CD42CD/CD48CD
For Serial Nos.
790,000 & Higher
Part No. 4500-370 Rev. A
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Introduction
CONGRATULATIONS on the purchase of your
Exmark Cutting Deck. 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
mower.
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 mower,
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.
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.
numbers on the product. Write the numbers in the
space provided.
3
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Contents
Introduction ........................................................... 3
Adjusting Fill Reduction System (FRS)
Caster Pivot Bearings Pre-load
4
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Safety
• Never let children or untrained people operate
Safety
Safety Alert Symbol
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.
• The owner/user can prevent and is responsible
for accidents or injuries occurring to himself or
herself, other people or property.
Preparation
This symbol means: ATTENTION! BECOME
ALERT! YOUR SAFETY IS INVOLVED!
• Do Not modify the Navigator cutting deck.
• Only use on machines approved by Exmark.
• Wear appropriate clothing including safety glasses,
substantial footwear, long trousers, and hearing
protection. Do Not operate when barefoot or
when wearing open sandals.
Figure 2
1. Safety alert symbol
CAUTION
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.
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.
DANGER: White lettering / Red background.
Indicates an imminently hazardous situation which, if
not avoided, Will result in death or serious injury.
Wear hearing protection when operating this
machine.
WARNING: Black lettering / Orange background.
Indicates a potentially hazardous situation which, if
not avoided, Could result in death or serious injury.
• 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.
CAUTION: Black lettering / Yellow background.
Indicates a potentially hazardous situation which, if
not avoided, May result in minor or moderate injury.
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.
Operation
• Operate only in daylight or good artificial light,
keeping away from holes and hidden hazards.
• Never raise deck with blades running.
Safe Operating Practices
• Stop engine, wait for all moving parts to stop,
remove key and engage parking brake:
Training
– Before checking, cleaning or working on the
mower.
• Read the tractor and cutting deck 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.
– After striking a foreign object or abnormal
vibration occurs (inspect the mower for
damage and make repairs before restarting
and operating the mower).
• Become familiar with the safe operation of the
equipment, operator controls, and safety signs.
– Before clearing blockages.
• All operators and mechanics should be trained.
The owner is responsible for training the users.
– Whenever you leave the mower.
5
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Safety
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 alert, slow down and use caution when making
turns. Look behind and to the side before
changing directions.
Maintenance and Storage
• Disengage PTO, 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.
• Check all bolts frequently to maintain proper
tightness.
• Frequently check for worn or deteriorating
components that could create a hazard.
• All replacement parts must be the same as
or equivalent to the parts supplied as original
equipment.
6
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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.
103-8425
103-8797
103-8798
1-403005
68-8340
98–5954
103-8799
103-6230
7
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Specifications
Specifications
Model Numbers
Serial Nos: 790,000 and Higher
CD42CD; CD48CD
Systems
– 48 inch Deck: 4 5/8 inches (11.7 cm)
• Cutting Height Adjustment:
Tires & Wheels
Adjusts from 1 inch (2.5 cm) to 4 inches (10.2 cm)
in 1/4 inch (.64 cm) increments.
Front Caster
Semi-Pneumatic
2
• Mulching Kit: Optional
Quantity
Tread
Smooth
Dimensions
Size
8 x 3.00–4
Ply Rating
Pressure
Overall Width:
42 inch Deck
48 inch Deck
43.2 inches (109.7 cm)
49.2 inches (125.0 cm)
Cutting Deck
• Model Numbers:
– CD42CD
Overall Length:
42 inch Deck
48 inch Deck
– CD48CD
37.2 inches (94.4 cm)
39.9 inches (101.3 cm)
• Cutting Width:
– 42 inch Deck: 42 inch (106.7 cm)
– 48 inch Deck: 48 inch (121.9 cm)
• Discharge: Center
Overall Height:
42 inch Deck
48 inch Deck
13.1 inches (33.3 cm)
13.1 inches (33.3 cm)
• Blade Size: (2 ea.)
– 42 inch Deck: 22.00 inches (55.9 cm)
– 48 inch Deck: 25.00 inches (63.5 cm)
• Deck Drive:
Curb Weight:
42 inch Deck
48 inch Deck
– Clutching belt on horizontal engine shaft.
Dual “A” section hexagon belt with spring
tensioned idler to jackshaft and blower.
295 lb (134 kg)
325 lb (147 kg)
– Heavy-duty cast iron, spiral bevel gearbox is
final drive to blades.
Torque Requirements
Bolt Location
Torque
• Deck:
Blade Mounting Bolt
85-110 ft-lb (115-149 N-m)
Full floating deck is attached to out-front support
frame. Deck design allows for bagging or
mulching.
Gearbox Mounting Bolts 30-35 ft-lb (41-47 N-m)
Gearbox Assembly Bolts
Blade Shear Bolts
50-55 ft-lb (68-75 N-m)
80-100 in-lb
(922-1130 N-cm)
• Deck Depth:
– 42 inch Deck: 4 5/8 inches (11.7 cm)
8
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Setup
Setup
WARNING
Operating a Navigator tractor without an
approved Exmark front mount attachment
increases the possibility of operator
entanglement in drive wheels or forward tip
over. Entanglement or tip-over could cause
serious injury or death.
When operating a Navigator tractor
without an approved Exmark front mount
attachment, observe the following:
Figure 3
2. Drive shaft
• Keep feet and clothing away from tires.
1. Jackshaft
• Limit operation to minimum required to
install a different front mount attachment.
4. Align deck push arm tubes to tractor push arms
and push deck rearward. Secure push arms with
lynch pins on left and right sides of the unit (see
• Minimize speed and use extreme caution.
• Only operate on a flat level surface.
• Do Not operate up or down a trailer ramp.
• Avoid sudden acceleration or deceleration.
Assemble Deck to Navigator
Important: Do Not transport Navigator tractor
without and approved Exmark front mount
attachment.
1. Stop engine, wait for all moving parts to stop and
remove key. Engage parking brake.
2. Roll the mower deck up to the Navigator tractor
with the discharge tube down, making sure the
deck springs are located above the drive wheel
and below the console on each side.
3. Raise seat and install drive shaft onto jackshaft
Figure 4
1. Slide the push arm into the deck push arm tube
2. Secure the push pin arm with lynch pin
5. Align upper portion of the PTO rubber guard to
the tabs on the front of the console and secure
with a clevis pin and hairpin on each side (see
9
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Setup
Deck Removal
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Raise mower deck up and latch with deck locking
pins per Raising the Mower Deck to the
Service Position section in Operation.
3. Remove hairpins and washers at the top of the
deck lift assist spring on each side of the unit (see
4. Remove the spring from the spring anchor.
Repeat for other side of unit.
Figure 5
1. Secure PTO guard with clevis pin and hairpin
5. Un-latch deck from raised position and slowly
lower deck to ground per Lowering the Mower
Deck to the Operation Position section in
Operation.
6. Release the deck locking pins on each side, raise
mower deck to the service position and secure
deck latch onto hook. See Raising the Deck to
the Service Position section in Operation.
Note: Deck will become heavier once springs are
removed from the anchors. Lower deck carefully.
7. Install springs onto the spring anchor pins under
the left and right consoles and secure with a
6. Remove lynch pins at front of push arms on both
7. Remove hairpin and clevis from both sides of the
8. Raise seat and disconnect drive shaft using quick
9. Pull mower deck forward to remove from unit.
Important: Do Not transport Navigator
tractor without an approved Exmark front
mount attachment.
Figure 6
1. Spring anchor pin under console
2. Secure springs with a washer and hairpin
3. Slide spring onto spring anchor pin
8. Un-latch deck from raised position, slowly lower
deck to ground and lock deck locking pins on
each side Lowering the Deck to the Operation
Position section in Operation.
10
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Operation
Product Overview
Operation
Adjusting the Cutting Height
The cutting height of the mower deck is adjusted
from 1 to 4 inches (2.5 cm to 10.2 cm) in 1/4 inch
(.63 cm) increments.
1. Stop the machine and move the speed control
levers to the neutral position.
2. Disengage the PTO.
3. Engage the park brake.
4. Stop the engine, remove the key and wait for all
moving parts to stop.
5. Move cotter pins on four deck support pins to
proper hole for height of cut desired.
Figure 7
1. Cut height adjustment
2. Caster wheel
3. Deck lift handle
Deck Raising and Lowering
Raising the Mower Deck into Service
Position
1. Stop engine, wait for all moving parts to stop and
remove key. Engage parking brake.
WARNING
Incorrectly raising or lowering a mower deck
can be dangerous. A dropped mower deck
can result in a serious injury or property
damage.
• Always raise and lower deck on flat, dry
ground, free of any obstructions.
• Firmly grasp the deck lift handle and
lower in a slow controlled manner.
• Always make sure the deck is securely
latched in the “up” or “down” position.
2. Release the deck locking pins on each side
11
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Operation
WARNING
Operating the mower deck in the raised
service position can be dangerous. Engaging
the PTO with a deck in the raised position
can result in a serious injury or property
damage.
Always lower and lock mower deck in the
operation position before engaging the PTO.
Lowering the Mower Deck to the
Operating Position
1. While firmly holding onto deck lift handle,
unhook deck latch from tractor section and slowly
Figure 8
1. Deck lift handle
2. Rotate the deck locking pin toward the rear and pull
2. Push deck locking pins inward and rotate forward
to securely lock deck in lowered position (see
outward to unlock.
3. Push the deck locking pin in and rotate toward the front
to lock.
WARNING
3. Using deck lift handle, lift deck up and latch in
“up” position (latch is located at front center of
Operating mower without locking pins
securely latched can result in the mower deck
folding up unexpectedly. The mower deck
folding up unexpectedly can cause serious
injury.
Always operate mower with locking pins
securely latched.
Adjusting Fill Reduction
System (FRS) Baffles
The Navigator’s exclusive Fill Reduction System has
been designed to allow you to reduce the amount of
clippings collected by varying degrees.
Figure 9
1. Secure the deck in
the raised position by
securing the deck latch
onto the hook.
2. Hook
Advantages include less frequent emptying of the
hopper and return of nutrients to the soil.
Possible Configurations:
1. Baffles open, standard blades – Maximum
collection
2. Baffles closed, standard blades – Partial mulching
3. Baffles closed, mulch blades – Intermediate
mulching
4. Mulch plug installed, mulch blades – Complete
mulching (requires mulch kit)
12
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Operation
To adjust the FRS baffles:
1. Stop engine, wait for all moving parts to stop and
remove key. Engage parking brake.
2. Remove hair pins and clevis pins from both sides
forward.
3. Loosen nyloc nuts on the rear studs of the FRS
baffles.
Figure 11
1. Baffles shown in closed position
2. Baffles shown in open position
Figure 10
3. Bolt
4. Washer
5. Baffles
1. PTO guard removed for 2. Loosen nyloc nuts
clarity
4. Raise deck as stated in Raising the Mower Deck
to the Service Position section.
6. Lower deck per Lowering the Mower Deck to
the Operating Position section.
5. Remove bolt and washer at the front of each
of the FRS baffles. Rotate baffles into desired
position and reinstall bolt and washer.
7. Snug nyloc nuts on the rear studs of the FRS
baffles. These nuts may be left slightly loose if
frequent baffle adjustment is anticipated.
8. Reinstall PTO guard using clevis pins and hair
pins removed in step 2.
13
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Maintenance
Maintenance
Note: Determine the left and right sides of the machine from the normal operating position.
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.
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
• Change oil in all three gearbox housings. Add oil as needed until level with oil drain plug.
After the first 50 hours
• Check the mower blades.
• Check for loose hardware.
• Grease the front caster wheel hub.
• Clean the grass and debris build-up from the cutting deck.
• Clean the grass build-up from under the deck.
Before each use or daily
• Check the condition of the belts.
• Grease the drive shaft.
Every 40 hours
Every 100 hours
Yearly
• Change oil in all three gearbox housings. Add oil as needed until level with oil drain plug.
thereafter
• Grease the deck flip-up.
• Grease the pivot arm tubes.
• Grease the front caster pivots.
• Lubricate the caster wheel hubs.
Periodic Maintenance
3. Inspect blades and sharpen or replace as required.
4. To remove blade, use a block of wood or locking
pliers to hold blade in place and remove the
1/2-20 x 2 1/4 inch blade bolt that secures the
blade and blade driver.
Check Mower Blades
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
5. Re-install the blade driver (with new blades) by
using a block of wood or locking pliers to hold
the blade in place and torque the blade bolts to
85-110 ft-lb (115-149 N-m).
2. Lift deck and secure in raised position as stated
in section Raising the Mower Deck to the
Service Position.
14
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Maintenance
Note: Blade driver flats must be aligned with the
flats on the shaft when installing blade on the
mower deck.
Check for Loose Hardware
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
6. Lower the mower deck to the operation position
(see section Lowering the Mower Deck to the
Operation Position).
2. Visually inspect machine for any loose hardware
or any other possible problem. Tighten hardware
or correct the problem before operating.
WARNING
Operating a mower deck with loose or
weakened blade bolts can be dangerous. A
loose or weakened blade bolt could allow a
blade rotating at a high speed to come out
from under the deck, causing serious injury
or property damage.
Check Tire Pressures
Service Interval: Every 40 hours
The front caster tires are semi-pneumatic and Do
Not need to be inflated.
Note: Do Not add any type of tire liner or foam
fill material to the tires. Excessive loads created by
foam filled tires may cause failures to the hydro drive
system, frame, and other components. Foam filling
tires will void the warranty.
• Replace the blade bolt after striking a
foreign object.
• Use only genuine Exmark replacement
parts.
• Do Not lubricate the threads of the bolt
or spindle before assembly.
Change Gearbox Oil
Service Interval: After the first 50 hours
• Torque the blade bolt to 85-110 ft-lb
(115-149 N-m).
Every 100 hours thereafter
• Torque the shear bolts to 80-100 in-lb
(922-1130 N-cm).
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Place unit on a level surface.
3. Remove the gearbox and drive shaft assembly
from the mower deck. Retain hardware for re-use.
4. Remove the large oil drain plug on the front of
each of the three gearbox sections and drain oil
Figure 12
1. 1/2-20 x 2 1/4 blade bolt— torque to 85-110 ft-lb
(115-149 N-m).
2. Washer
3. Shear bolts—torque to 80–100 in-lb (922-1130 N-cm)
4. Blade driver
5. 1/4-20 nyloc nuts
Figure 13
1. Small magnetic plugs
(front and back)
3. Small magnetic plug
(front only)
2. Large oil drain/fill plug
15
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Maintenance
5. Remove small magnetic plugs and wipe away any
material accumulated on the plugs.
6. Apply a Teflon pipe sealant to all small magnetic
plugs and re-install into the gearbox.
7. Re-install the gearbox and drive shaft assembly
to the mower deck.
8. Fill gearbox with Mobil SHC (synthetic) 75W-90
gear lube oil until level with oil drain/fill plug.
Each of the gearbox sections must be filled
separately.
Note: Mower deck should remain level to the
ground when filling gearbox with oil. Do Not fill
gearbox with deck raised in the service position.
9. Apply a Teflon pipe sealant to the 3 large oil plugs
and re-install into the gearbox.
3. Lubricate caster pivots once a year. Remove hex
plug and cap. Thread grease zerk in hole and
pump with grease until it oozes out around top
bearing. Remove grease zerk and thread plug back
in. Place cap back on.
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.
Lubricate Caster Wheel Hubs
Service Interval: Yearly
Refer to the following chart for fitting locations
and lubrication schedule.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
Lubrication Chart
Fitting
Locations
Initial
Pumps
Number of
Places
Service
Interval
1. Drive
Shaft
1
1
3
40 Hours
2. Front
Caster
2
8 Hours
Wheel Hub
1
1
4
2
2
100 Hours
100 Hours
*Yearly
3. Deck
Flip-Up
Figure 14
4. Push
Arm Tubes
1. Seal guard
2. Spacer nut with wrench
flats
5. Front
Caster
Pivots
*0
2. Remove caster wheel from caster forks.
3. Remove seal guards from the wheel hub.
* See step 3 for special lubrication instructions on
the front caster pivots and the Lubricate Caster
Wheel Hubs section for special lubrication
instructions on the front casters wheel hubs.
4. Remove one of the spacer nuts from the axle
assembly in the caster wheel. Note that thread
locking adhesive has been applied to lock the
16
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Maintenance
spacer nuts to the axle. Remove the axle (with
the other spacer nut still assembled to it) from
the wheel assembly.
Thread Locking Adhesives
Thread locking adhesives such as “Loctite 242”
or “Fel-Pro, Pro-Lock Nut Type” are used on the
following fasteners:
5. Pry out seals, and inspect bearings for wear or
damage and replace if necessary.
Caster wheel spacer nuts.
6. Pack the bearings with a NGLI grade #1
multi-purpose grease.
7. Insert one bearing, one new seal into the wheel.
Note: Seals (Exmark PN 103-0063) must be
replaced.
8. If the axle assembly has had both spacer nuts
removed (or broken loose), apply a thread locking
adhesive to one spacer nut and thread onto the
axle with the wrench flats facing outward. Do
Not thread spacer nut all of the way onto the end
of the axle. Leave approximately 1/8 inch (3 mm)
from the outer surface of the spacer nut to the
end of the axle inside the nut.
9. Insert the assembled nut and axle into the wheel
on the side of the wheel with the new seal and
bearing.
10. With the open end of the wheel facing up, fill
the area inside the wheel around the axle full of
NGLI grade #1 multi-purpose grease.
11. Insert the second bearing and new seal into the
wheel.
12. Apply a thread locking adhesive to the 2nd spacer
nut and thread onto the axle with the wrench flats
facing outward.
13. Torque the nut to 75-80 in-lb (8-9 N-m), loosen,
then re-torque to 20-25 in-lb (2-3 N-m). Make
sure axle does not extend beyond either nut.
14. Reinstall the seal guards over the wheel hub and
insert wheel into caster fork. Reinstall caster bolt
and tighten nut fully.
Important: To prevent seal and bearing damage,
check the bearing adjustment often. Spin the
caster tire. The tire should not spin freely
(more than 1 or 2 revolutions) or have any side
play. If the wheel spins freely, adjust torque on
spacer nut until there is a slight amount of drag.
Reapply thread locking adhesive.
17
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Maintenance
Adjustments
Note: Disengage PTO, shut off engine, wait for
all moving parts to stop, engage parking brake, and
remove key before servicing, cleaning, or making any
adjustments to the unit.
Deck Leveling
1. Position mower on a flat surface.
2. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
Figure 16
1. Spring disc washers
3. Inflate drive tires to 15 psi (103 kPa).
4. Verify all hairpins are in the 3 inch deck height
holes with the spacers under the hair pins
Deck Locking Pin Stop
Adjustment
1. Slide deck locking pins in on both sides and rotate
to lock the deck in the “operation” position.
2. Loosen the jam nut and turn the stop screw
clockwise until the locking pins is tight and cannot
Figure 15
Right Hand Side Shown
1. Hairpin
2. Spacer
3. Deck support pin
5. Shorten/lengthen each deck support pin to obtain
blade tip height of 3 inches at the front of the
deck and 3 1/4 inches at the rear of the deck.
Figure 17
1. Rotate stop screw clockwise until locking pin is tight,
then back off 1/2 turn.
2. Loosen jam nut
Caster Pivot Bearings
Pre-load Adjustment
3. Loosen the stop screw counter clockwise 1/2
turn and tighten the jam nut
Remove dust cap from caster and tighten nyloc nut
until washers are flat. Back the nyloc off 1/4 of a
turn to properly set the pre-load on the bearings.
4. Test the locking pin to make sure it slides freely.
Readjust if necessary.
Note: If disassembled, make sure the spring washers
18
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Maintenance
Cleaning
Clean Debris From Cutting
Deck
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Clean off any oil, debris, or grass build-up on the
cutting deck, especially under deck belt shields.
Clean Grass Build-Up Under
Deck
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Raise mower deck and secure in latched position
(see Raising the Mower Deck to the Service
Position section in Operation).
3. Clean out any grass build-up from underside of
deck and in discharge chute.
4. Lower deck to cutting position and lock deck
locking pins (see Lowering the Mower Deck to
the Operation Position section in Operation.
19
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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 of adjustments 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
Uneven cutting height.
Possible Cause
1. Blade(s) not sharp.
Corrective Action
1. Sharpen the blade(s).
2. Install new cutting blade(s).
3. Level mower deck from side-to-side and
front-to-rear.
2. Cutting blade(s) is/are bent.
3. Mower deck is not level.
4. Underside of mower is dirty.
5. Tire pressure in drive tires not correct.
6. Spacers are in wrong location.
4. Clean the underside of the mower.
5. Adjust tire pressure in the drive tires.
6. Position spacers under hairpins.
7. Tips of adjacent blades are at an uneven
cutting height. Blades tips should be even
within 3/16 inch which is approximately
one blade thickness.
7. Replace blades, spindles and (or) check
for damage to mower deck.
Abnormal vibration.
Blades Do Not rotate.
1. Install new cutting blade(s).
1. Cutting blade(s) is/are bent or unbalanced.
2. Blade mounting bolt is loose.
3. Engine mounting bolts are loose.
4. Engine pulley is damaged.
5. Blade spindle is bent.
2. Tighten the blade mounting bolt.
3. Tighten the engine mounting bolts.
4. Contact an Authorized Service Dealer.
5. Contact an Authorized Service Dealer.
1. PTO belt is worn, loose, or broken.
1. Check belt tension or replace belt
2. Connect PTO shaft.
3. Check belt for damage. Install belt and
check adjusting shafts and belt guides for
correct position.
2. PTO shaft is not connected.
3. PTO belt is off pulley.
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Exmark Commercial Turf Equipment
2Year Limited Warranty
If for any reason you are dissatisfied with the Service Dealer’s
analysis or with the assistance provided, contact us at:
Conditions and Products Covered
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 two years.
Exmark Customer Service Department
The Exmark Warranty Company
2101 Ashland Avenue
Beatrice, NE 68310
402-223-6375 or
This warranty applies to Exmark commercial turf equipment
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.
Owner’s Responsibilities
The Exmark turf equipment, including any defective part,
must be returned to an authorized Exmark service dealer
within the warranty period. This warranty extends only to turf
equipment 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. Such routine maintenance, whether performed by a
dealer or by you, is at your expense.
Warranty Exceptions
• Bags, Belts and Tires
• Battery
Warranty Period
90 days
1 Year Prorated
2 years*
• Engine
* The Engine warranty is covered by the engine manufacturer.
Please refer to the engine manufacturer’s warranty statement
that is included in the literature packet.
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.
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.
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 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.
• Any repairs necessary due to use of parts, accessories or
supplies, including gasoline, oil or lubricants, incompatible
with the turf equipment 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.
There are no other express warranties except for engine and
special emission system coverage.
No Claim of breach of warranty shall be cause for cancellation
or rescission of the contract of sale of any Exmark mower.
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.
G4500-425
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Service Record
Date:
Description of Work Done:
Service Done By:
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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. 4500-370 Rev. A
(402) 223-6300
Fax (402) 223-5489
Printed in the USA
All Rights Reserved
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