ULTRA VAC®
LAZER Z®, LAZER Z® AS,
LAZER Z® XP AND
LAZER Z® XS MODELS
For Ultra Vac Serial Nos.
850,000 & Higher
(to fit Lazer Z (LZ), Lazer Z AS (LAS), and
Lazer Z XP Units 352,000–789,999)
(to fit Lazer Z XS Units
352,000 & Higher)
Part No. 4500-610 Rev. A
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Introduction
CONGRATULATIONS on the purchase of your
Exmark Ultra Vac. This product has been carefully
designed and manufactured to give you a maximum
amount of dependability and years of trouble-free
operation.
This manual contains operating, maintenance,
adjustment, and safety instructions for your Exmark
Ultra Vac
BEFORE OPERATING YOUR MOWER,
CAREFULLY READ THIS MANUAL IN ITS
ENTIRETY.
Figure 1
1. Model and serial number location
By following the operating, maintenance, and safety
instructions, you will prolong the life of your Ultra
Vac, maintain its maximum efficiency, and promote
safe operation.
Model No.
Serial No.
If additional information is needed, or should you
require trained mechanic service, contact your
authorized Exmark equipment dealer or distributor.
Exmark parts manuals are available online at
All Exmark equipment dealers and distributors are
kept informed of the latest methods of servicing
and are equipped to provide prompt and efficient
service in the field or at their service stations. They
carry ample stock of service parts or can secure them
promptly for you from the factory.
All Exmark parts are thoroughly tested and inspected
before leaving the factory, however, attention is
required on your part if you are to obtain the fullest
measure of satisfaction and performance.
Whenever you need service, genuine Exmark parts,
or additional information, contact an Authorized
Service Dealer or Exmark Customer Service and have
the model and serial numbers of your product ready.
Figure 1 identifies the location of the model and serial
numbers on the product. Write the numbers in the
space provided.
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Contents
Introduction ........................................................... 3
4
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Safety
• Never let children or untrained people operate
Safety
Safety Alert Symbol
This Safety Alert Symbol (Figure 2) is used both in
this manual and on the machine to identify important
safety messages which must be followed to avoid
accidents
or service the equipment. Local regulations may
restrict the age of the operator.
• Only adults and mature teenagers should operate
a mower, and even mature teenagers should have
adult supervision. Be sure a teenager:
1. has read and understands the Operator’s
Manual and recognizes the risks involved;
This symbol means: ATTENTION! BECOME
ALERT! YOUR SAFETY IS INVOLVED!
2. is sufficiently mature to use caution; and
3. is of sufficient size and weight to operate
the controls comfortably and to manage the
mower without taking risks.
Figure 2
• The owner/user can prevent and is responsible
for accidents or injuries occurring to himself or
herself, other people or property.
1. Safety alert symbol
The safety alert symbol appears above information
which alerts you to unsafe actions or situations
and will be followed by the word DANGER,
WARNING, or CAUTION.
Preparation
• Evaluate the terrain to determine what accessories
and attachments are needed to properly and safely
perform the job. Only use on machines approved
by Exmark.
DANGER: White lettering / Red background.
Indicates an imminently hazardous situation which, if
not avoided, Will result in death or serious injury.
• Wear appropriate clothing including safety glasses,
substantial footwear, long trousers, and hearing
protection. Do Not operate when barefoot or
when wearing open sandals.
WARNING: Black lettering / Orange background.
Indicates a potentially hazardous situation which, if
not avoided, Could result in death or serious injury.
CAUTION: Black lettering / Yellow background.
Indicates a potentially hazardous situation which, if
not avoided, May result in minor or moderate injury.
CAUTION
This machine produces sound levels in
excess of 85 dBA at the operator’s ear and
can cause hearing loss through extended
periods of exposure.
This manual uses two other words to highlight
information. Important calls attention to special
mechanical information and Note emphasizes
general information worthy of special attention.
Wear hearing protection when operating this
machine.
Safe Operating Practices
• Inspect the area where the equipment is to be
used and remove all rocks, toys, sticks, wires,
bones, and other foreign objects which can be
thrown by the machine and may cause personal
injury to the operator or bystanders.
Training
• Read the tractor and Ultra Vac Operator’s Manuals
and other training material. If the operator(s) or
mechanic(s) can not read English it is the owner’s
responsibility to explain this material to them.
Operation
• Operate only in daylight or good artificial light,
keeping away from holes and hidden hazards.
• Become familiar with the safe operation of the
equipment, operator controls, and safety signs.
• All operators and mechanics should be trained.
The owner is responsible for training the users.
• Never mow with the discharge deflector raised,
removed or altered unless there is a grass
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Safety
collection system or mulch kit in place and
working properly.
Slope Operation
Use Extreme caution when mowing and/or turning
on slopes as loss of traction and/or tip-over could
occur. The operator is responsible for safe operation
on slopes.
DANGER
There are rotating blades in the blower and
under the mower deck. Blade contact can
cause serious operator or bystander injury
or even death.
DANGER
Operating on wet grass or steep slopes can
cause sliding and loss of control. Wheels
dropping over edges, ditches, steep banks, or
water can cause rollovers, which may result
in serious injury, death or drowning.
• Do Not reach into blower unless rotation
indicator has stopped. Disengage PTO,
stop engine, remove key, wait for all
moving parts to stop. engage parking
brake.
• Do Not mow slopes when grass is wet.
• Do Not mow near drop-offs or near water.
• Never operate mower unless discharge
deflector, entire grass collection system,
or mulch kit is installed.
• Do Not mow slopes greater than 15
degrees.
• Stop engine, wait for all moving parts to stop,
remove key and engage parking brake:
• Reduce speed and use extreme caution
on slopes.
– Before checking, cleaning or working on the
mower.
• Avoid sudden turns or rapid speed
changes.
– After striking a foreign object or abnormal
vibration occurs (inspect the mower for
damage and make repairs before restarting
and operating the mower).
• Keep the roll bar in the raised and locked
position and use seat belt.
• See inside the back cover to determine the
approximate slope angle of the area to be mowed.
– Before clearing blockages.
– Whenever you leave the mower.
• Use a walk behind mower and/or a hand trimmer
near drop-offs, ditches, steep banks or water.
WARNING
Hands, feet, hair, clothing, or accessories can
become entangled in rotating parts. Contact
with the rotating parts can cause traumatic
amputation or severe lacerations.
• Do Not operate the machine without
guards, shields, and safety devices in
place and working properly.
• Keep hands, feet, hair, jewelry, or clothing
away from rotating parts.
• Stop the blades, slow down, and use caution when
crossing surfaces other than grass and when
transporting the mower to and from the area to
be mowed.
• Be aware of the mower discharge path and direct
discharge away from others.
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Safety
progressively greater care on slopes as the hopper
fills.
Maintenance and Storage
• Disengage drives, set parking brake, stop engine
and remove key or disconnect spark plug wire.
Wait for all movement to stop before adjusting,
cleaning or repairing.
• Use care when checking blades. Wrap the blade(s)
or wear gloves, and use caution when servicing
them. Only replace damaged blades. Never
straighten or weld them.
• Keep all guards, shields and all safety devices in
place and in safe working condition.
Figure 3
1. Safe Zone-Use the mower here on slopes less than 15
degrees
2. Danger Zone-Use a walk behind mower and/or hand
trimmer on slopes greater than 15 degrees, near
drop-offs and water.
• Check all bolts frequently to maintain proper
tightness.
• Frequently check for worn or deteriorating
components that could create a hazard.
3. Water
• All replacement parts must be the same as
or equivalent to the parts supplied as original
equipment.
• Remove or mark obstacles such as rocks, tree
limbs, etc. from the mowing area. Tall grass can
hide obstacles.
• Watch for ditches, holes, rocks, dips and rises that
change the operating angle, as rough terrain could
overturn the machine.
• Avoid sudden starts when mowing uphill because
the mower may tip backwards.
• Be aware that operating on wet grass, across steep
slopes or downhill may cause the mower to lose
traction. Loss of traction to the drive wheels may
result in sliding and a loss of braking and steering.
• Always avoid sudden starting or stopping on a
slope. If tires lose traction, disengage the blades
and proceed slowly off the slope.
• Follow the manufacturer’s recommendations for
wheel weights or counter weights to improve
stability. Always install and remove the Ultra Vac,
including counter weights, as instructed. Failure
to do so will cause a reduction in stability or
traction. Do Not operate the mower with only a
portion of the Ultra Vac installed.
• Use extreme care with grass catchers or
attachments. These can change the stability of the
machine and cause loss of control. The stability
and traction of the machine will change as the
Ultra Vac hopper fills with grass clippings. Use
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Safety
Safety and Instructional Decals
• Keep all safety signs legible. Remove all grease,
dirt and debris from safety signs and instructional
labels.
• New safety signs may be obtained from
your authorized Exmark equipment dealer or
distributor or from Exmark Mfg. Co. Inc.
• Replace all worn, damaged, or missing safety
signs.
• Safety signs may be affixed by peeling off the
backing to expose the adhesive surface. Apply
only to a clean, dry surface. Smooth to remove
any air bubbles.
• When replacement components are installed, be
sure that current safety signs are affixed to the
replaced components.
• Familiarize yourself with the following safety signs
and instruction labels. They are critical to the safe
operation of your Exmark commercial mower.
• If an attachment or accessory has been installed,
make sure current safety signs are visible.
1-653558
98-5954
103-6606
103-6607
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Safety
103-3508
LZUV52 Only
109-5890
UV60 and UV6672
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Specifications
Specifications
Model Numbers
Serial Nos: 850,000 and Higher
LZUV52–Fits Lazer Z (LZ) and Lazer Z AS (LAS) Units 789,999 and Lower with 52 inch deck.
UV60–Fits Lazer Z (LZ), Lazer Z AS (LAS), and Lazer Z XP Units 352,000–789,999 and Lazer Z XS Units 352,000
and Higher with 60 inch deck.
UV6672–Lazer Z (LZ), Lazer Z AS (LAS), and Lazer Z XP Units 352,000–789,999 and Lazer Z XS Units 352,000
and Higher with 66 inch or 72 inch deck.
w/Ultra Vac
Systems
72 inch Deck-SN 599,999 86.49 inches (219.7 cm)
and Lower
Bagging System
72 inch Deck-SN 600,000 87.38 inches (221.9 cm)
and Higher
• Collection bins:
– Commercial grade, cloth mesh bags with
reinforced bottoms.
– Capacity: 11.0 bushels
52 inch decks: 8 bushels (2 bags and hood)
60, 66, and 72 inch decks: 13.4 bushels (3
bags and hood)
• Dump Mechanism: Manual lift off
• Blower Tube: Fixed, abrasion resistant molded
polyethylene.
• Impeller: 5–bladed, 1/4 inch (6.4 mm) thick
abrasion resistant steel, with vertical axis.
• Impeller bearings: 1 inch (2.5 cm) sealed
non-greaseable bearings.
Dimensions
Overall Width:
w/Ultra Vac
52 inch Deck - All
66.85 inches (169.8 cm)
60 inch Deck-SN 599,999 74.44 inches (189.1 cm)
and Lower & All Lazer AS
789,999 and Lower
60 inch Deck-SN 600,000 74.94 inches (190.3 cm)
and Higher
66 inch Deck-All
81.50 inches (207.0 cm)
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Specifications
Overall Length:
Curb Weight:
w/Ultra Vac
52 inch Deck-Air-Cooled 105.70 inches (268.5 cm)
w/Ultra Vac
52 inch Deck-All
254 lb (115 kg)
52 inch Deck-
Liquid-Cooled
106.00 inches (269.1 cm)
60 inch Deck-SN 599,999 324 lb (147 kg)
and Lower & All Lazer AS
789,999 and Lower
60 inch Deck-SN 599,999 106.65 inches (270.9 cm)
and Lower Air-Cooled
60 inch Deck-SN 600,000 243 lb (110 kg)
and Higher Air-Cooled
(except AS)
60 inch Deck-SN
600,000–789,999
Air-Cooled
110.04 inches (279.5 cm)
60 inch Deck-SN 600,000 261 lb (118 kg)
and Higher Liquid-Cooled
60 inch Deck-SN 599,999 106.90 inches (271.5 cm)
and Lower Liquid-Cooled
66 inch Deck-All
Air-Cooled
190 lb (86 kg)
60 inch Deck-SN 599,999 107.90 inches (274.1 cm)
and Lower Lazer XP & XS
66 inch Deck-All
Liquid-Cooled
208 lb (94 kg)
60 inch Deck-SN 600,000 110.88 inches (281.6 cm)
and Higher Lazer XP & XS
72 inch Deck-SN 600,000 271 lb (123 kg)
and Higher
66 inch Deck-Air-Cooled 111.59 inches (283.4 cm)
72 inch Deck-SN 600,000 190 lb (86 kg)
and Higher Air-Cooled
66 inch Deck-Lazer XP & 112.43 inches (285.6 cm)
XS
72 inch Deck-SN 600,000 208 lb (94 kg)
and Higher Liquid-Cooled
72 inch Deck-SN 599,999 110.75 inches (281.3 cm)
and Lower Air-Cooled
72 inch Deck-SN
600,000–789,999
Air-Cooled
114.12 inches (289.9 cm)
Torque Requirements
Bolt Location
Torque
72 inch Deck-SN 599,999 111.00 inches (278.3 cm)
and Lower Liquid-Cooled
Impeller Spindle Bottom 55-60 ft-lb (75-81 N-m)
Nut
72 inch Deck-SN 599,999 112.00 inches (281.9 cm)
and Lower Lazer XP & XS
Impeller Spindle Top Nut 75-80 ft-lb (102-108 N-m)
72 inch Deck-SN 600,000 115.37 inches (293.0 cm)
and Higher Lazer XP & XS
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Operation
Product Overview
Operation
Note: Determine the left and right sides of the
machine from the normal operating position.
Pre-Start
Make sure you understand the controls, their
locations, their functions, and their safety
requirements.
Ensure the blower, belt cover, bags, tube and hood
are in good condition, properly attached, and latched.
For units above Serial Number 600,000 with Triton
decks: Make sure that the adjustable dog leg baffle is
closed to match the intake into the Ultra Vac Blower.
Figure 4
1. Hood
2. Weight
4. Tube
5. Bag
3. Blower
WARNING
If the deck discharge opening and the blower
intake opening do not match correctly, it
will allow objects to be thrown in operator’s
or bystander’s direction. Also, contact with
blade could occur. Thrown objects or blade
contact can cause serious injury or kill you
or bystanders.
Adjust dog leg baffle to match intake
opening.
Refer to the Maintenance section and perform all the
necessary inspection and maintenance steps.
Operating Instructions
Mowing
1. The Ultra Vac blower operates when deck drive
is engaged. Be sure that all persons are clear
of the mower deck before engaging the cutting
blades. Set the throttle to “midway” position. Pull
outward on the PTO switch to the “ROTATE”
position. Accelerate to full throttle to begin
mowing.
2. To disengage the deck drive and blower, set the
throttle to “midway” position. Push in on the
PTO switch to the “STOP” position to stop the
cutting blades and blower. The cutting blades will
require a slightly longer amount of time to come
to a complete stop when the blower is installed
on the deck. Verify that all rotation indicators
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Operation
have stopped before clearing blower assembly or
mower deck
3. To remove the bags, first shut off deck drive, stop
the engine and wait for all moving parts to stop.
Open the hood and remove the bags by lifting up
on the rear of the bag, then unhooking the front
clip. Empty the bags by inverting them.
4. Reinstall bags, close and latch hood before
continuing mowing.
Tips for mowing conditions:
• When mowing in areas with sandy soil, use
low lift blades on the cutting deck and higher
cutting heights to minimize wear on the blower
components.
• When mowing in wet conditions, such as just after
a rain or in heavy dew, use low lift blades on the
cutting deck to minimize plugging of the blower.
Figure 5
5. Belt Cover
• Maintaining a ground speed that does not pull
down the engine RPM will allow for the highest
productivity and best quality of cut. Bogging the
engine RPM down by going too fast will cause
plugging and quality of cut issues.
1. Clevis Pin
2. Caster Arm Weight
3. Hairpin
6. Blower
7. Tube
8. Bags
4. Front Floorpan Weight
• When the bags get full, the sound of the blower
will change and there will be slight blowout from
the front right corner of the deck. Emptying the
bags at this point will minimize the potential for
the tube to plug.
3. Remove the belt cover by loosening the knobs.
For 60 inch and 66 inch units the outboard knob
does not need to be removed completely to
remove the belt cover.
• For units below Serial Number 600,000:
Anti-blowout kits are available for leaf collection.
They help to prevent “chasing” the leaves. To
reduce “plowing” leaves, raise the deck slightly.
CAUTION
The deck sheave will become very hot.
Touching a hot deck sheave can cause severe
burns.
• On Triton: Raise front adjustable baffle to
reduce plowing. Lowering front adjustable baffle
may prevent “chasing”. Match discharge opening
to Ultra Vac intake for best performance.
Allow the deck sheave to cool completely
before removing the belt.
4. Pull the idler release handle and remove the belt
from the upper groove of the deck sheave.
Bagger Removal for Side Discharge
5. Unlatch the front end of the blower. Pivot the
blower back and lift it off the deck.
1. Shut off the deck drive, stop engine and wait for
all moving parts to stop. Remove key and engage
parking brake.
6. Install the discharge chute using the chute pivot
pin and hairpin (see Figure 6).
2. Remove the discharge tube by releasing the
latches at the blower. Slide the tube off the blower
outlet and remove the upper end from the hood.
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Operation
Note: The removable weights are heavy. Use
care when lifting them. Make sure that you can
hold them securely before lifting them. Use
caution when positioning your hands so that you
Do Not set them down on your hands or fingers.
Note: The portions of the Ultra Vac bagger that
are not bolted to the mower are designed to be
installed or removed in their entirety. Failure to
do so will cause a reduction in stability or traction.
Do Not operate the mower with only a portion
of the Ultra Vac installed.
Figure 6
Viewed from the right side
1. Hairpin
2. Chute Pivot Pin
3. Discharge Chute
CAUTION
Caster or front floor pan weights installed
without bagger may cause loss of traction
and steering control. Loss of control can
result in an accident, which may cause death,
injury, or property damage.
Note: Install chute with the tabs to the rear of
the deck tabs as shown.
WARNING
Install caster or front floor pan weights
ONLY when bagger is installed.
An uncovered discharge opening will
allow objects to be thrown in operator’s or
bystander’s direction. Also, contact with
blade could occur. Thrown objects or blade
contact can cause serious injury or kill you
or bystanders.
11. The machine can now be used for side discharge
mowing.
Bagger Installation for Bagging
1. Stop engine, remove key, and wait for all moving
parts to stop. Engage parking brake.
Never operate mower unless discharge
deflector, or entire grass collection system, or
mulch kit is installed.
2. Remove hairpin and chute pivot pin. Remove
discharge chute. Pivot pin and hair pin may be
stored in the pivot holes of the discharge chute
during bagging operation.
7. Re-install the plastic belt cover and tighten the
knobs.
8. Remove the hair pins and clevis pins holding the
hood assembly to the mount weldment.
3. Install the bagger assembly onto the mount by
slipping the hook portion over the top mounting
tube of the mount weldment (see Figure 5).
Secure the assembly to the mount using the clevis
pins and hairpins.
9. Lift the hood assembly off the mount.
10. The removable weights must be removed from
above the caster wheels (and front of floor pan
on some units). To remove the caster weights.
Loosen the clamping knobs until the weight can
be moved relative to the caster arm. Remove the
hairpins and clevis pins that hold the weights to
the caster arms. Carefully lift the weights off of
the caster arms.
4. Install the bag assemblies by inserting the hook
portion into the slots in the cross bar of the hood
assembly.
5. Mount the blower on the deck by sliding the
mounting pin into the tube at the rear right corner
of the deck. Swing the blower closed. Adjust the
position of the front pin to engage the slot in the
front of the deck. Use the latch to lock the blower
in this position. Adjust the tension on the latch
to hold the blower up to the deck, yet allow for
release by hand.
To remove the weight on the front of the floor
pan, remove the two hairpins that retain it and
then lift it from the mount plates.
The weights and brackets bolted to the floor pan
remain on the unit.
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Operation
6. Pull the spring loaded idler back and slip the belt
over the top spindle deck sheave.
7. Install the plastic belt cover. On 60 inch and 66
inch units the outside end of the cover is slotted
and can slip between the two washers on the belt
shield stud. The plastic knob does not need to
be removed. On 72 inch and 52 inch units the
cover has a hole, and the plastic knob must be
installed after the cover has been positioned. The
original belt cover stud must be removed on
52 inch units.
8. For Units Serial Number 600,000 and Higher
with Triton Decks: Adjust position of dog leg
baffle to match the intake of the Ultra Vac blower
baffle adjusted too wide may allow objects to be
thrown from under deck. Baffle adjusted too
narrow may cause plugging issues.
Figure 7
2. Hairpin
1. Clevis Pin
All Units: Slip the upper end of the tube
assembly into the hood opening. Slide the lower
end of the tube assembly over the blower outlet
and align the notch with the tube latch. Latch the
tube to the blower.
11. Units with removable floorpan weight:
Tighten knob on weight assembly until the weight
is clamped securely to the caster arm.
12. Hook weight plate assembly over the top of the
weight mounting plates and secure with two
hairpins as shown in Figure 8).
Note: The removable weights are heavy. Use
care when lifting. Make sure that you can hold the
weight securely before lifting. Use caution when
positioning your hands so that you Do Not set
the weight down on your hands or fingers.
9. Install the removable weight assemblies over
the caster arms. On 52 inch and 60 inch Lazer
Z AS machines and 60 inch Lazer Z machines
serial number 599,999 and lower, one weight has
a wide mounting bracket and one has a narrow
bracket. They will only fit the machine one way.
Weights for the 60 inch Lazer Z serial number
600,000 and higher, 60 inch Lazer Z XP, 60 inch
Lazer Z XS and all 66 inch and 72 inch units are
interchangeable left and right.
Figure 8
1. Weight Plate Assembly
2. Hairpin
10. Install a clevis pin and hairpin on each caster
weight to retain them (see Figure 7).
Note: The portions of the Ultra Vac bagger that
are not bolted to the mower are designed to be
installed or removed in their entirety. Do Not
operate the mower with only a portion of the
Ultra Vac installed.
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Operation
Transporting
WARNING
Loading a unit on a trailer or truck increases
the possibility of backward tip-over.
Backward tip-over could cause serious injury
or death.
Transporting a Unit
Use a heavy-duty trailer or truck to transport the
machine. Lock brake and block wheels. Securely
fasten the machine to the trailer or truck with straps,
chains, cable, or ropes. Be sure that the trailer or truck
has all necessary lighting and marking as required by
law. Secure a trailer with a safety chain.
• Use extreme caution when operating a
unit on a ramp.
• Use only a single, full width ramp; Do
Not use individual ramps for each side
of the unit.
CAUTION
This unit does not have proper turn
• If individual ramps must be used, use
enough ramps to create an unbroken
ramp surface wider than the unit.
signals, lights, reflective markings, or a
slow moving vehicle emblem. Driving on a
street or roadway without such equipment
is dangerous and can lead to accidents
causing personal injury. Driving on a street
or roadway without such equipment may also
be a violation of State laws and the operator
may be subject to traffic tickets and/or fines.
• Do Not exceed a 15° angle between ramp
and ground or between ramp and trailer
or truck.
• Avoid sudden acceleration while driving
unit up a ramp to avoid tipping backward.
• Avoid sudden deceleration while backing
unit down a ramp to avoid tipping
backward.
Do Not drive a unit on a public street or
roadway.
Loading a Unit
Empty grass bags before attempting to load
unit on trailer or truck. Use extreme caution when
loading units on trailers or trucks. One full width
ramp that is wide enough to extend beyond the rear
tires is recommended instead of individual ramps for
each side of the unit. The lower rear section of the
tractor frame extends back between the rear wheels
and serves as a stop for tipping backward. Having
a full width ramp provides a surface for the frame
members to contact if the unit starts to tip backward.
If it is not possible to use one full width ramp, use
enough individual ramps to simulate a full width
continuous ramp.
Ramp should be long enough so that the angles
between the ramp and the ground and the ramp and
the trailer or truck Do Not exceed 15°. A steeper
angle may cause mower deck components to get
caught as the unit moves from ramp to trailer or
truck. Steeper angles may also cause the unit to tip
backward. If loading on or near a slope, position
the trailer or truck so it is on the down side of the
slope and the ramp extends up the slope. This will
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Operation
minimize the ramp angle. The trailer or truck should
be as level as possible.
Important: Do Not attempt to turn the unit
while on the ramp, you may lose control and
drive off the side.
Avoid sudden acceleration when driving up a ramp
and sudden deceleration when backing down a ramp.
Both maneuvers can cause the unit to tip backward.
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Maintenance
Maintenance
Note: Determine the left and right sides of the machine from the normal operating position.
WARNING
WARNING
While maintenance or adjustments are being
made, someone could start the engine.
Accidental starting of the engine could
seriously injure you or other bystanders.
The engine can become very hot. Touching
a hot engine can cause severe burns.
Allow the engine to cool completely before
service or making repairs around the engine
area.
Remove the key from the ignition switch,
engage parking brake, and pull the wire(s)
off the spark plug(s) before you do any
maintenance. Also push the wire(s) aside
so it does not accidentally contact the spark
plug(s).
Recommended Maintenance Schedule(s)
Maintenance Service
Maintenance Procedure
Interval
• Check the blower housing/impeller.
• Check bags.
• Clean muffler and rear frame area.
Before each use or daily
• Clean rear screen in the hood.
• Lubricate grease fittings.
• Check condition of belt.
• Clean blower.
Every 25 hours
Every 50 hours
Yearly or before storage
Periodic Maintenance
Check Bags
Service Interval: Before each use or daily
Check Blower
Housing/Impeller
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Inspect the bags for wear, tears, or damage.
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
WARNING
Under normal use the bag will deteriorate
and wear. Objects could exit through worn
bag at high speeds. Thrown objects can
cause serious injury or kill you or bystanders.
2. Inspect for wear or damage daily. Replace or
repair worn parts as needed
Note: When mowing in areas with sandy soil,
use low lift blades on the cutting deck and higher
cutting heights to minimize wear on the blower
components.
Check bags frequently for tears and holes.
Replace worn bags.
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Maintenance
Lubricate Grease Fittings
Note: See chart for service intervals.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Lubricate fittings with NGLI grade #2
multi-purpose gun grease.
Refer to the following chart for fitting locations
and lubrication schedule.
Figure 9
View From Top of Blower
Lubrication Chart
1. Spring loaded idler
4. Belt guide
Fitting
Locations
Initial
Pumps
Number of
Places
Service
Interval
2. Impeller sheave
3. Fixed idler
5. Deck sheave (reference)
1–2
1
25 Hours
1. Idler
Bushings
3. Remove the old belt.
4. Install the new belt onto the blower assembly as
Check Condition of Belt
Service Interval: Every 50 hours
All Units
5. Reinstall the belt guide removed in step 2.
6. Reinstall the blower onto the deck.
For 52 inch Units Only-Inspect Belt Position on
the Idler Arm:
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
The idler arm may become bent during use or
transport. A bent idler arm could cause the belt to
jump off of the idler and be damaged.
2. Inspect the belt for damage or wear. Replace belt
with one of the following:
Part No.
1–653438
103-0866
Deck
1. Make sure the belt cover is installed and run the
blower for one to two minutes.
52 inch–All
60 inch Lazer Z, XS, XP
SN 599,999 and Lower and
All Lazer AS
2. Shut off the deck drive, stop engine, wait
for all moving parts to stop and remove key.
Engage parking brake. Remove the belt cover
and check to make sure that the belt is riding near
the center of the flat idler on the idler arm.
103-0867
72 inch All SN 599,999
and Lower
60 inch Triton
66 inch Triton
72 inch Triton
109-1242
103-0867
109-1244
3. If the belt is not riding near the center of the
idler, remove the blower, and bend the idler arm
slightly.
4. Reinstall the blower and belt cover and repeat
steps 1 through 3 until the belt is positioned near
the center of the idler.
For 52 inch Units Only-Belt Replacement
Procedure:
1. Remove the blower from the deck.
2. Remove the belt guide on the blower (see
19
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Maintenance
Cleaning
Clean Muffler and Rear
Frame Area
Service Interval: Before each use or daily
Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
WARNING
Operating engine parts, especially the
muffler, become extremely hot. Severe burns
can occur on contact and debris, such as
leaves, grass, brush, etc. can catch fire.
• Allow engine parts, especially the muffler,
to cool before touching.
• Remove accumulated debris from muffler
and engine area.
• Install and maintain in working order a
spark arrester before using equipment
on forest-covered, grass-covered,
brush-covered unimproved land.
Clean Rear Screen In Hood
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Open hood and remove clippings that are stuck
to the screen.
Clean Blower
Service Interval: Yearly or before storage
Grass build up may cause problems with the impeller
when the unit is put back into operation.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Remove grass buildup from around the impeller
before placing it in storage.
20
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Troubleshooting
Troubleshooting
Important: It is essential that all operator safety mechanisms be connected and in proper operating
condition prior to mower use.
When a problem occurs, Do Not overlook the simple causes. For example: starting problems could be
caused by an empty fuel tank.
The following table lists some of the common causes of trouble. Do Not attempt to service or replace major
items or any items that call for special timing or adjustment procedures (such as valves, governor, etc.). Have
this work done by your Engine Service Dealer.
Note: When disconnecting electrical connectors Do Not pull on the wires to separate the connectors.
Problem
Abnormal vibration.
Possible Cause
Corrective Action
1. Install new cutting blade(s).
1. Cutting blade(s) is/are bent or unbalanced.
2. Blade mounting bolt is loose.
3. Loose blower pulley or pulley assembly.
4. Blower impeller blades are bent.
2. Tighten the blade mounting bolt.
3. Tighten the appropriate pulley.
4. Contact an Authorized Service Dealer.
Blower drive belt snaps or breaks frequently.
Excessive grass blowout from the deck.
1. Idler arm is out of alignment.
1. Correct the alignment of the idler arm.
1. Empty bags more frequently.
1. Bags are full.
2. Plugged screen in bagger hood.
2. Remove debris, leaves or grass clippings
from the screen.
3. Ground speed is too fast.
4. Blower belt is worn, loose, or broken.
5. Plugged tube or blower.
6. Conditions are dry.
3. Drive slower at full throttle.
4. Install new blower belt.
5. Locate and remove plugged debris.
6. Use lower lift blade.
Blower and tubes plug too frequently.
1. Bags are too full.
1. Empty bags more frequently
2. Ground speed is too fast.
3. Grass is too wet.
2. Drive slower at full throttle.
3. Cut grass when it is dry.
4. Grass is too long.
4. Cut grass more frequently or at higher cut
height.
5. Plugged screen in bagger hood.
5. Remove debris, leaves, or grass clippings
from the screen.
6. Blower drive belt is worn, loose, or
broken.
6. Install new belt.
7. Blower is plugged.
7. Use low lift blades in wet conditions.
Blower impeller does not spin freely.
1. Plugged blower.
1. Remove debris, leaves, or grass clippings
from the blower impeller.
2. Impeller not aligned.
1. Deck is too low.
2. Contact an Authorized Service Dealer.
Plowing leaves.
Chasing leaves.
1. Units below Serial Number
600,000: Raise the deck slightly.
Triton: Raise the front adjustable baffle.
1. Units below Serial Number 600,000:
Install an anti-blowout kit–contact
an Authorized Service Dealer.
Triton: Lower the front adjustable
baffle. Match discharge opening to Ultra
Vac intake.
1. Blowout from deck.
Blower components show signs of wear
and/or air cleaners and cooling fins are dirty.
1. Sand or dry conditions.
1. Use low lift blades on the cutting
deck and higher cutting heights.
Clean air cleaners and cooling fins
frequently.
21
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Exmark Commercial Attachments and Accessories
1Year Limited Warranty
Conditions and Products Covered
Owner’s Responsibilities
Exmark Mfg. Co. Inc. and its affiliate, Exmark Warranty
Company, pursuant to an agreement between them, jointly
warrant on the terms and conditions herein, that we will repair,
replace or adjust any part on these products and found by us
(in the exercise of our reasonable discretion) to be defective in
factory materials or workmanship for a period of one year.
If your product requires warranty service it must be returned
to an authorized Exmark service dealer within the warranty
period. This warranty extends only to commercial attachments
and accessories operated under normal conditions. You must
read the operator’s manual. You must also properly service
and maintain your Exmark product as described in the
operator’s manual or other operational instructions provided
by Exmark. Such routine maintenance, whether performed by
a dealer or by you, is at your expense.
This warranty applies to Exmark commercial attachments and
accessories sold in the U.S. or Canada. This warranty may
only be assigned or transferred to a second (or third) owner by
an authorized Exmark dealer. The warranty period commences
upon the date of the original retail purchase.
General Conditions
The sole liability of Exmark and Exmark Warranty Company
with respect to this warranty shall be repair or replacement of
defective components as set forth herein. Neither Exmark
nor Exmark Warranty Company shall be liable for any
incidental or consequential loss or damage.
Warranty Exceptions
• Bags, Belts and Tires
Warranty Period
90 days
This warranty only includes the cost of parts and labor.
Items and Conditions Not Covered
This warranty does not cover the following:
• Pickup and delivery charges to and from any authorized
Exmark Service Dealer.
• Any damage or deterioration due to normal use, wear and
tear, or exposure.
• Cost of regular maintenance service or parts, such as filters,
fuel, lubricants, tune-up parts, and adjustments.
• Any product or part which has been altered or misused or
required replacement or repair due to normal wear,
accidents, or lack of proper maintenance.
Such damages include but are not limited to:
• Expenses related to gasoline, oil or lubricants.
• Travel time, overtime, after hours time or other
extraordinary repair charges or charges relating to repairs or
replacements outside of normal business hours at the place
of business of the authorized Exmark Service Dealer.
• Rental of like or similar replacement equipment during the
period of any warranty, repair or replacement work.
• Any telephone or telegram charges or travel charges.
• Loss or damage to person or property other than that
covered by the terms of this warranty.
• Any repairs necessary due to use of parts, accessories or
supplies, including gasoline, oil or lubricants, incompatible
with the attachment or accessory or other than as
recommended in the operator's manual or other operational
instructions provided by Exmark.
• Any claims for lost revenue, lost profit or additional cost as
a result of a claim of breach of warranty.
• Attorney's fees.
No Claim of breach of warranty shall be cause for cancellation
or rescission of the contract of sale of any Exmark attachment
or accessory.
All warranty work must be performed by an authorized
Exmark Service Dealer using Exmark approved replacement
parts.
All implied warranties of merchantability (that the
product is fit for ordinary use) and fitness for use (that the
product is fit for a particular purpose) are limited to the
duration of the express warranty.
Instructions for Obtaining Warranty Service
The product must be registered with original proof of purchase
by an Exmark Service Dealer before obtaining any warranty
service.
Some states do not allow exclusions of incidental or
consequential damages, or limitations on how long an
implied warranty lasts, so the above exclusions and
limitations may not apply to you.
Contact any Exmark Service Dealer to arrange service at their
dealership. To locate a dealer convenient to you, access our
also call 402-223-6375.
This warranty gives you specific legal rights, and you may
also have other rights which vary from state to state.
If for any reason you are dissatisfied with the Service Dealer’s
analysis or with the assistance provided, contact us at:
Exmark Customer Service Department
The Exmark Warranty Company
2101 Ashland Avenue
Beatrice, NE 68310
402-223-6375 or
G4500-433_B
22
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Figure 10
This page may be copied for personal use.
1. The maximum slope you can safely operate the machine on is 15 degrees. Use the slope indicator to determine the
degree of slope of hills before operating. Do Not operate this machine on a slope greater than 15 degrees. Fold
along the appropriate line to match the recommended slope.
2. Align this edge with a vertical surface, a tree, building, fence pole, etc.
3. Example of how to compare slope with folded edge.
23
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SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONS
MID-MOUNT RIDING ACCESSORIES AND OPTIONS
CUSTOM RIDE SEAT SUSPENSION SYSTEM
FULL SUSPENSION SEAT
DECK LIFT ASSIST KIT
HITCH KIT
OPERATOR CONTROLLED DISCHARGE
ROLL OVER PROTECTION SYSTEM (ROPS)
SUN SHADE
TRASH CONTAINER
LIGHT KIT
TURF STRIPER
12V POWER PORT
ULTRA VAC COLLECTION SYSTEM
ULTRA VAC QUICK DISPOSAL SYSTEM
MICRO-MULCH SYSTEM
OUT-FRONT RIDING ACCESSORIES AND OPTIONS
CUSTOM RIDE SEAT SUSPENSION SYSTEM
DUAL-TAIL WHEEL
SNOW BLADE
SNOWBLOWER
FLOOR PAN EXTENDER
HITCH KIT
SUN SHADE
TRASH CONTAINER
LIGHT KIT
ULTRA VAC COLLECTION SYSTEM
ULTRA VAC QUICK DISPOSAL SYSTEM
WEATHER CAB
MICRO-MULCH SYSTEM
ROLL OVER PROTECTION SYSTEM (ROPS)
WALK-BEHIND ACCESSORIES AND OPTIONS
GRASS CATCHER
TURF STRIPER
STANDON
MICRO-MULCH SYSTEM
Place Model No. and Serial No.
Label Here (Included in the Literature
Pack) or Fill in Below
Date Purchased
Model No.
Serial No.
© 2009 Exmark Mfg. Co., Inc.
Industrial Park Box 808
Beatrice, NE 68310
Part No. 4500-610 Rev. A
(402) 223-6300
Fax (402) 223-5489
Printed in the USA
All Rights Reserved
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