure is sensitive and the following
procedures and WARNINGS must be followed very

carefully.

WARNING

Several steps of the handle bar height adjustment
procedure require that the engine be started.

Exercise extreme CAUTION when making
adjustments while the engine is running to avoid
HOT engine components, rotating components, run

over or entrapment types of injuries.

IMPORTANT: To complete this procedure, a steel rod

5/16" diameter and 20" long will be required. DO NOT
begin this procedure without it.

WARNING

DO NOT attempt any maintenance, adjustments or
service with the engine running. Stop engine. Stop

blades. Latch Traction Levers in neutral. Move
Speed Control lever to SLOW. Remove key.

Disconnect spark plug wires from spark plugs and
secure wires away from spark plugs. Engine and

components are HOT. Avoid serious burns, allow all
parts to cool before working on machine.

STEP 1: Move machine to smooth level place. Raise
rear of machine just high enough for drive wheels to

clear the floor and be able to rotate freely. Block
machine securely to prevent it from falling.

STEP 2: Place both Traction Levers in the Neutral
position and engage Neutral Latch. See Figure 3.7.

TRACTION NEUTRAL SELF LOCK
CONTROL LATCH

ARMS COTTER PIN

JAM NUT

* ALWAYS START AT BOTTOM OF HILL!

* ALWAYS MOW ACROSS HILL - NEVER

uP & DOWN. ALWAYS TURN

MOWER TOWARD
HILL

FIGURE 3.6

, W,VEL

TRACTION CONTROL
RODS

FIGURE 3.7

(Continued on Next Page)

14

SECTION 3 -OPERATING INSTRUCTIONS

3.8 HANDLE HEIGHT ADJUSTMENT

(Continued from previous page)

STEP 3: Insert rod (5/16" diameter x 20" long) through
alignment holes in the left and right traction control shift

lever arms and the tank support bracket. The rod

should pass through both the left and right traction
control shift lever arms. See Figure 3.8.

LEFT & RIGHT TRACTION

CONTROL SHIFT LEVER ARMS

....TANK SUPPORT BRACKETS

FIGURE 3.8

STEP 4: Disconnect the swivel from the right and left

traction control arms and loosen swivel jam nuts. See

Figure 3.7.

STEP 5: Loosen the upper bolt and nut on right and

left side of Mower which holds Handlebar to Support
Bracket. Remove the lower bolt and nut on each side.

Retain this hardware. See Figure 3.9.

REMOVELOWER

BOLT & NUT

STEP 7: Adjust swivel (Clockwise or Counter-
Clockwise) until the pin on the swivel aligns perfectly

with the hole in the traction control arm. The traction
control lever must be held in the Neutral Latch position

when making this adjustment. Complete this
adjustment for both left and right swivels. Carefully

reattach and secure swivels to control arms. Tighten
swivel jam nuts. IMPORTANT: Both the left and the

right swivels must be installed in the same traction
control arm speed range setting. Mid range (middle

hole) setting is recommended.
STEP 8: Remove steel rod from shift lever arms.

STEP 9: Check to insure machine is securely blocked.
Start engine. Drive wheels should not rotate with both

Traction Levers latched in the Neutral position. If no
rotation is observed the handlebar adjustment

procedure is complete. If wheels do rotate proceed to
next step. STOP ENGINE.

STEP 10:Wheel rotation will be stopped by adjusting
the eccentric on the pump arms on the right and left

pumps. Turning the eccentric slightly clockwise or
counter-clockwise will synchronize the pump and

traction controls for Neutral. See Figure 3.10. To turn
the eccentric, first loosen the bolt in the pump control

arm and the nut and bolt fastening the eccentric to the
pump control arm. With both Traction Levers latched in

Neutral, start engine. Turn eccentric slightly clockwise
or counter-clockwise until wheels stop rotating. Tighten

control arm bolts and eccentric nut and bolts. Check for
wheel rotation. Repeat eccentric adjustment if needed.

TRACTION
CONTROL SHIFT

LEVER ARM

I

LOOSEN BOLT
CONNECTED

ARM I

LOOSEN BOLT & NUT THAT
CONNECTS ECCENTRIC TO CONTROL
ARM

FUEL CLOCKWISE
TANK/HANDLEBAR •

SUPPORT BRACKET I
SHOWN IN PHANTOM _ _ '

I

CLOCKWISE OR COUNTER-

ROTATE ECCENTRIC

i .J

[ LEFT SIDE OF MACHINE SHI3WN /

i

t
1

DLEBAR

I
I
I
I
I

/-

FIGURE 3.9

STEP 6: Pivot the Handlebar up or down and reinsert

bolt and nut into desired hole position on each side.

Tighten both upper and lower bolts and nuts on each
side to 35 to 45 ft. Ibs.

FIGURE 3.10

15

SECTION 3 -OPERATING INSTRUCTIONS

3.9 CUTTING HEIGHT ADJUSTMENT

(Fixed Decks)

The Mower has three methods of adjusting cutting

height listed as follows:

1. Moving position of BLADE on cutter spindle shaft.

2. Moving position of CASTER WHEEL on support.

3. Moving position of MOWER DECK on power unit.

WARNING

DO NOT attempt any maintenance, adjustments or

service with the engine running. Stop engine. Stop

blades. Latch Traction Controls in neutral. Move

Speed Control lever to SLOW. Remove key.

Disconnect spark plug wires from spark plugs and

secure wires away from spark plugs. Engine and
components are HOT. Avoid serious burns, allow

all parts to cool before working on machine.

3.10 ADJUSTING CASTER WHEELS

The Caster Wheel Assembly has four (4) 1/2" and one

(1) 1/4" thick spacer. The 1/4" thick spacer always

stays on the stop side of the caster support tube. The

1/2" thick spacers are used to adjust the cutting height.

When placed above or below Caster Support Tube,
they raise or lower cutting height in 1/2" increments,

thus providing a "Quick-Adjust" method. The deck

mounting has to be changed to correspond to the

caster repositioning. Refer to Section "ADJUSTING

FIXED DECK A'FrACHMENT".

1. Remove the Retainer Pin from Caster Shaft. See

Figure 3.11.

CASTER

CASTER SHAFT

SUPPORT
TUBE

\

NOTE: Remove (or add) Spacers by rotating slots so
they align with the flat area on Caster Shaft.

/ SLOT

SPACERS

FLAT BEFORE INSERTING
AREA RETAINER PIN.

FIGURE 3.12

3.11 ADJUSTING BLADE ON CUTTER SPINDLE

To change cutting height of Blades, move the Spacers from
under the Cutter Housingto above the Cutter Housing Pulley.

Each Spacer moved above the Cutter Housing Pulley will
provide an additional 1/4" of cutting height. DO NOT PUT

ANY SPACERS BELOW BLADE! See Figure 3.13.

CUTTER

FIGURE 3.13

SPACERS ON

NOTE: Changing the cutting height of Blades DOES

NOT change the Deck ground clearance. If an
undesirable cutting pattern results, then cutting height

adjustment MUST be made by adjusting Mower Deck
height and Caster Wheels.

FIGURE 3.11

2. Lift Caster Support Tube while adding or removing
the bottom Spacer. See Figure 3.12.

\

\

PIN

ASSEMBLY

Install Blades (Air-Lift UP) with retaining hardware as

shown below and tighten to 70-80 ft. Ibs.
See Figure 3.14.

AIR LIFT

HEIGHT

ADJUSTING

SPACERS

MOUNTING
BOLT

TIGHTEN TO 70-80
FOOT POUNDS

BLADE

BEVELED

WASHER

FIGURE 3.14

16

SECTION 3 -OPERATING INSTRUCTIONS

3.12 ADJUSTING FIXED DECK ATTACHMENT

The Mower Deck has four different positions for
attaching it to the power unit. The lowest setting

provides a cutting height range from 1 1/2" to 2 1/2", the
middle low cut from 2 1/4" to 3 1/4", the middle high cut

from 3" to 4", and the highest cut from 3 3/4" to 4 3/4".

Make sure the Spacers on the Caster Wheels are
moved UP or DOWN as shown below to correspond

with the bolt positions to keep the Mower Deck level.
Once a desired cutting height is reached, attach the

Mower Deck to the power unit by installing 3 bolts on

each side in selected height of cut holes. Tighten the

bolts from 70 to 80 foot pounds torque.

SIDE PROFILE OF MACHINE

FIGURE 315A

SPACERS (4) POWER UNIT

LOW CUT: 1-1/2" TO 2-1!2"

FIGURE 3.15B

SPACERS (3)

SPACERS (4)

HIGH CUT: 3-3/4" TO 4-314"

FIGURE 3.15 (D)

3.13 CUTTING HEIGHT ADJUSTMENTS FOR

ADJUSTABLE DECK ATTACHMENTS

1,

The Mower Deck should be mounted in the lowest

holes (low cut) on the power unit.

2,

To adjust height of cut, turn both Cranks (located on

right hand and left hand side of deck) clockwise to
raise the Mower Deck and counter-clockwise to

lower the Mower Deck. Observe the height of cut
decal located on the side of the Mower Deck

mounting plates and move the height of cut pointers
in the same desired position. See Figure 3.16.

3,

If pointers are in the correct position and you still
have an uneven cut, follow the instructions as listed

below to correct the problem:

A. Rotate outer Blades to point toward the sides of

the Mower Deck (make sure Mower is on level
surface).

B. Measure the distance from Blade tip to the

ground. Measure both outside Blades. This
measurement should be the same as what the

height of cut pointer reads on both sides.

C. If measurement is NOT the same, then bend both

height of cut pointers UP or DOWN to read the
same as Blade tip measurements.

MIDDLE LOW CUT: 2-1!4" TO 3-1/4"

FIGURE 315¢ SPACER (1)

MIDDLE HIGH CUT: 3" TO 4"

FIGURE 3.15 (A,B,C)

17

CRANK

REAR
EDGE OF

CUTTING

DECK

TURN CLOCKWISE TO

RAISE DECK

\

HEIGHT

DECAL

HEIGHT OF CUT MOWER DECK
POINTER MOUNTING

(48", 52", & 61" Models) BRACKET

FIGURE 3.16

SECTION 4 - ENGINE TROUBLESHOOTING

SYMPTOM

Engine

does not
start..

Engine

Starts Hard
or Loses

Power.

Engine
Runs

Erratically.

Engine
Idles Poorly.

PROBLEM

Key OFF.
Fuet Tank empty.

Fuel Shut-Off Closed.
Engine Throttle Control not at FAST
(Rabbit) position.

Choke NOT closed.
Spark Plug Wire loose or disconnected.

Blade Clutch Switch in ON position.

Spark Plug bad.

Dirty Air Filter.

Traction Controls not Latched in Neutral.

Dirt or water Fuel Tank.

Air Filter dirty.
Spark Plug not gapped correctly.

Spark Plug bad.

Spark Plug bad.
Spark Plug not gapped correctly.

Fuel Filter plugged or dirty.

Dirty Air Filter.
Fuel Filter plugged

SOLUTION PAGE

Turn Keyto Run. 12

Fill Fuel Tank. 11

Open Fuel Shut-Off. 12

Put Engine Throttle Control to FAST (Rabbit) 12
position.

Put Throttle Control in CHOKE position. 12
Connect Spark Plug Wire. (See Engine Manual)

Move Blade Clutch switch to OFF position. 6
Install new Spark Plug. (See Engine Manual)

Clean Air Filter. (See Engine Manual)

Move Traction Controls to NEUTRAL & 12
Engage Neutral Latch Lever

Drain and clean Fuel Tank, fill with fresh
Fuel. 11

Clean or install new Air Filter. (See Engine Manual)
Check and set Spark Plug gap. (See Engine Manual)

Install new Spark Plug. (See Engine Manual)

Install new Spark Plug.

Check and gap spark plug gap.

Replace Fuel Filter.

Clean or replace Filter.

Replace Fuel Filter.

(See Engine Manuai)
(See Engine Manual)

(See Engine Manual)

Engine

Overheats.

Machine

Vibrates

Excessive.

Engine
Dies.

Engine Oil low in Crankcase.

Cooling Fins & Flywheel Screen Clogged.

Blade Mounting Bolts loose.
Blade out of balance.

Engine Mounting Bolts loose.

Mowing grass too tail.
Mowing too fast.

Add Oil. (See Engine Manual)
Clean Fins & Screen

Tighten Blade Mounting Bolts.
Sharpen and balance Blade.

Tighten Mounting Bolts. (See

Adjust cutting height. 16, 17

Reduce traveI speed. 13

16, 25

25

Engine Manual)

18

SECTION 4 - SERVICE & LUBRICATION INFORMATION

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

IN-LINE FUEL FILTER

TRACTION LEVERS
Lubricate each with 1-2 shots of

grease every 25 hours of operation.

CONTROLS & LINKAGES Replace every 100

Before each mowing period, coat all wear =......................................... •

points, hinge points and sliding parts with
medium duty oil.

(Not Illustrated)

INTERLOCK SWITCHES
Inspect switches for ease
of operation

HYDRAULIC OIL
Use SAE 1OW-3O OiL

HYDRAULIC FILTER

Change Hydraulic Oil and Filter
after first 25 hours of operation.

Thereafter, change Hyd_
and Filter every 200 hours *_

(monthly).

MOTOR HUBS - Lubricate
Motor Hubs with Anti-Seize

Compound when replacing
Wheel Hubs.

ENGINE

Change Oil Fi{ter after first 5 hours of
operation. Change engine oil every 25
hours under normal conditions or daily

under extreme dusty conditions. Change
Filter every 50 hours of operation.

Clean AIR FILTER Foam Element
every 25 hours Service PAPER

ELEMENT every 100 hours.

REAR TIRES - Check tire

pressure before each mowing
period, inflate to 12-15 psi.

, CUTTER SHAFT

F SPINDLES

Lubricate each with two
(2) SHOTS of bearing
grease daily

CUTTER DECK
BELT(S)

Check for cracks _)r
wear.

DEFLECTOR

Lubricate hinge
points as required.

HYDRAULIC HOSES & FITTINGS
Check daily for leaks, cracks,
kinks, and other signs of wear.

MOWING DECK

At end of each mowing period,
remove grass and debris from

under mowing deck and above
rear SAFETY Shield.

FRONT TIRES

Check tire pressure before

each mowing period. Inflate to
25 PSI

FIGURE 4.1

19

FRONT WHEEL BUSHINGS

& CASTER SHAFTS

Lubricate with bearing grease

weekly.

MOWER BLADES

Check for tightness every 25
hours of operation Tighten
capscrews to 75 foot pounds.

SECTION 4 - SERVICE & LUBRICATION INFORMATION

HOURS
BREAK-IN

8 HOURS

(Daily)

40 HOURS

(Weekly)

200 HOURS

(Monthly)

PROCEDURE COMMENTS

Check all fasteners for proper tightness

Change Engine Oil and Filter at 5 hours .............................. See engine manual

Change Hydraulic Oil and Filter at 25 hours ........................ Use SAE 10W-30.

Reservoir capacity 1 Gal.

Check/Change Engine Oil ................................................... Change oil if extreme dusty conditions

Clean Air Filter ...................................................................... More often if needed

Clean Blower screen ............................................................ More often if needed

Remove Debris from under Belt Cover ................................ More often if needed

Sharpen Cutter Blades ......................................................... Tighten Cap Screw to 70 - 80 ft. Ibs.

Grease Cutter Spindle Bearings ........................................... Use Chevron SRI Grease (NLGI2).

Check Hydraulic Reservoir ................................................... Add oil if needed

Check Tire Pressure ............................................................. Add or adjust as Required

Check Safety Interlock System ............................................. Inspect Switches for ease of Operation

Grease Traction Control Levers ........................................... General Purpose Grease

Inspect Traction Lock for Wear ............................................. Replace if Worn

Change Engine Oil ................................................................ More often if needed

Replace Air Filter .................................................................. More often if needed

Grease Caster Wheel Bearings ............................................ General Purpose Grease

Grease Caster Wheel Pivot .................................................. General Purpose Grease

Grease Idler Arm Pivots ........................................................ General Purpose Grease

Fuel Filter .............................................................................. Replace with Snapper PIN 7014359

Check all Fasteners for Proper tightness ............................. See Torque Specifications

Change Engine Oil Filter ...................................................... See Engine Manual

Clean and Adjust Spark Plugs .............................................. See Engine Manual

Check Belt Tension ............................................................... See Operator's Manual

Lube Controls and Linkages ................................................. Use Medium Duty Oil

Change Hydraulic Oil and Filter ............................................ Use SAE 10W-30 Oil.

Reservoir capacity 1 Gal.

GREASE ZERK LOCATION

1 on the Hydro Pump Belt Idler Arm Pivot
1 on each Spindle Housing ITotal of 2on 36" Deck & 3 on 48", 52", 48", & 61" Decks)

1 on each Idler Arm Pivot (Total of 1 on 36" Deck & 2 on 48", 52", 48", & 61" Decks)
1 on each Caster Support Arm ITotal of 2)

1 on each Caster Wheel (Total of 2)
1 on each Traction Control Lever (Total of 2)

MAINTENANCE/REPLACEMENT PARTS

MAINTENANCE PARTS

36 _

Cutter Blade (Requires Two Blades)

48"

Cutter Blade (Requires Three Blades)

52"

Cutter Blade IRequires Three Blades)

61"

Cutter Blade (Requires Three Blades)

36"

Deck Engine to Cutting Deck Belt

48"

Deck En_line to Cuttin_l Deck Belt

48"

Deck Spindle to Spindle Belt

52"

Deck Engine to Cutting Deck Belt

52"

Deck Spindle to Spindle Belt

61"

Deck En_line to Cuttin_l Deck Belt

61" Deck Spindle to Spindle Belt
Parts Manual for Pro Hydro Series 3

7029246
7029247

7029246
7029251

7029255
7029262

7029261
7029267

7029266
7029269

7029268
7006936

GREASE

DAILY

X

GREASE

WEEKLY

X

X
X
X

X

2O

SECTION 4 - SERVICE

WARNING

Once blades are disengaged, they should come to a
complete stop in 7 seconds or less. If the blades

continue to rotate after 7 seconds, the electric
clutch must be checked. Replacement of electric

clutch may be necessary. Return machine to dealer
for replacement. DO NOT CONTINUE to operate

mower if blades fail to stop in 7 seconds.

4.1 ELECTRIC CLUTCH ADJUSTMENT

The Pro Hydro Mowers are equipped with an Electric Blade
Control. The cutter blades should STOP within 7 seconds

after the BLADE SWITCH is moved to "OFF" position. If

blade stopping time exceeds 7 seconds, check the dutch air

gap setting as follows:

1. With the Ignition Switch moved to "STOP" and the Blade
Switch moved to "OFF", locate the three air gap check
"SLOTS" as shown in Figure4.2.

ADJUST AIR GAP TO
BE .010 TO .012.

ADJUSTING NUT

FULL when the Oil is 1-1/2" from the top of the filler neck as
shown in Figure 3.1.

2. Before removing parts from the Hydraulic System, check
to make sure another part of the machine is not causing

the problem. Look for:

A. Loose Drive Belt.
B. Improperly set or bad Idler Pulley.

C. Loose or lost set screws and/or sheared Keys in Pulleys.
D. Pump Release loose.

E. Oil saturated Drive Belts.
F. Loose Drive Arms on Pumps.

4,2,2, PUMP/MOTOR REPLACEMENT

1. Should it become necessary to replace a Pump or Motor,

it is recommended that the affected Pump or Motor be
replaced as a set (both Pump and Motor). Generally,

when a Pump or Motor is bad, it wilIaffect the associated

Pump or Motor.

2. Relieve all pressure in the system and disconnect Spark

Plug(s). See Figure 4.3.

3.

CLUTCH

FIGURE 4.2

2. Insert a feeler gauge into each of the three slots.

3. The clearance in each slot should be NO MORE than

.010to .012.

4. If adjustment is required, keep feeler gauge in slot and
turn the adjusting nut untilthe gap is correct.

5. Adjust allthree slots.

4,2 HYDRAULIC SYSTEM ADJUSTMENTS

& SERVICE

4,2.1. GENERAL HYDRAULIC SERVICING

1. The Hydraulic Oil and Filter should be changed after the
initial25 hours of use and after every 200 hours of use.
Drain both compartments of the hydraulic reservoir
completely. Replace filter using genuine Snapper
replacement only.
Fill reservoir using 1gallon of SAE10W-30 oiI.

Operate machine for several minutes.
Check oil level. Reservoir is properly filled when level is 1-

1/2"from the top of the filler neck. See Figure 3.1.

TURN PRESSURE RELIEF VALVE ON EACH PUMP
COUNTER-CLOCKWISE TO RELEIVE SYSTEM

PRESSURE.

FIGURE 4,3

4,2,3, HYDRAULIC PUMP BELT REMOVAL

1. STOP ENGINE! Loosen and remove Nut from under the

Spring Tensioner for Hydraulic Belt Idler Tensioner.
Remove Spring from Bolt. See Figure4.4.

HYDRAULIC
PUMP BELT

BOLT

/

SPRING TENSIONER

REMOVE NUT

NOTE: Always clean the Cap and surrounding area before

checking OiI Level or adding Oil. The Hydraulic OiI Tank is

FIGURE 4.4

21

SECTION 4 - SERVICE

4.2.3, HYDRAULIC PUMP BELT REMOVAL (Continued)

2. Loosen Nut on Belt Guide at rear of Engine Pulley
and remove Cutter Deck Belt from Engine Pulley.

3. Remove Hydraulic Pump Belt.

4.2,4, HYDRAULIC PUMP BELT INSTALLATION

1. STOP ENGINE! Place Hydraulic Belt on Engine and
Pump Pulleys.

2. Attach Idler Spring to Bolt and reattach Nut to Bolt.

3. Place Cutter Deck Belt on Engine Pulley.

4.2.5, REPLACEMENT PARTS
To retain the quality of your Machine, use genuine

SNAPPER replacement parts only. Contact your local
SNAPPER Dealer for parts and service and service

assistance. For the correct part or information for your

Machine, always mention Model and Serial Number of
Power Unit and mower Attachment. We recommend

returning your Machine to an authorized SNAPPER
Dealer on a yearly basis for inspection and addition of

any new devices which might upgrade the performance
and SAFETY of your Machine. For the nearest

SNAPPER Dealer, 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.

HIGH SPEED
0 -6 MPH

MEDIUM SPEED

0 - 4.2 MPH

SWIVEL

LOW SPEED

0 - 2.5 MPH

TRACTION

CONTROL

WARNING

DO NOT attempt any maintenance adjustments or

service with the engine running. Stop engine. Stop

blades. Latch Traction Levers in neutral. Move

Speed Control lever to SLOW. Remove key.

Disconnect spark plug wires from spark plugs and
secure wires away from spark plugs. Engine and
components are HOT. Avoid serious burns, allow all

parts to cool before working on machine.

NOTE: All Mid-Size Machines should be tilted with
Engine Carburetor side UP.

4.3 MACHINE SPEED CONTROL RANGES

4.3.1, TO CHANGE MACHINE SPEED RANGES

1. Move Traction Control Levers and Neutral Latch
Lever into neutral.

2. Turn Key to STOP position and remove Key from
Ignition Switch.

3. Remove Hairpins from Swivels on Traction Controt
Arms on Right and Left Hand side. See Figure 4.5.

4. Push Swivel out from each Traction Control Arm and

insert Swivel into newly selected speed range. (No

adjustment should be necessary to maintain neutral
setting after changing speed range.) If machine

does require adjustment Refer to Section
"TRACTION CONTROL NEUTRAL ADJUSTMENT".

5. Start the Engine and resume using the Machine at
the new{y selected speed range.

SELF LOCK
COTTER PIN

TRACTION CONTROL ARM

FIGURE 4.5

WARNING

The SNAPPER Pro Hydro Mowers have a Transport
Speed, which allows the machine to travel forward at a
speed of 6 MPH - it is NOT to be used while walking!
Use the Transport Speed ONLY when the machine is
equipped with a Riding Sulky! DO NOT make sharp

turns at high speed! The machine has "zero-turn"

capability; DO NOT use "zero-turn" at high speed.
During initial training time with machine, it is advised

that the Operator(s) practice with the Speed Control

Lever in the slowest travel speed position and Blade
Engagement Switch in the OFF position

22

SECTION 4 - SERVICE

4.4 TRACTION CONTROL NEUTRAL

ADJUSTMENT

The Traction Control Neutral Adjustment
procedure is sensitive. The following steps and

WARNINGS must be followed very carefully.

WARNING

IMPORTANT: To complete this procedure a steel
rod 5/16" diameter and 20" long will be required.

DO NOT begin this procedure without it.

1. Place machine on smooth level surface. Stop
engine and remove keys.

2. Raise rear of machine just high enough for rear
wheels to clear ground. Block machine securely.

3. Latch both Traction Levers in Neutral.

4. Insert rod (5/16" diameter x 20" long) through
alignment holes in the left and right traction control

shift lever arms and the tank support bracket. The
rod should pass through both the left and right

traction control shift lever arms. See Figure 3.9.

5. Disconnect left & right swivels from the left and
right traction control arms and loosen swivel jam

nuts. See Figure 3.8.

6. Adjust swivel (Clockwise or Counter-Clockwise)
until the pin on the swivel aligns perfectly with the

hole in the traction control arm. The Traction Lever
must be held in the Neutral Latch position when

making this adjustment. Complete this adjustment
for both left and right swivels. Carefully reattach

and secure swivels to control arms. Tighten swivel

jam nuts. IMPORTANT: Both the left and the right

swivels must be installed in the same traction
control arm speed range setting. Mid range

(middle hole) setting is recommended.

7. Remove steel rod from shift lever arms.

8. Check to insure machine is securely blocked.
Start engine. Drive wheels should not rotate with

both Traction Levers latched in the Neutral
position. If no rotation is observed the adjustment

procedure is complete. If wheels do rotate proceed
to next step. STOP ENGINE.

9. Wheel rotation will be stopped by adjusting the
eccentric on the pump arms on the right and left

pumps. Turning the eccentric slightly clockwise or
counter-clockwise will synchronize the pump and

traction controls for Neutral. See Figure 3.11. To
turn the eccentric, first loosen the bolt in the pump

control arm and the nut and bolt fastening the
eccentric to the pump control arm. With both

Traction Levers latched in Neutral, start engine.
Turn eccentric slightly clockwise or counter-

clockwise until wheels stop rotating. Tighten control
arm bolts and eccentric nut and bolts. Check for

wheel rotation. Repeat eccentric adjustment if
needed.

23

SECTION 5 - MOWER ATTACHMENT SERVICE

5.1 CUTTER DECK BELT REMOVAL &

RIGHT

INSTALLATION HAND

5.1.1. 36" CUTTING DECK BELT REMOVAL SPINDLE

1. Move Mower onto a smooth, level surface. Turn PULLEY

Ignition Key to STOP position, remove Key, \

disconnect Spark Plug Wire and secure Wire away
from Spark Plug. --7/

2. Remove Mower deck belt cover.

3. Remove Idler Tension Spring and swing Idler away
from belt.

4. Remove old belt from Spindle Pulleys and Electric
Clutch Pulley. See Figure 5.1.

,_- -_, ELECTRIC CLUTCH

REMOVE

IDLER

2, Route new belt around right and left hand Spindle

3. Move Idler against belt and reattach right hand Idler

5.1.5. SPINDLE TO SPINDLE DECK BELT

1. Move Mower onto a smooth, level surface. Turn

2. Remove Mower deck belt cover.

FIGURE 5.1

5.1.2, 36" CUTTING DECK BELT INSTALLATION

1. Route new belt to Electric Clutch Pulley.

2, Route new belt around Spindle Pulleys as shown in

Figure 5.1.

3. Move Idler against belt and reattach Idler Tension
Spring.

5.1.3. 48", 52", & 61" CUTTING DECK BELT

REMOVAL

1. Move Mower onto a smooth, level surface. Turn
Ignition Key to STOP position, remove Key,

disconnect Spark Plug Wire and secure Wire away
from Spark Plug.

2. Remove Mower deck belt cover.

3. Remove right hand Idler Tension Spring and swing
Idler away from belt. See Figure 5.2.

5.1.4. 48", 62", & 61" CUTTING DECK

BELT INSTALLATION

1. Route new belt for 48" cutting deck, for 52" cutting

deck, and for 61" cutting decks, to Electric Clutch

Pulley.

3. Remove right hand Idler Spring and swing Idler

4. Remove old belt from center and right hand Spindle

5. Remove Left hand Idler Spring and swing Idler

6. Remove old belt from left hand Spindle Pulley and

REMOVE

SPINDLE

PULLEY

(CENTER)

ELECTRIC

)

R,GHT'/2

SPRING

FIGURE 5.2

Pulleys as shown in Figure 5.2.

Tension Spring.

REMOVAL -48", 52", & 61" CUTTING DECKS

Ignition Key to STOP position, remove Key,

disconnect Spark Plug Wire and secure Wire away
from Spark Plug.

away from belt.

Pulleys. See Figure 5.2.

away from belt.

center Pulley bottom ,qroove. See Figure 5.3.

IDLER

PULLEY

LEFT
HAND

IDLER

TENSION

SPRING

FIGURE 5.3

24

SECTION 5 - MOWER ATTACHMENT SERVICE

5.1.5. SPINDLE TO SPINDLE DECK BELT
INSTALLATION - 48", 52", & 61" CU'I-rlNG

DECKS

1. Route new belt for 48" cutting deck, 52" cutting

deck, and 61" cutting decks, onto bottom ,qroove of
center Spindle Pulley and Ieft hand Spindle Pulley.

See Figure 5.3.

2. Install cutting deck belt according to CUTTING
DECK BELT INSTALLATION.

5.2 CUTTING BLADE SERVICE

Check Blades at frequent intervals to insure they are
securely tightened and in good condition. Replace if

chipped, bent, or notched. See Figure 5.4 for Blade
wear limits.

l NEW BLADE

,_....._ WEAR LIMIT

_REPLACEWITH NEW

{NOTCH STARTS)

DANGEROUS CONDITION!
DO NOT USE ON MOWER!

BLADE.

FIGURE 5.4

1. Use the following chart for ordering replacement

Blades for the 36", 48", 52" and 61" cutting decks.

4. Refer to the STANDARD BLADE REPLACEMENT
chart above for correct SNAPPER replacement

Blades.

5. Should Blades be in acceptable condition, sharpen
at 22 to 28 degrees. See Figure 5.5.

BLADE

HEAVY END
OF BLADE

ORIGINAL CUTTING EDGE

22° to 28°

1I64'

FIGURE 5.5

NOTE: When sharpening Blades, leave 1/64" untouched.

Razor sharp Blades will chip easily and dull quickly.
Commercial baIancers are available and should be used

in accordance with the manufactureCs instructions.

6. Balance each Blade after sharpening by grinding
metal from the heavy end of the blade.

7. Place the Blade mounting bolt into Blade and place
Blade spacers over bolt. Make certain each blade is

installed with the same amount of spacers removed.

8. Install Blade mounting bolt with spacers and blade
into spindle.

9. Install an equal amount of Blade spacers onto each
Blade mounting bolt.

10. Install the Blade mounting nut on each Blade
mounting bolt. See Figure 5.6.

11. Torque each Blade mounting bolt and nut to 70 - 80

foot-pounds.

36" DECK 48" DECK 52" DECK 61" DECK

I STANDARD BLADE REPLACEMENT

7029246 7029247 7029246 7029251

5.2.1. BLADE REMOVAL AND SHARPENING

1. Move the Mower to a smooth, level surface, turn the

Ignition Key to STOP position, remove Key,
disconnect Spark Plug Wire from Spark Plug and

secure Wire away from Plug.

2. Remove Blades.

WARNING

Take NOTE of the number of Blade Spacers that I
are under the Blade Mounting Nuts and on the_
Spindle side of the Blade. |

3. Clean and inspect each Blade for excessive wear
and damage. See Figure 5.4 for Blade wear limits.

25

ADJUSTING
SPACERS

MOUNTING
BOLT

.,..--.- AIR LIFT

BLADE

__BEVELED

WASHER

TIGHTEN TO70-80
FOOTPOUNDS

FIGURE 5.6

SECTION 5 - MOWER ATTACHMENT SERVICE

5.3 MOWER SPINDLES (Field Serviceable Spindles)
BEARING REPLACEMENT

In the event that a spindle bearing requires
replacement, the SNAPPER Field Serviceable
Spindles have been designed so that no special

tools or presses are required.

1. Remove belt. Loosen blade nut and remove.

Allow blade bolt, washer, blade and four spacers to

drop down out of the spindle housing. See Figure

5.7.

REMOVE NUT

w • REMOVE BELT

FROM SPINDLE

J

r !_ ;_M_VE BLADE

FIGURE 5.7

2. Remove spindle pulley from spindle shaft.

3. Locate circular retaining ring on spindle shaft at

top bearing. Remove retaining ring. Allow spindle
shaft to drop out of housing.

4. Top and bottom bearings are now removable.
Pull out on inner race to slide bearing from housing.

See Figure 5.8.

5. Thoroughly clean all parts removing all old
contaminated grease.

6. Install new bottom bearing first.

7. NOTE: The bearing is sealed/shielded on one

side only. The bottom bearing must be installed

with the sealed/shielded side DOWN.

8. Insert spindle shaft up through the bottom
bearing. Slide spacer down over spindle shaft.

9. Install new top bearing. Install the top bearing

with the seal/shield UP.

10. Slide circular retaining ring down spindle shaft
until it fully locks into groove on shaft.

11. Apply a generous amount of general-purpose
grease to the concave side of the nyIos seal. Install

the nylos seal with concave greased side down.

12. Place spindle pulley and spacer on top of
spindle shaft.

13. Reinstall blade bolt, washer, blade and four
spacers. See Figure 5.6.

14. Torque blade bolt and nut to 70 to 80 ft. Ibs.

15. Pump grease into spindle housing until grease
purges from vent on housing.

16. After the first 5 hours of operation, grease
spindle housing to insure it is full, then every 25

hours.

IMPORTANT: Spindle housing must be filled with
grease before operating mower. Failure to fill
housing will cause premature bearing failure.

O-------- PULLEY

_1 SPACER

i_ NYLOS SEAL

O O" RETAINING RING

SEAL UP

IBEARING I

I EARING SEALDOWN

OO" BEARING

HOUSING

_ SPINDLE

_ SPACER

_t- BEARING

SHAFT
SPINDLE

FIGURE 5.8

26

SECTION 6 - BATTERY SERVICE & TESTING

2.

WARNING

Shield the positive terminal with terminal cover

located on battery harness. This prevents metal from

touching the positive terminal, which could cause
sparks. Cables must be connected to battery
terminals in the proper position. RED (Positive)
cable must go to the ( + ) terminal. BLACK (Negative)

cable must go to the (- ) terminal.

A hydrometer measures the specific gravity of each

cell. The specific gravity tells the degree of charge;
generally, a specific gravity of about 1.265 to 1.280

indicates full charge. A reading of 1.230 to 1.260
indicates the battery should be charged before

testing. The chart on the next page shows the charge
level as measured by syringe float hydrometer, digital

voltmeter and five ball hydrometer.

6.1 BATTERY REMOVAL

1. Remove battery retainer.

2. Slide terminal cover away from positive terminal.

3. Observe and note cable positions on battery

4. Disconnect cables from battery terminals,
disconnecting BLACK (Negative) cable first, then

disconnect RED (Positive) last. Retain mounting bolts
and nuts.

6.2 BATTERY INSTALLATION

1. Position battery into battery compartment.

2. Connect cables to battery terminals. Connect RED

(Positive) cable first. Connect BLACK (Negative)

cable last.

3. Reinstall battery retainer and positive terminal cover.

6.3 BATTERY SERVICE

1. Remove battery.

2. Place battery in a well ventilated area on a level
surface.

3. Using distilled water, refill cells as required to cover
cell plates of which can also be seen through the

plastic battery case.

4. With cell caps removed, connect battery charger to

battery terminals. RED to positive (+) terminal and
BLACK to negative (-) terminal.

5. Slow charge battery at 1 amp for 10 hours. An
alternative fast charge should be no more than 2.5

amps for four hours.

6. If battery will not accept charge or is partially
charged after 10 hours of charging at 1 amp, replace

with new battery.

WARNING

The electrolyte (acid) produces a highly explosive
gas. Keep all sparks, flame and fire away from area

when charging battery or when handling electrolyte

or battery. Electrolyte (acid) is a highly corrosive
liquid. Wear eye protection. Wash affected areas
immediately after having eye or skin contact with

electrolyte (acid). Battery acid is corrosive. Rinse
empty acid containers with water and mutilate
before discarding. If acid is spilled on battery,
bench, or clothing, etc., Flush with clear water and

neutralize with baking soda.

6.4 BATTERY TESTING

There are two types of battery tests: Unloaded and

Loaded. The unloaded test is the procedure that will be

discussed. It's the simplest and most commonly used.
An unloaded test is made on a battery without

discharging current. To perform unloaded testing, check
charge condition using either a hydrometer or voltmeter.

1. Using a voltmeter, voltage readings appear instantly
to show the state of charge. Remember to hook the

positive lead to the battery% positive terminal, and the
negative lead to the negative terminal.

27

SECTION 6 - BATTERY SERVICE & TESTING

6,5 NEW BATTERY PREPARATION

1. Remove battery from carton.

2. Place battery in a well ventilated area on a level non-
concrete surface.

3. Remove battery cell caps. FilI cells as required with
electrolyte (purchased separately) to proper level.

Filling battery with electrolyte wilI bring the battery to
80% charged state.

4. With cell caps removed, connect battery charger to
battery terminals; RED to positive (+) and BLACK to

negative (-) terminal.

IMPORTANT: DO NOT place anything in battery other

than specified electrolyte.

IAo%%"2,,AI

WARNING

Shield the positive terminal with terminal cover

located on battery harness. This prevents metal

from touching the positive terminal, which could
cause sparks. Cables must be connected to battery
terminals in the proper position. RED (Positive)
cable must go to the ( + ) terminal. BLACK (Negative)

cable must go to the (- ) terminal.

WARNING

DO NOT attempt to service or charge the battery I
while it is installed in the machine. DO NOT usel

"BOOST" chargers on the battery.

5. Slow charge the battery at 1 amp for 2 hours to bring

the battery to full charge.

6. After charging, check level of electrolyte and add as
needed to bring to proper level.

7. Reinstall cell caps.

8. Install battery into power unit.

9. Connect positive (+) cable (red) first, from wiring
harness to the positive terminal (+) on battery using

bolt and nut provided in hardware bag. Connect
negative (-) cable (black) last, to negative

terminal (-) on battery using bolt and nut. Apply a

small amount of grease over terminals to prevent
corrosion.

10. Install battery retainer and positive terminal cover.

State of Charge
100% Charged w/Sulfate Stop
100% Charged

75% Charged
50% Charged
25% Charged

0% Charged

Battery Condition

Syringe Hydrometer

1.280

1.265

1.210

1.160

1.120

Less than 1.100

28

Chart

Digital Voltmeter

12.80v

12.60v

12.40v

12.10v

11.90v

Less than 11.80v

Five Ball Hydrometer

Five Balls Floating

Four Balls Floating
Three Balls Floating
Two Balls Floating
One Ball Floating

Zero Balls Floating

2 YEAR LIMITED WARRANTY

For two (2) years from purchase date for the original purchaser's 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.

For ninety (90) days from purchase date for the original purchaser's rental 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

All transportation costs incurred by the purchaser in submitting material to an authorized SNAPPER dealer for

replacement under this warranty must be paid by the purchaser.
This warranty does not apply to transmissions, to engines and their components, and batteries, as these items

are warranted separately. This warranty does not apply to parts that have been damaged by accident,
alteration, abuse, improper lubrication, normal wear, or other cause beyond the control of SNAPPER. This
warranty does not cover any machine or component that has been altered or modified, changing safety,

)erformance, or durability.
3atteries have a one (1) year warranty period with free replacement if required for one (1) year from the original

purchase date. SNAPPER will not be responsible for any installation cost incurred. The battery warranty only
covers original equipment batteries and does not cover damage to the battery or machine caused by neglect or
abuse, destruction by fire, explosion, freezing, overcharging, improper maintenance, or use of improper
electrolyte.

There is no other express warranty.

DISCLAIMER OF WARRANTY

Implied warranties, including those of merchantability and fitness for a particular purpose, are limited
to two (2) years from purchase date for the original purchaser's non-rental use, and ninety (90) days

from the purchase date for the original purchaser's rental use, and up to the extent permitted by law
and all implied warranties are excluded. This is the exclusive remedy. Liabilities for consequential
damages, under any and all warranties are excluded.

Some states do not allow limitations on how long an implied warranty lasts, or do not allow the
exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion

may not apply to you.

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.

WARNING: THE USE OF REPLACEMENT PARTS OTHER THAN GENUINE SNAPPER PARTS MAY

IMPAIR THE SAFETY OF SNAPPER PRODUCTS AND WILL VOID ANY LIABILITY AND WARRANTY BY
SNAPPER ASSOCIATED WITH THE USE OF SUCH PARTS.

IMPORTANT: Please fill out the attached SNAPPER Product Registration Card immediately and mail to:

Snapper's Product Registration Center, P.O. Box 1379, McDonough, Georgia. 30253

29

SNAPPER PRODUCT REGISTRATION FORM

IMPORTANT: KEEP THIS INFORMATION FOR YOUR PERSONAL RECORDS

(Complete the following information on your Snapper purchase)

Model Number

Serial Number

Date of Purchase

Retailer

Retailer's Phone Number

It is very important that you register your purchase with Snapper to ensure
warranty coverage. Please mail your product registration card to:

Snapper at P.O. Box 1379, McDonough, Georgia 30253.

Or you may register on line at www.snapper.com.

You can contact us at our web site or if you would like to speak with a Customer

Service Representative. Call us at the Snapper Customer Relations Center. For
faster service please have your Serial Number and Model Number available.

Call the Snapper Customer Relations Center at 1-800-935-2967.

3O

PRIMARY MAINTENANCE

an

illustration of

how dirt can

dama

& how

can protect it!

Snapper uses the best avail-
able engines and components

In their products In order to _=

provide long, satisfactory
service. However, proper • =

care Is essential In ""
prolonging engine life. Dirt

Is your engine's enemy

number 11

naintenance

The engine on your Snapper
product spends Its entire life
operaUng close to the ground at

high speed cresting a virtual

storm of dust and dlrtl

31

gulp about 12,000
gallons of air for

every gallon

used. Because of

Its working environ-
ment, the air available

to your Snapper engine Is "
heavily saturated with air-
borne dirt particles.

PRIMARY MAINTENANCE

Ilrt will

quickly ruin an engine,
manufacturers equip their

englnse with extremely
efficient air cleaners to

the harmful dirt,

As the dirt particles are stopped,
they build up and begin to clog

the outside of the filter. This
reduces the amount of air

available to the engine and causes
an over-rich fuel mixture which re-

suits in the following adverse
effects:

An Improperly servloed, dirt
clogged air cleaner will:

1. Increase fuel consumpUon

2. cause power lose

3. result In hard starUng

4. create smoke from unburned
fuel

5. produce carbon build-up ;
Internally

6. foul spark plug electrodes

7. score cyllnderwalls

8. burn valves

9. wear out the engine pre-
maturely

10. COST YOU MONEYI

Damage caused by a poorly serviced air

cleaner Is not covered under the engine
warranties. So, save yourself unnecessary
expenses and undue aggravation by keeping

the air cleaner properly serviced at the Intervals
specified In the engine owner's manual.

It doesn't take long to service an air cleaner.
Follow the spanlflo Instructions In the engine
owner's manual for the type filter used. Pre-

vent dirt from falling Into the carburetor Intake
when servicing your air cleaner. Make sure
components are Installed in correct sequence

after servicing to prevent unfiltered air from
entering the engine. Some servicing hints on
several common types are:

32

Generally, wash foam-type filters

In a dlshwashlng detergent and

water solution. Rinse and wring
dry, then saturate with oll and

squeeze out excess. Failure to

re-oil this type filter will ruin the

engine.

Clean paper elements by tapping
lightly. Blowing with air will

rUPture paper elements.

Use a fleshllght to detect clogged
or torn paper elements - replace If
damaged In any way.

PRIMARY MAINTENANCE

Failure to keep external
surfaces clean not only

presents fire hazards, but

causes overheaUng and

resulting engine damages
such as:

1. distorted valve guides

2. sUcking valves

,. 3. scuffed,

14. walls

overspeedlng

5. loss of power

6. complete failure of
engine.

Air Is also needed to keep

your engine cool. Dirt, dust
& debris build up to restrict

and clog cooling air Intake
screens and fins. Clean

screens and fins at frequent
Intervals. The engine blower

housing and shrouds should
be removed at least once

each season or more often
under dry, dusty conditions

for a thorough cleaning of
fins.

Dirt can also be Introduced
Into an engine In dirty fuel

from a contaminated
container. Always use clean

fresh fuel from s clean
container to guard against

dirt, sludge and water

contamination.

Be aware that fuel breaks
down In storage and forms

gummy compounds which
will block carburetor pase-

ages. Never use fuel more
than 3 months old. Drain

tank then run the engine out
of fuel before storing during
the off-season.

An engine must also have proper lubrication.
All engines use some oil On 4-cycle engines,

CHECK OIL LEVEL BEFORE EACH START-UP.

Wipe area clean around the oll check plug or

dipstick opening to keep dirt from falling Into

the engine when cbecklng the o11.Always
check with the machine on a level surface.

On englnee with dipstick, keep the level up to,
but not over, the FULL mark. when adding o11,

allow time for all of the oll to flow down the fill
tube to prevent a false full feeding when the

level could actually be low and result In engine

damage.

33

PRIMARY MAINTENANCE

On 4-cyle engines with an oil level plug,

don't be fooled Into thinking the engine has
sufficient lubricating oll If you can see "some"
oll In the opening - the level should always be

brought up to the point of €
top of the fill hole.

@

Change cll at regular Intervals using s a high

quality oll such as Snapper's small engine

formulated 4-cycis engine oil Refer to the
engine owner's manual for oll details.

On 2-cycle engines, lubrication must be

provided by an exact mixture of gasoline
and 2-cycle slr-cocled engine oil. A 2-¢yota

engine that Is mistakenly run on strelght
gasoline will be ruined In less than 5

mlnutasl If you keep straight gsaollne In
addition to pre-mlxed 2-cycis engine fuel,
be sure the containers are clearly marked

to avoid mix-up.

Snapper 2-cycle englnas require a 32 to 1
mixture of gasoline and BIA ceritfisd TC-W

aUsuch as Snapper's 2-cycle engine oil
Many of the 2.cycis engine oils on the

market today make fantoetlc cislms, but for

the best performance and long engine life,

always use Snapper 2-cycle oil. Premix
the fuel and always shake the container
before filling the tank.

STARTING CHECK LIST

1.

EngineOil

2.

Air Cleaner

3.

Fuel Tank

4. Choke

5. Primer(on

come engines)

6. Safety inter-
lock Switchos

7. 8witch &
Blade Control

8. Bparkplug

9. Throttle

control

10. Blade

11. Muffler

• 8tart position

• Propnr/yinstalledand

• Sharpened

• Goodcondition

• Notclogged

• Grass &leaves cleaned away

• Tofull level (4-cycle)

• Properlymixed with gas
(2 cycle)

• Cleanand properlyserviced

• Fullfresh clean gasoline

• Fuelvalve open

• Capveto open

• Inllnefilter clean

• Operating properly

• Usedproperly

• Inproper position

• All wiresproperly connected

• SwitchOn

• Bladecontrol properly

positionedon walk mower

• Wlm connected

• Goodconnectlon

terq.

__M_ t& r Read and toll°w all safety

_lr |Instructions In safety book-|

d that dirt Is your engine's enemy

I_ [ #1 both Internally and externallyl Internally,
I| I dirt will quickly ruin an engine and externally
I| I It will cause overheating and ruuitlng Internal

,.t "_damages. Damage caused by Improper lubrl-

_,rcation, poor =dr cleaner service or overhsatlng

v U due to dirt cannot be covered under warranty.

It only takes s few momenta to service the

engine (and equipment) on a routlna basis

but the rewards will be a quick starUng, re-

sponslve engine that will provide long
aslisiactonj service with minimum maintenance

cost. The prsstart checklist In the next column
and InetrucUons In your Snapper Operator's

Manual are designated to help you keep your

Snapper In top operating cendltlon with
minimum effortl

II

34

SERVICE NOTES

35

Safety Instructions & Operator's Manual for

PRO HYDRO MID-SIZE WALK
BEHIND MOWERS SERIES 3

IMPORTANT

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: [phone]).

WARNING

BATTERY POSTS, TERMINALS AND RELATED ACCESSORIES CONTAIN LEAD AND LEAD COMPOUNDS,
CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH DEFECTS OR
OTHER REPRODUCTIVE HARM. WASH HANDS AFTER HANDLING.

_lL WARNING

ENGINE EXHAUST, SOME OF ITS CONSTITUENTS, AND CERTAIN VEHICLE COMPONENTS CONTAIN OR

EMIT CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER OR OTHER

REPRODUCTIVE HARM.

SNAPPERMcDonough,GA., 30253 U.S.A.

COPYRIGHT © 2005
SNAPPER A Division of Sirnplicity lqanufacturing Inc

ALL RIGHTS RESERVED

MANUAL No. 7100390 (I.R. 10/14/2005)

TP IO0-5125-1R-CW-N