Toro TC 1000 User manual

TC1000 GAS TRIMMER, MODEL 51641
Table of Contents – Page 1 of 3
ABOUT THIS MANUAL
SAFETY INSTRUCTIONS
FOR YOUR SAFETY
MAINTENANCE
MAINTENANCE - AIR CLEANER
MAINTENANCE - MUFFLER
MAINTENANCE - SPARK PLUG
MAINTENANCE - FUEL FILTER
MAINTENANCE - COOLING SYSTEM
MAINTENANCE - TRIMMER IMPLEMENT
MAINTENANCE - FLEX SHAFT
MAINTENANCE - PREPARATION FOR STORAGE
SPECIFICATIONS
ENGINE SPECIFICATIONS
SERVICE SPECIFICATIONS
SPECIFICATIONS
CARBURETOR SPECIFICATIONS
TOOL REQUIREMENTS:
TROUBLESHOOTING
ENGINE DOES NOT PRODUCE SPARK
ENGINE FLOODS DURING STARTING
ENGINE NOT GETTING FUEL
TROUBLESHOOTING
ENGINE LACKS POWER
ENGINE HAS LOW COMPRESSION
ENGINE BACKFIRES (INDICATED BY BURNT AIR CLEANER ELEMENT)
SECTION 1 CARBURETOR
CARBURETOR OPERATION
CARBURETOR OPERATION - THE DIAPHRAGM PUMP
CARBURETOR OPERATION - FUEL METERING & MIXING
CARBURETOR OPERATION - THE PRIMER SYSTEM
CARBURETOR - REMOVAL
CARBURETOR - DISASSEMBLY
CARBURETOR - REASSEMBLY
CARBURETOR - INSTALLATION
CARBURETOR ADJUSTMENT - IDLE SPEED
CARBURETOR ADJUSTMENT - MIXTURE
CARBURETOR ADJUSTMENT - THROTTLE VALVE

TC1000 GAS TRIMMER, MODEL 51641
Table of Contents – Page 2 of 3
SECTION 2 FUEL SYSTEM
FUEL TANK - FUEL TANK - REMOVAL
FUEL TANK - INSTALLATION
PRIMER PUMP - PRIMER PUMP - PROPER USE
PRIMER PUMP - OPERATION
PRIMER PUMP - DISASSEMBLY
PRIMER PUMP INSPECTION
PRIMER PUMP REASSEMBLY
FUEL PICKUP TUBE AND FILTER SERVICE
FUEL CAP - FUEL CAP - OPERATION
FUEL CAP - DISASSEMBLY
FUEL CAP - INSPECTION
FUEL CAP - REASSEMBLY
SECTION 3 IGNITION
IGNITION OPERATION
IGNITION OPERATION - FLYWHEEL
IGNITION OPERATION - IGNITION COIL
IGNITION OPERATION - TRIGGER MODULE
IGNITION OPERATION - SPARK PLUG
AIR GAP ADJUSTMENT
AIR GAP ADJUSTMENT - PREPARATION
AIR GAP ADJUSTMENT - REASSEMBLY
COIL - COIL - REMOVAL
COIL - INSTALLATION
SECTION 4 RECOIL STARTER
RECOIL STARTER - OPERATION
RECOIL STARTER - REMOVAL
RECOIL STARTER - INSTALLATION
RECOIL STARTER - REEL DISASSEMBLY
RECOIL STARTER - REEL REASSEMBLY
RECOIL STARTER - STARTER PULLEY DISASSEMBLY
RECOIL STARTER - STARTER PULLEY REASSEMBLY
SECTION 5 CLUTCH AND FLYWHEEL
CLUTCH SHOES AND FLYWHEEL - OPERATION
CLUTCH SHOES AND FLYWHEEL - INSPECTION
CLUTCH SHOES AND FLYWHEEL - REMOVAL
CLUTCH SHOES AND FLYWHEEL - REASSEMBLY
CLUTCH DRUM AND CLUTCH HOUSING - CLUTCH DRUM AND CLUTCH HOUSING -
CLUTCH DRUM AND CLUTCH HOUSING - REASSEMBLY
SECTION 6 ENGINE
ENGINE - OPERATION
ENGINE - REMOVAL FROM DRIVE TUBE
ENGINE - DISASSEMBLY
ENGINE - CLEANING AFTER DISASSEMBLY

TC1000 GAS TRIMMER, MODEL 51641
Table of Contents – Page 3 of 3
SECTION 6 ENGINE - Continued
ENGINE - INSPECTION
ENGINE - REASSEMBLY
ENGINE - INSTALLATION ON DRIVE TUBE
SECTION 7 CONTROLS
CONTROL AND GRIP - REMOVAL FROM DRIVE TUBE
CONTROL AND GRIP - INSTALLATION ON DRIVE TUBE
SECTION 8 HANDLE
HANDLE - REMOVAL FROM DRIVE TUBE
HANDLE - INSTALLATION ON DRIVE TUBE
HANDLE - ADJUSTMENT
SECTION 9 SHIELD
SHIELD - KNIFE REPLACEMENT
SHIELD - REMOVAL FROM DRIVE TUBE
SHIELD - INSTALLATION ON DRIVE TUBE
SECTION 10 CUTTER HEAD BEARINGS
CUTTER HEAD BEARINGS - REMOVAL
CUTTER HEAD BEARINGS - INSTALLATION
SECTION 11 FLEXIBLE DRIVE SHAFT
FLEXIBLE DRIVE SHAFT - REMOVAL
FLEXIBLE DRIVE SHAFT - SERVICE
FLEXIBLE DRIFT SHAFT - INSTALLATION
SECTION 12 DRIVE TUBE
DRIVE TUBE - REMOVAL
DRIVE TUBE - SERVICE
DRIVE TUBE - INSTALLATION
SECTION 13 TAP AND TRIM HEAD
TAP AND TRIM SPOOL - TAP AND TRIM SPOOL - REMOVAL
TAP AND TRIM SPOOL - LINE REPLACEMENT
TAP AND TRIM SPOOL - REMOVAL
TAP AND TRIM HEAD - TAP AND TRIM HEAD - DISASSEMBLY
TAP AND TRIM HEAD - INSPECTION
TAP AND TRIM HEAD - REASSEMBLY
SECTION 14 FLEX BLADE
FLEX BLADE - REMOVAL FROM DRIVE SHAFT
FLEX BLADE - INSTALLATION ON DRIVE TUBE
SECTION 15 ACCESSORIES
STANDARD AND DELUXE HARNESS - ASSEMBLY

ABOUT THIS MANUAL
This Service Manualwas written expresslyfor the TOR0 TClOOO Gas
PoweredTrimmer. TheTor0 Company hadmade everyeffort tomake the
information in thismanual complete andcorrect.
This manualwas written withthe service technician in mind. It
is organized
so that informationused most oftenis upfront. As a result, you will find
referenceinformation onsafety, maintenance, specifications, special tools
and troubleshootingall inthe front thirdof the manual.
Disassembly, inspection and reassembly proceduresare coveredin thelast
two-thirds of the manual andare grouped bycomponent.
We tried tocover
each common repair with its ownsection or sub-section. For example,you
will findthat air gap adjustment andignition coilreplacement arecalled out
separately.
And, becausecertain componentsare often difficult totroubleshoot without
a good understandingof how theywork, we have included some
component theory. This information can be foundat the beginningof most
service proceduresections.
We are hopeful that you will find thismanual avaluable addition to your
shop. If you shouldcome across anyerrors or
if you have any questions
regarding this manual,pleasecontact us atthe followingaddress:
The Tor0 Company
8111 LyndaleAvenue South
Minneapolis, MN,USA
55420
The Tor0 Company reservesthe right tochange productspecifications or
this manual withoutnotice.
The Tor0 Companygratefully acknowledgesthe assistance of Mitsubishi
Heavy Industries, Ltd. inthe productionof this manual.
COPYRIGHT RIGHTS RESERVED
Tor0 Company 1987
MINNEAPOLIS, MN 55420 U.S.A.

TABLE OF CONTENTS
Reference Information
Page
ForYourSafety 1
Maintenance
2
Specifications 5 I
Tool Requirements 7
Troubleshooting
8
Service Procedures
Page
Section 1
Carburetor
operation 10
disassembly13
reassembly15
installation 17
adjustment 17
removal13
Section
2 FuelSystem
FuelTank
removal19
installation 19
Primer Pump
properuse 19
operation 19
disassembly
20
inspection 20
reassembly 20
Fuel PickupTube and Filter
service
21
Fuel Cap
operation 21
disassembly
22
inspection 22
reassembly 22

Service Procedures (continued)
j
Section 3 Ignition Page
operation 23
air gap adjustment 25
coil removal26
coil installation 26
Section 4
RecoilStarter
Recoil Starter
operation 27
removal 27
installation 27
reeldisassembly27
reelreassembly 28
starter pulley disassembly 29
starter pulley reassembly 29
Section
5 Clutch
Clutch Shoesand Flywheel
operation 30
inspection 30
removal
30
reassembly31
Clutch Drum and Clutch Housing
disassembly31
reassembly31
Section 6
Engine
operation 32
removal from drive tube 34
disassembly35
cleaning after disassembly 36
inspection 37
reassembly38
installation ondrive tube 39
Section 7
Controls
Control andGrip
removal from drive tube 40
installation on drive tube 40
Section 8
Handle
removal from drive tube 41
installation on drive tube 41
adjustment 41
Section 9 Shield
knife replacement 42
removal from drive tube 42
installation ondrive tube 42

Service Procedures (continued)
I
Section 10 Cutter Head Bearings Page
removal
..................................................... 43
installation
.................................................. 43
Section 11
FlexibleDriveShaft
removal ........................................... 44
installation
.................................................. 44
Section 12
DriveTube
removal ..................................................... 45
service
...................................................... 45
installation .................................................. 45
Section 13
Tap and Trim@Head
Tap and Trim@ Spool
removal
................................................. 46
linereplacement
........................................ 46
installation
.............................................. 46
Tap and Trim@ Head
disassembly
............................................. 47
inspection
.............................................. 47
reassembly
............................................. 47
Section 14
FlexBlade
removal from drive shaft 48
installation on drive tube
...................................... 48
Section 15 Accessories
Standard and Deluxe Harness
assembly
.................................................... 49

SAFETY INSTRUCTIONS
PERSONALSAFETY
INSTRUCTION Read
the instructionbecauseit
hasto
do with thesafety.
Failure tocomplywith
the instruction may result
in personalinjury
or death.
This manual is intendedas a service and repair
manual only. Thesafety instructions provided in
this manual are for the troubleshootingand
service of theproductonly. The individual
Operator's Manualwillcontain safety informa-
tion
on the operation of the TC1000.
Operator's Manuals with complete operational
safety instructionsare availablethrough:
The Toro Company
Publications Department
8111 LyndaleAvenueSouth
Minneapolis, MN
55420 U.S.A.
FOR YOUR SAFETY
Avoid possible explosions
Store fuel in acontainer designed for gasoline
andneversmokewhileworking aroundgasoline.
Avoid fires
.. .
Never allow the trimmer enginecloser than one
meter (three feet) to any combustiblematerial.
Avoid accidental misuseof fuel
. ..
Always store fuel inacontainer designed for
gasoline that is properlylabeled.
Avoid falls
.. .
Always wipe upspilled fuel or oil.
Avoid asphyxiation
...
Never operate an engine inaconfined area
without properventilation.
Avoid unexpected starting of the engine
. ..
Always disconnect the spark plug wire before
attempting anycleaning, adjustment orrepair.
Avoid contact witha moving cutterhead.
. .
Always stay clear of the cutter head when the
engine is running. The clutch isamechanical
device whichcouldfail.
Do not rely on it tokeep
the cutter head from turning.
Avoid blindness
...
Always weareye protection when repairing or
running agas trimmer.
Avoid hearing
loss .. .
Wearearprotectionwhen running a gas trimmer.
1

MAINTENANCE
Maintenance Air Cleaner
Servicingoftheair cleaner is recommended
afterevery25 hoursof operation ormoreoftenin
very dusty conditions.
See Fig.
1.
FILTER GRID
AIR
Figure 1
1. Remove the two screws securingtheair
cleaner cover to the trimmer
2. Carefully remove thefiltergrid, foam filter
and filterscreen.
3. Wash thefoam filterin a soap and water
solutionanddrythoroughly.
If thefilter
shows any sign ofdamage, replace it.
4. Saturate the foam filterwith 5 ml(one
teaspoon) of
SAE 30 oil, then squeeze to
distribute theoilevenlyandtoremove excess
oil. Theelementshouldbedamp butnotwet.
5. Wash the filterscreen inacleansolvent and
air dry.
If the filterscreen showsany signs of
damage, replaceit.
6. Reinstall theair cleaner components as
shown inFig.
1. Note thatthe flat side of the
filter grid faces the foam filter.
7. Tighten the aircleaner screws to 0.1 to 0.15
kg m (9 to 13 in Ibs)
2
Maintenance Muffler
Decarbonizing the muffler is recommendedafter
every
50 hours of operation or if engine speed
decreasesdrastically.
1. Remove thethreescrewssecuringthe
muffler cover to the trimmer. See Fig.
2. Be
careful notto
lose the spacer and gasket
material beneath the spark plugprotector
screw.
SPACER
Figure 2
2. Remove the screw securingthemuffler lid
and gasket tothe muffler body.See Fig. 3.
MUFFLER BOD
MUFFLER LID