Exmark Laser Z XP, Laser Z XP LZ27DD604, Laser Z XPLZ27DD724, Laser Z XP LZ31DG604, Laser Z XP LZ31DG724 Operator's Manual
For Exmark Mower Parts Call 606-678-9623 or 606-561-4983
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POTENTIAL HAZARD
♦ This product is a piece of power equipment.
WHAT CAN HAPPEN
♦ Failure to follow safe operating practices can result in serious
operator injury or even death.
HOW TO AVOID THE HAZARD
♦ Keep all shields, guards and safety devices (especially the grass
discharge system) in place and in proper working condition.
♦ Stop engine and remove spark plug wire(s) or remove key and
wait for all moving parts to stop before adjusting, servicing, or
performing maintenance.
♦ If mower deck becomes clogged, stop engine and remove spark
plug wire(s) or remove key and wait for all moving parts to stop
before cleaning blockage.
♦ Keep hands, feet and clothing away from power driven parts.
♦ Keep others off mower.
WARNING
WARNING
POTENTIAL HAZARD
♦ Gasoline is harmful or fatal if swallowed. Long-term exposure to
vapors has caused cancer in laboratory animals.
WHAT CAN HAPPEN
♦ Failure to use caution may cause serious injury or illness.
HOW TO AVOID THE HAZARD
♦ Avoid prolonged breathing of vapors.
♦ Keep face away from nozzle and gas tank/container opening.
♦ Keep away from eyes and skin.
♦ Never siphon by mouth.
IMPORTANT
When the mower is used or operated on any California forest, brush or grass covered land, a working
spark arrester must be attached to the muffler. If not, the operator is violating state law, Section 4442
Public Resource Code. To acquire a spark arrester for your unit, see your Engine Service Dealer.
Exmark reserves the right to make changes or add improvements to its products at any time
without incurring any obligation to make such changes to products manufactured previously.
Exmark, or its distributors and dealers, accept no responsibility for variations which may be
evident in the actual specifications of its products and the statements and descriptions
contained in this publication.
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EXMARK PARTS PLUS
PROGRAM
EFFECTIVE DATE: September 1, 1995
Program
If your Exmark dealer does not have the Exmark part in stock,
Exmark will get the parts to the dealer the next business day or
the part will be FREE* Guaranteed!!
How the Program Works
1. If dealer does not have part in stock for a "down" unit at
the time of request by customer, the dealer contacts his
distributor by 1:00 p.m., local time, and requests Exmark
Parts Plus
shipment of six (6) line items or less.
2. Distributor ships part(s) to dealer or customer, as
requested by dealer, same day, overnight UPS
Distributor bills dealer for part and freight charges where
applicable.
3. If distributor does not have the part(s) in stock to satisfy Exmark Parts Plus
3:00 p.m., central time, with an Exmark Parts Plus
order of six (6) line items or less.
order, he contacts Exmark by
4. If order is received by 3:00 p.m. central time, Exmark ships part(s) direct to dealer or customer, as
requested by distributor, same day, overnight UPS, Exmark bills the distributor for parts and shipping
charges, where applicable.
5. The customer pays for the part and freight
if it is shipped under the Exmark Parts Plus
and if it arrives in
accordance to the program.
6. Who pays for the part and freight
if it fails to arrive overnight in accordance to the program?
A. Under any circumstance the customer does not pay.
B. If the part does not arrive overnight due to:
1. The dealer not submitting the Exmark Parts Plus
order to his Exmark distributor by 1:00 p.m., the dealer
pays for the part and freight.
2. The Distributor being unable to ship the part the same day or not submitting the Exmark Parts Plus
to Exmark by 3:00 p.m., central time, the Distributor pays for the part and freight.
3. Exmark being unable to ship the part and the Exmark parts order is received by 3:00 p.m., central time,
Exmark pays for the part and freight.
4. If the part does not arrive overnight due to the shipper (UPS), the shipper pays for the freight and Exmark
pays for the part.
The following restrictions apply -- The Exmark Parts Plus
Program is available only through participating
Exmark Dealers and applies only to orders submitted on this program Monday through Thursday. Parts Plus
service is available only in the 48 contiguous United States. UPS has initiated a Saturday delivery program to
many areas of the continental United States and can be requested for an overnight shipment on Friday to be
delivered Saturday. The next day air charge, plus the Saturday delivery fee will be the responsibility of the
purchaser. Exmark Mfg. will assume no responsibility for Saturday delivery shipments. To qualify, all Exmark
Parts Plus
less. Exclusions from the Exmark Parts Plus
orders must be received by Exmark by 3:00 p.m., central time. Orders must be six (6) line items or
Program are: Any wholegood or accessory in its entirety, engines
and engine replacement parts, 5-speed Peerless transmissions and 5-speed transaxles, hydraulic or hydrostatic
wheel motors, cutter decks and engine decks or any item exceeding United Parcel Service size and weight
restrictions.
order
Due to UPS restrictions, aerosol spray paint is considered a hazardous material and cannot be shipped via UPS
next day or Second Day Air.
Exmark Manufacturing stocks a limited supply of parts for transaxles, pumps and wheel motors. These parts can
be ordered for Next Day Air shipment but will not be guaranteed per the Parts Plus Program
ii
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CONGRATULATIONS on the purchase of your Exmark Mower. This product has
been carefully designed and manufactured to give you a maximum amount of
dependability and years of trouble-free operation.
OPERATOR'S MANUAL
This manual contains assembly, operating, maintenance, adjustment and safety
instructions for your Exmark mower.
BEFORE OPERATING YOUR MOWER,
CAREFULLY READ THIS MANUAL IN ITS ENTIRETY.
By following the operating, maintenance and safety instructions, you will prolong
the life of your mower, maintain its maximum efficiency and promote safe operation.
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.
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TABLE OF CONTENTS
1. SAFETY PAGE
1.1 Safety Alert Symbol.............................................................................. 1
1.2 Training ................................................................................................ 1
1.3 Preparation........................................................................................ 1-3
1.4 Operation........................................................................................... 4-5
1.5 Maintenance & Storage ..................................................................... 5-7
1.6 Safety Signs....................................................................................7-10
2. SPECIFICATIONS
2.1 Model Numbers.................................................................................. 10
2.2 Engine................................................................................................ 10
2.3 Fuel System...................................................................................10-11
2.4 Electrical System................................................................................ 11
2.5 Cooling System .................................................................................. 11
2.6 Operator Controls............................................................................... 11
2.7 Seat............................................................................................... 11-12
2.8 Hydrostatic Ground Drive System....................................................... 12
2.9 Tires & Wheels................................................................................... 12
2.10 Cutting Deck....................................................................................... 12
2.11 Dimensions......................................................................................... 13
2.12 Torque Requirements ........................................................................ 13
3. ASSEMBLY INSTRUCTIONS
3.1 Uncrate Mower................................................................................... 13
3.2 Service Battery.............................................................................. 13-15
3.3 Install Drive Wheels............................................................................ 15
3.4 Check Tire Pressure........................................................................... 15
3.5 Install
3.6 Install
3.7 Install Motion Control Levers ......................................................... 15-16
3.8 Position Discharge Chute ................................................................... 16
3.9 Service Engine ................................................................................... 16
3.10 Service Engine Coolant ................................................................. 16-17
3.11 Service Hydraulic Oil.......................................................................... 17
Seat ......................................................................................... 15
Foot Lift Assist ......................................................................... 15
4. OPERATION INSTRUCTIONS
4.1 Controls......................................................................................... 17-20
4.2 Pre-Start............................................................................................. 20
4.3 Mowing.......................................................................................... 21-22
4.4 Transporting.................................................................................. 22-23
5. MAINTENANCE & ADJUSTMENTS
5.1 Periodic Maintenance.................................................................... 23-34
5.2 Adjustments................................................................................... 34-40
6. WASTE DISPOSAL
6.1 Motor Oil Disposal.............................................................................. 40
6.2 Engine Coolant Disposal..................................................................... 41
6.3 Mercury Switch Disposal..................................................................... 41
6.4 Battery Disposal................................................................................. 42
7. TROUBLE SHOOTING.....................................................................
8. ELECTRICAL DIAGRAMS
9. HYDRAULIC DIAGRAM
10
WARRANTY
.
.......................................................................................... 50-51
.................................................................... 45-48
............................................................................. 49
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1. SAFETY
1.1 SAFETY ALERT SYMBOL
THIS SAFETY ALERT SYMBOL
MACHINE TO IDENTIFY IMPORTANT SAFETY MESSAGES WHICH MUST BE
FOLLOWED TO AVOID ACCIDENTS. THIS
IS USED BOTH IN THIS MANUAL AND ON THE
ALERT
SYMBOL MEANS:
ATTENTION! BECOME ALERT!
YOUR SAFETY IS INVOLVED!
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.
When used with the word DANGER: IT INDICATES AN IMMINENTLY HAZARDOUS
SITUATION WHICH, IF NOT AVOIDED, WILL RESULT IN DEATH OR SERIOUS
INJURY.
When used with the word WARNING: IT INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD RESULT IN DEATH OR SERIOUS INJURY.
When used with the word CAUTION: IT INDICATES A POTENTIALLY HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, MAY RESULT IN MINOR OR MODERATE INJURY.
1.2 TRAINING
1.2.1 Regard the Exmark mower as a piece of power equipment and teach this regard
to all who operate this unit.
1.2.2 Read the instructions carefully. Familiarize yourself with the controls and the
proper use of the equipment. If the operator(s) or mechanic(s) can not read
English it is the owner’s responsibility to explain this material to them.
1.2.3 Do not allow operation of this machine by untrained personnel. Never allow
children, teenagers, or people unfamiliar with these instructions to use the
mower. Local regulations may restrict the age of the operator.
1.2.4 Avoid mowing while people, especially children, or pets, are nearby. Keep in
mind that the operator or user is responsible for accidents or hazards occurring
to other people or their property.
1.3 PREPARATION
1.3.1 Evaluate the terrain to determine what accessories and attachments are needed
to properly and safely perform the job. Only use accessories and attachments
approved by Exmark.
1.3.2 The use of personal protective equipment, such as (but not limited to) protection
for the eyes, ears, feet and head is recommended.
POTENTIAL HAZARD
♦ This machine produces sound levels in excess of 85
dBA at the operator’s ear when in operation.
WHAT CAN HAPPEN
♦ Exposure to sound levels of 85 dBA or above for
extended periods of time can cause hearing loss.
HOW TO AVOID THE HAZARD
♦ Wear hearing protection when operating this machine.
CAUTION
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1.3.3 W hile mowing, always wear substantial footwear and long trousers. Do not
operate equipment when barefoot or when wearing open sandals.
1.3.4 Thoroughly inspect the area where the equipment is to be used and remove all
stones, sticks, wires, bones and other foreign objects which may damage the
equipment or cause personal injury to the operator or bystanders.
POTENTIAL HAZARD
♦ Engine exhaust contains carbon monoxide, which is
an odorless deadly poison.
WHAT CAN HAPPEN
♦ Carbon monoxide can kill you.
HOW TO AVOID THE HAZARD
♦ Do not run engine indoors or in a small confined area
where dangerous carbon monoxide fumes can collect.
POTENTIAL HAZARD
♦ In certain conditions gasoline and diesel fuel are
flammable and can be highly explosive.
WHAT CAN HAPPEN
♦ A fire or explosion from gasoline or diesel fuel can
burn you, others, and cause property damage.
WARNING
DANGER
HOW TO AVOID THE HAZARD
♦ DO NOT smoke while refueling, and stay away from an
open flame or where fuel fumes may be ignited by
spark.
♦ Refuel only in a well ventilated area, or refuel outdoors.
♦ Store fuel in an approved container and keep it out of
the reach of children.
♦ Add fuel before starting the engine. Never remove the
cap of the fuel tank or add fuel when engine is running
or when the engine is hot.
♦ Never fill the fuel tank so that the fuel level rises above
a level that is 1/2” below the bottom of the filler neck to
allow for fuel expansion and prevent fuel spillage.
♦ If fuel is spilled, DO NOT attempt to start the engine.
Move away from the area of the spill and avoid
creating any source of ignition until fuel vapors have
dissipated.
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POTENTIAL HAZARD
♦ In certain conditions gasoline is extremely flammable
and highly explosive.
WHAT CAN HAPPEN
♦ A static charge can ignite gasoline vapors. A fire or
explosion from gasoline can burn you, others, and
cause property damage.
HOW TO AVOID THE HAZARD
♦ Purchase and store gasoline only in an approved
container.
♦ Always place gasoline containers on the ground away
from your vehicle before filling.
♦ Do not fill gasoline containers inside a vehicle or on a
truck or trailer bed because interior carpets or plastic
truck bed liners may insulate the container and slow
the loss of any static charge.
♦ When practical, remove gas-powered equipment from
the truck or trailer and refuel the equipment with its
wheels on the ground.
♦ If this is not possible, then refuel such equipment on a
truck or trailer from a portable container, rather than
from a gasoline dispenser nozzle.
♦ If a gasoline dispenser nozzle must be used, keep the
nozzle in contact with the rim of the fuel tank or
container opening at all times until fueling is complete.
DANGER
POTENTIAL HAZARD
♦ Gasoline vapor can collect inside enclosed trailers and
may be ignited by electrical sparks or hot
engine/exhaust components.
WHAT CAN HAPPEN
♦ Explosion and fire may occur, resulting in property
damage, personal injury and/or death.
HOW TO AVOID THE HAZARD
♦ Provide adequate ventilation of any enclosed trailer to
prevent build up of gasoline vapors, especially at floor
level.
♦ Never refuel equipment inside an enclosed trailer.
♦ Be sure all fuel tanks and gasoline storage containers
have proper caps installed to prevent spillage and
minimize vapor escaping into the trailer.
♦ Do not place any equipment that is leaking gasoline in
an enclosed trailer.
WARNING
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1.4 OPERATION
Although hazard control and accident prevention are partially dependent upon the
design and configuration of the equipment, these factors are also dependent upon
the awareness, concern, prudence and proper training of the personnel involved in
the operation, transport, maintenance and storage of the equipment. It is essential
that all Operator Safety Mechanisms be connected and in operating condition prior
to use for mowing.
WARNING
POTENTIAL HAZARD
♦ Operating engine parts, especially the muffler, become
extremely hot.
WHAT CAN HAPPEN
♦ Severe burns can occur on contact.
♦ Debris, such as leaves, grass, brush, etc. can catch fire.
HOW TO AVOID THE HAZARD
♦ 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, brushcovered unimproved land.
WARNING
POTENTIAL HAZARD
♦ Hands, feet, hair, clothing, or accessories can become
entangled in rotating parts.
WHAT CAN HAPPEN
♦ Contact with rotating parts can cause traumatic amputation
or severe lacerations.
HOW TO AVOID THE HAZARD
♦ Do not operate the machine without guards , shields and
safety devices in place and working.
♦ Keep hands, feet, hair, jewelry, or clothing away from
rotating parts.
1.4.1 Give complete, undivided attention to the job at hand.
1.4.2 Mow only in daylight or good artificial light, keeping away from holes and hidden
hazards. NEVER carry passengers.
DO NOT operate the mower when children or others are in the area.
1.4.3 When feasible, avoid operating the equipment in wet grass.
1.4.4 Use EXTREME caution when mowing and/or turning on slopes as loss of traction
and/or tip-over could occur. Drive slower on slopes. Progressively greater care
is needed as the slope increases. DO NOT mow slopes greater than 15
degrees. Watch for ditches, holes, rocks, dips, and rises that change the
operating angle. Keep away from drop-offs and steep banks. Avoid sudden
starts when mowing uphill - mower may tip backwards. Loss of traction may
occur going downhill - weight transfer to the front wheels may cause drive wheels
to slip and cause loss of braking. DO NOT mow slopes when grass is wet slippery conditions affect steering and reduce traction and braking. The operator
is responsible for safe operation on slopes. See inside the back cover to
determine the approximate slope angle of the area to be mowed.
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1.4.5 Use EXTREME caution when backing up. LOOK BEHIND YOU!
1.4.6 Stop the blades when crossing surfaces other than grass and when transporting
the mower to and from the area to be mowed.
1.4.7 Never operate the mower with damaged guards, shields, or covers. Always have
safety shields, guards, switches, and other devices in place and in proper
working condition.
1.4.8 DO NOT change the engine governor settings or overspeed the engine. Operating
an engine at excessive speed may increase the hazard of personal injury.
1.4.9 Disengage blade drive before starting engine.
1.4.10 Start
1.4.11 Keep hands, feet and clothing away from rotating parts while the mower is being
1.4.12 Stop the engine and remove ignition key:
1.4.13 The fuel system is provided with a shut-off valve. Shut off the fuel:
1.4.14 This mower was designed for one operator only. Keep all others away from
1.4.15 DO NOT mow without the discharge chute in place.
1.4.16 Be Aware of the mower discharge direction and do not point it at anyone.
1.4.17 DO NOT operate the mower under the influence of alcohol or drugs.
1.4.18 Use care when approaching blind corners, shrubs, trees or other objects that
1.4.19 If jump starting is required:
the engine carefully with feet well away from the blades.
operated.
• Before checking, cleaning or working on the mower.
• After striking a foreign object (inspect the mower for damage and make
repairs before restarting and operating the mower).
• Before clearing blockages.
• Whenever you leave the mower.
Stop the engine:
• Befo re refueling.
• Before dumping the grass catcher.
• When the machine will not be used for a few days.
• During transport to and from the job.
• When parked inside a building.
mower during operation.
may obscure vision.
a) connect the positive (+) power cable from the positive post on the booster
battery to the positive post on the battery.
b) connect the negative or ground cable (-) from the negative post on the
booster battery to the engine block as far away from the battery as possible.
c) disconnect battery cables in the reverse order after starting.
1.5 MAINTENANCE AND STORAGE
1.5.1 For engine maintenance, follow the engine manufacturer’s recommendations
precisely as stated in the engine manual.
1.5.2 Disconnect the battery cable from the negative battery post when the unit will be
allowed to sit for more than 30 days without use.
1.5.3 Allowing batteries to stand for an extended period of time without recharging
them will result in reduced performance and service life. To preserve optimum
battery performance and life, recharge batteries in storage when the open circuit
voltage drops to 12.4 volts.
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Note: To prevent damage due to freezing, battery should be fully charged before
putting away for winter storage.
1.5.4 Keep engine and engine area free from accumulation of grass, leaves, excessive
grease or oil and other debris which can accumulate in these areas. These
materials can become flammable and may result in a fire.
1.5.5 Store fuel in a container specifically designed for this purpose in a cool, dry place.
1.5.6 Keep the mower and fuel container in locked storage to prevent children from
playing or tampering with them.
1.5.7 Gasoline powered equipment or fuel containers should not be stored in a basement
or any enclosed area where open pilot lights or heat appliances are present.
1.5.8 Maximum mowing results and safety can only be achieved if the mower is
properly maintained and operated correctly.
1.5.9 Check all bolts frequently to maintain proper tightness.
1.5.10 Keep all guards, shields and all safety devices in place and in safe working
condition.
1.5.11 Frequently check for worn or deteriorating components that could create a hazard.
1.5.12 All replacement parts must be the same as or equivalent to the parts supplied as
original equipment.
POTENTIAL HAZARD
♦ Hydraulic fluid escaping under pressure can penetrate
skin and cause injury.
WHAT CAN HAPPEN
♦ Fluid accidentally injected into the skin must be
surgically removed within a few hours by a doctor
familiar with this form of injury or gangrene may result.
HOW TO AVOID THE HAZARD
♦ Make sure all hydraulic fluid hoses and lines are in
good condition and all hydraulic connections and
fittings are tight before applying pressure to hydraulic
system.
♦ Keep body and hands away from pinhole leaks or
nozzles that eject high pressure hydraulic fluid.
♦ Use cardboard or paper and not hands to find
hydraulic leaks.
♦ Safely relieve all pressure in the hydraulic system, by
placing the motion control levers in neutral and
shutting off the engine, before performing any work on
the hydraulic system.
WARNING
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POTENTIAL HAZARD
♦ Engine coolant is hot and pressurized.
♦ Radiator and surrounding parts are hot.
WHAT CAN HAPPEN
♦ Spray or steam from hot, pressurized liquid in the
engine cooling system or touching a hot radiator may
cause severe burns.
HOW TO AVOID THE HAZARD
♦ Allow the engine to cool completely before removing
the radiator cap or servicing any component of the
cooling system.
POTENTIAL HAZARD
♦ Engine coolant is toxic.
WHAT CAN HAPPEN
♦ Swallowing coolant can cause poisoning.
HOW TO AVOID THE HAZARD
♦ Do not swallow
♦ Keep out of reach of children and pets.
WARNING
CAUTION
1.6 SAFETY SIGNS
1.6.1 Keep all safety signs legible. Remove all grease, dirt and debris from safety
signs and instructional labels.
1.6.2 Safety signs must be replaced if they are missing or illegible.
1.6.3 When new components are installed, be sure that current safety signs are affixed
to the replaced components.
1.6.4 New safety signs may be obtained from your authorized Exmark equipment
dealer or distributor or from Exmark Mfg. Co. Inc.
1.6.5 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.
1.6.6 Familiarize yourself with the following safety signs and instruction labels. They
are critical to the safe operation of your Exmark commercial mower.
PART NO. 103-1592
LOCATION: Top of Right Engine Baffle
PART NO. 1-513748
LOCATIONS: Bottom Side of
Floorpan
PART NO. 1-323540
LOCATION: Left Rear Corner Top
of Mower Deck
PART NO. 1-513742
LOCATION: Top of Mower Deck Belt
Shields, Left and Right Sides
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31 HP Daihatsu Gas U nits Only
PART NO. 1-303293
LOCATION: On Top of Fuel Tanks
- 7 -
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31 HP Daihatsu Gas U nits Only
PART NO. 103-0166
LOCATION: LH Side of Console
PART NO. 65-2690
LOCATION: Top of Radiator Trim
PART NO. 1-643401
LOCATION: On Tilt Switch
Plate, LH & RH Sides
27 HP Daihatsu Diesel Units Only
PART NO. 103-1636
LOCATION: Top of Fuel Tanks
PART NO. 103-0210
LOCATION: RH Side of Console
PART NO. 103-1593
LOCATION: Bottom Side of Floorpan
PART NO. 103-1596
LOCATION: Center Inside of the
Rear Bumper
PART NO. 1-633313
LOCATION: RH Side on Top
Front Mower Deck
PART NO. 103-1077
LOCATION: Top LH Side of Mower Deck
next to Stiffener
- 8 -
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PART NO. 1-403005
LOCATION: Left and Right Corners
of Mower Deck
PART NO. 1-633345
LOCATION: RH Side of Cutting
Height Adjustment Plate
PART NO. 1-643253
LOCATION: LH and RH Sides of Radiator Mount Plate
PART NO. 98-5954
LOCATION: - Under LH and RH Belt Shields
- Radiator Fan Pump Idler Arm
PART NO. 1-633706
LOCATION: LH Side of Cutting
Height Adjustment Plate
PART NO. 103-0368
LOCATION: - Rubber Heat Shield Flap behind Seat
PART NO. 1-303508
LOCATION: RH Side on Top Rear of
Mower Deck
27 HP Daihatsu Diesel Units Only
PART NO. 103-1353
LOCATION: LH Side of Console
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PART NO. 1-643222
LOCATION: Left of Center on Mower
PART NO. 1-523552
LOCATION: Top of Hydraulic
Reservoir
Deck, Under Floor Pan
PART NO. 1-633922
LOCATION: Front Center on Top
of Mower Deck
27 HP Daihatsu Diesel Units Only
PART NO. 103-1505
LOCATION: Left of Center on
Front of Console
PART NO. 103-0245
LOCATION: Top of console
2. SPECIFICATIONS
2.1 MODEL NUMBER:
Serial Nos. 260,000 and Higher
LZ27DD604; LZ27DD724; LZ31DG604; LZ31DG724
2.2 ENGINE:
2.2.1 Engine Specifications: See your Engine Owner’s Manual
2.2.2 RPM: 27 HP Daihatsu Diesel
Full Speed: 3850 RPM (No Load) Idle: 1750 RPM
31 HP Daihatsu Gas
Full Speed: 3850 RPM (No Load) Idle:1600 RPM
31 HP Daihatsu Gas U nits Only
PART NO. 103-1506
LOCATION: Left of Center on
Front of Console
PART NO. 103-1365
LOCATION: Right of Center on
Front of Console
2.3 FUEL SYSTEM
2.3.1 Capacity: 11.0 gal. (2 L.)
2.3.2 Type of Fuel:
27 HP Daihatsu Diesel: Diesel fuel, 40 cetane or higher
Note: Do not use kerosene or gasoline instead of diesel fuel.
31 HP Daihatsu Gas: Regular unleaded gasoline, 87 octane or higher
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- 10 -
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2.3.3 Fuel Filter:
27 HP Daihatsu Diesel: Replaceable Canister -10 micron
Briggs & Stratton P/N 820311
31 HP Daihatsu Gas: In-line 15 micron
Briggs & Stratton P/N 498688
2.3.4 Fuel Shut-Off Valve: 1/4 turn increments
(Left t ank, “OFF”, Right tank – Gas Unit s)
(Left tank, Right tank/Reserve, “OFF” – Diesel Units)
Fuel Reserve Valve: 1/4 turn increment (Right tank, “Reserve”)
2.4 ELECTRICAL SYSTEM
2.4.1 Charging System: External Alternator
2.4.2 Charging Capacity: 40 Amps
2.4.3 Battery Type: BCI Group Size 26
2.4.4 Battery Voltage: 12 Volt
2.4.5 Polarity: Negative Ground
2.4.6 Fuses: One 40 amp and one 20 amp blade type
2.4.7 Safety Interlock System:
Blades must be disengaged, brake engaged, and motion control levers out
(neutral lock) to start engine. (It is not necessary for the operator to be in the
seat to start the engine.)
Operator must be in seat when Blades are engaged, brake is disengaged, or
motion control levers are moved in or engine will stop.
Engine will stop if either the left, the right, or both levers are moved from neutral
lock position while brake is engaged.
2.4.8 Tilt Switch: Shuts off the engine when the unit is tilted more than 60° from
horizontal.
2.5 COOLING SYSTEM
2.5.1 Fan: Hydraulic, continuous operation with engine running
2.5.2 Coolant Liquid: 50/50 mix of Dex-Cool © extended life antifreeze and water.
2.5.3 Coolant Capacity: 2 gallons (7.6 L)
2.6 OPERATOR CONTROLS
2.6.1 Steering and Motion Control:
Separate levers, on each side of the console, control speed and direction of
travel of the respective drive wheels.
Steering is controlled by varying the position of the levers relative to each other.
Moving motion control levers outward
NOTE: Motion control levers are adjustable to two heights.
2.6.2 Blade Engagement Switch: Engages electric clutch (to drive belts) which engage
mower blades.
2.6.3 Parking Brake Lever: Sets brakes.
2.6.4 Deck Height Adjustment Lever: Sets cutting height to desired position.
2.6.5 Deck Lift Assist Lever: Foot pedal that assists in raising the deck.
(in slots) locks the drive system in neutral.
2.7 SEAT
2.7.1 Type: Deluxe suspension seat with high back, low profile foam-in-place cushion
(dampened, adjustable spring suspension) and armrests.
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2.7.2 Mounting: Hinged to tilt up for access to hydraulic pumps, battery and other
components. Held in tilted position with prop rod. Adjustable fore and aft seat track.
2.7.3 Armrests: Molded adjustable flip-up
2.7.4 Seat Safety Switch: Incorporated into the Safety Interlock System. Time delay
seat switch eliminates rough ground cut-outs.
2.8 HYDROSTATIC GROUND DRIVE SYSTEM
2.8.1 Hydrostatic Pumps: Two Hydro Gear BDP-21L variable displacement piston pumps.
2.8.2 Wheel Motors: Two Parker/Ross with 1 1/4” tapered shafts.
2.8.3 Hydraulic Oil Type: Synthetic Mobil 1 15W-50.
2.8.4 Hydraulic Oil Capacity: 4 qt. (3.8 L.)
2.8.5 Hydraulic Filter: Replaceable cartridge type.
P/N 103-1396: 10 microns, No bypass (Summer use above 32° F)
P/N 103-1574: 25 microns, No bypass (Winter use below 32° F)
2.8.6 Speeds: 0 - 11. 0 mph (17.7 km/hr) forward.
0 – 7.0 mph (11.3 km/hr) reverse.
2.8.7 Drive wheel release valves allow machine to be moved when engine is not
running.
armrests.
2.9 TIRES AND WHEELS
2.9.1 Tires Drive Front Caster
Qty:..........................................2 .....................................2
Ply:...........................................4 .....................................4
Infl:................................13 psi (90 kPa) ............... 13 psi (90 kPa)
Size:................................24 x 12.0-12.....................13 x 6.50-6
Tread:............................. “Turf Master”.......................Smooth
2.10 CUTTING DECK
2.10.1 Cutting Width: 72 in. (182.9 cm)
60 in. (152.4 cm)
2.10.2 Discharge: Side
2.10.3 Blade Size: (3 each) w/60” Deck 20.5 in. (52.1 cm)
w/72” Deck 24.5 in. (62.2 cm)
2.10.4 Blade Spindles: Solid steel spindles with 1” I.D. bearings.
2.10.5 Deck Drive: Electric clutch mounted on horizontal engine shaft. 2 – “A” Section
belts (with self-tensioning idlers) from electric clutch to transfer shaft mounted on
deck.
Blades are driven by one “B” Section belt (w/self-tensioning idler) from transfer
shaft on deck to blade spindles.
2.10.6 Deck: Full floating deck is attached to out-front support frame. Six anti-scalp
rollers provide maximum turf protection. Dual deck support shafts add to the
stability of the deck. Deck design allows for bagging, mulching or side discharge.
2.10.7 Deck Depth: 5.5” (14.0 cm)
2.10.8 Cutting Height Adjustment: an extra-long cushioned lever is used to adjust the
cutting height from 1 1/2” (3.8 cm) to 5” (10.2 cm.) in 1/4”(6.4 mm) increments
for. The cutting height adjustment handle has a transport position and all
adjustments can be made while the operator remains seated. Units also have a
foot operated deck lift assist lever to aid in raising the deck.
2.10.9 Mulching Kit: Optional.
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2.11 DIMENSIONS
2.11.1 Overall Width:
without deck deflector up deflector down
60” Deck 54.5 in. (138.4 cm) 61.4 in. (156.0 cm) 72.2” (179.3cm)
72” Deck 58.5 in. (148.6 cm) 73.2 in. (185.9 cm) 84.3” (212.8cm)
2.11.2 Overall Length: 60” decks – 82.2 in. (208.8 cm)
72” decks – 85.96. (217.2cm)
2.11.3 Overall Height: 50 in. (127.0 cm) (height will vary slight ly depending on seat setting)
2.11.4 Tread Width: (center to center of tires, widthwise)
Drive wheels: w/60” Deck – 42.8 in. (108.7 cm)
w/72” Deck – 46.8 in. (118.9 cm)
Casters: w/60” Deck – 38.9 in. (98.8 cm)
w/72” Deck – 47.6 in. (120.9 cm)
2.11.5 Wheel Base: (center of caster tire to center of drive tire)
w/60” Decks – 54.0 in. (137.2 cm)
w/72” Deck – 56.8 in. (144.3 cm)
2.11.6 Curb Weight
27 HP Daihatsu Diesel: w/60” Deck – 1565 lbs. (709 kg)
w/72” Deck – 1583 lbs. (718 kg)
31 HP Daihatsu Gas: w/60” Deck – 1541 lbs. (699 kg)
w/72” Deck – 1542 lbs. (699 kg)
2.12 TORQUE REQUIREMENTS
Bolt Location Torque
Cutter Housing Spindle Nut............................................ 75-80 ft-lbs. (102-109 N-m)
Blade Mounting Bolt....................................................... 115-120 ft-lbs. (156-163 N-m)
Engine Deck/Front Frame Mount....................................30-35 ft-lbs. (41-48 N-m)
Anti-Scalp Roller Bolts....................................................40-45 ft-lbs. (54-61 N-m)
Starter Mounting Bolts (M10).......................................... 22-27 ft-lbs. (30-37 N-m)
Water Separator Mounting Bolts (M8) Diesel only.......... 11-14 ft-lbs. (15-19 N-m)
Hydraulic Oil Filter Head Mounting Bolts (M6)................ 60-72 in-lbs. (7-8 N-m)
Wheel Lug Nuts.............................................................. 90-95 ft-lbs. (122-129 N-m)
Wheel Motor Mounting Bolts .......................................... 72-77 ft-lbs. (98-104 N-m)
Wheel Hub Slotted Nut................................................... minimum125 ft-lbs. (169 N-m)
3. ASSEMBLY INSTRUCTIONS
3.1 UNCRATE MOWER
3.2 SERVICE BATTERY.
WARNING: Battery posts, terminals, and related accessories contain lead compounds,
chemicals known to the State of California to cause cancer and reproductive harm. Wash
hands after handling.
The machine is shipped with a filled lead acid battery.
3.2.1 Tilt seat up to gain access to the battery.
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