John Deere GM2060, GM2072, GM2084 User Manual

O P E R A T O R ’ S M A N U A L

GROOMING MOWERS

GM2060
GM2072
GM2084

Manual 5BP960384B

Date 06/01/2009

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 - Model and Serial Number ID

51.03 - Assembly Instructions

7

72.01 - Preparation

82.02 - Starting and Stopping

82.03 - Messages and Signs

11

113.01 - Operational Safety

133.02 - Set Up

133.03 - Cutting Height Adjustment

143.04 - Pre-Operational Check

153.05 - Attaching to the Tractor

163.06 - Start Up

173.07 - Working Speed

173.08 - Operating Techniques

4 - MAINTENANCE

5 - REPAIR PROCEDURES

6 - TROUBLESHOOTING

193.09 - Uneven Terrain

193.10 - Removing Mower from the Tractor

193.11 - Transport

203.12 - Quick Hitch Adapter Assembly and Operation

23

234.01 - Maintenance Safety

244.02 - Service

254.03 - Blade Maintenance

274.04 - Belt Tension

284.05 - Belt Replacement

294.06 - Driveline

32

325.01 - Gearbox

325.02 - Blade Spindle

335.03 - Suggested Spare Parts

335.04 - Storage

34

7 - PRE-DELIVERY CHECKLIST

PARTS MANUAL

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NDEX

35

37

3 FRONTIER

1 - GENERAL

INFORMATION

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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

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. 4).

1.02 - 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.

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.

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ENERAL INFORMATION

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Your Authorized Company Dealer has genuine parts in stock. Only these approved
replacement parts should be used.

1.03 - Assembly Instructions

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.

3

4

Fig. 2

1

2

5

6

1. top hitch plate

2. inner spacer

3. bolt

4. top hitch arm

5. top hitch support

6. linking plate

7. lower hitch arm

8. front support plate

7

8

9

9. front roller

1. Unbolt the wheel arms from the side of the crate.

2. Remove the hardware bag secured to the top hitch arms.

3. IMPORTANT: Remove the belt shields to inspect around the belt area and

under the gearbox central plate to be sure the area is clear of packing material
such as blocks of wood, paper, etc.

4. Bolt the wheel arm assemblies to the mower deck with the flat washers Ø10 and
locknuts M10. There is no difference between left/right or front/rear. Be sure both
assemblies are securely mounted.

5. Assemble each wheel to the yokes with one bolt M14x150, one nut M14, one inner
bushing and two side spacers. Tighten down snugly. The wheel should turn freely
but have no side to side movement.

6. Replace the belt shields.

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ENERAL INFORMATION

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7. Bolt up the top hitch arms (see #4, fig. 2 & 3) to the outside of the rear support
plates (see #10, fig. 3) on the rear of the mower.

8. Bolt up the top hitch supports to the inside of the linking plates (see #6, fig, 2). Use
the top holes (see fig. 2).

9. Bolt up the top hitch plate (see #1, fig. 2 & 3) with the bolt M16x140 (see #3, fig. 2).
It should be bolted as follows: bolt, top hitch support, top hitch arm, top hitch plate,
spacer, top hitch arm, top hitch support, locknut M16. Tighten the locknut down

securely, the top hitch plate should be able to swivel 360° (see fig. 2).

10.Install the lower hitch arms (see #7, fig. 2) in the lower hole of the linking plates
(see #6, fig, 2). If assembled properly, the hitch plates will rest on the “thumb” of the

linking plate when down. Tighten the bolts holding the lower hitch arms. Be sure
they are able to swivel.

11.Grease wheels, wheel arms, and spindles. Check the gearbox for oil. It should be
approximately ½ filled.

12.Install driveline and ensure it 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 4.061 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 .

4

1

5

10

Fig. 3

1. top hitch plate

4. top hitch arm

5. top hitch support

10. rear support plate

1

procedures for shortening the driveline.

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See Section 4.06 - Driveline, for instructions on how to determine correct driveline length and

ENERAL INFORMATION

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2 -

SAFETY PRECAUTIONS

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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. 4).

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.

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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. 4).

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.

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Yellow reflective decal (7' deck only)

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Fig. 4 - Safety decals; replace immediately if d amaged.

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right side

left side

Red reflective decal

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Safety decals; replace immediately if damaged.

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10 FRONTIER

3 -

OPERATION

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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
GM2 series, for tractors up to 50 HP, come in working widths of 5’, 6’ and 7’. 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 GM2 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.

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Accidents 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!

22.Inspect the entire machine periodically2. Look for loose fasteners, worn or broken
parts, and leaky or loose fittings.

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See Chapter 4 - Maintenance.

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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 Checklist3 prior to delivering the mower.

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 .

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.

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.

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See Chapter 7 - Pre-Delivery Checklist.

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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” to 5”.

A front anti-scalping roller is also available upon request. This accessory is particularly
helpful when cutting over uneven terrain4.

Fig. 5

The cutting height is

adjusted by moving

the height adjustment

spacers on the wheel

yokes above or below

the wheel arm.

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 torqued5.

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.

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The GM2084 mower comes standard with the front anti-scalping roller.
See Table 1, page 31.

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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 20 to 50 HP equipped with a standard PTO
and category 1 three point hitch6. Never use this mower with tractors over 50 HP.

CAUTION: Check the tractor PTO rpm to ensure it is set at 540 and turns
clockwise.

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. 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.

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See Table 2, page 31.

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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.

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 starting7.

7. Checking to ensure that the cutting edge is the leading edge of the blade8.

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.

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See Section 4.03 - Blade Maintenance.
See Section 4.03 - Blade Maintenance.

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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.

The mulching kit is an option available for our mowers. This kit, containing 3 multilevel
cutting edge blades and add-on containment baffling which bolts to the underside of the
mower deck, mulches and pulverizes grass and leaves.
Another benefit of the mulching kit is safety. In fact, the kit greatly reduces the
possibility of thrown objects. This is particularly important when mowing around
schools, public parks and golf courses. If you are using a mulching kit, you need to
reduce your ground speed to under 2 mph (see fig. 6).

Fig. 6

The mulching kit is an available

option, consisting in 3

multilevel cutting edge blades

and add-on containment

baffling which bolts to the

underside of the mower deck,

to mulch and pulverize grass

and leaves.

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.

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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 sharp9.
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,
stop engine and allow the mower blades to come to a complete stop before
dismounting the tractor.

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See Sharpening Blades in Section 4.03 - Blade Maintenance.

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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 recommended for uneven ground contours. The roller
rides the nose of the mower over a mound to help keep the nose from bulldozing
or the blades 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 - 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.

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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.

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.

3.12 - Quick Hitch Adapter Assembly and Operation

Using a iMatch/Quick Hitch system: The GM20 series mowers can be used with a
Quick Hitch system, allowing for quick and easy hookup, by installing an optional
adapter. This 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.

Quick Hitch Adapter assembly (see fig. 7):

1. Remove lower hitch arms from grooming mower’s linking plates.

2. Remove bolt M16x140 on top of the three point hitch of the grooming mower.

3. Remove bolts M16x45 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 hex bolts M16x65 and the stover nuts M16. Install the floating
yokes in the same hole that the hitch pins were mounted. NOTE: When installing

the quick hitch adapter on the GM2084, the floating yokes need to be installed
on the opposite side than the other models. Install the left yoke on the right
side and the right yoke on the left side of the mower (see fig. 8).

5. For proper operation of the mower, ensure that the floating yokes are parallel to the
ground.

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6. Install the floating top link to the top hitch arms using the bolt M16x110 and the
stover nut M16.

7. Install the A-frame support to the floating top link using the same bolt M16x140 that
was previously removed from the top of the three point hitch of the grooming mower
and the stover nut M16.

8. Install the A-frame support to the floating yokes using the hex bolt M20x160 and the
stover nut M20.

9. Loosen the bolts M16x45 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 assembly.

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

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the mower is lifted after the driveline has been bent, it may also damage the
gearbox, mounting plates, and other hardware.

Fig. 8 - Quick Hitch Adapter floating yoke installation.

GM2084GM2060 & GM2072

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4 - MAINTENANCE

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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.

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14.Never replace hex bolts with less than grade five bolts unless otherwise specified,
i.e. shear bolts10.

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 blades11.

3. Also check blades for damage after hitting an obstruction.

4. Clean foreign material from mower deck and belt area.

Fig. 9 - Lubrication of wheel yokes and caster wheels.

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

10

11

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Refer to Table 1 - Torque Specifications, page 31.
See Section 4.03 - Blade Maintenance.

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amount to the wheel arm grease fittings (see fig. 9). See the driveline manufacturer
operator’s manual for further information on the driveline.

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 guide12.

Every 50 hours:

1. Lubricate the three spindles with two or three shots of multipurpose grease (see fig.

10). The top grease fittings are easily accessible from the top of the deck by simply

removing the plastic dust guards.

2. Check belt tension13.

Fig. 10

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.

Installing or removing blades

If the mower blades need to be installed, do the following:

12

13

See Table 1, Torque Specifications, page 31.
See Section 4.04 - Belt Tension.

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1. The blade turns in a counter clockwise direction when viewed from the bottom of
the deck. The cutting edge must be towards the direction of rotation. The lift wing of
the blades is closest to the deck and the cutting edge away from it (see fig. 11).

2. Install the cup washer (see fig. 11) over the blade bolt and secure the blade in place
as described above.

3. With a wrench, block the spindle and tighten the bolt to 103 lb. ft. (see fig. 12) .

4. To remove the blades reverse the procedure.

1

2

3

4

5

11

6

7

8

9

10

Fig. 11

1. grease fitting

2. hexagonal nut

3. pulley

4. rotor support

5. cover

7. blade

8. cup washer

9. blade bolt

10. cutting edge close to ground

11. lift wing

Ground

6. shaft

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.

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.

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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.

1

2

Fig. 12

3

1. spindle

2. blade

3. blade bolt

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

Fig. 13

The belt deflection should be

between 5/16"-3/8".

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Belt tension control

Check the belt tension (see fig. 13) 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”.

Belt tension adjustment

To adjust the tension do the following (see fig. 14):

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 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.

3

1

Fig. 14

2

1. adjustment bolt

2. gearbox support plate

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.

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 clockwise, pushing the gearbox support plate forward until

all tension is released (see fig. 14).

5. Loosen rear nuts holding central plate (do not remove them).

6. Remove front nuts holding central plate.

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7. Lift the front of the central plate and remove old belts.

8. Replace new belts (see fig. 15). 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 counter 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.

2

5

3

4

3

Fig. 15

1. drive pulley

2. central pulley

1

3. lateral pulleys

4. right belt

5. left belt

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. 16).

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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 1½” gap between the end of the guard tube
and bell guard.

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. 16

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.

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TABLE 1 - TORQUE SPECIFICATIONS

ASAE 3

rd

4-11”x4” AT

674 AT

ASAE 3

rd

4-11”x4” AT

584 AT

ASAE 3

rd

4-11”x4” AT

534 AT

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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 10.9Class 8.8Class 5.8

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 - GM2 GROOMING MOWERS - TECHNICAL FEATURES

Series GM2, Rear Discharge, for tractors up to 50 HP, PTO 540 rpm, 3 point hitch cat. 1

Working

HPModel

M

AINTENANCE

width

Overall

width

Weight

62”60”20-50GM2060

550 HT

74”72”20-50GM2072

600 HT

86”84”20-50GM2084

690 HT

lb.

Rotor

rpm/min

Blades

tip speed

ft/min

# of

blades

Cutting

height

# of belts

& type

2 SPBX1”-5”3169293210

2 SPBX1”-5”3167322605

2 SPBX1”-5”3163382195

# of wheels &

size

4-10”x3.2” HT

4-10”x3.2” HT

4-10”x3.2” HT

Driveline

1 3/8”

cat.

cat.

cat.

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5 - REPAIR PROCEDURES

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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. 14).

3. Loosen the nut and turn the bolt in order to push the gearbox forward and release
tension on the belts (see fig. 14) .

4. Remove the belts14.

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. 14).
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 belts15.

2. Remove the nut holding the pulley to the spindle shaft (see fig. 11).

3. Remove the blades16.

4. Unbolt the bolts holding the rotor support to the mower deck.

5. If necessary remove and replace the bearings from the rotor using presses or
extractors.

6. Reassemble in reverse order ensuring that the nut securing the top pulley (see

fig. 11) is tightened to 118 lb.ft.

14

15

16

See Section 4.05 - Belt Replacement.
See Section 4.05 - Belt Replacement.
See Section 4.03 - Blade Maintenance.

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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

3Blades
3Blade bolts
3Washers
2Belts

5.04 - Storage

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 Maintenance17.

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.

17

R

See Chapter 4 - Maintenance.

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6 - TROUBLESHOOTING

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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.

Cup washer not between
blade and bolt.
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.

Check washer location at all 3
spindles.
Shift to lower gear.
Sharpen blades.
Adjust wheel position.

Blade should turn CCW 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.

Belts are tight when
installing.

Streaking conditions
in swath.

Wrong belt size.
Installed belts incorrectly.

Too wet to mow.
Blades cannot cut grass
pressed down by wheels.
Dull blades.

Blades worn down, preventing
overlap.

Cut grass windrows.

Ground speed too low.
Tractor rpm too slow.

T

ROUBLESHOOTING

Check belt size.
See Replacing Belts section.

Allow grass to dry.
Maintain engine speed and shift
to lower gear.
Sharpen blade. See Blades
Maintenance section.
Change blades.

Increase ground speed.
Increase tractor rpm, check
engine and PTO speeds.

34 FRONTIER

7 - PRE-DELIVERY CHECKLIST

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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. 4).
 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-D

ELIVERY CHECKLIST

35 FRONTIER

GROOMING MOWERS

GM2060
GM2072
GM2084

P A R T S M A 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 C48-RD5, RD6, RD7 (US)
Printed on June 9, 2009

Parts Manual 05/2009

C48-RD5, RD6, RD7 Ver. N

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Qty.DescriptionPart #Ref.

1Frame GM2060 rear discharge 5BP02202601
1Frame GM2072 rear discharge 5BP0320260
1Frame GM2084 rear discharge 5BP0420260
8Cap GM2060 & GM20725BP00515702
4Cap GM20845BP0051570
2Belt shield GM20605BP02069893
2Belt shield GM20725BP0306989
2Belt shield GM20845BP0406989
1Central plate GM20605BP00068754
1Central plate GM20725BP0006913
1Central plate GM20845BP0006814
4Cap5BP00066475
1Bolt TE M12x1005BP00065476
2Side rear protection GM20605BP00204117
2Side rear protection GM20725BP0020412
2Side rear protection GM20845BP0020413
2Central rear protection5BP00204158
2Bolt TE M10x1205BP00069439
6Locking nut M105BP001410610
6Flat washer Ø105BP003015711
2Locking nut M105BP001523712
10Flat washer Ø105BP000203413
4Bolt TE M10x255BP0033176 14

-Nut M105BP0030156 15
3Lock washer Ø105BP000128016
3Nut M105BP000127917

-Bolt TE M10x205BP000634918
1Cotter pin Ø4x255BP004415619
50Chain GM20605BP000676420
61Chain GM20725BP0006764
71Chain GM20845BP0006764
1Chain rod GM20605BP020676221
1Chain rod GM20725BP0306762
1Chain rod GM20845BP0406762
1Gearbox support plate 5BP000654122
4Bolt TSPEI M12x405BP007418323
4Nut M125BP003006424
2Nut M125BP000110625

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Qty.DescriptionPart #Ref.

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
2Red reflective decal5BP950366B
1Yellow reflective decal5BP950405B
1Decal “Frontier”5BP950346B
1Decal “GM2060”5BP950400B
1Decal “GM2072”5BP950401B
1Decal “GM2084”5BP950402B
1Manual holder w/hardware5BP503853B
1Operator’s & Parts Manual “GM2060, GM2072 & GM2084”5BP960384B

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HREE POINT HITCH

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HEEL ARMS

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5BP0006967

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HREE POINT HITCH

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HEEL ARMS

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Qty.DescriptionPart #Ref.

2Top hitch support GM2060 & GM20725BP00068221
2Top hitch support GM20845BP0006823
2Top hitch arm GM20605BP02065702
2Top hitch arm GM20725BP0306570
2Top hitch arm GM20845BP0006821
1Spacer5BP00068293
1Upper plate 5BP00068284
1Bolt TE M16x1405BP00068915

-Nut M165BP00055816
4Bolt TE M16x455BP00065787
4Bolt TE M16x505BP00023658

-Bolt TE M16x555BP00332189
2Hitch block5BP000657310
2Lynch pin5BP001826611
4Lower hitch arm GM20845BP000682612
4Spacer GM20845BP000682713
2Pin GM20845BP003834614
2Cotter pin GM20845BP003236615
2Chain5BP000850616
2Linking plate GM2060 & GM20725BP000654017
2Linking plate GM20845BP000685418
4Wheel yoke5BP000694619
4Cotter pin5BP000878320
4Inner spacer5BP000658421
8Hard tire outer wheel spacer5BP000658522
8Air tire outer wheel spacer; #BC…848686 & above5BP0006972
4Hard tire5BP0006923Y23
4Air tire 11”; #BC…848685 & below
4Air tire 11”; #BC…848686 & above5BP0006964
4Bolt TE M14x1505BP000661924
4Nut M145BP003035825
2Wheel arm GM20605BP022043026
2Wheel arm GM20725BP0320430
2Wheel arm GM20845BP0420430
4Grease fitting5BP000106527
12Spacer 1”5BP000658628
4Spacer ½”5BP000658729
8Spacer ¼”5BP000658930
6Flat washer Ø105BP005177631
6Bolt TE M10x905BP002618532
6Flat washer Ø105BP000203439
6Lock washer Ø105BP000128040
6Nut M105BP000127941

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also order two (2) outer wheel spacers (5BP0006972) when replacing wheel.

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10/2007

Wheel no longer available, part # 5BP0006964 should be ordered instead. Serial # BC…848685 and below must

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RANSMISSION

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PINDLE

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2

Belt

5VX710

GM2060

5BP0006693

4

2

Pulley SPB 130x1

GM2060

5BP0006622

1

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PINDLE

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Qty.DescriptionPart #Ref.

2Pulley SPB 160x1 GM20725BP0006842
2Pulley SPB 190x1 GM20845BP0006862
1Pulley SPB 130x2 GM20605BP00066212
1Pulley SPB 160x2 GM20725BP0006841
1Pulley SPB 190x2 GM20845BP0006861
1Pulley SPB 250x25BP00066923

2Belt 5VX850 GM20725BP0006848
2Belt 5VX1000 GM20845BP0006694
3Nut M255BP00066985
3Grease fitting 5BP00290366
12Nut M105BP00301567
12Bolt TE M10x305BP00012788
3Blade bolt PGF5BP00066599
3Disc spring 5BP000856010
3Standard blade GM20605BP000664111
3Standard blade GM20725BP0006845
3Standard blade GM20845BP0006690
3Mulching blade GM2060 (option)5BP0006641M
3Mulching blade GM2072 (option) 5BP0006845M
3Mulching blade GM2084 (option) 5BP0006690M
3High Lift blade GM2060 (option) 5BP0006641B
3High Lift blade GM2072 (option) 5BP0006845B
3High Lift blade GM2084 (option) 5BP0006690B
3Flat blade GM2060 (option) 5BP0006641F
3Flat blade GM2072 (option) 5BP0006845F
3Flat blade GM2084 (option) 5BP0006690F
3Gator blade GM2060 (option) 5BP0006641G
3Gator blade GM2072 (option) 5BP0006845G
3Gator blade GM2084 (option)5BP0006690G
3Spindle shaft5BP000664912
3Key 8x7x255BP000663913
3Cover5BP000663614
3Spacer washer 5BP000660615
3Bearing 6205-ZZ5BP0006626A16
3Spindle5BP000664817
3Spacer5BP000664018
3Bearing 6205-Z5BP0006634A19

-Spindle assembly 5BP000662920

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CCESSORIES

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Qty.DescriptionPart #Ref.

6Nut M125BP000303811
1Front roller 5BP006735817
1Front roller support; serial #BC…847683 & below5BP000962218
1Front roller support; serial #BC…847684 & above5BP0067354
1Roller pin; serial #BC…847683 & below5BP006736319
1Roller pin; serial #BC…847684 & above5BP0067365
2Flat washer Ø165BP000856820
1Bolt TE M8x165BP004645421
1Nut M85BP001132822

-Bolt TE M10x205BP000634923
4Flat washer Ø105BP000203424

-Nut M105BP003015625
2Bolt TE M10x355BP009128126

-Flat washer Ø105BP003015727
1Baffling GM20605BP000678328
1Baffling GM20725BP0006784
1Baffling GM20845BP0006801
1Baffling GM20605BP000677729
1Baffling GM20725BP0006778
1Baffling GM20845BP0006806
2Guard support GM20725BP000678030
2Guard support GM20845BP0006865
3Mulching blade GM20605BP0006641M31
3Mulching blade GM20725BP0006845M
3Mulching blade GM20845BP0006690M

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ROOMING MOWER IMATCH/QUICK HITCH ADAPTER

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ROOMING MOWER IMATCH/QUICK HITCH ADAPTER

5BP00065409
5BP0006854
5BP000236510
5BP000558111
5BP000689112

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Qty.DescriptionPart #Ref.

1A-frame support5BP503816B1
1Floating top link5BP503817B2
2Floating yoke5BP503815B3
2Bolt M20x1605BP503300B4
2Bolt M16x655BP00098845
1Bolt M16x1105BP00703466
4Stover nut M165BP00055817
2Stover nut M205BP00055078
2Linking plate
2Linking plate GM2084 only
4Bolt TE M16x50
4Nut M16
1Bolt TE M16x140

-Quick Hitch Adapter, complete5BP002800
1GM2 Quick Hitch Adapter assembly manual5BP971214B

19

20

21

Hitch Adapter kit.

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Hitch Adapter kit.

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08/2008

The linking plates come with the mower and are not part of the Quick Hitch Adapter kit.
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.

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EARBOX

540

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EARBOX

540

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Qty.DescriptionPart #Ref.

1Pinion Gear5BP00584791
2Bearing 62085BP00121492
1Spacer5BP00066873
1Inner snap ring Ø80 5BP00011544
1Spacer washer 5BP00066855
1Outer snap ring Ø40 5BP00081386
1Oil seal 40.80.105BP00066847
1Nut M255BP00066988
1Oil seal 35.62.105BP00022959
1Bearing 62075BP002533210
1Input shaft5BP005846411
1Key 8x7x305BP000668912
1Gasket 5BP000669113
1Bearing 302065BP005847214
1Pulley SPB 250x25BP000669215
1Breather cap5BP0001107A16
1Gear cover5BP000665617
1Ring gear5BP005847718
4Nut M125BP003006419
1Gearbox support plate5BP000654120
1Gearbox housing5BP0006998 21
4Bolt TSPEI M12x405BP007418322
6Bolt TE M10x205BP000634923

-Gasket (0.012)5BP003019324

-Gasket (0.028)5BP0130193

-Gearbox complete5BP0500680

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ERIAL

#XF…277830 &

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RIVELINE

BELOW

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5BP90SL4053C16
5BP90SL4068C

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ERIAL

#XF…277830 &

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RIVELINE

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BELOW

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Qty.DescriptionPart #Ref.

2PTO yoke5BP1023010C1
2Cross and bearing5BP1003020C2
1Outer tube GM20605BP1943055NC3
1Outer tube GM2072, GM20845BP1943070NC
1Inner tube GM20605BP1953057NC4
1Inner tube GM2072, GM20845BP1953072NC
1Outer locking ring; #XF…277830 & below5BP1784210C5
1Outer tube rigid cone; #XF…277830 & below5BP1784201C6
1Standard cone (tractor end); #XF…277830 & below5BP1784203C7
2Pin; #XXX & below5BP1784212C8
2Chain5BP1006065C9
1Female tube shield GM20605BP1773053C10
1Female tube shield GM2072, GM20845BP1773068C
1Male tube shield GM20605BP1872053C11
1Male tube shield GM2072, GM20845BP1872068C
1Long cone (implement end); #XF…277830 & below5BP1784205C12
2Stiffening ring; #XF…277830 & below5BP1213233C13
1Inner tube rigid cone; #XF…277830 & below5BP1784202C14
1Inner locking ring; #XF…277830 & below5BP1784211C15
1Complete shielding GM2060

25

1Complete shielding GM2072, GM2084
1Decal “DANGER - Rotating driveline, keep away” outer shield5BP950463B17
1Decal “DANGER - Guard missing, do not operate” outer tube5BP950464B18

-Driveline complete GM20605BP0500414

-Driveline complete GM2072, GM20845BP0500415

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25

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05/2009

Complete shielding is interchangeable with part #5BP96SL4053C.
Complete shielding is interchangeable with part #5BP96SL4068C.

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ERIAL

#XF…277831 &

D

RIVELINE

ABOVE

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ERIAL

#XF…277831 &

D

RIVELINE

ABOVE

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Qty.DescriptionPart #Ref.

2PTO yoke5BP1023010C1
2Cross and bearing5BP1003020C2
1Outer tube GM20605BP1943055NC3
1Outer tube GM2072, GM20845BP1943070NC
1Inner tube GM20605BP1953057NC4
1Inner tube GM2072, GM20845BP1953072NC
1Outer tube bearing; #XF…277831 & above5BP1784710C5
2Stiffening ring; #XF…277831 & above5BP1211733C6
1Standard cone (tractor end); #XF…277831 & above5BP1781703C7
2Safety ring; #XF…277831 & above5BP1211735C8
2Safety sleeve; #XF…277831 & above5BP1881709C9
1Female tube shield GM20605BP1773053C10
1Female tube shield GM2072, GM20845BP1773068C
1Male tube shield GM20605BP1872053C11
1Male tube shield GM2072, GM20845BP1872068C
1Long cone (implement end); #XF…277831 & above5BP1781704C12
1Inner tube bearing; #XF…277831 & above5BP1784711C13
1Complete shielding GM20605BP96SL4053C14
1Complete shielding GM2072, GM20845BP96SL4068C
2Chain5BP1006065C15
1Decal “DANGER - Rotating driveline, keep away” outer shield5BP950463B16
1Decal “DANGER - Guard missing, do not operate” outer tube5BP950464B17

-Driveline complete GM20605BP0500414

-Driveline complete GM2072, GM20845BP0500415

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.

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.

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Frontier C48-RD5, RD6, RD7 (US)

Printed in the USA, June 9, 2009

Manual 5BP960384B

Date 06/01/2009