5` 3-POINT FINISHING MOWER

Transcription

5’ 3-POINT FINISHING MOWER
98777
SET UP AND OPERATING INSTRUCTIONS
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright© 2008 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shape or form without the express written consent of
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
SAVE THIS MANUAL
NOTICE is used to
address practices
not related to personal injury.
Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning
procedures. Write the product’s serial
number in the back of the manual near the
assembly diagram (or month and year of
purchase if product has no number). Keep
this manual and the receipt in a safe and
dry place for future reference.
CAUTION, without
the safety alert
symbol, is used to address
practices not related to
personal injury.
When using
Mowers, basic
safety precautions should
always be followed to reduce
the risk of fire and personal
injury, including the following:
IMPORTANT SAFETY
INSTRUCTIONS
In this manual, on the labeling,
and all other information
provided with this product:
This is the safety alert
symbol. It is used to alert
you to potential personal
injury hazards. Obey all
safety messages that
follow this symbol to avoid
possible injury or death.
READ ALL INSTRUCTIONS
Personal Safety
1.
Dress Properly - Do not wear loose
clothing or jewelry. They can be
caught in moving parts. Use of steel
toed footwear is recommended when
working outdoors. Wear protective
hair covering to contain long hair.
DANGER indicates
a hazardous
situation which, if not
avoided, will result in death or
serious injury.
2.
Wear ANSI-approved safety
goggles and heavy-duty
work gloves. Use NIOSH
approved face or dust mask if operation is dusty.
WARNING
indicates a
hazardous situation which, if
not avoided, could result in
death or serious injury.
3.
Use ear protection during operation;
sound levels over 85 dB can cause
permanent hearing damage.
4.
Do not Overreach - Keep proper footing and balance at all times.
5.
Stay Alert - Watch what you are
doing. Use common sense. Do not
operate Mower when you are tired.
6.
Do not grasp the cutting
blades.
CAUTION, used
with the safety
alert symbol, indicates a
hazardous situation which, if
not avoided, could result in
minor or moderate injury.
SKU 98777
For technical questions, please call 1-800-444-3353.
Page 2
9.
7.
Keep hands and feet away
from cutting area.
8.
Keep hands away from
blades.
9.
Wear thick jeans and
steel-toed work boots to
help prevent injury
caused by flying debris.
Mower Use and Care
1.
Avoid Dangerous Environment
- Do not use in damp or wet locations.
Maintain Mower With Care - Keep
cutting edge sharp and clean for best
performance and to reduce the risk of
injury. Follow instructions for lubricating and changing accessories. Keep
surfaces dry, clean, and free from oil
and grease.
10. Before use of the Mower. Check for
alignment of moving parts, binding
of moving parts, breakage of parts,
mounting, and any other condition
that may affect its operation. A guard
or other part that is damaged should
be properly repaired or replaced by a
qualified technician.
11. Disconnect the Mower from the
tractor when not in use, before servicing, and when changing blades.
2.
Do not Use In Rain.
3.
Keep Children Away - All visitors
should be kept at a distance of at
least 20 yards from work area.
12. Keep guards in place and in working order.
4.
When servicing use only identical
replacement parts.
5.
Use Right Mower - Do not use the
Mower for any job except that for
which it is intended.
14. Do not use this Mower for edging
operations. Debris may be forcefully thrown out resulting in serious injury.
6.
Do not Force the Mower - It will do
the job better and with less likelihood
of injury at the rate for which it was
designed. Do not exceed 3 MPH during use.
7.
8.
Raise Mower, secure it in the upright
position, and do not exceed 20 MPH
during transport. Do not transport
mower on public roads.
Store Idle Mowers Indoors - When
not in use, Mowers should be stored
indoors in a dry, locked-up place - out
of reach of children.
SKU 98777
13. Keep blades sharp.
General Safety
1.
Keep this manual in the storage tube
that is connected to the mower, so
that it will not get lost.
2.
Read and follow all instructions in the
tractor manual that the Mower will be
connected to.
3.
Use a tractor equipped with a
R.O.P.S. (Roll-Over Protective Structure) and wear the seatbelt.
4.
Do not allow riders on tractor or
mower.
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5.
Clear area of stones and debris before mowing.
11. Do not operate Mower without all
guards and shields in place.
6.
Use on level lawns only. Do not use
Mower for other than intended use.
7.
Do not install on a tractor over 40 HP.
Do not exceed tractor PTO of 540
RPM at the drive shaft.
12. Maintain labels and nameplates on
the Mower. These carry important
safety information. If unreadable or
missing, contact Harbor Freight Tools
for a replacement.
8.
Do not stand between the tractor
and the mower when it is running.
The P.T.O. shaft spins rapidly and
can grab loose clothing or equipment
causing serious personal injury. Do
not operate this product if the
P.T.O. shield is damaged.
9.
CARBON MONOXIDE
HAZARD
Using an engine indoors
CAN KILL YOU IN
MINUTES.
Tractor exhaust contains carbon
monoxide. This is a poison you
cannot see or smell.
13. The warnings, precautions, and instructions discussed in this instruction
manual cannot cover all possible conditions and situations that may occur.
It must be understood by the operator
that common sense and caution are
factors which cannot be built into this
product, but must be supplied by the
operator.
SAVE THESE
INSTRUCTIONS.
NEVER use inside a barn or garage,
EVEN IF doors and windows are
open.
Only use OUTSIDE and far away
from windows, doors, and vents.
10. Professional applications must meet
OSHA standards.
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SPECIFICATIONS
Tractor Requirements
Tractors with
Minimum 20 HP but
under 40 HP
Recommended Operating
Speed
1.5 to 3 MPH
P.T.O. Shaft Type
1-3/8” Diameter
6-spline Shaft
P.T.O. Speed
Maximum 540 RPM
Driveline Size
ASAE Category 3
Product Drive Ratio
1:2.83
Assembly
1.
Attach the rear braces (52) to the
lugs on the rear of the deck with an
M12 Bolt (43) and Lock Nut (33), as
shown below.
2.
Attach the Front Brace (53) to the
lugs on the front of the mower deck
with M12 Bolts (43) and Lock Nuts
(33), as shown below.
3.
Connect the Front Braces at the top
with an M12 Bolt (31), Spacer (37),
Upper Hitch (55), and Lock Nuts (33);
as shown below.
20-5/8” Long blade
sharpened to a 1/32”
Thick edge
Category I, 3 Point
Hitch
Blade
Hitch Type
Gearbox Lubrication
SAE 90 EP Oil
Belt Requirements
1/2” wide V-belts
UNPACKING
When unpacking, check to make sure
that the item is intact and undamaged. If
any parts are missing or broken, please
call Harbor Freight Tools at the number
shown on the cover of this manual as soon
as possible.
SET UP INSTRUCTIONS
Read the ENTIRE IMPORTANT
SAFETY INSTRUCTIONS
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
Note: For additional information regarding
the parts listed in the following pages,
refer to the Assembly Diagram near
the end of this manual.
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Page 5
37
36
37
35
4.
34
Install the Wheel Supports (36) with
M12 Bolts (43) and Lock Nuts (59).
7.
M12 Bolts
(43)
5.
Install Deflector (48) using M12 Bolts
(43) and Lock Nuts (59).
6.
Adjust the height of the mower by
adding spacers (37) to the bottom
of the wheel Assemblies (34) before
inserting into axle arm.
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Add SAE 90 EP oil to the gearbox
of the Mower before first use. See
directions under the “Maintenance
and Servicing” section for directions.
Attaching the Mower to the
Tractor
TO PREVENT
SERIOUS INJURY
OR DEATH. Back the tractor
up to the mower so that the
lower draft arms are in
alignment with the mower lift
pins. Stop the engine, lock the
brakes, place the tractor in
park, and remove the key from
the ignition.
1.
Read the tractor manufacturer’s directions for P.T.O. connections to the
tractor.
2.
Shorten or remove the tractor drawbar so it will not interfere with the up
and down movement of the mower.
3.
Connect the tractor and stabilizer
bars to the lower lift pins. Adjust the
Page 6
top link so it will connect to the top
holes in the A-Frame or into the holes
in the floating top link.
4.
Slide yoke onto the tractor P.T.O.
shaft.
5.
Move yoke back and forth until locking pin has engaged on the P.T.O.
shaft groove. When attaching the
driveline yoke to the tractor P.T.O.
shaft; the spring activated locking
pin must seat properly in the tractor
P.T.O. shaft groove.
OPERATING INSTRUCTIONS
Read the ENTIRE IMPORTANT
SAFETY INFORMATION section
at the beginning of this manual
including all text under
subheadings therein before set
up or use of this product.
1.
The gearbox of the Mower must be
filled with a SAE 90 EP oil before
first use of the Mower.
2.
Before operating the Mower, put on
ANSI-approved safety goggles and
other safety gear. Safety goggles
and other safety gear are sold separately.
3.
Attach the Mower to the tractor.
4.
Raise the Mower and brace it up
securely. Add or remove Spacers
to adjust the for the height of grass
desired (as directed in the SET-UP
section of this manual). Always brace
the Mower when it is raised; hydraulic
systems can fail causing the mower
to fall onto the operator.
5.
Start the tractor and allow it to warm
up and achieve idle speed.
6.
To transport the Mower, disengage
the P.T.O. and raise it to full transport
height before moving to the mowing
area.
7.
Lower the Mower. Reduce engine
speed and engage the tractor P.T.O.
Gradually increase the engine speed
to develop P.T.O. speed of 540 RPM.
8.
Enter the area to be cut with the
cutter operating at P.T.O. speed. If
it becomes necessary to regulate
engine speed during operation do so
gradually.
The Mower when properly connected to a 20
HP tractor
6.
Use stabilizer bars or sway blocks
appropriate to the tractor to prevent
side sway of the mower.
7.
Secure the P.T.O. guard with the
chains.
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Page 7
9.
This Mower is only recommended for
light duty use on level lawns. Cutting
speed will depend upon the height,
type, and density of the grass to be
cut. Tall or thick grass should be cut
at low speed, while short, thin grass
can be cut faster. Grass should be
cut when dry; wet grass will stick to
the Mower and clog it up.
10. If the mower contacts a hidden obstruction, immediately stop operation.
Raise the mower, turn off the tractor,
and disconnect the drive shaft. Secure the mower in the upright position. Verify that the mower is not
damaged before continung.
IN ORDER TO AVOID
PERSONAL INJURY OR
PROPERTY DAMAGE. When
attempting to stop a tractor
which does not have a live
PTO, the momentum created
by the blades of a mower can
cause the tractor to be
pushed forward. Do not
operate this mower unless the
tractor has a live or
independent PTO.
11. When finished, move the Mower to
the intended storage area, and allow
the P.T.O. to rotate to a stop before
getting off the tractor.
12. To prevent accidents, disconnect
the mower from the tractor after use.
Clean, then store the appliance indoors out of children’s reach.
SKU 98777
Page 8
tion. Additional lubrications points
are indicated in the following diagram.
MAINTENANCE AND
SERVICING
Procedures not specifically
explained in this manual
must be performed only by a
qualified technician.
TO PREVENT
SERIOUS INJURY
FROM ACCIDENTAL
OPERATION:
Turn the tractor “OFF” and
disconnect the mower before
performing any inspection,
maintenance, or cleaning
procedures.
TO PREVENT SERIOUS
INJURY FROM TOOL
FAILURE:
Do not use damaged
equipment. If abnormal noise
or vibration occurs, have the
problem corrected before
further use.
Filling the Gearbox
2.
THE GEARBOX OF THE MOWER
MUST BE FILLED WITH SAE 90 EP
OIL BEFORE FIRST USE.
Filler Plug
Cleaning, Maintenance, and
Lubrication
1.
2.
BEFORE EACH USE, inspect the
general condition of the appliance.
Check for loose screws, misalignment
or binding of moving parts, cracked or
broken parts, and any other condition
that may affect its safe operation.
AFTER USE, clean external surfaces
of the appliance with clean cloth.
Lubrication
1.
Test
Plug
The Wheel Spindle, Blade Spindle
and U-joints must be lubricated with
white lithium grease before each use
and after every eight hours of opera-
SKU 98777
3.
Place the Mower on a flat, level surface.
4.
Place an approved container underneath the Test Plug.
5.
Remove the Filler and Test Plugs.
Page 9
6.
Add oil into the Filler Plug until it
begins to run out the Test Plug.
Replace the Test Plug, clean up any
spilled oil, and replace the Filler Plug.
7.
Check the gearbox oil level after every eight hours of operation.
Wheel Lubrication
Grease
Fitting
10. Periodically, the metal telescoping tubes inside the tractor end of
the driveshaft must be lubricated.
Spread white lithium grease evenly
around the inside of the driveshaft.
Blade Spindle Lubrication
11. The blade spindles can be lubricated
through the holes on the main deck.
These are clearly marked. All three
spindles must be lubricated before
each use and after eight hours of
operation.
Blade Removal and Installation
1.
8.
The Wheels must be lubricated
through the fitting before each use
and after eight hours of operation.
With the Mower disconnected from
the tractor, position it so that the
blades are exposed and secure it in
place.
Wrench
Driveshaft Lubrication
Grease
Fitting
9.
The U-joints at each end of the drive
shaft must be lubricated before each
use and after eight hours of operation.
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Nut
2.
Prevent blade rotation by securing it
above the blade with a wrench and
remove the nut.
Page 10
3.
Remove the blade from the Mower.
Sharpen both sides of the cutting
surface of the blade to a 1/32” blunt
point. Sharpening both edges of the
blade maintains blade balance. Do
not sharpen the back edges of the
blade.
4.
Replace the blade and secure with
the nut.
Drive Belt Maintenance
1.
Loosen all four nuts (A) on the gearbox slide plate. (see figure below).
A
C
and that the left hand belt (F) is in the
upper groove.
8.
Slide the gearbox back to the full rear
position
9.
Tighten adjustment bolt (D) until the
belt deflection along the front side of
the belts (E & F) is 3/4” when approximately 10 pounds of pressure is applied to the center of the belt length.
Do not overtighten belts.
10. Replace Tighten jam nut (C) and nuts
(A) on gearbox slide plate.
11. Replace all parts to original positions.
D
B
A
E
G
F
H
2.
Loosen jam nut (C) on the tension
adjustment bolt (D).
3.
Remove drive belt shield fasteners
and belt shields.
4.
Loosen gearbox slide plate bolts and
gearbox adjustment bolt.
5.
Slide gearbox all the way forward.
6.
Slide belts under the gearbox wheel
(G) and over the center spindle
wheel (H).
7.
Place the right hand belt (E) in the
lower groove of the gearbox wheel
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Page 11
Troubleshooting
Problem
Uneven cutting
Possible Causes
1. Slow blade tip speed.
2. Dull blade tips.
3. Worn blade tips.
4. Unable to cut portion of grass
pressed down by tractor’s wheels.
5. Mowing too fast.
6. Drive belt loose.
7. Belt glazed (gear side worn smooth)
or slipping.
8. Blade loose on spindle.
9. Conditions are too wet for mowing.
Grass discharges from 1. Grass is too high or coarse.
mower unevenly or in
bunches
Heavy vibration
2. Belt slipping.
3. Grass is wet.
1. Blade speed too fast.
2. Bent or broken blade.
3. Unbalanced blade.
4. Bent or broken gear wheel.
5. Debris caught on blade.
Belt slipping
Belt rollover
Gearbox overheating
1. Belt loose.
2. Belt glazed Gear.
3. Mowing overflowing.
4. Oil on belt.
5. Belt hung or rubbing.
1. Damaged belt.
2. Object stuck in drive belt gears.
3. Worn drive belt gear.
1. Lubricant is low.
2. Excessive material build-up around
gearbox.
Likely Solutions
1. Operate P.T.O. at 540 RPM.
2. Sharpen blade.
3. Replace blade.
4. Slow tractor’s speed down but
maintain 540 RPM P.T.O.
5. Slow down.
6. Tighten drive belt.
7. Replace belt.
8. Tighten blade nut.
9. Allow grass to dry before mowing.
1. Slow the tractor’s speed. Raise
blade for first pass and lower for
second pass. Try mowing at a 90°
angle to the first cut.
2. Tighten or replace belt.
1. Do not exceed 540 RPM P.T.O.
2. Replace blade.
3. Grind blade uniformly.
4. Have gear replaced by a qualified
technician.
5. Stop operation, disconnect mower,
and clean blade.
1. Tighten or replace belt.
2. Replace belt.
4. Clean belt.
5. Cean belts or replace.
1. Replace belt.
2. Clean objects out of drive belt gears.
3. Have gear replaced by a qualified
technician.
1. Fill gearbox.
2. Clean gearbox.
Follow all safety precautions whenever diagnosing or servicing the
appliance. Disconnect power supply before service.
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Page 12
Troubleshooting
Problem
Possible Causes
P.T.O. contacts mower 1. Raising mower too high.
when raised
2. Incorrect adjustment of tractor top
link.
Mower requires
1. Cutting too quickly.
excessive power
2. Hitting ground.
3. Worn blades.
4. Tractor too small.
5. Grass wet.
6. Grass too heavy.
Likely Solutions
1. Do not raise mower as high.
2. Adjust top link or lift stops.
1. Slow down operation.
2. Raise mower.
3. Sharpen or replace blades.
4. Use at least a 20 HP tractor.
Follow all safety precautions whenever diagnosing or servicing the
appliance. Disconnect power supply before service.
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY
DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR
DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT
HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT, OR THAT HE OR SHE IS
QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/
OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD
BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS, AND NOT BY THE BUYER. THE
BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE
ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER
INSTALLATION OF REPLACEMENT PARTS THERETO.
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Page 13
PARTS LIST
Part
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Description
Nut M18x1.5
Flat Washer
Blade
Blade Spindle Shaft
Round End Key 8x7x30
Dust Cap
Bolt M10x30
Bearing Holder
Grease Fitting
Sleeve
Bearing
Flat Washer
Joint Plate
Flat Washer
Lock Washer
Nut M10
Double Pulley
Nut M24x1.5
Single Pulley
V-belt
Main Input Pulley
Gearbox Rest
Adjusting Bolt M10x80
Sliding Plate
Flat Washer
Lock Washer
Nut M16
Gearbox
Safety Guard
P.T.O.
Bolt M12x130
Wheel
Lock Nut M12
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PARTS LIST
Qty
3
3
3
3
3
3
17
3
7
3
6
24
2
28
28
28
1
3
2
2
1
1
1
1
4
4
4
1
1
1
5
4
8
Part
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
Description
Wheel Assembly
Lock Pin
Wheel Support
Spacer
Lock Washer
Bolt
Main Deck
Hairpin
Pin
Bolt M12x40
Belt Guard
Bolt M8x15
Chain
Bolt M6x25
Deflector
Chain Rod
Lock Nut M6
Flat Washer
Rear Brace
Front Brace
Brace
Upper Hitch
Pin
Flat Washer
Lock Washer
Nut M12
Gearbox Key 10x8x38
Lock Washer
Bolt M10x25
Lock Washer
Flat Washer
Bolt M8x12
Flat Washer
Qty
4
4
4
3
1
1
1
6
2
8
2
6
24
2
1
1
2
6
2
2
1
1
1
1
3
5
1
3
7
6
4
4
1
Page 14
ASSEMBLY DIAGRAM
Record Product’s Serial Number Here:
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts.
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Page 15
90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality
and durability standards, and warrants to the original purchaser that this product is free
from defects in materials and workmanship for the period of 90 days from the date of
purchase. This warranty does not apply to damage due directly or indirectly, to misuse,
abuse, negligence or accidents, repairs or alterations outside our facilities, criminal
activity, improper installation, normal wear and tear, or to lack of maintenance. We
shall in no event be liable for death, injuries to persons or property, or for incidental,
contingent, special or consequential damages arising from the use of our product.
Some states do not allow the exclusion or limitation of incidental or consequential
damages, so the above limitation of exclusion may not apply to you. THIS WARRANTY
IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us with
transportation charges prepaid. Proof of purchase date and an explanation of the
complaint must accompany the merchandise. If our inspection verifies the defect, we
will either repair or replace the product at our election or we may elect to refund the
purchase price if we cannot readily and quickly provide you with a replacement. We will
return repaired products at our expense, but if we determine there is no defect, or that
the defect resulted from causes not within the scope of our warranty, then you must
bear the cost of returning the product.
This warranty gives you specific legal rights and you may also have other rights which
vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
SKU 98777
Page 16

5` 3-POINT FINISHING MOWER

Transcription

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