OPE R AT O R’S MAN U A L
GROOMING MOWERS
GM2190
GM2109
Manual 5BP971379B
Date 10/10/2010
SAFETY
Take note! This safety alert symbol found throughout this manual is used to call your
attention to instructions involving your personal safety and the safety of others. Failure to
follow these instructions can result in injury or death.
This symbol means:
ATTENTION!
BECOME ALERT!
YOUR SAFETY IS INVOLVED!
Signal Words
Note the use of the signal words DANGER, WARNING and CAUTION with the safety messages. The
appropriate signal words for each have been selected using the following guidelines:
DANGER: Indicates an imminently hazardous situation that, if not avoided, will result in death or
serious injury.
WARNING: Indicates a potentially hazardous situation that, if not avoided, could result in death or
serious injury, and includes hazards that are exposed when guards are removed. It may also be used
to alert against unsafe practices.
CAUTION: Indicates a potentially hazardous situation that, if not avoided, may result in minor or
moderate injury.
INDEX
1 - GENERAL INFORMATION
2 - SAFETY PRECAUTIONS
3 - OPERATION
4
41.01 - General
41.02 - Warranty Information
51.03 - Model and Serial Number ID
6
62.01 - Preparation
72.02 - Starting and Stopping
72.03 - Messages and Signs
10
103.01 - Operational Safety
123.02 - Set Up
133.03 - Cutting Height Adjustment
143.04 - Pre-Operational Check
143.05 - Attaching to the Tractor
153.06 - Start Up
163.07 - Working Speed
173.08 - Operating Techniques
4 - MAINTENANCE
5 - REPAIR PROCEDURES
6 - TROUBLESHOOTING
183.09 - Uneven Terrain
183.10 - Removing Mower from the Tractor
183.11 - Quick Hitch Adapter Assembly and Operation
21
214.01 - Maintenance Safety
224.02 - Service
234.03 - Blade Maintenance
254.04 - Belt Tension
264.05 - Belt Replacement
274.06 - Driveline
284.07 - Transport
294.08 - Storage
31
315.01 - Gearbox
315.02 - Blade Spindle
335.03 - Suggested Spare Parts
34
7 - PRE-DELIVERY CHECKLIST
PARTS MANUAL
INDEX 3 FRONTIER
35
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GROOMING MOWERS OPERATOR’S MANUAL
1 - GENERAL INFORMATION
Thank you and congratulations for having chosen our implement. Your new grooming
mower is a technologically advanced machine constructed of high quality, sturdy
components that will fulfill your working expectations. Read this manual carefully. It will
instruct you on how to operate and service your mower safely and correctly. Failure to
do so could result in personal injury and/or in equipment damage.
1.01 - General
The implement described in this manual is to be used with tractors with PTO at 540 rpm
and clockwise rotation.
CAUTION: Always ensure that the coupling of the implement with the tractor is
done at the same PTO speed and direction of rotation. Do not operate this
implement at a PTO speed or direction of rotation other than that shown on the
implement. Serious damage can occur to the machine and/or the operator.
CAUTION: Unless otherwise specified, all hardware is metric. Use only metric
tools on metric hardware. Other tools that do not fit properly can slip and cause
injury.
CAUTION: Right hand and left hand sides of the implement are determined by
facing in the direction the implement will travel when going forward (see fig. 2).
1.02 - Warranty Information
Warranty coverage is provided by John Deere according to the terms of the
Agricultural/Commercial & Consumer Equipment Warranty Statement. Carefully read
the warranty statement on the back of your original purchase order for details on
coverage and limitations of this warranty.
Your Authorized Company Dealer has genuine parts in stock. Only these approved
replacement parts should be used.
GENERAL INFORMATION 4 FRONTIER
GROOMING MOWERS OPERATOR’S MANUAL
1.03 - Model and Serial Number ID
Attached to the frame is an ID plate showing the model and the serial number. Record
your implement model and serial number in the space provided below. Your dealer
needs this information to give you prompt, efficient service when you order parts.
GENERAL INFORMATION 5 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
2 - SAFETY PRECAUTIONS
Safety is the primary concern in the design and manufacture of our products.
Unfortunately our efforts to provide safe equipment can be wiped out by a single
careless act of an operator.
In addition to the design and configuration of equipment, hazard control and accident
prevention are dependent upon the awareness, concern, prudence and proper training
of personnel involved in the operation, transport, maintenance and storage of
equipment. It is the operator’s responsibility to read and understand all safety and
operating instructions in the manual and to follow these.
Allow only properly trained personnel to operate the mower. Working with unfamiliar
equipment can lead to careless injuries. Read this manual, and the manual for your
tractor, before assembly or operation, to acquaint yourself with the machines. It is the
mower owner’s responsibility, if this machine is used by any person other than yourself,
is loaned or rented, to make certain that the operator, prior to operating, reads and
understands the operator’s manuals and is instructed in safe and proper use.
2.01 - Preparation
1. Before operating equipment read and understand the operator’s manual and the
safety signs (see fig. 2).
2. Thoroughly inspect the implement before initial operation to assure that all
packaging materials, i.e. wires, bands, and tape have been removed.
3. Personal protection equipment including hard hat, safety glasses, safety shoes, and
gloves are recommended during assembly, installation, operation, adjustment,
maintaining and/or repairing the implement.
4. Operate the mower only with a tractor equipped with an approved
Roll-Over-Protective-System (ROPS). Always wear your seat belt. Serious injury or
even death could result from falling off the tractor.
5. Clear area to be cut of stones, branches or other debris that might be thrown,
causing injury or damage.
6. Operate only in daylight or good artificial light.
7. Ensure mower is properly mounted, adjusted and in good operating condition.
8. Ensure that all safety shielding and safety signs are properly installed and in good
condition.
SAFETY PRECAUTIONS 6 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
2.02 - Starting and Stopping
1. Be sure that no one is near the machine prior to engaging or while the machine is
working.
2. Be sure the tractor is in “Neutral” before starting engine.
3. Mower operating power is supplied from tractor PTO. Refer to your tractor manual
for PTO engagement and disengagement instructions. Always operate PTO at 540
rpm. Know how to stop the tractor and mower quickly in case of an emergency.
4. When engaging PTO, the engine rpm should always be low. Once engaged and
ready to start cutting, raise PTO speed to 540 rpm and maintain throughout cutting
operation.
5. Check the tractor master shield over the PTO stub shaft. Make sure it is in good
condition and fastened securely to the tractor. Purchase a new shield if old shield is
damaged or missing.
6. After striking an obstacle, disengage the PTO, shut the tractor down and thoroughly
inspect for damage before restarting.
7. Never engage the PTO until the mower is in the down position and resting on the
ground. Never raise the mower until all blades have come to a complete stop.
8. To park the vehicle safely, stop vehicle on a level surface (not on a slope),
disengage PTO, engage the parking brake, stop the engine, remove the key, and
wait for engine and all moving parts to stop before leaving the operator’s seat.
9. Stay clear of rotating drivelines. Entanglement in rotating driveline can cause serious
injury or death. Wear close fitting clothing. Stop the engine and be sure PTO
driveline is stopped before getting near it.
2.03 - Messages and Signs
1. Read and adhere to all safety and operating decals on this machine (see fig. 2).
2. Before dismounting tractor: Allow moving parts to stop, stop engine, set brake and
remove the key of unattended equipment.
3. Keep away from rotating blades and driveline.
4. Keep guards and shields in place and in good condition.
5. Do not mow with bystanders in area.
6. Allow no riders on tractor or mower.
7. Allow moving parts to stop before repair.
8. Securely support mower before working underneath.
Additional warning and operating decals are available at no extra charge. Please specify
model and serial number when ordering.
SAFETY PRECAUTIONS 7 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
Fig. 2 - Safety decals - implement; replace immediately if damaged.
right side left side
Red reflective decal Yellow reflective decal
SAFETY PRECAUTIONS 8 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
Safety decals - driveline; replace immediately if damaged.
placed on outer tube
placed on outer shield
SAFETY PRECAUTIONS 9 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
3 - OPERATION
You have purchased a three spindle mower designed especially for the mowing of
grassy areas where a highly professional cut is required without wasting time.
This mower is perfect for the maintenance of parks, private lawns, industrial parks,
airports, hospital grounds, schools, highways, golf courses, sport complexes, etc. The
GM21 series, for tractors up to 70 HP, come in working widths of 90” and 110”. The
mower can be either tractor front or rear mounted. On your mower, the tractor PTO
transmits its power through a driveline to a speed multiplier gearbox. A pulley is
attached to the pinion gear shaft of the gearbox which, via high resistance belts,
transmits power to pulleys coupled to the three individual spindle shafts. Blades are
secured to these shafts which turn at a high blade tip speed to cut the grass.
Our grooming mower comes equipped with 4 swivel wheels. Aside from regulating the
cutting height, the wheels are set in such a way as to allow the mower to follow the
contour of the terrain and give a precise, level cut even in undulating conditions.
3.01 - Operational Safety
CAUTION: Our mowers are designed considering safety as the most important
aspect and are the safest available in today’s market. Unfortunately, human
carelessness can override the safety features built into our machines. Injury
prevention and work safety, aside from the features on our mowers, are very
much due to the responsible use of the equipment. It must always be operated
prudently following with great care, the safety instructions laid out in this manual.
1. The use of this equipment is subject to certain hazards which cannot be prevented
by mechanical means or product design. All operators of this equipment must read
and understand this entire manual, paying particular attention to safety and
operating instructions, prior to using.
2. Do not operate the tractor and mower when you are tired, sick or when using
medication.
3. Keep all helpers and bystanders at least several feet from a rotary mower. Only
properly trained people should operate this machine.
4. When this machine is operated in populated areas where thrown objects could injure
persons or property, standard equipment safety chain shielding (which is designed
to reduce the possibility of thrown objects) must be installed.
5. The majority of accidents involve entanglements on the driveline, injury of
bystanders by objects thrown by the rotating blades, and operators being knocked
off the tractor by low hanging limbs and then being run over by the mower. Accidents
OPERATION 10 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
are most likely to occur with machines that are loaned or rented to someone who
has not read the operator’s manual and is not familiar with a rotary mower.
6. Always stop the tractor, set brake, shut off the tractor engine, remove the ignition
key, lower implement to the ground and allow mower blades to come to a complete
stop before dismounting tractor. Never leave equipment unattended with the tractor
running.
7. Never place hands or feet under mower with tractor engine running or before you
are sure all motion has stopped. Stay clear of all moving parts.
8. Do not allow riders on the mower or tractor at any time. There is no safe place for
riders.
9. Do not operate unless all personnel, livestock and pets are several feet away to
prevent injury by thrown objects.
10.Before backing up, disengage the mower and look behind carefully.
11.Install and secure all guards and shields before starting or operating.
12.Keep hands, feet, hair and clothing away from moving parts.
13.This rotary mower is designed for use only on tractors with 540 rpm power take off.
14.Never operate tractor and mower under trees with low hanging limbs. Operators can
be knocked off the tractor and then run over by the rotating blades.
15. The rotating parts of this machine have been designed and tested for rugged use.
However, they could fail upon impact with heavy, solid objects such as steel guard
rails and concrete abutments. Such impact could cause the broken objects to be
thrown outward at very high velocities. To reduce the possibility of property damage,
serious injury, or even death, never allow the cutting blades to contact such
obstacles.
16.Frequently check mower blades. They should be sharp, free of nicks and cracks and
securely fastened.
17. Stop mower immediately upon striking an obstruction. Turn engine off, remove key,
inspect and repair any damage before resuming operation.
18. Stay alert for holes, rocks and roots in the terrain and other hidden hazards. Keep
away from drop-offs.
19.Use extreme care and maintain minimum ground speed when transporting on
hillside, over rough ground and when operating close to ditches or fences. Be careful
when turning sharp corners.
20. Reduce speed on slopes and sharp turns to minimize tipping or loss of control. Be
careful when changing directions on slopes. Do not start or stop suddenly on slopes.
Avoid operation on steep slopes.
21. When using a unit, a minimum 20% of tractor and equipment weight must be on
tractor front wheels. Without this weight, tractor could tip over, causing personal
injury or death. The weight may be attained with a front end loader, front wheel
weights, ballast in tires or front tractor weights. When attaining a minimum 20% of
tractor and equipment weight on the front wheels, you must not exceed the ROPS
weight certification. Weigh the tractor and equipment. Do not guess or estimate!
1
22. Inspect the entire machine periodically
. Look for loose fasteners, worn or broken
parts, and leaky or loose fittings.
1
OPERATION 11 FRONTIER
See Chapter 4 - Maintenance.
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ROOMING MOWERS OPERATOR’S MANUAL
23. Use only the driveline supplied with the mower. Do not use it if it is missing any
shield or safety protection.
24. Pass diagonally through sharp dips and avoid sharp drops to prevent “hanging up”
tractor and mower.
25.Avoid sudden starts and stops while traveling up or downhill.
26. Always cut down slopes; never across the face. Avoid operation on steep slopes.
Slow down on sharp turns and slopes to prevent tipping and/or loss of control.
3.02 - Set Up
Notice to dealer: Pre-delivery setup and service including lubrication is the
responsibility of the authorized dealer. It is up to him to assure that the machine is in
perfect condition and ready to be used. It is his responsibility to ensure that the
customer is aware of all safety aspects and operational procedures for the mower. He
must also fill out the Pre-Delivery Checklist
2
prior to delivering the mower.
Fig.
Front mounted mower.
Fig. 4
Rear mounted mower.
2
OPERATION 12 FRONTIER
See Chapter 7 - Pre-Delivery Checklist.
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ROOMING MOWERS OPERATOR’S MANUAL
CAUTION: Stand clear of bands when cutting as they could be under sufficient
tension to cause them to fly loose. Take care in removing bands and wire, they
often have extremely sharp edges and cut very easily.
As mentioned above, all our grooming mowers may be either tractor front or rear
mounted. Changing our mowers from front mount to rear, or vice versa, can be easily
done at our authorized dealerships. This is accomplished by simply turning the three
point hitch and the gearbox 180 degrees (see fig. 3 & 4).
3.03 - Cutting Height Adjustment
WARNING: Keep hands and feet away from moving blades.
Be sure tractor engine is off, parking brake is locked, and key is removed before
making any adjustments.
Never rely on the tractor lift system. Install blocks or stands under the mower
deck to prevent it from falling.
Fig. 5
The cutting height is
adjusted by moving
the height adjustment
spacers on the wheel
yokes above or below
the wheel arm.
The cutting height is the distance from the blades to the ground. The cutting height is
adjusted by moving the spacers on the wheel yokes. Placing spacers between the
wheel arm and the wheel yoke raises the cutting height by the size of the spacer.
Removing the spacers lowers it by the same height (see fig. 5).
Be sure all wheel arms are adjusted equally. This is the only way to ensure a completely
uniform cut.
OPERATION 13 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
IMPORTANT: Very low cutting heights should be avoided. Damaging shock loads
occur when the blades strike the ground repeatedly. This can cause damage to
the mower.
Cutting lower than 2” under most circumstances should be avoided.
The cutting height is adjustable from 1.3” to 5.3”.
The mower comes equipped with a front anti-scalping roller. The roller is particularly
helpful when cutting over uneven terrain.
3.04 - Pre-Operational Check
IMPORTANT: Check each of the following, carefully, prior to engaging the equipment:
1. The spindle bearings have been greased.
2. The belts for proper tension.
3. The oil in the gearbox.
4. The driveline cross and bearings have been greased.
5. No wrappings or foreign objects are around the blades, belts or driveline.
6. The blades are properly installed and the blade bolts properly torqued3.
7. All hardware is tight.
8. The tractor, to ensure correct direction of PTO and rpm speed.
9. All safety shields and guards are in place and tightly attached.
10.No people or animals are in the work area.
11. When working, make sure the tractor hitch is in the “float” position, in order to allow
the mower to follow the contour of the ground.
DANGER: Stay clear of rotating driveline. Entanglement in rotating driveline can
cause serious injury. Disengage PTO, engage parking brake or place
transmission in “Park”, shut off the tractor and remove the key before working
around hitch, attaching or detaching driveline, making adjustments, servicing or
cleaning the machine.
3.05 - Attaching to the Tractor
Unit may be used on tractors ranging from 30 to 70 HP equipped with a standard PTO
and category 1 three point hitch4. Never use this mower with tractors over 70 HP.
CAUTION: Check the tractor PTO rpm to ensure it is set at 540 and turns
clockwise.
3
4
See Table 1, page 30.
See Table 2, page 30.
OPERATION 14 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
CAUTION: Always ensure that the tractor tire pressure is correct according to the
tractor operator’s manual.
DANGER: Failure to ensure a secure coupling of the implement to the tractor can
cause injury and damage to the implement or tractor.
To attach the mower to the tractor do the following:
1. Back the tractor up to the mower in order to slip the tractor hitch arms over the hitch
pins welded to the mower hitch arms. Turn off the tractor engine. Secure them in
place with the lynch pins.
2. Adjust the tractor sway blocks or chains to remove all side movement.
3. Attach the top link. Adjust tractor top link to allow the mower to follow the ground
contour and yet remain as level as possible when raised to transport position.
4. Install the shielded driveline to the tractor by first lining up the splines and
depressing the snap pin. Push the yoke onto the PTO shaft as far as it will go.
Release the pin and pull back slowly until the pin clicks in place. Repeat this
operation on the implement end.
5. Ensure that the driveline has at least 2” from bottoming out in its shortest working
position and has the minimum 6” overlap in its longest working position. Refer to
Section 4.065 of this manual, if it is determined that the driveline is too long and
needs to be shortened. Contact your local dealer if it is determined that the driveline
is too short for your tractor.
6. Attach the driveline chains to the tractor and to the mower to keep the driveline
protection from turning. The chains should not be too tight.
3.06 - Start Up
DANGER: The mower must always be lowered to the ground before starting
tractor engine or engaging PTO lever.
Lower mower to the ground with the tractor rock shaft control lever. With the engine
idling, slowly engage the PTO drive. Move the throttle lever until the PTO speed
indicated on the mower is obtained.
The mower is set for a PTO speed of 540 rpm.
Shift the transmission to a slow speed gear and start forward, increase the ground
speed by shifting upward until the desired speed is obtained. Do not mow in reverse
unless absolutely necessary and only after careful observation of the area behind the
mower.
5
procedures for shortening the driveline.
OPERATION 15 FRONTIER
See Section 4.06 - Driveline, for instructions on how to determine correct driveline length and
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ROOMING MOWERS OPERATOR’S MANUAL
CAUTION: Do not operate this mower at a PTO speed or direction of rotation
other than that shown on the mower. Serious damage can occur to the machine
and/or the operator.
Before starting to mow, never forget that the operator is responsible for the following:
1. Safe and correct driving of the tractor and mower.
2. To learn precise safe operating procedures for both the tractor and the mower.
3. To ensure all maintenance and lubrication has been performed on the mower.
4. To have read and understood all safety aspects for the mower in the operator’s
manual.
5. To have read and understood all safety decals on the mower.
6. Checking the condition of the blades. Worn or damaged blades should be changed
before starting6.
7. Checking to ensure that the cutting edge is the leading edge of the blade7.
8. Checking that there is no wire, weed, grass or other material wrapped around
blades.
9. Checking to see if front weights need to be added to the tractor in order to maintain
balance.
10.Checking the tractor tires for the proper pressure in accordance with the tractor
operator’s manual.
11. Checking that the PTO shield, belt shields and all other shielding are on the
machine and securely in place.
12.Making sure the proper attire is worn. Avoiding loose fitting clothing which can
become entangled. Wearing sturdy, tough-soled work shoes and protective
equipment for eyes, hands, ears and head. Never operate tractor or implements in
bare feet, sandals or sneakers.
13.Checking area for stones, branches and other debris that might be thrown.
14.Ensuring proper lighting is available, sunlight or good artificial lighting.
3.07 - Working Speed
The mowing speed depends on ground conditions, tractor HP, mowing height, and
grass thickness. Only a test run will enable you to gauge the optimal working speed for
your conditions. Under most conditions a 3 to 8 mph ground speed is best. As a rule of
thumb, and if the conditions permit, grass dispersion is increased by higher ground
speeds.
In order to obtain the best cut possible, always keep the tractor rpm up to the speed
indicated on the mower. When increasing or decreasing mowing ground speed, always
use gear selection, not engine speed. This will maintain the constant maximum blade
speed necessary for a clean cut.
6
7
OPERATION 16 FRONTIER
See Section 4.03 - Blade Maintenance.
See Section 4.03 - Blade Maintenance.
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ROOMING MOWERS OPERATOR’S MANUAL
3.08 - Operating Techniques
All of the following factors are important in selecting the proper forward speed:
1. Height of grass.
2. Type of grass.
3. Density of grass.
4. Type of terrain.
5. Grass condition, wet or dry.
This mower has been designed to cut grass with heights from 4” to 8”. It is
recommended to avoid cutting grass taller than 10”. For the best results, try cutting the
grass at least once per week during growing season. Tall, dense grass should be cut at
low speed, while thin medium grass can be cut at a faster ground speed. For cleaner
cuts and efficient mowing, the blades must be kept sharp8.
Always operate PTO at 540 rpm. This is necessary to maintain proper blade speed and
obtain a clean cut.
Under certain conditions, tractor tires may roll some grass down and prevent it from
being cut at the same height as the surrounding area. If this occurs reduce the tractor
ground speed but maintain a 540 rpm engine speed. The lower ground speed will permit
the grass to at least partially rebound. Under some conditions grass will not rebound
enough to be cut evenly, resulting in an uneven appearance. In general, lower cutting
height gives a more even cut with less tendency to leave tire tracks. If cut is still not
satisfactory, cut the area twice.
Mow extremely tall grass twice. On the first pass use a high cutting height. On the
second pass position the mower at the desired height and, when practical, mow at a
right angle in travel to the first pass.
Plan your pattern to travel straight forward whenever possible. It is better to cut grass
more often, than too short. Short grass deteriorates rapidly in hot weather and invites
weed growth during growing season.
If at any time the mower should jam resulting in belt slippage of 2 or more seconds,
raise the mower and continue for 2-3 minutes. This will allow the pulleys to cool and
prolong belt life.
DANGER: The mower blades can throw objects hundreds of feet which could
result in personal or property damage.
Pick up all rocks and other debris before mowing.
Enter new areas carefully. Cut grass higher at first, allowing mower to clear
hidden objects.
CAUTION: For emergency reasons learn how to stop the tractor and mower
quickly. On the finishing mowers always disengage the PTO, lock parking brake,
8
OPERATION 17 FRONTIER
See Sharpening Blades in Section 4.03 - Blade Maintenance.
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ROOMING MOWERS OPERATOR’S MANUAL
stop engine and allow the mower blades to come to a complete stop before
dismounting the tractor.
3.09 - Uneven Terrain
DANGER: Be careful of rollover when operating tractor and mower over uneven
ground.
The following precautions should always be observed when working on uneven terrain:
1. In extremely uneven terrain rear wheel weights, front tractor weights, and/or tire
ballast should be used to improve stability.
2. Observe the type of terrain and develop a safe working pattern.
3. Whenever traction or stability is doubtful, first test drive over the terrain with the PTO
disengaged.
4. Operate the implement up and down steep slopes, not across slopes, to prevent the
tractor from tipping. Avoid sudden stops and starts, and slow down before changing
directions on a slope.
5. Pass diagonally through sharp dips and avoid sharp drops to prevent hanging up the
tractor and implement.
6. Slow down on sharp turns and slopes to prevent tipping or loss of control.
7. Avoid tipping the mower while cutting.
8. Watch for holes, roots or other hidden objects. Do not use near the edge of a gully,
ditch or stream bank.
An anti-scalping roller is mounted on the deck for uneven ground contours. The
roller rides the nose of the mower over a mound to help keep the nose from
bulldozing or the blade from scalping the ground.
3.10 - Removing Mower from the Tractor
CAUTION: Disengage tractor PTO. Set parking brake. Stop engine and remove
key from ignition. Disconnect mower driveline from tractor PTO shaft. Collapse
driveline and store in appropriate place. Disconnect three point linkage and
carefully drive tractor away from mower.
3.11 - Quick Hitch Adapter Assembly and Operation
Using a Quick Hitch system: The GM21 series mowers can be used with a Quick
Hitch system, allowing for quick and easy hookup, by installing an optional adapter. This
OPERATION 18 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
optional adapter has floating yokes that will allow the mower to follow the contour of the
ground.
WARNING: When using a Quick Hitch on a PTO driven implement always ensure
there is the proper driveline overlap prior to use. If there is not the minimum 6”
driveline overlap do not use and contact your nearest dealer to purchase a longer
driveline.
Fig. 6 - Quick Hitch Adapter assembly.
Quick Hitch Adapter assembly (see fig. 6):
1. Remove lower hitch arms from grooming mower’s linking plates.
2. Remove the M16x140 bolt on top of the three point hitch of the grooming mower.
3. Remove the M16x45 bolts that hold the top hitch supports to the linking plates of the
mower.
4. Install the floating yokes of Quick Hitch Adapter assembly to the linking plates of the
mower using the M16x65 hex bolts and the M16 stover nuts. Install the floating
yokes in the same hole that the hitch pins were mounted. NOTE: The floating
yokes need to be installed as shown on fig. 7.
5. For proper operation of the mower, ensure that the floating yokes are parallel to the
ground.
6. Install the floating top link to the top hitch arms using the M16x110 bolt and the M16
stover nut.
7. Install the A-frame support to the floating top link using the same M16x140 bolt that
was previously removed from the top of the three point hitch of the grooming mower
and the M16 stover nut.
OPERATION 19 FRONTIER
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8. Install the A-frame support to the floating yokes using the M20x160 hex bolt and the
M20 stover nut.
9. Loosen the M16x45 bolts that secure the top hitch arms to the rear support plates of
the mower. Only loosen slightly. The arms must be able to move slightly up and
down.
10. Tighten all hardware, ensuring all bolts and nuts have enough play to allow quick
hitch adapter to move up and down.
Fig. 7 - Quick Hitch Adapter floating yoke installation.
GM2190 & GM2109
Quick Hitch Adapter operation:
After completing assembly of the adapter, the tractor lift arms should be raised and
locked in a position so the floating yokes are horizontal.
CAUTION: Improper setup of the Quick Hitch Adapter can result in equipment
damage. A replacement driveline must generally be installed to prevent injury or
equipment damage when using the Quick Hitch Adapter.
CAUTION: If the three point hitch of the tractor is set in the lowest position, the
driveline may bottom out against the Quick Hitch resulting in a bent driveline. If
the mower is lifted after the driveline has been bent, it may also damage the
gearbox, mounting plates, and other hardware.
OPERATION 20 FRONTIER
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4 - MAINTENANCE
DANGER: Stop engine, lock parking brake and remove key before performing any
service or maintenance.
Never rely on the tractor lift system. Install blocks or stands under the mower
deck to prevent it from falling.
Always use personal protection devices, such as glasses or gloves when
performing maintenance.
Keep fingers out of slots to prevent injury.
4.01 - Maintenance Safety
1. Good maintenance is your responsibility.
2. Keep service area clean and dry. Be sure electrical outlets and tools are properly
grounded. Use adequate light for the job at hand.
3. Make sure there is plenty of ventilation. Never operate the engine of the towing
vehicle in a closed building. The exhaust fumes may cause asphyxiation.
4. Make no repair or adjustments with the tractor engine running. Before working on
the machine, disengage the PTO, shut off the engine, set the brakes, and remove
the ignition key.
5. Be certain all moving parts on attachment have come to a complete stop before
attempting to perform maintenance.
6. Never work under equipment unless it is blocked securely.
7. Always use personal protection devices such as eye, hand and hearing protectors,
when performing any service or maintenance.
8. Frequently check mower blades. They should be sharp, free of nicks and cracks and
securely fastened.
9. Periodically tighten all bolts, nuts and screws and check that all cotter pins are
properly installed to ensure unit is in a safe condition.
10. When completing a maintenance or service function, make sure all safety shields
and devices are installed before placing unit in service.
11.Do not attempt to mount a tire unless you have the proper equipment and
experience to do the job.
12. Inflating or servicing tires can be dangerous. Whenever possible, trained personnel
should be called to service and/or mount tires.
13.After servicing, be sure all tools, parts and service equipment are removed.
MAINTENANCE 21 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
14. Never replace hex bolts with less than grade five bolts unless otherwise specified,
i.e. shear bolts9.
15.Where replacement parts are necessary for periodic maintenance and servicing,
genuine replacement parts must be used to restore your equipment to original
specifications. The company will not claim responsibility for use of unapproved parts
and/or accessories and other damages as a result of their use.
16. Unauthorized modifications to the machine may impair the function and/or safety of
the machine and reduce its life. If equipment has been altered in any way from
original design, the manufacturer does not accept any liability for injury or warranty.
4.02 - Service
The accompanying illustrations show lubrication points. The chart gives the frequency of
lubrication in hours, based on normal operating conditions. Severe or unusual
conditions may require more frequent lubrication.
Use a good quality SAE multipurpose type grease for all locations shown. Be sure to
clean fittings thoroughly before using grease gun.
Use 90 wt. gear oil in gearbox.
Hourly:
1. Check the condition of mower blades for nicks or dull edges. Sharpen if necessary.
2. Replace bent or damaged blades
10
.
3. Also check blades for damage after hitting an obstruction.
4. Clean foreign material from mower deck and belt area.
Fig. 8 - Lubrication of wheel yokes.
Every 8 hours:
1. Lubricate the driveline and the wheel yokes: Apply two or three shots of grease
to the driveline cross and bearings and the telescoping shafts; apply the same
amount to the wheel yokes grease fittings (see fig. 8). See the driveline
9
10
MAINTENANCE 22 FRONTIER
Refer to Table 1 - Torque Specifications, page 30.
See Section 4.03 - Blade Maintenance.
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ROOMING MOWERS OPERATOR’S MANUAL
manufacturer operator’s manual for further information on the driveline. (Note: On
older models you may need to lubricate the wheel bearings, check wheels to see if
there is a grease fitting, if so apply two or three shots of grease every 8 hours).
2. Gearbox oil level: Check gearbox oil level, it should be between 1/2 and 2/3 full. If
needed add either SAE 90 wt. or SAE 140 wt. gear oil.
Every 25 hours: Check hardware tightness; mower vibrations can loosen bolts.
Check tightness of the hardware periodically, using Table 1 as a guide11.
Every 50 hours:
1. Lubricate the three spindles with two or three shots of multipurpose grease (see fig.
9). The top grease fittings are easily accessible from the top of the deck by simply
removing the plastic dust guards.
2. Check belt tension12.
Fig. 9
Lubrication of the spindle shafts easily
accessible from the top of the deck.
4.03 - Blade Maintenance
WARNING: To avoid possible injury always wear proper eye and hand protection
when servicing mower blade.
In order for the mower to work properly, and to always obtain a precision cut with lower
HP requirements thus keeping cost down, proper blade maintenance is important.
Blades must be kept sharp, at their original length and corners maintained. A blade
must be replaced if, due to wear or damage, its original shape has been distorted.
11
12
MAINTENANCE 23 FRONTIER
See Table 1, Torque Specifications, page 30.
See Section 4.04 - Belt Tension.
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ROOMING MOWERS OPERATOR’S MANUAL
Installing or removing blades
If the mower blades need to be installed, do the following:
1. The blades rotate clockwise viewing the mower, when lifted, from the rear. The
blades must be mounted with the cutting edge in the direction of rotation and the lift
wing edge towards the bottom of the deck (see fig. 10).
2. Insert the blade bolt through the blade and then through the spindle, taking care to
assemble it as described above (see fig. 10). Screw on the lock nut.
3. Tighten the lock nut to 105 lb.ft.
4. To remove the blades, reverse the procedure.
Fig. 10 - Mower's spindle assembl
1
2
3
4
9
6
5
8
10
7
Ground
1. grease fitting
2. nut
3. pulley
4. rotor support
6. rotor
7. blade
8. blade bolt
9. lift wing
5. nut
10. shaft welded to the rotor
WARNING: Do not substitute blades or any bolt for the blade retaining bolt.
Company blades and blade retaining bolts are specially made for this application.
Using non original parts can effect the quality of cut and may also cause damage
to the mower.
MAINTENANCE 24 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
DANGER: Proper torque must be used when tightening the blade retaining bolt. If
these safety precautions are not followed, the blade could come off during
operation and be thrown hundreds of feet from the mower.
Sharpening blades
Blade sharpening is extremely important in order to get the best cutting results. Sharp
blades permit a high quality cut and also reduce HP thus lowering cost.
To sharpen blades, first remove them following the above instructions.
Place the blade in a vise and sharpen them by using a hand file or grinder. Do not
sharpen the blades to a sharp cutting edge. The cutting edge should be between 1/64”
to 1/32” to prevent excessive pitting and dulling of the blades. Sharpen both ends of the
blade equally for balance and always maintain corners. Always keep all three blades
sharpened equally in order to maintain balance.
CAUTION: Unbalanced or warped blades can cause damage to the mower and/or
personal injury. Replace damaged blades before operating the mower. Sharpen
both ends of the mower blades equally or until the blade is balanced.
4.04 - Belt Tension
Belt tension control
Check the belt tension (see fig. 11) by applying a force of 12-15 lb. pushing against the
belt halfway between the pulleys. The belt deflection should be between 5/16”-3/8”.
Fig. 11
The belt deflection should be
between 5/16"-3/8".
Belt tension adjustment
To adjust the tension do the following (see fig. 12):
1. Remove belt shields. Clean foreign material from the mower deck and belt area.
MAINTENANCE 25 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
2. Loosen the four nuts holding the gearbox support plate to the central plate.
3. Loosen the two blocking nuts on the adjustment bolt.
4. Turn the adjustment bolt clockwise until the proper belt tension is reached. This will
draw the gearbox support plate to the rear, thus tightening the belts.
5. Tighten the two blocking nuts on the adjustment bolt.
6. Retighten the four nuts holding the gearbox support to the central plate.
7. Reinstall the belt shields.
1
3
Fig. 12
1. adjustment bolt
2. gearbox support plate
2
3. gearbox
4.05 - Belt Replacement
If the belts have been stretched or damaged to the point where the proper tension
cannot be obtained they must be changed.
2
5
3
4
3
Fig. 13
1. drive pulley
2. central pulley
1
3. lateral pulleys
4. right belt
5. left belt
MAINTENANCE 26 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
To replace belts do the following:
1. Remove belt shields. Clean foreign material from the mower deck and belt area.
2. Loosen the four nuts holding the gearbox support plate to the central plate.
3. Loosen the two blocking nuts on the adjustment bolt.
4. Turn the adjustment bolt counter clockwise, pushing the gearbox support plate
forward until all tension is released (see fig. 12).
5. Loosen rear nuts holding central plate (do not remove them).
6. Remove front nuts holding central plate.
7. Lift the front of the central plate and remove old belts.
8. Replace new belts (see fig. 13). Loop the first belt over the left spindle and around
the lower groove of the center spindle pulley and the lower groove of the gearbox
drive pulley. The second belt connects the upper grooves of the center spindle
pulley and the gearbox drive pulley with the right spindle pulley.
9. Lower central plate.
10.Replace front nuts. Tighten front and rear nuts holding down central plate.
11. Turn the adjustment bolt clockwise until the proper belt tension is reached. This will
draw the gearbox support plate to the rear, thus tightening the belts.
12.Tighten the two blocking nuts on the adjustment bolt.
13.Retighten the four nuts holding the gearbox support to the central plate and replace
the belt shields.
4.06 - Driveline
DANGER: Only use the original driveline supplied with this mower and always
with the safety shielding. Carefully read and file away the driveline operator’s
manual supplied by the manufacturer. The following does not substitute the
information found in the driveline manual.
IMPORTANT: Always check driveline length during initial setup and when connecting to
a different tractor.
In the collapsed position the driveline should be approximately 2” from bottoming out to
prevent possible damage to the tractor or implement. When the driveline is in the
maximum extended position, the ideal minimum overlap of the two halves should be
approximately 6” (see fig. 14).
If determined that the driveline is too long, follow these procedures to adjust the length:
1. Separate the two driveline halves. Connect one half to the tractor PTO and the other
half to the mower.
2. Raise and lower the mower with the 3 point hitch to find the position where the
driveline is shortest. Hold the half shafts side by side and mark the desired length on
the outer female tube guard leaving a 11/2” gap between the end of the guard tube
and bell guard.
MAINTENANCE 27 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
3. Cut off both guard tubes the same amount as marked in step 2.
4. Shorten both drive tubes the same amount as guard tubes.
5. De-burr and clean filings from drive tubes and apply grease to outside of inner
telescoping tube.
6. Reassemble the driveline halves and connect to tractor and mower. Raise and lower
mower again to be sure driveline does not bottom out in its shortest position and has
a minimum overlap of 6” in the longest position.
7. Install both driveline safety chains. One should be hooked in a hole on the outer
driveline yoke shield and to the tractor to restrict outer shield rotation. The second
one should be hooked in a hole on the inner driveline yoke shield and to the
implement to restrict inner shield rotation.
If determined that the driveline is too short for your tractor, contact your local dealer.
Fig. 14
min. 6"
MAX.
min. 2"
MIN.
CAUTION: Always work with the driveline as straight as possible. This will
prolong its life and that of its components. It is advised not to work at an angle
greater than 15 degrees.
4.07 - Transport
Before raising the mower for transport, the tractor top link must be adjusted so when
lifted, the rear of the machine is higher than the front (the mower’s nose is tilted
downward). To do this, shorten the tractor top link until the top hitch plate is locked
forward and no longer able to pivot. This will keep the mower locked in position and
minimize the shaking and bouncing during transport which can damage the hitch or
frame.
When raising the mower be sure the PTO driveline does not hit either the mower or the
tractor. During transport the mower should not be lifted over 14”-16” from the ground.
MAINTENANCE 28 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
CAUTION: Make sure PTO is disengaged and blades have stopped turning before
raising mower to full transport position.
Do not tow tractor and mower behind other vehicles. Use a properly equipped
trailer with heavy tie-downs for towing operations.
Before transporting:
1. Disengage PTO.
2. Shorten tractor top link until top hitch plate is locked.
3. Raise machine and lock rockshaft control lever.
4. Always select a safe ground speed that is appropriate for the terrain.
5. Beware of traffic on public roads. Install a SMV (Slow Moving Vehicle) sign when
traveling on roads or streets.
6. Reduce ground speed when turning and take care that the mower does not strike
obstacles such as trees, fences or buildings.
4.08 - Storage
CAUTION: Following operation, or when unhooking, stop the tractor, set the
brakes, disengage the PTO, shut off the engine and remove the ignition key. Store
the unit in an area away from human activity. Do not permit children to play on or
around the stored unit. Make sure all parked machines are on a hard, level
surface and engage all safety devices.
After seasonal use it is important to perform the following for prolonged storage:
1. Wash the mower carefully.
2. Inspect the mower and replace worn or damaged parts.
3. Tighten all hardware.
4. Grease all areas indicated under Maintenance.
5. Loosen the belts if the mower is to be stored for an extended length of time.
6. Cover the mower from the elements in order to have it in perfect condition for the
start of the next season.
MAINTENANCE 29 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
TABLE 1 - TORQUE SPECIFICATIONS
Metric (ISO)
treaded
bolts head
marking
Bolt
Thread
size
mm
When using lock washers with nuts, increase torque values by 5%.
mm
0.8M5
1M6
1.25M8
1M8
1.5M10
1.25M10
1M10
1.75M12
1.5M12
1.25M12
2M14
1.5M14
2M16
1.5M16
2.5M18
2M18
1.5M18
2.5M20
1.5M20
2.5M22
1.5M22
3M24
2M24
3M27
2M27
3.5M30
2M30
4M36
Class 8.8Class 5.8
Class 10.9
ft-lbN.mft-lbN.mft-lbN.m
794634
111571046
273618251216
283819261317
527135482331
557538512433
587839532635
9112362844054
9412864874156
9813366904459
144195981336284
1542091051426994
22330215220697131
236320161218104141
310421218295133181
327443229311145196
343465241327150203
437592306415189256
476646335454212288
595807418567254344
644873452613281381
7501017526714327444
8081095567769360488
110314967741050484656
117615948251119530719
1499203310471420668906
16592250118016007381000
260735351830248211311534
Inch (SAE)
treaded
bolts head
marking
Thread
Bolt
inch
size
inch
tpi
201/4”
281/4”
185/16”
245/16”
163/8”
243/8”
147/16”
207/16”
131/2”
201/2”
129/16”
189/16”
115/8”
185/8”
103/4”
163/4”
97/8”
147/8”
81”
121”
71-1/8”
121-1/8”
71-1/4”
121-1/4”
61-3/8”
121-3/8”
61-1/2”
121-1/2”
Grade 8Grade 5Grade 2
ft-lbN.mft-lbN.mft-lbN.m
121681157
1419101368
253317241115
273719261317
445931422027
496735472331
709549673243
7810655753648
106144751024866
120163851155575
1542081091477095
17123212116479106
21228715020397132
240325170230110149
376509266361172233
420569297403192261
606822430582167226
668906473642184249
9091232644873250339
9951348704955273371
128817467941077354480
144519588911208397539
1817246311201519500677
2012272812411682553750
2382323014691992655888
27123677167322687461011
31614286194926438691179
35574823219429749781326
TABLE 2 - GM21 GROOMING MOWERS - TECHNICAL FEATURES
Series GM21, Rear discharge, for tractors up to 70 HP, PTO 540 rpm, 3 point hitch cat. 1
HPModel
Working
width
Overall
width
Weight
lb.
1137 AT
92”90”30-70GM2190
1237 HT
1290 AT
112”110”30-70GM2109
1390 HT
MAINTENANCE 30 FRONTIER
Rotor
rpm/min
Blades
tip speed
ft/min
# of
blades
Cutting
height
# of
belts &
type
2 CX1.3”-5.3”6141061750
2 CX1.3”-5.3”6149981562
# of wheels &
size
4 - 13”x6.5” air
4 - 12”x4” hard
4 - 13”x6.5” air
4 - 12”x4” hard
Driveline
3
1
/8”
th
ASAE 4
ASAE 4th cat
cat
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ROOMING MOWERS OPERATOR’S MANUAL
5 - REPAIR PROCEDURES
CAUTION: All repair procedures must be done by authorized dealerships. It is not
recommended that untrained individuals perform any repair work. The following
operations are detailed for qualified personnel only.
5.01 - Gearbox
To remove the gearbox do the following:
1. Remove the belt guards.
2. Loosen the nuts holding the gearbox support plate (see fig. 12).
3. Loosen the nut and turn the bolt in order to push the gearbox forward and release
tension on the belts (see fig. 12).
4. Remove the belts13.
5. Remove the nuts holding the central plate to the frame.
6. Remove the nut holding the pulley to the gearbox pinion shaft. Remove the pulley.
7. Unbolt the nuts holding the gearbox support plate to the central plate (see fig. 12).
Remove gearbox and gearbox support plate.
8. Unbolt the nuts holding the gearbox to the gearbox support plate. Remove the
gearbox.
If it is necessary to replace any part on the inside of the gearbox, it is important to
replace oil seals or gaskets to ensure a tight fit when reassembling.
To replace the gearbox, follow the above instructions in reverse order.
5.02 - Blade Spindle
To remove a blade spindle do the following:
1. Remove the belts14.
2. Remove the safety nut holding the pulley to the spindle shaft. Remove the pulley.
3. Remove the bolts holding the spindle assembly to the deck and remove the
assembly.
4. Press out the spindle shaft.
5. If necessary remove and replace the bearings from the rotor using presses or
extractors. Take care not to damage the oil seals. Replace them if necessary.
13
14
See Section 4.05 - Belt Replacement.
See Section 4.05 - Belt Replacement.
REPAIR PROCEDURES 31 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
1. grease fittin
2. safety nut
3. pulley
4. spacer
5. oil seal
6. bearing
8. rotor support
10. bearing
11. oil seal
12. spindle shaft & rotor
15. nut
Fig. 15
7. nut
9. bolt
13. key
17. bolt
16. blade
19. block washer
14. nut
18. blade bolt
To reassemble the blade spindle, do the following:
1. Clean the spindle housing support. Remove shavings and/or burrs.
2. Rub oil on the mounting surfaces. Press the bearing races into the rotor support
(see fig. 15).
3. Apply a layer of grease to the inner ring of the bearing. Pack the bearings with
grease.
4. Carefully lubricate the oil seal and assemble it on the spindle shaft with the lip turned
down toward the blade mounting plate.
REPAIR PROCEDURES 32 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
5. Place the bearing over the spindle shaft.
6. Assemble the rotor support over the spindle shaft, taking care not to damage the oil
seal.
7. Place the upper bearing, the adjustment spacer and the oil seal (assemble it with the
lip towards the bearing) over the spindle shaft. Be sure all parts are lubricated prior
to assembly. Take care not to damage the seal.
8. Bolt the spindle assembly to the deck.
9. Place the key in the keyway and mount the pulley onto the shaft.
10.Tighten the locking nut while turning the spindle. Tighten the spindle until resistance
is felt. Tighten until there is no up and down play in the pulley.
11.Back off 1/12 of a turn so the spindle turns without resistance.
12.With rubber mallet, tap on the top of the spindle to set the bearings.
13.Check spindle to ensure that it is still turning freely left and right.
14.Tighten the nut and check again to ensure that the spindle is still turning freely.
15.Check to ensure that there is no excessive play in the bearing.
16.If play is present, loosen the nut and tap on spindle again and tighten up and check
movement again.
1
17.If spindle appears to be too tight, loosen the nut about
/12 of a turn and check again.
18.Be sure the grease fitting is in the shaft (see fig. 15).
19.Replace the belts and the belt covers.
20.Grease the spindle assembly.
5.03 - Suggested Spare Parts
It is suggested that the following spare parts be kept on hand for the mower at all times
to prevent a minor problem from delaying work.
QuantityDescription
6Blades
6Blade bolts
2Belts
REPAIR PROCEDURES 33 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
6 - TROUBLESHOOTING
WARNING: Be sure tractor engine is off, parking brake is locked, and key is
removed before making any adjustments.
SOLUTIONPOSSIBLE CAUSEPROBLEM
Uneven cutting.
cutting.
Belt slippage.
Mower vibrates.
Grass build up at exit.
Belts are tight when
installing.
Ground speed too fast.
Blades need sharpening.
Caster wheels uneven.
Direction of blades is wrong.Blades turning but not
Lack of tension.
Object clogging mower.
Debris in pulleys.
Object wrapped around blade.
Belts damaged.
Wet grass.
Grass too high.
Tractor rpm too slow.
Wrong belt size.
Installed belts incorrectly.
Shift to lower gear.
Sharpen blades.
Adjust wheel position.
Blade should turn clockwise
when you face deck bottom. See
Blades Maintenance section.
Tighten belt.
Remove object.
Clean pulleys.
Remove object.
Replace belts.
Tighten belts.Belts slipping.Belt squeal.
Allow grass to dry.
Raise mower, shift to lower
gear, make two passes over
grass. Mow grass high 1st pass,
2nd pass cut to desired height.
Increase tractor rpm, check
engine and PTO speeds.
Check belt size.
See Replacing Belts section.
Streaking conditions
in swath.
Too wet to mow.
Blades cannot cut grass
pressed down by wheels.
Dull blades.
Allow grass to dry.
Maintain engine speed and shift
to lower gear.
Sharpen blade. See Blades
Maintenance section.
Blades worn down, preventing
Change blades.
overlap.
Cut grass windrows.
Ground speed too low.
Tractor rpm too slow.
Increase ground speed.
Increase tractor rpm, check
engine and PTO speeds.
TROUBLESHOOTING 34 FRONTIER
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ROOMING MOWERS OPERATOR’S MANUAL
7 - PRE-DELIVERY CHECKLIST
To the dealer: Inspect the machine thoroughly after assembly to assure it is
functioning properly before delivering it to the customer. The following checklist
is a reminder of points to cover. Check off each item as it is found satisfactory or
after proper adjustment is made.
Gearbox oil level.
Guards and shield properly fastened.
Lubrication of grease fittings.
All hardware properly tightened.
All decals properly located and readable (see fig. 2).
Blades properly installed, blade bolts and nuts tightened.
Overall condition (touch up scratches, clean and polish).
Test run, check for excessive vibration or overheating of bearings.
Operator’s Manual.
Review the Operator’s Manual with the customer. Explain the following:
Warranty.
Safe operation and service.
Correct machine installation and operation.
Daily and periodic lubrication, maintenance and inspections.
Troubleshooting.
Operational procedures and storage.
Parts and service.
Fill out the Pre-Delivery Checklist and on-line Warranty Registration form.
Give customer the Operator’s Manual and encourage the customer to read the
manual carefully.
IMPORTANT: The dealer must complete the Warranty Registration, located on the
Frontier website. Warranty claims will be denied if the Warranty Registration has
not been completed.
Model Number: __________ Serial Number: __________
Delivery Date: __________ Dealer’s Signature: __________
PRE-DELIVERY CHECKLIST 35 FRONTIER
GROOMING MOWERS
GM2190
GM2109
PAR T S MA N U A L
Note: Serial #’s with the XF prefix are subsequent to serial numbers with the BC prefix. For example: A
reference to “serial # BC…739197 & above” will also include all serial numbers with an XF prefix.
Frontier C70-090, 110 (US)
Printed on October 12, 2010
Parts Manual 10/2010
C70-090, 110 Ver. F
GROOMING MOWERS FRAME OPERATOR’S MANUAL
GM2190, GM2109
ARTS MANUAL 38 FRONTIER
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10/2010
GROOMING MOWERS FRAME OPERATOR’S MANUAL
GM2190, GM2109
Qty.DescriptionPart #Ref.
1Frame 90”; GM21905BP01670021
1Frame 110”; GM21095BP0267002
1Central plate 5BP01670522
2Belt shield; GM21905BP01670623
2Belt shield; GM21095BP0267062
4Bolt HH M10-1.50x25 C8.8 Z F5BP00331764
14Washer flat Ø10 W5BP00020345
3Cap5BP00066476
1Support plate, gearbox5BP00441877
1Bolt SP M12-1.75x122 C8.8 P F5BP00670828
2Nut HH M12-1.75 C6 Z MD5BP00011069
4Nut ES M12-1.75 TN Z5BP009413910
4Washer fender Ø12 Z5BP007610611
1Gearbox, complete5BP050061412
1Breather cap5BP0001107A13
1Gasket 5BP000669114
6Nut HH M12-1.75 C6 Z TK5BP000303815
6Washer lock Ø12 Z5BP000107716
24Bolt HH M10-1.50x20 C8.8 Z F5BP000634918
2Washer flat Ø16 W5BP000856819
2Belt CX 96; GM21905BP006716920
2Belt CX 106; GM21095BP0067170
2Linking plate 5BP006725126
8Bolt HH M16-2.00x50 C8.8 Z P5BP000236527
13Nut PT M16-2.00 C6 Z TK5BP000558128
2Lower hitch arm5BP006725629
4Spacer 5BP000682730
4Bolt HH M16-2.00x55 C8.8 Z P5BP003321831
2Hitch pin5BP003834632
1Three point hitch5BP006727533
2Top hitch arm; GM21905BP006727634
2Top hitch arm; GM21095BP0067277
2Three point hitch joint (straight, 2 holes)5BP006728235
5BP0067285
15
2Three point hitch joint (L shaped, 3 holes)
1Spacer, inner5BP004406736
1Bolt HH M16-2.00x150 C8.8 Z P5BP000683437
4Grease fitting M10-1.005BP000106538
1Wheel arm 90”; GM21905BP016729139
1Wheel arm 110”; GM21095BP0267291
4Washer flat Ø33 Z5BP000552440
36Nut PT M10-1.50 C6 TK Z5BP003015641
18Washer fender Ø10 Z5BP003015742
4Wheel yoke for hard tire5BP006730543
4Wheel yoke for 13” air tire5BP0067371
12Spacer 1”5BP004412944
4Spacer ½”5BP004413045
4Cotter pin5BP000878346
4Wheel hard tire, complete5BP004413147
8Bearing 6205 2RS, hard tire (not shown)5BP0051706
15
replaced.
Part # 5BP0067285 is interchangeable with part #5BP0067282 provided both “three point hitch joints” are
ARTS MANUAL 39 FRONTIER
P
10/2010
GROOMING MOWERS FRAME OPERATOR’S MANUAL
GM2190, GM2109
ARTS MANUAL 40 FRONTIER
P
10/2010
GROOMING MOWERS FRAME OPERATOR’S MANUAL
GM2190, GM2109
Qty.DescriptionPart #Ref.
5BP006740247
16
4Wheel 13” air tire, complete
8Bearing 6205 2RS, air tire (not shown); #BC…631510 & above5BP0051706
8Wheel cover, air tire (not shown); #BC…631510 & above5BP0044134
4Inner wheel spacer, hard tire5BP004413848
4Inner wheel spacer, air tire5BP0067412
8Outer wheel spacer, hard tire5BP004413349
8Outer wheel spacer, air tire5BP0067414
4Bolt HH M14-2.00x170 C8.8 Z P, hard tire5BP004413550
4Bolt HH M20-2.50x230 C8.8 Z P, air tire5BP0023911
4Nut PT M14-2.00 C6 Z TK, hard tire5BP003035851
4Nut PT M20-2.50 C6 TK Z, air tire5BP0005507
1Chain rod 90”; GM21905BP016733352
1Chain rod 110”; GM21095BP0267333
1Cotter pin Ø4x255BP004415653
-Chain 5BP004415854
1Spacer, outer5BP000655856
1Support, front roller; #BC…847881 & below5BP000962257
1Support, front roller; #BC…847882 & above5BP0067354
1Front roller Ø3”5BP006735858
1Roller pin; #BC…847881 & below5BP006736359
1Roller pin; #BC…847882 & above5BP0067365
8Spacer ¼”5BP006731160
2Bolt HH M10-1.50x150 C8.8 Z F5BP006706461
2Nut ES M10-1.50 Z TK5BP001410662
2Nut ES M10-1.50 Z TN5BP001523763
1Nut PT M12-1.75 C6 Z TK5BP003006464
1Bolt HH M12-1.75x90 C8.8 Z P5BP001512265
1Spacer 5BP006728666
1Bolt HH M08-1.25x16 C8.8 Z F5BP004645467
1Nut PT M08-1.25 C6 Z TK5BP001132868
2Rear protection, side 90”; GM21905BP006738569
2Rear protection, side 110”; GM21095BP0067388
2Rear protection, center 90”; GM21905BP006738470
2Rear protection, center 110”; GM21095BP0067387
1Mower safety decal set5BP503885B
1Decal “DANGER - Avoid injury from PTO”5BP950109B
1Decal “CAUTION - To avoid serious injury”5BP950111B
2Decal “DANGER - Rotating blades; Thrown objects”5BP950818B
1Decal “WARNING - Falling off”5BP950406B
1Decal “WARNING - Crushing and pinching hazard”5BP950407B
2Decal, red reflective5BP950366B
1Decal, yellow reflective5BP950405B
1Decal “Frontier”5BP950346B
1Decal “GM2190”5BP950403B
1Decal “GM2109”5BP950404B
1Manual holder w/hardware5BP503853B
1Operator’s & Parts Manual “GM2190 & GM2109”5BP971379B
16
spacer (5BP0067412).
P
10/2010
When replacing wheel you should also order two (2) outer wheel spacers (5BP0067414) and one (1) inner wheel
ARTS MANUAL 41 FRONTIER
GROOMING MOWERS SPINDLE OPERATOR’S MANUAL
GM2190, GM2109
ARTS MANUAL 42 FRONTIER
P
10/2010
K
r
p
g
A
r
GROOMING MOWERS SPINDLE OPERATOR’S MANUAL
GM2190, GM2109
Qty.DescriptionPart #Ref.
2Pulley C/180x15BP00671741
3Grease fitting Ø8, press in5BP00290362
3Locking ring ES GUKM35-1.505BP00370983
1Pulley C/180x25BP00671734
5BP00671855
3Space
3Oil seal 45.65.105BP00010596
7
320075BP0044281
6Bearin
18Nut PT M12-1.75 C6 TKZ5BP00300648
indle5BP00442859
3S
12Bolt HH M12-1.75x40 C8.8 Z F5BP002326510
3Oil seal 42.65.105BP006719111
5BP006720212
3Spindle roto
3Key 8x10x355BP006718313
5BP006721414
6Nut CA M18-2.50 C5 Z T
6Blade 90”; GM21905BP004431815
6Blade 110”; GM21095BP0044598
6Bolt blade SP M18-2.50x485BP006721216
6Blade stop plate5BP004431717
3Spindle assembly5BP006720718
6Cotter pin Ø4x455BP005715819
6Bolt HH M12-1.75x50 C8.8 Z F5BP003005420
ARTS MANUAL 43 FRONTIER
P
10/2010
GROOMING MOWERS GEARBOX OPERATOR’S MANUAL
GM2190, GM2109
ARTS MANUAL 44 FRONTIER
P
10/2010
GROOMING MOWERS GEARBOX OPERATOR’S MANUAL
GM2190, GM2109
Qty.DescriptionPart #Ref.
1Oil seal 35.62.105BP00022954
1Bearing 302075BP0007172A5
1Input shaft 5BP00055566
1Shim Ø35x45x25BP00442237
1Ring gear5BP00442218
1Snap ring, outer Ø35 5BP00421229
1Bearing 303055BP004421710
1Breather cap5BP0001107A11
1Gasket5BP000669112
1Housing, gearbox 5BP000665813
-Gasket 2/105BP003019314
-Gasket 5/105BP0130193
1Cover, gearbox housing5BP000665615
6Bolt HH M10-1.50x20 C8.8 Z F5BP000634916
4Nut PT M12-1.75 C6 TK Z5BP003006417
1Support plate, gearbox5BP004418718
4Bolt CS M12-1.75x40 C10.9 Z F5BP007418319
1Pinion gear5BP004422220
2Bearing 62085BP0012149A21
1Spacer 5BP000668722
1Snap ring, inner Ø80 5BP000115423
2Shim Ø40x50x25BP005324824
2Snap ring, outer Ø405BP000813825
1Oil seal 40.80.105BP000668426
1Key 8x7x405BP004424427
1Pulley C/280x2; GM21905BP004425128
1Pulley C/250x2; GM21095BP0044593
1Washer flat Ø31 N5BP006603929
1Locking ring ES GUK M30-1.505BP003009530
Gearbox 540 rpm, complete5BP0500614
ARTS MANUAL 45 FRONTIER
P
10/2010
GROOMING MOWERS IMATCH/QUICK HITCH ADAPTER (OPTION)OPERATOR’S MANUAL
GM2190, GM2109
ARTS MANUAL 46 FRONTIER
P
08/2008
GROOMING MOWERS IMATCH/QUICK HITCH ADAPTER (OPTION)OPERATOR’S MANUAL
GM2190, GM2109
Qty.DescriptionPart #Ref.
1A-frame support5BP503816B1
1Floating top link5BP503817B2
2Floating yoke5BP503815B3
2Bolt HH M20-2.50x160 C8.8 Z P5BP503300B4
2Bolt HH M16-2.00x65 C8.8 Z F5BP00098845
1Bolt HH M16-2.00x110 C8.8 Z P5BP00703466
4Nut PT M16-2.00 C6 Z TK5BP00055817
2Nut PT M20-2.50 C6 Z TK5BP00055078
17
(GM21 only)5BP00672519
5BP000236510
5BP000558111
18
19
2Linking plate
4Bolt HH M16-2.00x50 C8.8 Z P
4Nut PT M16-2.00 C6 Z TK
1Bolt HH M16-2.00x150 C8.8 Z P20 (GM21 only)5BP000683412
1Manual FR QHA5BP960385B
17
18
Hitch Adapter kit.
19
Hitch Adapter kit.
20
P
08/2008
The linking plates come with the mower and are not part of the Quick Hitch Adapter kit.
The four (4) bolts (5BP0002365) and (4) nuts (5BP0005581) come with the mower and are not part of the Quick
The four (4) bolts (5BP0002365) and (4) nuts (5BP0005581) come with the mower and are not part of the Quick
This bolt (5BP0006891) comes with the mower and is not part of the Quick Hitch Adapter kit.
ARTS MANUAL 47 FRONTIER
GROOMING MOWERS DRIVELINE OPERATOR’S MANUAL
GM2190, GM2109; SERIAL #BC…847892 & BELOW
Qty.DescriptionPart #Ref.
2PTO yoke 5BP1024010C1
2Cross & bearing 5BP1004020C2
1Outer tube & yoke5BP1944070NC3
1Inner tube & yoke5BP1954072NC4
1Locking ring, outer tube; #BC…847892 & below5BP1784210C5
1Rigid cone, outer tube; #BC…847892 & below5BP1784201C6
1Standard cone (tractor end); #BC…847892 & below5BP1784203C7
2Pin; #BC…847892 & below5BP1784212C8
2Chain, anti-rotation5BP1006065C9
1Shield, outer tube5BP1773068C10
1Shield, inner tube5BP1872068C11
1Long cone (implement end); #BC…847892 & below5BP1784205C12
2Stiffening ring; #BC…847892 & below5BP1213233C13
1Rigid cone, inner tube; #BC…847892 & below5BP1784202C14
1Locking ring, inner tube; #BC…847892 & below5BP1784211C15
5BP90SL4068C16
21
1Shield, complete; #BC…847892 & below
1Decal “DANGER - Rotating driveline, keep away” outer shield5BP950463B17
1Decal “DANGER - Guard missing, do not operate” outer tube5BP950464B18
-Driveline, complete5BP0500416
21
PARTS MANUAL 48 FRONTIER
05/2008
Complete shielding is interchangeable with part # 5BP96SL4068C.
GROOMING MOWERS DRIVELINE OPERATOR’S MANUAL
GM2190, GM2109; SERIAL #BC…847893 & ABOVE
Qty.DescriptionPart #Ref.
2PTO yoke5BP1024010C1
2Cross & bearing 5BP1004020C2
1Outer tube & yoke5BP1944070NC3
1Inner tube & yoke5BP1954072NC4
1Locking ring, outer tube; #BC…847893 & above5BP1784710C5
2Stiffening ring; #BC…847893 & above5BP1211733C6
1Standard cone (tractor end); #BC…847893 & above5BP1781703C7
2Stop ring; #BC…847893 & above5BP1211735C8
2Safety sleeve; #BC…847893 & above5BP1881709C9
1Shield, outer tube5BP1773068C10
1Shield, inner tube5BP1872068C11
1Long cone (implement end); #BC…847893 & above5BP1781704C12
1Locking ring, inner tube; #BC…847893 & above5BP1784711C13
1Shield, complete5BP96SL4068C14
2Chain, anti-rotation5BP1006065C15
1Decal “DANGER - Rotating driveline, keep away” outer shield5BP950463B16
1Decal “DANGER - Guard missing, do not operate” outer tube5BP950464B17
-Driveline, complete5BP0500416
PARTS MANUAL 49 FRONTIER
05/2008
Use only original spare parts
All rights reserved. It is unlawful to copy, reprint or use any of the information or details in this manual
without the expressed written permission of the Company. Technical information provided in this
manual is approximate, the Company reserves the right to modify or improve the models shown for
technical or commercial purposes. Pictures in this manual do not necessarily show the machine as
delivered.
Frontier C70-090, 110 (US)
Printed in the USA, October 12, 2010
Manual 5BP971379B
Date 10/10/2010
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