THIS MANUAL CONTAINS THE OPERATING
INSTRUCTIONS AND SAFETY INFORMATION FOR YOUR SCAG MOWER. READING
THIS MANUAL CAN PROVIDE YOU WITH
ASSISTANCE IN MAINTENANCE AND ADJUSTMENT PROCEDURES TO KEEP YOUR
MOWER PERFORMING TO MAXIMUM EFFICIENCY. THE SPECIFIC MODELS THA T THIS
BOOK COVERS ARE CONTAINED ON THE
INSIDE COVER. BEFORE OPERA TING YOUR
MACHINE, PLEASE READ ALL THE INFORMATION ENCLOSED.
* Keep all shields in place, especially the grass discharge chute.
* Before performing any maintenance or service, stop the machine and
remove the spark plug wire and ignition key .
* If a mechanism becomes clogged, stop the engine before cleaning.
* Keep hands, feet and clothing away from power-driven parts.
* Read this manual completely as well as other manuals that came with
your mower.
* Keep others away from the mower (only one person at a time).
* DO NOT operate on steep slopes.
* Always travel across slopes.
* ALWAYS FOLLOW OSHA APPROVED OPERATION.
* DO NOT mow on wet grass. Wet grass reduces traction and steering
control.
REMEMBER - YOUR MOWER IS ONLY AS SAFE AS THE OPERATOR!
Hazard control and accident prevention are dependent upon the awareness,
concern, prudence, and proper training of the personnel inv olved in the
operation, transport, maintenance, and storage of the equipment.
This manual covers the operating instructions
and illustrated parts list for:
SWZV36A-16KAIwith a serial number of D4000001 to D4099999
SWZV48V-17KAIwith a serial number of D4100001 to D4199999
SWZV52V-19KAIwith a serial number of D4200001 to D4299999
SWZV52V-23KAEwith a serial number of E2700001 to E2799999
Always use the entire serial number listed on the serial number
tag when referring to this product.
Electrical Schematic - Electric Start...............................................................................................59
Warranty Statement ........................................................................... Following Illustrated Parts List
II
Section 1
WARNING:
GENERAL INFORMATION
1.1 INTRODUCTION
Y our mower was built to the highest standards in the industry .
However, the prolonged life and maximum efficiency of
your mower depends on you following the operating,
maintenance and adjustment instructions in this manual.
If additional information or service is needed, contact your
Scag Power Equipment Dealer.
We encourage you to contact your dealer for repairs. All
Scag dealers are informed of the latest methods to service
this equipment and provide prompt and efficient service in
the field or at their service shop. They carry a full line of
Scag service parts.
THE REPLACEMENT OF ANY PART ON THIS
PRODUCT BY OTHER THAN THE
MANUFACTURER'S AUTHORIZED
REPLACEMENT PART OR UNAUTHORIZED
MODIFICATION MAY ADVERSELY AFFECT THE
PERFORMANCE, DURABILITY OR SAFETY OF
THIS PRODUCT.
USE OF OTHER THAN ORIGINAL SCAG
REPLACEMENT PARTS WILL VOID THE
WARRANTY.
When ordering parts, always give the model and serial
number of your mower.
USE ONLY SCAG APPROVED ATTACHMENTS
AND ACCESSORIES.
Attachments and accessories manufactured by companies
other than Scag Power Equipment are not approved for use
on this machine.
For pictorial clarity , some illustrations and figures
in this manual may show shields, guards or plates
open or removed. Under no circumstances should
your mower be operated without these devices in
place.
All information is based upon product information
available at the time of approval for printing. Scag
Power Equipment reserves the right to make changes
at any time without notice and without incurring any
obligation.
1.2 DIRECTION REFERENCE
The “Right” and “Left”, “Front” and “Rear” of the machine
are referenced from the operator’s right and left when
seated in the normal operating position and facing the
forward travel direction.
1.3 SERVICING THE ENGINE AND DRIVE
TRAIN COMPONENTS
The detail servicing and repair of the engine, hydraulic pumps
and gearboxes are not covered in this manual; only routine
maintenance and general service instructions are provided.
For service of these components during the limited warranty
period, it is important to contact your Scag dealer or find a
local authorized servicing agent of the component
manufacturer.
components during the warranty period may void your
warranty .
Your mower is only as safe as the operator.
Carelessness or operator error may result in serious
bodily injury or death. Hazard control and accident
prevention are dependent upon the awareness, concern,
prudence, and proper training of the personnel involved in
the operation, transport, maintenance and storage of the
equipment.
and thoroughly familiar with all of the controls before
operating the mower. The owner/user can prevent and is
responsible for accidents or injuries occuring to
themselves, other people or property .
READ THIS OPERATOR’S MANUAL BEFORE
ATTEMPTING TO START YOUR MOWER.
A replacement manual is available from your authorized
Scag Service Dealer or by contacting Scag Power
Equipment, Service Department at P.O. Box 152,
Mayville, WI 53050 or via the Internet at
www.scag.com. The manual for your machine can be
downloaded by using the model and serial number or use
the contact form to make your request. Please indicate
the complete model and serial number of your Scag
product when requesting replacement manuals.
Make sure every operator is properly trained
2.2 SIGNAL WORDS
The signal word “DANGER” denotes that an extremely
hazardous situation exists on or near the machine that
could result in high probability of death or irrepairable
injury if proper precautions are not taken.
The signal word “WARNING” denotes that a hazard
exists on or near the machine that can result in injury or
death if proper precautions are not taken.
The signal word “CAUTION” is a reminder of safety
practices on or near the machine that could result in
personal injury if proper precautions are not taken.
Y our safety and the safety of others depends significantly
upon your knowledge and understanding of all correct
operating practices and procedures of this machine.
2.3 BEFORE OPERATION
CONSIDERATIONS
This symbol means “Attention! Become Alert! Your
Safety is Involved!" The symbol is used with the
following signal words to attract your attention to safety
messages found on the decals on the machine and
throughout this manual. The message that follows the
symbol contains important information about safety . T o
avoid injury and possible death, carefully read the
message! Be sure to fully understand the causes of
possible injury or death.
Signal Word:
It is a distinctive word found on the safety decals on the
machine and throughout this manual that alerts the
viewer to the existence and relative degree of the
hazard.
1. NEVER allow children to operate this mower. Do
not allow adults to operate this machine without
proper instructions.
2. DO NOT mow when children and/or others are
present. Keep children out of the mowing area and
in the watchful care of a responsible adult other than
the operator. Be alert and turn machine off if a child
enters the area.
3. DO NOT allow children to ride on or play on the
machine, it is not a toy .
4. Clear the area to be mowed of objects that could be
picked up and thrown by the cutter blades.
5. DO NOT operate the machine under the influence of
alcohol or drugs.
4
Section 2
WARNING:
WARNING:
6. If the operator(s) or mechanic(s) cannot read English
or Spanish, it is the owner's responsibility to explain
this material to them.
7. DO NOT wear loose fitting clothing. Loose
clothing, jewelry or long hair could get tangled in
moving parts. Do not operate the machine wearing
shorts; always wear adequate protective clothing
including long pants. W earing safety glasses, safety
shoes and a helmet is advisable and is required by
some local ordinances and insurance regulations.
Always wear hearing protection. Operating this
machine over prolonged periods of time can
cause loss of hearing.
8. Keep the machine and attachments in good operating
condition. Keep all shields and safety devices in
place. If a shield, safety device or decal is defective
or damaged, repair or replace it before operating the
machine.
11. DO NOT add fuel to a running or hot engine. Allow
the engine to cool for several minutes before adding
fuel. Never fuel indoors or enclosed trailers.
12. Keep flammable objects (cigarettes, matches, etc.),
open flames and sparks away from the fuel tank and
fuel container. Use only approved containers.
13. Equipment must comply with the latest requirements
per SAE J137 and/or ANSI/ASAE S279 when driven
on public roads.
-NOTE-
If the mower is driven on public roads, it must
comply with state and local ordinances as well as
SAE J137 and/or ANSI / ASAE S279 r equirements.
Contact your local authorities for regulations and
equipment requir ements.
14. DO NOT operate without the side discharge chute
installed and in the down position or with an optional
grass catcher or mulch plate completely installed.
15. Check the blade mounting bolts at frequent intervals
for proper tightness.
This machine is equipped with an interlock system
intended to protect the operator and others from
injury. This is accomplished by preventing the
engine from starting unless the deck drive is
disengaged, the parking brake is on, and the speed
adjustment lever is in the neutral position. The
system shuts off the engine if the operator removes
both hands from the operator presence grips with
the deck drive engaged and/or the speed
adjustment lever not in the neutral position, or
the parking brake disengaged. Never operate
equipment with the interlock system disconnected
or malfunctioning.
9. Be sure the interlock switches are functioning
correctly .
10. Fuel is flammable; handle it with care. Fill the fuel
tank outdoors. Never fill it indoors. Use a funnel or
spout to prevent spillage. Clean up any spillage
before starting the engine.
16. Make sure all hydraulic fluid connections are tight and
all hydraulic hoses and lines are in good condition
before starting the machine.
2.4 OPERA TION CONSIDERATIONS
1. Know the function of all controls and how to stop
quickly .
2. Reduce speed and exercise extreme caution on slopes
and in sharp turns to prevent tipping or loss of
control. Be especially cautious when changing
directions on slopes.
3. To prevent tipping or loss of control, start and stop
smoothly , avoid unnecessary turns and travel at reduced
speed.
4. When using any attachment, never direct the discharge
of material toward bystanders or allow anyone near
the machine while in operation.
5
Section 2
WARNING:
CAUTION:
2.4 OPERA TION CONSIDERATIONS
(CONT'D)
5. Before attempting to start the engine,disengage power
to the cutter deck, place the speed control lever in the
neutral position and engage the parking brake.
6. If the mower discharge ever plugs, shut off the engine,
remove the ignition key , and wait for all movement to
stop before removing the obstruction.
DO NOT use your hand to dislodge the clogged
discharge chute. Use a stick or other device to
remove clogged material after the engine has
stopped running and the blades have stopped
turning.
7. Be alert for holes, rocks, roots and other hidden hazards
in the terrain. Keep away from any dropoff. Beware
of overhead obstructions (low limbs, etc.), underground
obstacles (sprinklers, pipes, tree roots, etc.). Cautiously
enter a new area. Be alert for hidden hazards.
14. Disengage power to the attachments when transporting
or when not in use.
15. The machine and attachments should be stopped and
inspected for damage after striking a foreign object,
and damage should be repaired before restarting and
operating the machine.
DO NOT touch the engine or the muffler while the
engine is running or immediately after stopping.
These areas may be hot enough to cause a burn.
DO NOT run the engine inside a building or a
confined area without proper ventilation.
Exhaust fumes are hazardous and contain carbon
monoxide which can cause brain injury and
death.
16. Keep hands and feet away from cutter blades and
moving parts. Contact can injure.
8. Disengage power to cutter deck before backing up. Do
not mow in reverse unless absolutely necessary and
then only after observation of the entire area behind
the mower. If you must mow in reverse, maintain a
constant lookout to the rear of the machine and mow
slowly .
9. DO NOT turn sharply. Use care when backing up.
10. Disengage power to cutter deck before crossing roads,
walks or gravel drives.
11. Mow only in daylight or good artificial light.
12. NEVER raise the deck with the blades engaged.
13. Take all possible precautions when leaving the machine
unattended, such as disengaging the mower, lowering
the attachments, setting the parking brake, stopping the
engine, and removing the key .
17. Use care when loading or unloading the machine onto
a trailer or truck.
18. Use care when approaching blind corners, shrubs, trees,
or other objects that may obscure vision.
19. NEVER leave the machine running unattended.
6
Section 2
WARNING:
2.5 MAINTENANCE CONSIDERA TIONS &
STORAGE
1. Never make adjustments to the machine with the
engine running unless specifically instructed to do so.
If the engine is running, keep hands, feet, and
clothing away from moving parts.
2. Disengage drives, lower implement, set parking brake,
stop engine and remove key or disconnect spark plug
wire to prevent accidental starting of the engine when
servicing or adjusting the machine. W ait for all
movement to stop before adjusting, cleaning or
repairing.
3. Remove spark plug wire before making any repairs.
4. Keep all nuts, bolts and screws tight, to ensure the
machine is in safe working condition. Check blade
mounting bolts frequently to be sure they are tight.
11. Use jack stands to support components when
required.
12. Carefully release pressure from components with
stored energy.
Hydraulic fluid is under high pressure. Keep
body and hands away from pinholes or nozzles
that eject hydraulic fluid under high pressure. If
you need service on your hydraulic system,
please see your authorized Scag dealer. If
hydraulic fluid is injected into the skin, it must
be surgically removed within a few hours by a
doctor or gangrene may result.
13. Let the engine cool before storing.
14. DO NOT store the machine near an open flame.
5. Do not change the engine governor settings or
overspeed the engine. See the engine operator's
manual for information on engine settings.
6. To reduce fire hazard, keep the cutting units, drives,
muffler and engine free of grass, leaves, excessive
grease, oil and dirt.
7. Park the machine on level ground and engage the
parking brake.
8. NEVER allow untrained personnel to service the
machine.
9. Use care when checking blades. Wrap the blade(s)
or wear gloves and use caution when servicing
blades. Only replace blades. NEVER straighten or
weld blades.
10. Keep all parts in good working condition. Replace all
worn or damaged decals.
15. Shut off fuel while storing or transporting.
16. DO NOT store fuel near flames or drain indoors.
7
2.6 SAFETY AND INSTRUCTIONAL DECALS
2
7
2008 SWZV Safety Decals
8
483407
Section 2
48340
48339
482291
483406
48360
8
Section 3
SPECIFICATIONS
ENGINES
General Type:Heavy duty industrial/commercial
Brand:Kawasaki
Models:FH480V (16HP), FH541V (17HP), FH580V (19HP)
Horsepower:16HP, 17HP & 19HP
Type:4 cycle gas, vertical shaft engines
Displacement:16HP=472cc, 17HP=585cc, 19HP=585cc
Cylinders:2 with cast-iron sleeves
Governor:Mechanical type governor with variable speed control. Settings:
16HP, 17HP & 19HP= 3600 rpm (+/-100 rpm), idle set at 1550
rpm (+/-150 rpm).
Exhaust Group:Side-mount single canister muffler
Fuel Pump Group:Pulse-type fuel pump with with in-line filter
Oil Pump Group:See engine manufacturer's specifications
Valve Group:See engine manufacturer's specifications
Starter/Electrical:Electronic Ignition with recoil starter, solid state ignition
ENGINE DECK
Thickness:7 gauge steel
Fuel Tank:5 gallon (18.92 litres) seamless polyethylene with integral cup
holder.
Drive Wheels/Tires:18 x 6.5-8 four-ply pneumatic tubeless (36")
18 x 8.50-8 four-ply pneumatic tubeless (48" & 52")
Brakes:Dynamic braking through hydro drive system
Axles:1" tapered
Handle Bars:1" diameter
DRIVE SYSTEM
Type:Hydro drive with two variable displacement pumps and two
cast-iron high torque motors
Hydro Pumps:Two Hydro-Gear Model BDP 10A pumps with dump valves for
movement without running the engine
Drive Wheel Motors:Two 12 cu. inch cast-iron high torque motors
Hydro Fluid Cooling Group:1-1/2qt. capacity aluminum cooling reservoir, uses, SAE 20W50
fluid and 10 micron filter
Steering / Travel Control::V-bar technology integrates control of both drive wheels via
singlehandle assembly. Push handle downward to travel forward,
upward for reverse; pivot the handle to steer.
Speed control range controlled with single lever (patented
design), in-field tracking adjustment
Parking Brakes:7.5" drum, band brake, one on each wheel
Dump Valves:Allows for movement without engine running
Axles:1" tapered motor shafts
Wire Harness:14 gauge wire
Safety Group:Handle actuated operator presence system (patented design),
blade / clutch and transmission interlock to engine kill
Forward Speed Range:0 to 7.4 mph
Reverse Speed Range:0 to 3.0 mph
Date of Issue: July, 2007
Specifications Subject to Change Without Notice
10
Section 4
CAUTION:
OPERATING INSTRUCTIONS
Do not attempt to operate this mower unless you
have read this manual. Learn the location and
purpose of all controls and instruments before you
operate this mower.
2. Mower Deck Switch (Figure 4-1). Used to engage
and disengage the mower drive system. Pulling up on
the switch will engage the deck drive. Pushing down
on the switch will disengage the deck drive.
3. Engine Choke Control (Figure 4-1). Used to start a
cold engine.
4.1 CONTROLS AND INSTRUMENT
IDENTIFICATION
Before operating the mower, familiarize yourself with all
mower and engine controls. Knowing the location,
function and operation of these controls is important for
safe and efficient operation of the mower.
1. Ignition Switch (Figure 4-1). The ignition switch is
used to start the engine. Manual start engines has two
positions; OFF and ON. Electric Start engines have
three positions; OFF, ON, and START.
CUTTING HEIGHT
ADJUSTMENT
4. Engine Throttle Control (Figure 4-1). Used to
control the engine speed. Pushing the lever forward
increases engine speed. Pulling the lever back
decreases engine speed. Full back position is the
IDLE position. Full forward is the cutting position.
5. Hourmeter (Figure 4-1). Indicates the number of
hours the engine has been operated. It operates
whenever the engine is running. Has preset
maintenance reminders for engine and hydraulic
system oil changes. W ill start flashing scheduled
maintenance 2 hours before preset time and continue
flashing until 2 hours after . Automatically resets.
ENGINE CHOKE
CONTROL
HOURMETER
IGNITION SWITCH
DECK LIFT
ENGINE
THROTTLE
CONTROL
MOWER DECK SWITCH
Figure 4-1 Controls
11
SPEED
CONTROL
PARKING BRAKE
CONTROL
STEERING
CONTROL
SWZV CONTROLS
Section 4
WARNING:
CAUTION:
6. Steering Control (Figure 4-1). Used to control the
mower's travel direction. See Section 4.5 for further
details regarding the mower's travel controls.
7. Speed Control (Figure 4-1). Used to set the
mower's maximum FORWARD speed. See Section
4.5 for further details regarding the mower's travel
controls.
8. Parking Brake Control (Figure 4-1). Used to
engage and disengage the parking brakes. Pull the
lever back to engage the parking brakes. Push the
lever forward to disengage the parking brakes.
9. Deck Lift Lever (Figure 4-1). Used to raise and
lower the cutter deck.
10. Cutting Height Adjustment (Figure 4-1). Used to
set the cutter deck at the desired cutting height.
4.2 SAFETY INTERLOCK SYSTEM
4.3 INITIAL RUN-IN PROCEDURES (First
Day of Use or Approximately 10 Hours)
1. Check all belts for proper alignment and wear at 2, 4
and 8 hours.
2. Change the engine oil and oil filter after the first 20
hours of operation. (See Section 7.4.)
3. Check oil level in the hydraulic system reservoir. (See
Section 7.3.)
4. Check for loose hardware. Tighten as needed.
5. Check interlock system for proper operation. (See
Section 4.2.)
6. Check tire pressure. Adjust pressure if necessary .
(See Section 7.10.)
4.4 STARTING THE ENGINE
The mower is equipped with a safety interlock system
that prevents the engine from starting unless the deck
drive is disengaged, the parking brake is engaged and the
speed control lever is in the neutral position. With the
use of "Sensogrip T echnology", the interlock system shuts
off the engine if the operator removes both hands from the
steering control with the speed control not in the neutral
position, the cutter blades engaged and/or the parking
brake not engaged.
Never operate the mower with the interlock system
disconnected or malfunctioning. Do not disengage
or bypass any switch; injury to yourself and others
or property damage could result.
-IMPORTANT-
The grips on the steering control handle sense
the presence of the operators hand using
"Sensogrip Technology". When using thick
gloves, more hand contact to the steering contr ol
handle may be requir ed.
1. Be sure the fuel shutoff valve, located on the top right
side of the fuel tank, is completely open. (See Section
7.5.)
2. Place the speed control in the neutral position and
disengage the the cutter blades .
3. Engage the parking brake.
4. If the engine is cold, choke the engine as needed.
5. Move the engine throttle control to about half engine
speed.
DO NOT USE STARTING FLUIDS. Use of starting
fluids in the air intake system may be potentially
explosive or cause a “runaway” engine condition
that could result in engine damage and/or personal
injury.
6. Turn the ignition key to the On position and pull on
the recoil starter
7. Allow engine to warm before operating the mower.
12
Section 4
4.5 GROUND TRA VEL AND STEERING
-IMPORTANT-
If you are not familiar with the operation of a
machine with lever steering and/or hydrostatic
transmissions, the steering and ground speed
operations should be learned and practiced in
an open area, away from buildings, fences, or
obstructions. Practice until you are comfortable
with the handling of the machine before
attempting to mow. Learn the operation on flat
ground befor e operating on slopes.
-IMPORTANT-
Start practicing with a slow engine speed and
slow forward travel.
Learn to feather the steering controls to obtain a
smooth operating action.
Practice operating the mower until you are
comfortable with the controls befor e pr oceeding
to mow.
Forward T ra vel
T o travel forward with the mower , place one hand on the
steering control, disengage the parking brake and push
down and forward on the speed control lever to set the
desired speed. Once the desired forward speed is selected
with the speed control lever, slowly push downward on
the steering control to start forward movement. The
further the speed control lever is moved forward and the
steering control is pushed downward, the greater the
forward speed will be. T o decrease the speed, pull
upward on the steering control or pull back on the speed
control lever to set the desired speed. See Figure 4-2.
T o steer the mower to the right while traveling forward,
move the steering control to the left. The further the
steering control is moved, the quicker the mower will turn
right. See Figure 4-3.
-NOTE-
Smooth operation of the steering control lever
will produce smooth mower operation. While
learning the operation of the steering controls,
keep the travel speed low.
Reverse T ravel
T o travel in reverse, pull upward on the steering control.
Keep the travel speed low while traveling in reverse.
-NOTE-
The mower may not travel straight in reverse.
Slight adjustments may need to be made using
the steering controls.
T o steer left while traveling in reverse, move the steering
control to the left. The further the control is moved, the
quicker the mower will turn left.
T o steer right while traveling in reverse, move the steering
control to the right. The further the control is moved, the
quicker the mower will turn right.
T o stop the reverse travel, allow the steering control to
return to the neutral position. If the mower is to be
parked, engage the parking brake.
FORWARD SPEED
CONTROL
T o stop the forward travel completely , pull the speed
control lever back to the neutral position.
T o steer the mower to the left while traveling forward,
move the steering control to the right. The further the
steering control is moved, the quicker the mower will turn
left. See Figure 4-3.
PULL UP
FOR REVERSE
NEUTRAL
PUSH DOWN
FOR FORWARD
Figure 4-2 Forward / Reverse Controls
13
SWZV STEERING CONTROLS
CAUTION:
S
CAUTION:
STEERING TO THE LEFT TRAVELING FORWARD
STEERING TO THE RIGHT TRAVELING IN REVERSE
Section 4
Disengage power to the mower before backing
up. Do not mow in reverse unless absolutely
necessary and then only after observation of the
entire area behind the mower .
Before backing up, observe behind the mower for
persons and obstructions. Clear the area before
backing up. Possible injury or property damage
could occur.
-NOTE-
STEERING TO THE RIGHT TRAVELING FORWARD
STEERING TO THE LEFT TRAVELING IN REVERSE
Figure 4-3 Steering Controls
4.6 ENGAGING THE DECK DRIVE (CUTTER
BLADES)
1. Set the throttle at about 3/4 speed. Do not attempt to
engage the deck drive at high speed as this shortens
the electric clutch life — use only moderate engine
speed when engaging the deck drive.
2. Engage the deck drive by pulling out on the yellow
switch, located on the instrument panel, (Figure 4-4)
to the engage position.
A squealing noise may be heard when engaging
or disengaging the deck drive. It is caused by
the electric clutch plates meshing as the mower
comes up to speed. This is normal.
3. To disengage the deck drive, push the switch in to the
disengage position.
4. Always operate the engine at full throttle to properly
maintain cutting speed. If the engine starts to lug
down, reduce the forward speed and allow the
engine to operate at maximum RPM.
Figure 4-4 Cutter Engage Switch
PULL UP TO ENGAGE
PUSH DOWN TO DISENGAGE
STT99CE
14
Section 4
CAUTION:
4.7 HILLSIDE OPERATION
1. This mower has been designed for good traction and
stability under normal mowing conditions. However,
caution must be used when traveling on slopes,
especially when the grass is wet. Wet grass reduces
traction and steering control.
2. To prevent tipping or loss of control, do not start or
stop suddenly, avoid unnecessary turns and travel at
reduced speed. If tires lose traction, disengage blades
and proceed slowly off the slope.
3. Always travel across a slope with a walk behind
mower.
4. Keep tires properly inflated.
4.8 PARKING THE MOWER
1. Park the machine on a flat, level surface only. Do
not park the machine on an incline.
4.9 AFTER OPERA TION
1. Wash the entire mower after each use. Do not use
high pressure spray or direct the spray onto electrical
components.
-IMPORTANT-
Do not wash a hot or running engine. Cold water
will damage the engine. Use compressed air to
clean the engine if it is hot.
2. Keep the entire mower clean to inhibit serious heat
damage to the engine or hydraulic oil circuit.
3. Check the drive belts for proper alignment and any
signs of wear. Correct and adjust if necessary.
To avoid injury from burns, allow the mower to
cool before removing the fuel tank cap and
refueling.
2. Place the steering control levers in the neutral
position.
3. Disengage the cutter blades
4. Slow the engine to idle speed.
5. Engage the parking brake.
6. Turn the ignition key to the OFF position and remove
the key.
4. After the mower has cooled down, fill the fuel tank
with fresh, clean fuel at the end of every day of
operation.
5. Check the tire pressure. Adjust pressure if necessary .
4.10 REMOVING CLOGGED MATERIAL
RO TATING BLADES
NEVER PUT YOUR HANDS INTO THE CHUTE
AREA. Remove the key and only then use a stick
or similar object to remove material if clogging
has occurred.
1. If the discharge chute becomes clogged, shut off the
engine and remove the ignition key . Using a stick or
similar item, dislodge the clogged material. Then
resume normal mowing.
15
Section 4
WARNING:
WARNING
4.11 MOVING MOWER WITH ENGINE
STOPPED
T o “free-wheel” or move the mower around without the
engine running, place the dump valve levers in the FREEWHEEL position. Disengage the parking brake and move
the mower by hand. The dump valve levers must be
returned to the DRIVE position and torqued to 7-10 ft/lbs
to drive the mower.
4.12 RECOMMENDATIONS FOR MOWING
1. Do not mow with dull blades. A dull blade will tear
grass, resulting in poor lawn appearance and require
extra power.
2. The discharge chute must not be removed and must
be kept in the lowest position to deflect grass clippings
and thrown objects downward. Direct the side
discharge away from sidewalks or streets to minimize
cleanup of clippings. When mowing close to
obstacles, direct the discharge away from the
obstacles to reduce the chance of property damage by
thrown objects.
8. Use the alternate stripe pattern for best lawn
appearance. Vary the direction of the stripe each
time the grass is mowed to avoid wear patterns in
the grass.
4.13 ADJUSTING CUTTING HEIGHT
The mower deck can be adjusted from a height of 1-inch
to 4-1/2 inches at 1/4-inch intervals. T o adjust the cutting
height:
Do not adjust the cutting height with the mower
blades rotating. Disengage the power to the cutter
blades, put levers in the neutral lock position, apply
the brake and then adjust cutting height.
1. Disengage the power to the cutter blades.
2. Pull on the cutter deck lift lever lever all the way
backward until it locks in place. (Figure 4-6).
WARNING
DO NOT OPERATE WITHOUT DISCHARGE CHUTE, MULCHING
KIT, OR ENTIRE GRASS CATCHER INSTALLED
3. Cut grass when it is dry and not too tall. Do not cut
grass too short (cut off 1/3 or less of existing grass for
best appearance). Mow frequently.
4. Keep mower and discharge chute clean.
5. When mowing wet or tall grass, mow the grass twice.
Raise the mower to the highest setting for the first
pass and then make a second pass to the desired
height.
6. Use a slow travel speed for trimming purposes.
7. Operate the engine at full throttle for best cutting.
Mowing with a lower RPM causes the cutter blades
to tear the grass. The engine is designed to be
operated at full speed.
3. Insert the lanyard pin into the cutting height index at
the desired cutting height. Pull backward on the
cutter deck lift lever, push and hold the lock button
(Figure 4-6). Slowly release the cutter deck lift lever.
A deck height decal is located on the cutting height
index as an aid in adjusting the deck to the desired
height.
LANYARD PIN
Figure 4-6 Adjusting Cutting Height
CUTTER DECK
LIFT LEVER
16
Section 5
TROUBLESHOOTING CUTTING CONDITIONS
CONDITION
CAUSE
CURE
Stringers - OccasionalLow engine RPMRun engine at full RPM
Blades of Uncut
GrassGround speed too fastSlow speed to adjust for conditions
Wet grassCut grass after it has dried out
Dull blades, incorrect sharpeningSharpen blades
Deck plugged, grass accumulationClean underside of deck
Deck plugged, grass accumulationClean underside of deck
Ground speed too fastSlow speed to adjust for conditions
Wet grassCut grass after it has dried out
Width of Deck
SGB018
Bent bladesReplace blades
Streaking - Strips ofNot enough overlappingIncrease the overlap of each
Uncut Grass Betweenbetween rowspass
Cutting Paths
Width
of
Deck
SGB019
Width
of
Deck
17
TROUBLESHOOTING (CONT'D)
Section 5
CONDITION
CAUSE
CURE
Uneven Cut on FlatLift worn from bladeReplace blade
Ground - Wavy
High-LowBlade upside downMount with cutting edge toward
Appearance,ground
Scalloped Cut, or
Rough ContourDeck plugged, grass accumulationClean underside of deck
Too much blade angle (deck pitch)Adjust pitch and level
Deck mounted improperlySee your authorized SCAG dealer
Bent spindle areaSee your authorized SCAG dealer
Dull bladeSharpen blade
Width of Deck
SGB020
Uneven Cut onUneven groundMay need to reduce ground speed,
Uneven Ground -raise cutting height, and/or change
Wavy Appearance,direction of cut
High-LowScalloped
Cut, or Rough Contour
Width of Deck
SGB021
Sloping Ridge AcrossTire pressures not equalCheck and adjust tire pressure
Width of Cutting Path
Wheels unevenCheck and adjust tire pressure
Deck mounted incorrectlySee your authorized SCAG dealer
Deck not level side-to sideCheck for level and correct
Width of Deck
SGB023
18
Section 5
TROUBLESHOOTING (CONT'D)
CONDITION
CAUSE
CURE
Scalping - BladesLow tire pressuresCheck and adjust pressures
Hitting Dirt or
Cutting Very Close toGround speed too fastSlow speed to adjust for conditions
the Ground
Cutting too lowMay need to reduce ground speed,
raise cutting height, change direction
of cut, and/or change pitch and level
Rough terrainMay need to reduce ground speed,
raise cutting height, and/or change
direction of cut
Ground speed too fastSlow speed to adjust for conditions
Width of Deck
SGB022
Step Cut -RidgeBlades not mounted evenlyAdjust pitch and level
in Center of
Cutting pathBent bladeReplace blade
Wet grassCut grass after it has dried out
Internal spindle failureSee your authorized SCAG dealer
Mounting of spindle incorrectSee your authorized SCAG dealer
Width of Deck
SGB024
Slope Cut - SlopingBent spindle mounting areaSee your authorized SCAG dealer
Ridges Across Width
of Cutting PathInternal spindle failureSee your authorized SCAG dealer
Bent deck housingSee your authorized SCAG dealer
Width of Deck
SGB025
19
Section 6
WARNING:
CAUTION:
ADJUSTMENTS
6.1 PARKING BRAKE ADJUSTMENT
Do not operate the mower if the parking brake is
not operable. Possible severe injury could
result.
The parking brake linkage should be adjusted whenever
the parking brake lever is placed in the “ENGAGE”
position and the parking brake will allow the mower to
move. If the following procedures do not allow you to
engage the parking brake properly , contact your Scag
dealer for further brake adjustments.
1. Adjust the parking brake so that tension is felt
approximately 1" before the brake hand lever is
against the stop on the handle bar.
6.2 TRA VEL ADJUSTMENTS
Neutral or tracking adjustments will need to be made if:
A. The steering control is in the neutral position and
the machine creeps forward or backward.
(Neutral Adjustment).
B. The steering control is in the full forward position
and the mower pulls to one side or the other
when traveling in a forward direction. (Tracking
Adjustment, See Page 23).
Neutral Adjustment
1. Be sure the dump valves are in the run position and
the speed control lever is in the neutral lock position.
2. On a flat level surface, start the engine and disengage
the parking brake.
Adjust the brake only enough to hold the machine. Excessive force may cause damage to the
machine or brake components.
2. Adjust the brake actuator rod on either side of the
machine to obtain proper brake adjustment.
-NOTE-
If this procedur e does not achieve proper brake
adjustment, please contact your authorized Scag
dealer.
3. Run the engine at full operating speed and check if
the machine creeps forward or backwards.
4. Adjust the RH wheel by turning the tracking
adjustment knob "clockwise" until the RH drive wheel
turns in the forward direction. Turn the tracking
adjustment knob "counter-clockwise" until the drive
wheel stops moving. Turn the tracking adjustment
knob an additional 1/2 turn "counter-clockwise". (See
Figure 6-1).
5. Repeat for the LH wheel. (See Figure 6-2).
6. On a flat level surface, start the engine and disengage
the parking brake.
7. Check that the drive wheels remained in neutral and
readjust if necessary .
20
Section 6
CAUTION:
CAUTION:
Tracking Adjustment
Stop the engine and remove the key from the
ignition before making any adjustments. W ait for
all moving parts to come to a complete stop
before beginning work.
The engine and drive unit can get hot during
operation causing burn injuries. Allow engine
and drive components to cool before making any
adjustments.
-NOTE-
Before proceeding with this adjustment, be sure
that the caster wheels turn freely and that the tire
pressure in the drive wheels is correct. If the tire
pressure is not correct, the machine will pull to
the side with the lower pressure.
1. If at full speed the mower pulls right, it is an
indication that the left wheel is turning faster than the
right wheel. T o adjust this condition, proceed as
follows:
A. Stop the machine and place the speed control
lever in the neutral position. Turn the tracking
adjustment knob for the LH drive wheel
"counter-clockwise". This will cause the control
rod to stroke the LH pump less, slowing down
the LH wheel. (See Figure 6-2)
-NOTE-
If after making the adjustment as outlined in step 1A,
the machine creeps forwar d or backwar d, the neutral
adjustment must be made as described on page 22.
2. If at full speed the mower pulls left, it is an indication
that the right wheel is turning faster than the left
wheel. T o adjust this condition, proceed as follows:
A. Stop the machine and place the speed control
lever in the neutral position. Turn the tracking
adjustment knob for the RH drive wheel
"counter-clockwise". This will cause the control
rod to stroke the RH pump less, slowing down
the RH wheel. (See Figure 6-1)
-NOTE-
If after making the adjustment as outlined in step 2A,
the machine creeps forwar d or backwar d, the neutral
adjustment must be made as described on page 22.
These adjustments must be performed by your Scag
dealer to ensure proper and efficient running of the
engine. Should either need adjustment, contact your
authorized Scag service center.
6.4 BELT ADJUSTMENT
Before removing any guards, shut the engine off
and remove the ignition key.
All drive belts and cutter deck belts are spring loaded and
self-tensioning. The belts should be checked periodically
for proper alignment and wear.
Cutter Deck Level
The cutter deck should be level from side-to-side for
proper cutting performance. To check for level, be sure
that the mower is on a flat, level surface, the tires are
properly inflated and the cutter deck is set at the most
common cutting height that you will use. On the LH side
of the machine, check the distance from the top of the
cutter deck to the floor. Next check the distance from the
top of the cutter deck to the floor on the RH side of the
machine. Both measurements should be the same. If the
two measurements are different, the cutter deck level
must be adjusted as follows:
1. On the front RH side of the cutter deck locate the
cutter deck adjustment levers. Loosen the elastic stop
nuts securing the cutter deck adjustment levers on the
front and rear of the cutter deck. (See Figure 6-3)
CUTTER DECK ADJUSTMENT
BOLT
6.5 BELT ALIGNMENT
Belt alignment is important for proper performance of
your Scag mower. If you experience frequent belt wear
or breakage, see your authorized Scag service center for
belt adjustment.
6.6 CUTTER DECK ADJUSTMENTS
Cutter deck level, pitch and height are set at the factory .
However, if these adjustments should ever need to be
made, the following procedures will aid in obtaining the
proper cutter deck adjustment.
-NOTE-
Before proceeding with the cutter deck
adjustments, be sure that all tires are properly
inflated.
CUTTER DECK ADJUSTMENT
BOLT
Figure 6-3 Cutter Deck Level Adjustment
22
Section 6
2. Turn the adjustment bolts on the front and rear cutter
deck adjustment levers clockwise to raise or counterclockwise to lower the RH side until the distance from
the top of the cutter deck to the floor is the same as
the measurement on the LH side of the machine.
3. Tighten the two elastic stop nuts to secure the cutter
deck in the proper position.
Cutter Deck Pitch
The pitch of the cutter deck should be equal between the
front and rear of the cutter deck for proper cutting
performance. To check for proper deck pitch, be sure
that the mower is on a flat, level surface and the tires are
properly inflated.
Check the distance from the top of the cutter deck to the
floor at the rear RH side of the cutter deck. Next check
the distance from the top of the cutter deck to the floor at
the front RH side of the cutter deck. The measurement at
the front of the cutter deck should be the same as the rear
of the deck. Make these measurements at the LH side of
the cutter deck also. If the measurement at the front of
the deck is not the same, the cutter deck pitch must be
adjusted as follows:
CUTTER DECK ADJUSTMENT
BOLT
CUTTER DECK ADJUSTMENT
BOLT
1. Loosen the elastic stop nuts securing the deck level
links on front of the cutter deck on both sides (See
Figure 6-4).
2. Turn the adjustment bolts on both side either
clockwise to raise or counterclockwise to lower the
front of the cutter deck until the measurements are
equal. Tighten the elastic stop nuts.
Figure 6-4 Cutter Deck Pitch Adjustment
Cutter Deck Height
The cutter deck height adjustment is made to ensure that
the cutter deck is cutting at the height indicated on the
cutting height index gauge. To check for proper deck
height, be sure that the mower is on a flat, level surface,
shut off the engine and remove the igition key . Make
sure the tires are properly inflated.
1. Check the cutter deck cutting height by placing the
lanyard pin in the 3" position on the cutting height
index. Release the deck from the transport position
and allow the deck to move to the 3" cutting height
position.
23
Section 6
WARNING:
DECK HEIGHT
CONTROL ROD
LOOSEN HERE
Figure 6-5 Cutter Deck Height Adjustment
2. Rotate the cutter blade on the left side of the cutter
deck. Position the cutter blade so it is facing "front to
back" on the machine.
B. Turn the adjustment bolts on both side either
clockwise to raise or counterclockwise to lower
the front of the cutter deck until the
measurements are equal. T ighten the elastic stop
nuts.
6. Rotate the cutter blade on the right side of the cutter
deck. Position the cutter blade so it is facing "front to
back" on the machine.
7. Check the measurement from the floor to the cutter
blade tip at the front and rear of the right side blade.
If the measurement is not at 3", an adjustment must
be made using the cutter deck adjustment lever.
Adjust as follows:
A. Loosen the elastic stop nuts securing the deck
level links on front of the cutter deck on both
sides (See Figure 6-3 and Figure 6-4 for Cutter
Deck Adjustment Lever Location).
Always wear proper hand and eye protection when
working with cutter blades.
3. Check the measurement from the floor to the cutter
blade tip at the rear of the left side blade. If the
measurement is not at 3", an adjustment can be made
using the deck height control rod.
4. Adjust by loosening the jam nuts on the deck height
control rod. Turn the deck height control rod until the
3" setting is acheived. Hold the deck height control
rod and tighten the jam nuts.
5. Once the adjustment is made to the deck height
control rod, Check the measurement from the floor to
the cutter blade tip at the front of the left side blade.
If the measurement is not at 3", an adjustment must
be made using the cutter deck adjustment lever.
Adjust as follows:
B. Turn the adjustment bolts on both side either
clockwise to raise or counterclockwise to lower
the cutter deck until the measurements are equal.
Tighten the elastic stop nuts.
Custom-Cut Baffle Adjustment
The Custom-Cut Baffle is designed to deliver optimum
airflow and superior cutting performance in any type of
grass. The Custom-Cut Baffle can be raised or lowered
to precisely tailor the deck's performance for the type of
grass being cut. Your machine will be equipped with
either a three (3) position or seven (7) position CustomCut Baffle. Before making adjustments to the location of
the Custom-Cut Baffle, determine which version your
machine is equipped with. Reference the following page
when making adjustments.
A. Loosen the elastic stop nuts securing the deck
level links on front of the cutter deck on both
sides (See Figure 6-3, Page 24 and Figure 6-4,
Page 25 for Cutter Deck Adjustment Lever
Location).