Troy-Bilt 52065 User Manual
Model
52065
OWNER’S MANUAL
Trimmer/Mower
•
Safety
•
Assembly
•
Features and Controls
•
Operation
•
Maintenance
•
Parts List
WARNING
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1904403 (1/97)
•
•
•
TM
GARDEN WAY INCORPORATED
SAFETY FIRST!
Before operating this equipment, read this
Owner's Manual and the separate manual
supplied by the engine manufacturer.
2
Table of Contents
SECTION 1: SAFETY ........................................... 3
General Operation....................................................... 3
Slope Operation.......................................................... 4
Children...................................................................... 4
Service........................................................................ 4
Safety Decals ............................................................. 5
SECTION 2: ASSEMBLY ....................................... 6
Inspection After Delivery ............................................ 6
Step 1: Unpacking Unit............................................... 6
Step 2: Install Handlebar ............................................ 6
Step 3: Attach Throttle Control Lever.......................... 6
Step 4: Add Motor Oil................................................. 6
Step 5: Check Trimmer Head Hardware...................... 6
SECTION 3: FEATURES & CONTROLS........................ 8
SECTION 4: OPERATION ...................................... 9
Pre-Start Checklist...................................................... 9
Fill Fuel Tank............................................................... 9
Adjust Handlebar Height............................................. 9
Adjust Line Cutting Height.......................................... 9
Use the Correct Diameter Trimmer Line..................... 10
Using the Trimmer Head Control Bail......................... 10
Operating the Machine................................................ 10
Operating Tips and Techniques .................................. 11
SECTION 5: MAINTENANCE .................................. 12
Maintenance Schedule................................................ 12
Adjusting Trimmer Head Engagement........................ 12
Removing and Replacing the Trimmer Head .............. 12
Inspecting and Replacing the Drive Belt..................... 13
Belt Performance Troubleshooting............................. 14
Lubrication ................................................................. 14
Cleaning the Engine.................................................... 14
Trimmer/Mower Cleaning and Debris Removal.......... 15
Compact Storage........................................................ 15
General Engine Maintenance ...................................... 15
Engine Oil Service................................................... 15
Air Cleaner Service ................................................. 15
Spark Plug Service ................................................. 15
Spark Arrester Screen Service................................ 15
Engine Cleaning...................................................... 15
Carburetor/Governor Control Adjustments............. 15
Throttle Control Adjustment ................................... 15
Off-Season Storage .................................................... 15
Changing Trimmer Lines............................................ 16
Troubleshooting................................................ 17
Parts List ........................................................ 18
Customer Service Information .................... Back Cover
Dear Owner:
You now own one of the finest trimmer/mowers available. It
was designed to easily handle a wide variety of trimming,
mowing and clearing chores. You will find the machine to be
an invaluable tool in caring for your property.
Please carefully read this Manual which tells you how to
safely and easily assemble, operate and maintain your
machine. Be sure that you and any other operators carefully
follow the recommended safety practices at all times. Failure
to do so could result in personal injury or property damage.
Of course, if you should ever have any problems or questions, please contact your local authorized service dealer or the
Factory.
We want to be sure that you are completely satisfied at all
times.
NOTE: Be sure to fill out and return the Warranty Registration Card that was supplied with this Manual.
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.
WARNING
See Back Cover for
Customer Service information
Safety Alert Symbol
This is a safety alert symbol. It is used in this
manual and on the unit to alert you to potential
hazards. When you see this symbol, read and
obey the message that follows it. Failure to obey
safety messages could result in personal injury or
property damage.
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1904403 (1/97)
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•
Safety
1
Section
3
Figure 1-1
Trimmer Head
Control Bail
Handlebar
Engine Throttle Control Lever
Plastic Debris
Shield
Engine Recoil
Starter
Trimmer
Line
Trimmer
Head
Rubber Debris
Flap
SPARK ARRESTER WARNING TO RESIDENTS
OF CALIFORNIA AND SEVERAL OTHER STATES
Under California law, and under the laws of several
other states, you are not permitted to operate an internal
combustion engine using hydrocarbon fuels on any
forest, brush, hay, grain, or grass covered land; or land
covered by any flammable agricultural crop without an
engine spark arrester in continuous effective working
order.
The engine on the unit is an internal combustion engine
which burns gasoline, a hydrocarbon fuel, and must be
equipped with a spark arrester muffler in continuous
effective working order. The spark arrester must be
attached to the engine exhaust system in such a manner
that flames or heat from the system will not ignite
flammable material. Failure of the owner/operator of the
unit to comply with this regulation is a misdemeanor
under California law (and other states) and may also be
a violation of other state and/or federal regulations,
laws, ordinances or codes. Contact your local fire marshal or forest service for specific information about
which regulations apply in your area.
Fuel Primer
IMPORTANT
Safe Operation Practices for Walk-Behind 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.
General Operation
1. Read, understand, and follow all
instructions on the machine and in the
manuals. Be thoroughly familiar with the
controls and the proper use of the equipment before starting.
2. Do not put hands or
feet near or under rotating
parts. Keep clear of the
rotating trimmer head and
line at all times.
3. Only allow responsible adults, who
are familiar with the instructions, to operate the trimmer/mower. Never let children
or untrained adults operate this unit.
4. Inspect the area where the machine is
to be used. The machine can propel small
objects at high speed, causing personal
injury or property damage. Clear the area
of objects such as rocks, toys, wire,
bones, sticks, etc., which could be picked
up and thrown by the trimmer line.
5. Be sure the area is clear of other
people (particularly small children and
pets) before mowing. Stop machine if
anyone enters the area. Keep bystanders
at least 50 feet from the area of operation.
6. Do not operate the machine when
barefoot or wearing open sandals. Always
wear substantial footwear.
7. Wear appropriate clothing such as a
long-sleeved shirt or jacket and long
trousers or slacks. Do not wear shorts.
8. Do not wear loose clothing—it could
catch in the equipment.
9. Do not mow in reverse unless absolutely necessary. Always look down and
behind before and while moving backwards.
10. Do not operate the trimmer/mower
without proper guards, plates, or other
protective safety devices in place.
11. Refer to provided instructions for
proper operation and installation of
accessories. Only use factory-approved
accessories.
12. Stop trimmer head when crossing
gravel drives, walks, or roads. Wait for
trimmer lines to stop.
13. Stop engine and disconnect
spark plug wire from spark plug
whenever you leave the unit,
clean the unit, or replace
trimmer line.
14. Wait until the trimmer head comes to
a complete stop, shut the engine off, and
disconnect the spark plug wire before
installing or removing trimmer line. Be
sure the trimmer head is securely attached
before operating the machine.
4 Section 1: Safety
15. Mow only during daylight hours or
when good artificial light is available.
16. Do not operate the machine while
under the influence of alcohol or drugs, or
when tired or ill.
17. Never operate this machine in wet
grass. Be sure of your footing; keep a firm
hold on the handlebar and walk; never run.
18. Release the Trimmer Head Control
Bail before starting the engine.
19. If the unit starts to vibrate abnormally,
stop the engine and disconnect the spark
plug wire. Check immediately for the
cause. Vibration is generally a warning of
trouble.
20. Always wear approved safety goggles
or safety glasses with side shields when
operating machine. The use of any powered machine can result in foreign objects
being thrown by high speed rotating parts
which can cause personal injury or property damage. Stay away from glass and
other easily thrown or breakable objects.
21. Wear work gloves and sturdy footwear
when using this machine. Leather work
shoes or short boots are ideal—they pro-
tect ankles and shins from rocks, pebbles,
splinters, etc.
22. It is advisable to wear protective
headgear to prevent the possibility of
being hit by small flying particles, etc.
23. Before each use, inspect the Throttle
Control Lever and its cable. Make sure the
cable is free and that the lever functions
properly.
24. Watch for traffic when near or when
crossing roadways.
25. Never attempt to carry children or
other passengers on the machine. They
could fall off and be seriously injured, or
they could interfere with safe operation of
the machine.
26. The machine is equipped with a plastic debris shield in front of the engine and
a rubber debris flap under the frame. They
must be in place and working properly.
Never remove or cause the debris shield
or debris flap to cease working. If either
of these parts is missing or not working
properly, do not use the machine until this
situation is corrected.
27. Be aware of where the machine is discharging materials and do not point the
discharge at anyone.
28. Never run the engine in an enclosed
area. Engine exhaust contains carbon
monoxide, a deadly gas that is odorless,
colorless and tasteless. Always run the
engine outdoors where there is adequate
ventilation.
29. Slow down before turning.
30. Shut off engine when not trimming or
mowing.
31. Use extra care when loading or
unloading machine into a trailer or truck.
32. Use this equipment for its intended
purpose only.
33. Always make sure the handlebars are
tight and comfortably positioned. They
should never be in an awkward position
for the operator.
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 can not back
up the slope or you feel uneasy on a slope,
do not mow it.
DO:
Mow across the face of slopes; never up
and down. Exercise extreme caution
when changing direction on slopes.
Avoid slopes greater than 15o.
Remove objects such as rocks, tree
limbs, etc.
Uneven terrain could overturn the
machine. Watch for holes, ruts, or
bumps. Tall grass can hide obstacles.
Use slow speed.
Use extra care with grass catchers or
other attachments. These can change
the stability of the machine. Keep all
movement on the slopes slow and gradual.
Avoid starting or stopping on a slope.
DO NOT:
Do not mow near drop-offs, ditches, or
embankments. You could lose your
footing or balance.
Do not mow on very steep slopes.
Do not mow on wet grass. Slippery
footing can be hazardous.
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 care of a responsible adult.
2. Be alert and turn machine off if children
enter the area.
3. Before and while moving backwards,
look behind and down for small children.
4. Never allow children to operate the
machine.
5. Use extra care near blind corners,
shrubs, trees or other objects that may
obscure vision.
6. Never carry children, even with the
trimmer head stopped. Children may fall
off and be seriously injured or interfere
with safe machine operation.
7. Do not allow children nearby if you are
working.
Service
1. Use extra care in handling gasoline and
other fuels. They are flammable and their
vapors are explosive. To help prevent a
fire or explosion:
a) Use only an approved container.
b) Never remove gas cap or add fuel
when engine is running. Let engine
cool before refueling. Do not smoke.
c) Never refuel the machine indoors.
Fill the fuel tank outdoors and with
extreme care.
d) Never store the machine or fuel
container inside where there is an
open flame, such as a water heater,
etc.
e) Replace caps on fuel tank and fuel
container and clean up spilled fuel
before starting engine. Move
machine away from any gasoline
fumes before starting engine.
f) Keep matches, smoking materials,
open flames, and sparks away from
the fuel tank and fuel container.
g) Leave 1/2" air space at top of fuel
tank to allow for fuel expansion.
2. Never run the engine inside a closed
area.
Section 1: Safety 5
3. Never clean, or make adjustments or
repairs with the engine running. Disconnect the spark plug wire and keep the wire
away from the plug to prevent accidental
starting. Remove ignition key on electric
start models.
4. Keep all nuts and bolts tight, especially the trimmer head attachment bolts,
and keep equipment in good condition.
Check mounting hardware on trimmer
head every time you change trimmer line
and prior to each use.
5. Never tamper with safety devices.
Check their proper operation regularly.
6. To reduce fire hazard, keep machine
free of grass, leaves or other debris buildup. Clean up oil or fuel spills. Let
machine cool before storing.
7. After striking an object, stop the
engine and disconnect the spark plug wire.
Inspect the machine and repair, if necessary, before restarting.
8. Never make adjustments or repairs
while engine is running.
9. Components subject to wear, damage
and deterioration could expose moving
parts or allow objects to be thrown. Frequently check components and replace
with factory recommended parts, when
necessary. Regularly inspect the trimmer
head and debris shield. Make sure they
are not bent, damaged or loose.
10. Only use eighteen-inch long, .130" or
.155" diameter trimmer line. Never use
other lengths, diameters or material as
trimmer line.
11. Trimmer line moves at
high speed and can cut.
Always stop the engine and
let all moving parts stop
before replacing the trimmer lines. Let the engine cool.
12. Do not change the engine governor
setting or overspeed the engine. The governor controls the maximum safe operat-
ing speed and protects the engine and all
moving parts from damage caused by
overspeed. Authorized service shall be
sought if a problem exists.
13. Do not touch engine parts which may
be hot from operation. Allow parts to cool
completely before inspecting, cleaning or
repairing the unit.
14. Maintain or replace safety and instructional decals. Refer to the Parts List for
replacement decal information.
15. Use only original-equipment replacement parts. Parts manufactured by others
could present safety hazards and affect
performance even though they may fit on
this machine.
16. Remember—the end of the season is
a good time to inspect equipment prior to
storage.
17. To guard against engine overheating,
always keep the engine debris guard
mounted and clean.
Safety Decals
Make certain that all safety decals on this equipment are kept clean
and in good condition. The decals are shown (at reduced sizes)
below. If you need a replacement decal, please refer to the “Parts
List” in this manual.
WARNING
THROWN OBJECT HAZARD
Objects will be thrown violently by the
cutting head, resulting in significant hazard!
Keep children, pets and bystanders 50 feet
away from machine while operating.
Be alert to hidden obstacles.
ROTATING CUTTING HEAD
Do not service or adjust cutting head or other
moving parts unless engine is stopped and
spark plug wire is disconnected.
•
•
•
READ OWNERS MANUAL
If you need a replacement manual, write to the
address listed on the serial number decal on
this unit.
1918115 (12/99)
On top of mower deck
On right side, rear of
mower deck
On left
handlebar
On right
handlebar
STOP
1918304 (02/00)
Assembly
2
Section
6
INTRODUCTION
Carefully follow these assembly steps to
correctly prepare your machine for use. It
is recommended that you read this Section in its entirety before beginning
assembly.
NOTE: If an assembly step applies only to
certain models, those models are noted at
the beginning of that step. Otherwise, a
step applies to all models.
INSPECTION AFTER DELIVERY
Inspect your machine immediately upon
delivery. Be sure that neither the carton
nor the contents have been damaged.
If you find or suspect any damage, contact
the carrier (trucking company) right away.
Inform them of the specific damage and
that you wish to file a claim. To protect
your rights, be sure to put this in writing
to the carrier within 15 days after your
machine arrives. Please let us know if you
need assistance with this matter.
IMPORTANT: The engine is shipped without motor oil in its crankcase. Motor oil
must be added before starting the engine.
NOTE: LEFT and RIGHT sides of the unit
are as viewed from the operator’s position
behind the handlebars.
Tools/Supplies Needed:
• (1) Utility Knife or Scissors
• (2) 1/2" (or adjustable) Wrenches
• (2) 7/16" Wrenches (one with a
boxed end)
• Motor Oil (see engine manual for oil
specifications and amount needed)
ASSEMBLY STEPS
STEP 1: UNPACKING UNIT
1. Remove any protective packaging (plas-
tic film and cardboard) from the handlebar
and the unit.
2. Carefully remove the handlebar (do not
pinch or kink the attached cable) before
removing the unit from the carton.
3. Check that you have received the following items:
• Trimmer/Mower Assembly (A, Figure
2-1)
• Extra Trimmer Line (B, Figure 2-1): six
each of heavy-duty gauge .130" dia. line
and extra heavy-duty gauge .155" dia.
line.
• The following are packaged separately:
(3) Plastic Cable Tie
(1) Hex Hd. Screw, 1/4-20 x 2
(1) Hex Locknut, 1/4-20
(2) Hex Hd. Screw, 5/16-18 x 1-1/2
(2) Hex Locknut, 5/16-18
STEP 2: INSTALL HANDLEBAR
1. Remove the plastic tie and tape that
secure the control bail (G, Figure 2-2) to
the handlebar (A).
NOTE: Do not pinch or kink the cable that
is attached to the handlebar.
2. Carefully lift the handlebars (A, Figure
2-2) to the rear of the unit and align the
handlebar legs with the handlebar support
bracket (B).
3. Route the trimmer head control cable
(C, Figure 2-2) to the outside of the
handlebar.
4. Select the low or high height setting
holes in the handlebar legs and attach the
legs to the support bracket (B) using two
5/16-18 x 1-1/2 hex hd. screws (D) and
5/16-18 locknuts (E).
IMPORTANT: Adjust the handlebars as
close as possible to waist level so that
your arms are at a comfortable height.
This position will result in less pressure on
the mower wear cup (located at bottom of
trimmer head), making the unit easier to
roll and reducing wear to the wear cup.
5. Use two cable ties (F, Figure 2-2) to
secure the trimmer head control cable (C)
to the handlebar at the locations shown.
STEP 3: ATTACH THROTTLE CONTROL
LEVER TO HANDLEBAR
1. The throttle control cable (H, Figure 2-
3) is attached to the engine. Gently unwind
the cable and position the Throttle Control
Lever (I) on the outside of the right handlebar, next to the throttle control decal.
2. Attach the lever with a 1/4-20 x 2 hex
hd. screw (J, Figure 2-3) and 1/4-20 hex
locknut (K).
3. Use a cable tie (L, Figure 2-3) to secure
the cable to the handlebar, as shown.
STEP 4: ADD MOTOR OIL
1. The engine is shipped without motor
oil which MUST BE ADDED before the
engine is started.
2. See the separate engine manual for filling instructions and for oil specifications.
The engine must be level when checking
the oil level. In ambient temperatures
above 400F, use a high-quality, SAE #30
weight detergent oil classified for Service
SF, SG or SH. Use no special additives.
Do not mix oil with fuel.
STEP 5: CHECK TRIMMER
HEAD HARDWARE
Check that the two bolts (M, Figure 2-4)
on the trimmer head are tightened
securely. You can rotate the trimmer
head, as needed.
IMPORTANT: The trimmer head hardware
is permanently installed and is not removable. Do not attempt to replace the hardware.
NOTE: The hole in the top, front end of
the mower deck is an access point that
allows the trimmer head assembly to be
serviced.
To prevent personal injury or property
damage, do not start the engine until all
assembly steps are complete and you
have read and understand the safety and
operating instructions in this Manual.
WARNING
Section 2: Assembly 7
WARNING
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19
04403
(1/97)
•
•
•
A
Figure 2-1
B
Figure 2-3: Attach throttle lever to right-side handlebar.
I
J
K
L
H
Figure 2-2: Handlebar installation.
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190
4
40
3
(
1
/9
7)
•
•
•
A
C
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F
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E
B
G
M
M
Figure 2-4: Check trimmer head hardware for tightness.
Features and Controls
3
Section
8
INTRODUCTION
This Section describes the location and
function of the features and controls on
your machine. Refer to Section 4: “Operation” for detailed operating instructions.
IMPORTANT: Refer to the separate engine
manual for detailed information about the
controls on the engine.
FEATURES AND CONTROLS
Trimmer Head Control Bail
Pull the control bail (A, Figure 3-1) up
against the handlebar (engage bail) to
start rotation of the trimmer head. Let go
of the control bail (disengage bail) to stop
the trimmer head.
Cutting Height Settings
The trimmer head (B, Figure 3-1) is
adjustable to an infinite number of height
settings from 1-1/2" to 4-1/2" (see “Adjust
Line Cutting Height” in Section 4).
Trimming Line Mounting Plates
The two trimming lines (C, Figure 3-1) are
secured to wire-looped line holders.
Replacing the trimmer lines is easy (see
“Changing Trimmer Lines” in Section 5).
Handlebar Height Adjustment
The handlebar (D, Figure 3-1) has two
height settings (see “Adjust Handlebars”
in Section 4).
Plastic Debris Shield
A heavy-duty plastic shield (E, Figures 3-1
and 3-1A) prevents debris build-up on the
engine. The shield tilts forward for access
to the engine.
Engine Throttle Control Lever
Use this lever (F, Figure 3-1) to change
engine speeds and to stop the engine. The
throttle settings are shown on a decal next
to the lever.
Engine Recoil Starter
The recoil starter (G, Figure 3-1) is used to
pull start the engine.
Fuel Primer Button
The fuel primer button (H, Figure 3-1)
allows a cold engine to be primed for
faster, easier starting.
Before operating your machine, carefully read and understand all safety,
controls and operating instructions in
this Manual, the separate Engine
Owner’s Manual, and on the decals on
the machine.
Failure to follow these instructions can
result in serious personal injury.
WARNING
Operating Symbols
Various symbols (shown
here, with word descriptions) are used on the
unit.
STOP
ENGINE
STOP
TRIMMER
HEAD
ENGAGE
BAIL
DISEN-
GAGE
BAIL
SLOW
FAST
STOP
WARNING
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1904403 (1/97)
•
•
•
Figure 3-1: Features and controls
A
C
C
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1904403 (1/97)
•
•
•
Figure 3-1A: Debris shield in operating
position.
E
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