Snapper SPLH152KW, SPLH172KW, SPA361, SPA481, SPA521, SPA611 User Manual
Safety Instructions & Operator’s Manual for
PRO HYDRO
WALK BEHIND MOWERS
MID-SIZE
SERIES 2
POWER UNIT
MODELS
SPLH152KW
SPLH172KW
MODEL NUMBER EXPLANATION
MOWER UNIT
MODELS
SPA361
SPA481
SPA521
SPA611
S P L H 15 2 KW
MODEL DESIGNATION ENGINE TYPE
MODEL TYPE SERIES DESIGNATION
MODEL OPTION ENGINE HP
DRIVE SYSTEM TYPE
S – Snapper Commercial Model ENGINE HORSE POWER CUTTING DECK WIDTH 2 -Series Designation KW – Kawasaki Engine
P – Pro Mid Size Model 15 – 15.0 Engine HP 36 – 36” Cutting Deck
L - Loop Type Handle Model 17 – 17.0 Engine HP 48 – 48” Cutting Deck
H – Hydro Drive System 52 – 52” Cutting Deck
A – Adjustable Cutting Deck 61 – 61” Cutting 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!
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 follow ing 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: (1-800-935-2967).
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 dow n. 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 w ith 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
learn controls and develop skills.
6. Check the area to be mow ed 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 by SNAPPER
8. Keep people and pets out of mowing area.
Immediately, STOP blades, STOP engine, and Stop
machine if anyone 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.
10. Make sure all safety decals are clearly legible. Replace
if damaged.
IMPORTANT SAFETY INSTRUCTIONS
PREPARATION
(Continued From Previous Page)
11. Protect yourself when mowing and w ear 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.
12. Know how to STOP blades and engine quickly in
preparation for emergencies.
13. Use extra care when loading or unloading the
machine into a trailer or truck.
14. 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 w hen 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 a foreign 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 w et 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 SLOWLY to 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
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. Alw ays 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.
4
TABLE OF CONTENTS
IMPORTANT SAFETY INSTRUCTIONS..................................................................................2-4
TABLE OF CONTENTS ...............................................................................................................5
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.
RIGHT HAND
TRACTION
LEVER
KEY
SWITCH
DISCHARGE
DEFLECTOR
FILL/CHECK CAP
(Hydraulic Reservoir)
MUFFLER
SPEED
CONTROL
LEVER
LEFT HAND
TRACTION
LEVER
FIGURE 1.1
BLADE CLUTCH
CONTROL SWITCH
ENGINE SPEED CONTROL
FUEL FILLER CAP
FUEL TANK
STARTER ROPE
AIR FILTER
COVER
REAR TIRES
DECK
(48” Shown)
DECK HEIGHT
ADJUSTING
CRANK
COVER
RETAINING
KNOBS
CASTER
WHEEL
ASSEMBLY
FRONT
TIRES
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.
6
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.
8
SECTION 2 – SAFETY MESSAGES AND SYMBOLS
Q
Q
S
FORWARD
FAST
SLOW
RIGHT TRACTION LEVER
UEEZE FOR RIGHT TURN
S
FAST
SLOW
LEFT TRACTION LEVER
UEEZE FOR LEFT TURN
S
ENGINE
“STOP”
LATCHED
NEUTRAL LATCH
USE TO LATCH
TRACTION
LEVERS IN
NEUTRAL
READ
OPERATOR’S
MANUAL
BLADES DISENGAGED “OFF”
KEY SWITCH
UNLATCHED
BLADES ENGAGED “ON”
ENGINE
“RUN”
ENGINE
TART”
“
SPEED
RANGE
SETTING
SPEED
RANGE
SETTING
ENGINE SPEED
CONTROL
8
SECTION 2 – SAFETY MESSAGES AND SYMBOLS
A
KEEP CHILDREN AND OTHERS OUT OF MOWING AREA
DANGER! ROTATING BLADES
DANGER! ROTATING BLADES
ENGINE AND COMPONENTS ARE HOT.
ALLOW ALL PARTS TO COOL BEFORE
DJUSTING 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. Key switch
C. Operator’s Presence Control (OPC)
D. Engine Recoil Starter Handle (Not shown)
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
WARNING
Neutral Latch is not intended to be used as a park
brake. DO NOT park machine on slopes.
WARNING
When the Operator’s Presence Control (OPC) is
released, the machine will continue to operate a few
feet. DO NOT use this Operator’s Presence Control
(OPC) to routinely stop the machine.
(C) OPERATOR’S PRESENCE
CONTROL (OPC)
(AT REAR HANDLEBAR)
(2) RIGHT HAND
TRACTION LEVER
(4) NEUTRAL LATCH
(B) KEY SWITCH
HANDLEBAR
(1) BLADE CLUTCH
CONTROL SWITCH
(1) BLADE CLUTCH
CONTROL SWITCH
(5) SPEED
CONTROL LEVER
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
(A)ENGINE SPEED CONTROL
VIEW OF CONTROL PANEL
(Rear of Machine) FROM
OPERATOR’S POSITION
(B) KEY SWITCH
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.
PRESSURE RELIEF
VALVE
LEFT HAND PUMP
PRESSURE RELIEF
VALVE
10
TO ROLL MACHINE,
TURN BOTH PRESSURE
RELIEF VALVES
COUNTER-CLOCKWISE
1/2 TURN
RIGHT
HAND
PUMP
FIGURE 2.1B
SECTION 3 - OPERATING INSTRUCTIONS
WARNING
DO NOT allow operation of the machine by
untrained 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
be filled to the proper level with oil.
MUST
3.1.1. HYDRAULIC OIL RESERVOIR: Use SAE 10W-
30 oil. Fill 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).
1-1/2”
IMPORTANT: FLUID LEVEL MUST
BE ABOVE TOP OF BAFFLE.
RESERVOIR CAPACITY IS ONE (1)
GALLON. DO NOT OVERFILL
WARNING
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).
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 possible emergency.
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 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 dev ice.
1. Place right and left Traction Levers in the ”Neutral”
position and latch. Move the Blade Clutch Switch to the
“Off” position. Refer to Section “Starting and Operation”.
Start engine.
2. Hold Operator’s Presence Control against handle. DO
NOT move the Traction Levers to the “Unlatched”
position.
3. Move Blade Clutch Switch to the “On” position. Release
Operator’s Presence 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 an open area, with blades “Off”, move Speed Control
Lever selecting a slow forward speed. Drive machine
forward. Refer to Section, “TRACTION SPEED
CONTROL”.
6. Release Operator’s Presence Control. Engine and
machine must begin to stop. Move Operator’s Presence
Control against handle before engine and machine
comes to a complete stop. Latch Traction Levers in
“Neutral”.
7. Turn 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.
RIGHT HAND
TRACTION
LEVER
NEUTRAL LATCH
LEFT HAND
TRACTION
LEVER
FIGURE 3.2
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-Off Valve 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.
CHOKE
POSITION
FAST
(Rabbit)
POSITION
SLOW
(Turtle)
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.
DO NOT park machine on slopes.
ENGINE
SPEED
CONTROL
FIGURE 3.3
WARNING
WARNING
12
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