Textron JACOBSEN RC466 Setup guide

WARNING: If incorrectly used this machine can cause severe injury. Those who use
and maintain this machine should be trained in its proper use, warned of its dangers
and should read the entire manual before attempting to set up, operate, adjust or
service the machine.
OWNER/OPERATOR’S MANUAL
& ILLUSTRATED PARTS LIST
09-408 REV B
MODEL:
73-71010 ROUGH CUT MOWER RC466

CALIFORNIA
Proposition 65 Warning
Diesel engine exhaust and some of
its constituents are known to the State
of California to cause cancer, birth
defects and other reproductive harm.
Californie Proposition 65
Avertissement
Les échappements des moteurs diesel
et certains de leurs composés sont
reconnus par l’Etat de Californie pour
être cancérigènes, provoquer des
défauts congénitaux et d’autres dangers
en matière de reproduction.
ADVERTENCIA
AVERTISSEMENT
WARNING
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
California Advertencia
de la Proposicion 65
El estado de California hace saber que
los gases de escape de los motores
diesel y algunos de sus componentes
producen cáncer, defectos de
nacimiento y otros daños en el
proceso de reproducción humana.
L’ é mission du moteur de ce mat é riel
contient des produits chimiques que
l’Etat de Californie consid è re ê tre
canc é rig è nes, provoquer des d é fauts
cong é nitaux et d’autres dangers en
mati è re de reproduction.
El estado de California hace saber
que los gases de escape de este
producto contienen productos
quÍmicos que producen cáncer,
defectos de nacimiento y otros daños
en el proceso de reproducción
humana.
© 2003, TEXTRON INC

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IMPORTANTMESSAGE
Thank you for purchasing this Jacobsen product. You have purchased a world class product, one of the best
designed and built anywhere.
This product comes with an Owner/Operator's Manual. The useful life and good service you receive from this
product depends to a large extent on how well you read and understand this manual. Treat this product properly
and adjust it as instructed, and it will give you many years of reliable service.
See a Jacobsen dealer for any service or parts needed. Jacobsen service ensures that you continue to receive
the best results possible from Jacobsen products. You can trust Jacobsen replacement parts because they are
manufactured with the same high precision and quality as the original parts.
Jacobsen designs and builds its equipment to serve many years in a safe and productive manner. For longest
life, use this product only as directed in the manual, keep it in good repair and follow safety warnings and
instructions. You'll always be glad you did.
Jacobsen, a Textron Company
One Bob Cat Lane
Johnson Creek, WI 53038-0469
8-2004
TABLE OF CONTENTS FIGURES PAGE
DESCRIPTION / SPECIFICATIONS .............................................................................................................. 2
SAFETY ...................................................................................................................................................... 3-6
DECALS......................................................................................................................................................... 7
INSTALLATION .......................................................................................................................................... 8, 9
OPERATION ................................................................................................................................................ 10
SERVICE ................................................................................................................................................ 11-13
MAIN FRAME..................................................... FIGURE 1 ................................................................. 14, 15
PTO & DRIVE SHAFTS ..................................... FIGURE 2 ................................................................. 16, 17
SPINDLE ASSY & DRIVE BELTS ...................... FIGURE 3 ................................................................. 18, 19
DECK ASSY & SHIELDS ................................... FIGURE 4 ................................................................. 20, 21
DECALS............................................................. FIGURE 5 ................................................................. 22, 23

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DESCRIPTION / SPECIFICATIONS
SPECIFICATIONS
Overall Width .........................................................................70"
Caster Wheels .......................................................................13 X 5.00 - 6 foam filled (flat proof)
Mower Drive...........................................................................PTO Belt
Spindles .................................................................................Four cast iron housings, ball bearings
Cutting Width .........................................................................66", offset 16" to right
Cutting Height ........................................................................3-1/2" to 5-1/2"
Blades ....................................................................................Replaceable swinging blades on disc rotors
Discharge...............................................................................Rear
Weight....................................................................................550 lbs.
DESCRIPTION
The RC466 Rough Cut Mower will cut through tall, dense growth and 1" woody stems. Free-swinging
blades on discs all but eliminate shock load to the four spindles. Chains at the front opening allow
unrestricted access for tall growth. Counter rotating disc blades move material freely to the rear discharge.
Mounted on the front lift, this mower cuts the growth before it is pressed down by the tractor, and offers
excellent visibility to your work.

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SAFETY
NOTICE !!!
Unauthorized modifications may present extreme
safety hazards to operators and bystanders and
could also result in product damage.
Jacobsen, a Textron Company strongly warns
against, rejects and disclaims any modifications,
add-on accessories or product alterations that are
not designed, developed, tested and approved by
Jacobsen Engineering Department. Any Jacobsen
product that is altered, modified or changed in any
manner not specifically authorized after original
manufacture–includingtheadditionof“after-market”
accessories or component parts not specifically
approved by Jacobsen–will result in the Jacobsen
Warranty being voided.
Anyandallliabilityforpersonalinjuryand/orproperty
damagecausedbyanyunauthorizedmodifications,
add-on accessories or products not approved by
Jacobsen will be considered the responsibility of
the individual(s) or company designing and/or
making such changes. Jacobsen will vigorously
pursuefull indemnificationandcosts fromany party
responsibleforsuchunauthorizedpost-manufacture
modifications and/or accessories should personal
injury and/or property damage result.
This symbol means:
ATTENTION!
BECOME ALERT!
Your safety and the safety of others is involved.
Signal word definitions:
The signal words below are used to identify levels
of hazard seriousness. These words appear in this
manual and on the safety labels attached to
Jacobsenmachines.Foryoursafetyand the safety
ofothers,readandfollowtheinformationgivenwith
thesesignalwordsand/orthesymbolshownabove.
DANGER indicates an imminently hazardous
situationwhich, ifnot avoided,WILL result indeath
or serious injury.
WARNING indicates a potentially hazardous
situation which, if not avoided, COULD result in
death or serious injury.
CAUTION indicates a potentially hazardous
situation which, if not avoided, MAY result in minor
or moderate injury. It may also be used to alert
against unsafe practices or property damage.
CAUTION used without the safety alert symbol
indicates a potentially hazardous situation which, if
not avoided, MAY result in property damage
MODEL NUMBER: This number appears on
sales literature, technical manuals and price
lists.
SERIAL NUMBER: This number appears only
on your mower. It contains the model number
followed consecutively by the serial number.
Use this number when ordering parts or seeking
warranty information.

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SAFETY
GENERALSAFETY
• Read and understand the owner’s manual,
before attempting to operate this machine.
• Operate all controls from the operator’s
seat, (if so equipped). NO RIDERS.
• Keep all shields in place and safety
switches adjusted properly.
• Do not leave equipment unattended. STOP
the engine and remove the key (if so
equipped).
• Do not allow minors or the inexperienced to
operate this machine.
• Never allow anyone to operate or service
this machine while under the influence of
alcohol or drugs.
• Keep people and pets a safe distance away
from machines using power driven
attachments. Injury could result from flying
debris.
• Wear all the necessary protective clothing
and personal safety devices to protect your
head, eyes, ears, hands, and feet.
• Operate the machine only in daylight or in
good artificial light.

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SAFETY
SAFE OPERATION PRACTICES FOR
MOWERS
This cutting machine is capable of amputating
hands and feet and throwing objects. Failure to
observe the following safety instructions could
result in serious injury or death.
I GENERAL OPERATION
1. Read, understand, and follow all instructions in
the manual and on the machine before starting.
2. Only allow responsible adults, who are familiar
with the instructions, to operate the machine.
3. Clear the area of objects such as rocks, toys ,
wire, etc., which could be picked up and thrown
by the blade.
4. Be sure the area is clear of other people before
mowing. Stop the machine if anyone enters the
area.
5. Never carry passengers.
6. Do not mow in reverse unless absolutely
necessary. Always look down and behind
before and while backing.
7. Slow down before turning.
8. Never leave a running machine unattended.
Always turn off blades, set parking brake, stop
engine, and remove keys before dismounting.
9. Turn off blades when not mowing.
10. Stop engine before unclogging or cleaning
under deck.
11. Mow only in good light, keeping away from
holes and hidden hazards.
12. Do not operate the machine while under the
influence of alcohol or drugs.
13. Watch for traffic when operating near or
crossing roadways.
14. Use extra care when loading or unloading the
machine into a trailer or truck.
15. Always wear safety goggles or safety glasses
with side shields when operating mower.
II SLOPE OPERATION
Slopes are a major factor related to
loss-of-control and tip-over accidents, which can
result in severe injury or death. All slopes
require extra caution. If you feel uneasy on it, do
not mow it.
DO:
• Mow up and down slopes where possible.
• Remove obstacles such as rocks, tree limbs,
etc.
• Watch for holes, ruts, or bumps. Uneven terrain
could overturn the machine. Tall grass can hide
obstacles.
• Use slow speed (low range). Do not attempt to
shift while on the slope.
• Follow the manufacturers recommendations for
wheel weights or counterweights to improve
stability.
• Keep all movement on the slope slow and
gradual. Do not make sudden changes in
speed or direction.
• Avoid stopping or starting on a slope. If tires
lose traction, disengage the blades and proceed
slowly straight down the slope.

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SAFETY
DO NOT:
• Do not turn on slopes unless necessary, and
then, turn slowly and gradually downhill, if
possible.
• Do not mow drop-offs, ditches, or
embankments. The mower could suddenly turn
over if a wheel is over the edge of a cliff or
ditch, or if an edge caves in.
• Do not mow on wet grass. Reduced traction
could cause sliding.
• Do not try to stabilize the machine by putting
your foot on the ground.
III CHILDREN
Tragic accidents can occur if the operator is not
alert to the presence of children. Children are
often attracted to the machine and the mowing
activity. Never assume that children will remain
where you last saw them.
1. Keep children out of the mowing area and under
the watchful eye of another responsible adult.
2. Be alert and turn machine off if children enter
the area.
3. Before and when backing, look behind and
down for small children.
4. Never carry children as passengers, even with
the blades turned off. They may suddenly fall
off and be seriously injured or interfere with safe
machine operation.
5. Never allow children to operate the machine.
6. Use extra care when approaching blind corners,
shrubs, trees, or other objects that may obscure
vision.
IV SERVICE
1. Use extra care in handling gasoline and other
fuels. They are flammable and the vapors are
explosive.
a. Use only an approved container.
b. Never remove gas cap or add fuel with
engine running. Allow engine to cool before
refueling. Do not smoke.
c. Never refuel or drain the machine indoors.
d. Never store the machine or fuel container
inside where there is an open flame, such
as in a water heater.
2. Never run the machine in a closed area.
3. Keep nuts and bolts, especially blade
attachment bolts, tight and keep equipment in
good condition.
4. Never tamper with safety devices. Check their
proper operation regularly.
5. Keep machine free of grass, leaves, and other
debris build-up. Clean up oil or fuel spillage.
Allow machine to cool before storing.
6. Stop and inspect the equipment if you strike an
object. Repair, if necessary, before restarting.
7. Never make adjustments or repairs with the
engine running.
8. Frequently check components and replace with
manufacturer’s recommended parts, when
necessary.
9. Mower blades are sharp and can cut. Wrap the
blade(s) or wear gloves, and use extra caution
when servicing them.

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DECALS
Location: On mower drive line shield.
Location: On drive belt shield.
Location: On mower deck right rear.
Location: On mower deck top front center and
both sides.
Location: On mower deck top left and right
shields.

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INSTALLATION
ATTACHING MOWER TO TRACTOR:
- Operate latch control to open hitch latches.
- Drive tractor into position aligning the quick hitch.
- Be sure both latches engage fully and and are placed in the locked position.
-Stop engine! Do not attempt to install drive belt with engine running.
- Release idler assembly to facilitate easy installation of the drive belt.
- Put belt over drive pulleys and engage or adjust idler assembly.
(See Power Unit Operator’s Manual for PTO belt tension adjustments.)
- Move hitch stand to transport position. Set mower to desired cutting height.
- Start engine and engage PTO slowly to prevent shock load on mower components.
- Mow with front lift lever in “FLOAT” position only.
LEDOMTINUREWOP TLEBEVIRD
032/022 LESEID032 040A-18 140B-18
TONSITINUSIHT(014 )DEDNEMMOCER
034/024040A-18
524140B-18
525140B-18
DRIVE BELT CHART

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INSTALLATION
REAR WEIGHT REQUIREMENTS
The table of requirements for rear weights is based upon average mowing conditions and operator’s weight
of 150 lbs. The recommendations may vary with the weight of the operator, other accessories, and the
mowing conditions. It is the operator’s responsibility to determine the correct amount of weight needed to
improve stability. All weights must be removed when the mower is removed.
LEDOMTINUREWOP KCEDTUCHGUOR
032/022 LESEID032 STHGIEW2
TONSITINUSIHT(014 )DEDNEMMOCER
034/024STHGIEW6
524STHGIEW4
*525STHGIEW4
* IF EQUIPPED WITH A CB525 CAB, NO WEIGHTS ARE REQUIRED.

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OPERATION
OPERATINGPRECAUTIONS
Observe all Safety Decals.
Keep all Shields in place.
Do not operate mower with other persons in the area. Irregularities in ground
surface can permit foreign material to be propelled from beneath deck to
cause serious injury or death.
Before leaving tractor, move Forward - Reverse control to neutral position,
disengage PTO, set parking brake, lower mower deck and stop engine.
Remove key from ignition if maintenance procedures are to be performed or
tractor is to be left unattended.
OPERATING INSTRUCTIONS
Set mower cutting height. There are two levers G
to adjust. It is recommended that both levers are
moved to the same position as shown.
Cutting Height:
Lowest position = Approximately 3-1/2 inches
Center position = Approximately 4-1/2 inches
Highest position = Approximately 5-1/2 inches
Mow with front lift lever in “FLOAT” position only.
Engage PTO slowly at low engine rpm. Mower is
designed to operate at full throttle for heavy
mowing.
Set mower blade speed with the throttle and
control ground speed with the Forward - Reverse
control.
Use caution when operating on hills or slopes.
Mow up and down hills or slopes whenever
possible.
Use slow forward speed and extreme care when
mowing dense tall growth and/or woody stems for
the first time. Be aware of hidden obstacles, such
as rocks or other debris, that could damage the
mower.
Do not operate mower with blades missing. This
causes an imbalance and may damage deck or
components.
Mower Height adjustment levers.

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SERVICE
MAINTENANCE
Daily maintenance:
- Visual inspection for loose parts and
accumulation of grass and dirt.
- Clean accumulation of grass clippings from
beneath deck daily for better mowing
performance.
- Check 1/4" cap screwsonpulley bushings
and spindle disks. On the spindle disk
bushings, 277 red Loctite or equivalent
should be used if the bolts are loose or are
removed and re-installed. Torque should
be 8-10 foot pounds. Tighten these cap
screws in alternating sequence 10-12 times
to assure equal torque on all cap screws.
- Keep blades sharp. Check the tips of the
blades for wear.
- Check all blade mounting bolts for wear and
all blades for wear at the attaching holes. If
blades are removed, use 277 red Loctite or
equivelant on the attaching bolts upon re-
assembly and torque to 95 ft. lbs.
NOTE: If blade attaching holes become worn the
blades may strike the deck edges or
another blade on the next spindle.
25 hour maintenance:
- In addition to daily maintenance, grease all
spindles A (4 places), u-joints B (3 places),
idlers C, pivot points D, bearings Eand
casters F (2 places).
- Check spindle drive belts for proper tension.
See Drive Belt Installation on Page 8.
Annual Maintenance:
- In addition to daily and 25 hour
maintenance, remove the drive belts and
check for cracks or wear. Rotate each
spindle to check for roughness which would
indicate bearing wear. Remove and
sharpen blades, clean and wash deck prior
to storage. The acid in grass clippings
causes premature corrosion and rusting of
mower parts.
NOTE: It is necessary to remove the drive shaft
shield and drive pulley shield to lubricate the
drive line.

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SERVICE
ADJUSTMENTS
Sharpening blades:
Be careful while sharpening blades that the corners
of the blade do not become rounded at the tips.
This reduces the blades overlap and will cause
skipping. Blades are reversible for extended wear.
Simply flip over to use a new cutting edge.
When installing new or sharpened blades be certain
to replace right blades and left blades on the
proper spindles. Blades are marked with an arrow
to show proper rotation. When installed correctly
this arrow is toward the top.
NOTE: Another arrow is visible when viewed from
beneath the deck but points in the wrong direction,
since arrows are imprinted on both sides of the
reversible blades as shown. Check the mating
surfaces and the attaching hardware for wear or
damage. Replace any worn or damaged parts.
These photos show the correct installation of right
blades on a clockwise rotating spindle as viewed
from the top.
The front two spindles rotate counterclockwise and
the rear two spindles rotate clockwise.
NOTE: Disk has been removed and arrows
enhanced to show arrow location.
LEVELING MOWER DECK
With deck mounted on the tractor, the front to rear leveling adjustment is provided by slots where the
support chains are attached to the deck. This allows each side to be adjusted independently. Check the
blade level with mower resting on a level floor and the cutting height set at center setting, (about 4-1/2").
Measure at left spindle to the disk blade mounting area at the rear, then rotate disk 180 degrees and
measure again to the disk blade mounting area at the front. The height should be equal or 1/8 inch lower
at the front. Change adjustment in the left slots as required and measure again until proper setting is
reached. Repeat procedure for spindle at right end of the deck and adjust right slots. Cutting height from
right to left side should not vary more than 1/4 inch. Side to side leveling is done with the adjustment pivot
tie rods. (See Fig. 1, Items 14 and 16 of Parts Section) Disconnect a tie rod end and lengthen or shorten
rod as needed to bring the side to side leveling to within the 1/4 inch range.

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SERVICE
1. Raise deck to the highest cutting height and
remove top shields.
2. Remove drive shaft shield. Remove the front
u-joint from the drive shaft and slide it back.
3. Remove springs from the A1 and B1 spring
loaded idlers.
4. Remove the belt that drives the front spindles.
5. Remove the belt that drives the rear spindles.
6. Refer to the illustration below and start installing
the rear spindle drive belt. Loop the belt around
the right rear spindle and place it in the bottom
groove of the triple groove pulley. Proceed to
the A3 fixed idler, then loop around the A4 fixed
idler. Proceed to the left rear spindle, then
around the A1 spring loaded idler. Make a final
loop around the drive pulley. Be sure the belt is
positioned on the front side of the A5 fixed idler
as shown. Do not connect spring until the
second belt is installed.
7. Replace the u-joint on the drive shaft and install
the drive shaft shield.
8. Refer to the illustration and install the front
spindle drive belt. This is a double sided belt
and does not have any twists in it.
9. Connect the spring to the A1 spring loaded idler.
Choose a link that will stretch spring to a length
of 7-1/2 to 7-3/4 inches when installed.
10. Connect the spring to the B1 spring loaded idler.
Choose a link and/or adjust eyebolt to stretch
spring to a length of 7-3/4 to 8 inches when
installed.
11. Replace top shields and adjust to the desired
cutting height.

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MAIN FRAME
FIGURE 1

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ITEM PART NO. DESCRIPTION QTY ITEM PART NO. DESCRIPTION QTY
MAIN FRAME
FIGURE 1
1-1 6105106.7 MAIN FRAME 1
1-2 29-010 GREASE FITTING,1/4-28 6
1-3 90-1016 BOLT,5/8-11 X 2 4
1-4 4132296 ROD END - 5/8 4
1-5 64163-16 WASHER-41/64 X 1-3/8 X 12
(QTY 4 USED WITH SN 1001 - 1244)
(QTY 16 USED WITH SN 1245 - )
1-6 6105064.7 FRONT LIFT PIVOT 2
1-7 64141-4 NUT-WLF 3/8-16 8
1-8 6105069 LIFT CHAIN FRONT 2
1-9 64123-16 BLT-HEX 3/8-16X1-1/4 4
1-10 64006-04 LOCKWASHER-5/8 4
1-11 64025-21 NUT-HEX 5/8-11 4
1-12 99-K35 BOLT-SHOULDER 5/8X1-1/4 2
1-13 41-084 LIFT SPRING-RIGHT 1
1-14 6105029 PIVOT TIE ROD-RH 1
1-15 6105058 CHAIN, REAR LIFT 2
1-16 6105097 PIVOT TIE ROD, LH 1
1-17 6105020.7 HEIGHT ADJ HANDLE 2
1-18 6105038.7 REAR LIFT PIVOT 2
1-19 90-0836 BOLT-1/2 X 4-1/2 2
1-20 64163-67 WASHER-.516X1X12 3
1-21 64141-13 NUT WLF 1/2-13 2
1-22 99-E11 NUT, STEERING VALVE 6
1-23 64229-05 LOCKNUT, 1/2-13 NYLON 1
1-24 64139-02 BLT-WLF 1/4-20X1/2 2
1-25 64141-2 NUT-WLF 1/4-20 4
1-26 41-081 SPRING 1
1-27 6105057.7 MOWER STAND WLDMT 1
1-28 64139-04 BOLT-WLF 1/4-20X3/4 6
1-29 6105009.7 GUARD, BELT DRIVE 1
1-30 6105068.7 BACKING PLATE 2
1-31 6105085 HINGE, BELTING 1
1-32 6105072.7 SHIELD, PTO 1
1-33 99-23 BOLT, 5/16-18 X 1/2 2
1-34 64141-6 NUT, 5/16-18 2
1-35 53-060 DUST CAP 2
(SN 1001 - 1224)
53-068 HUB CAP 2
(SN 1225 - )
1-36 99-AC12NFNUT, 3/4 2
(SN 1001 - 1224)
99-E19 CASTLE NUT, 1-14 2
(SN 1225 - )
1-37 64163-06 WSHR-.768/.756X1.25X14 4
1-38 55-Z9504AB BALL BRG-3/4 ID 4
(SN 1001 - 1224)
48043-04C CONE, OUTER BEARING 4
(SN 1225 - )
1-39 99-B20 WASHER 6
(SN 1001 - 1224)
1-40 6111130 CASTER FRAME 2
1-41 90-1060 BOLT 2
1-42 64229-06 LOCKNUT, NYLON 5/8-11 2
1-43 6112062 SPACER 8
(SN 1001 - 1244)
1-44 53-168 WHEEL-W/13 X 5 X 6 TIRE 2
(SN 1001 - 1244)
55-107 BEARING 2
1-45 03-018 PIN-SFTY SNAP 3/8 X 2-1/4 2
1-46 53-185 WHEEL-W/13 X 5 X 6 TIRE 2
(SN 1245 - )
53-188 RETAINER 2
55-113 BEARING 1
55-114 BEARING 1
1-47 48043-03C CUP, OUTER BEARING 4
(SN 1225 - )
1-48 89-017 SEAL 2
(SN 1225 - )
1-49 64163-64 WSHR 1.015X1.500X14 2
(SN 1225 - )
1-50 02-CP0410 COTTER PIN, 1/8 X 1-1/4 2
(SN 1225 - )

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PTO & DRIVE SHAFTS
FIGURE 2

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ITEM PART NO. DESCRIPTION QTY ITEM PART NO. DESCRIPTION QTY
PTO & DRIVE SHAFTS
FIGURE 2
2-1 6105087.7 DECK WLDMT 1
2-2 55-FB23012 BEARING 4
2-3 64123-50 BOLT-HEX 3/8-16X1 4
2-4 64141-4 NUT-WLF 3/8-16 8
2-5 6105082 SHAFT-SECONDARY 1
2-6 64164-02 KEY 3/16X3/16X1 SQ 4
2-7 83-BK40H PULLEY, 4" 1
2-8 83-H12 BUSHING 2
2-9 87-222 SHAFT-DRIVE PTO ASSY 1
2-10 6105106.7 MAIN FRAME 1
2-11 6105081 SHAFT-PRIMARY 1
2-12 83-BK50H PULLEY-5" 1
2-13 81-A040 BELT 1
2-14 99-K73 BOLT-3/8-16 X 1-1/2 2
2-15 29-045 GREASE FT-1/4-28 45-DEG 1
2-16 64123-70 BOLT-HEX 3/8-16X1-1/2 2

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SPINDLE ASSY & DRIVE BELTS
FIGURE 3