Toro Groundsmaster 300 Series User manual

Part No. 92801SL, Rev. I
Service Manual
Groundsmaster® 300 Series
Preface Groundsmaster 328-D
Use this book along with the Toro Operator’s Manual and Parts Catalog for the specific model and serial
number of the machine, and the Kubota 05 Series Workshop Manual.
This publication will provide the service technician with
information for troubleshooting, testing, and repair of
major systems and components on the Groundsmaster
345, 322-D and 325-D (Model 30788 and 30795).
REFER TO THE TRACTION UNIT AND CUTTING
UNIT OPERATOR’S MANUALS FOR OPERATION,
MAINTENANCE AND ADJUSTMENT INSTRUC-
TIONS. Space is provided in Chapter 2 of this book to
insert the Operator’s Manuals and Parts Catalogs for
your machine. Replacement Operator’s Manuals are
available by sending complete Model and Serial Num-
ber of traction unit and cutting unit to:
The Toro Company
8111 Lyndale Avenue South
Minneapolis, MN 55420
TheToroCompanyreservesthe righttochangeproduct
specifications or this publication without notice.
This safety symbol means DANGER, WARN-
ING, or CAUTION, PERSONAL SAFETY IN-
STRUCTION. When you see this symbol,
carefully read the instructions that follow.
Failure to obey the instructions may result in
personal injury.
NOTE: A NOTE will give general information about the
correct operation, maintenance, service, testing or re-
pair of the machine.
IMPORTANT: The IMPORTANT notice will give im-
portant instructions which must be followed to pre-
vent damage to systems or components on the
machine.
©The Toro Company - 1992, 1996, 1998, 2001, 2003, 2004, 2005, 2007

Table Of Contents
Chapter 1 - Safety
Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1
Chapter 2 - Product Records and Manuals
Product Records. . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1
Equivalents and Conversions. . . . . . . . . . . . . . . . 2 - 2
Torque Specifications . . . . . . . . . . . . . . . . . . . . . . 2 - 3
Maintenance Interval Charts. . . . . . . . . . . . . . . . . 2 - 4
Equipment Operational and
Service Historical Report Record
Chapter 3 - Ford VSG-411 Gasoline Engine
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 1
General Information . . . . . . . . . . . . . . . . . . . . . . . 3 - 2
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 3
Repairs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 6
FORD VSG-411/413 ENGINE SERVICE MANUAL
Chapter 4 - Mitsubishi K3D Diesel Engine
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 2
Specificationis. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 3
Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 11
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 13
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 15
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 18
Preparation for Engine Repair . . . . . . . . . . . . . . 4 - 25
External Engine Component Repair. . . . . . . . . . 4 - 26
Fuel System Repairs . . . . . . . . . . . . . . . . . . . . . 4 - 34
Removing and Installing the Engine. . . . . . . . . . 4 - 46
Cylinder Head Overhaul. . . . . . . . . . . . . . . . . . . 4 - 47
Cylinder Block Overhaul. . . . . . . . . . . . . . . . . . . 4 - 53
Chapter 4A - Kubota Diesel Engine
General Information . . . . . . . . . . . . . . . . . . . . . . . 4 - 2
Specificationis. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 - 3
Chapter 5 - Hydraulic System
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 2
General Information . . . . . . . . . . . . . . . . . . . . . . . 5 - 3
Hydraulic Schematics. . . . . . . . . . . . . . . . . . . . . . 5 - 6
Hydraulic Flow Diagrams . . . . . . . . . . . . . . . . . . . 5 - 7
Special Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 10
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 12
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 18
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 22
Repairs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 - 26
Chapter 6 - Electrical System
Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . . . 6 - 2
Special Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 3
Troubleshooting (Groundsmaster 345) . . . . . . . . . . . . 6 - 6
Troubleshooting (Groundsmaster 322-D/325-D) . . . . . 6 - 12
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 18
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 30
Chapter 6A - Electrical System (S/N 21000000 & Up)
Wiring Schematics . . . . . . . . . . . . . . . . . . . . . . . . 6 - 1
Special Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 - 2
Electrical System Quick ChecksT. . . . . . . . . . . . . 6 - 3
Component Identification and Testing. . . . . . . . . . 6 - 4
Service and Repairs . . . . . . . . . . . . . . . . . . . . . . 6 - 12
Chapter 7 - Differential Axle
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 2
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 3
Chapter 8 - Steering and Brakes
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 1
Schematics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 4
Special Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 4
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 5
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 7
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 9
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 - 11
Chapter 9 - Transmission Coupler and PTO
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 - 2
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 9 - 3
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 - 4
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 - 7
Chapter 10 - 4WD Rear Axle
(GM322-D or GM325-D with Inasaka axle)
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 2
General Information . . . . . . . . . . . . . . . . . . . . . . 10 - 3
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 4
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 5
Chapter 10.1 - 4WD Rear Axle
(GM325-D or GM328-D with Dae Dong axle)
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 2
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 3
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 - 4
Groundsmaster® 300 Series

Chapter 11 - 72″Cutting Units
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 11 - 2
General Information. . . . . . . . . . . . . . . . . . . . . . 11 - 3
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . 11 - 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . 11 - 5Adjustments.
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 - 8
Chapter 12 - Triflex®88″Cutting Unit
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 2
General Information. . . . . . . . . . . . . . . . . . . . . . 12 - 3
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . 12 - 4
. . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 5Adjustments.
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 - 13
Chapter 13 - Guardian®72″Recycler®Cutting Unit
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 13 - 2
Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . 13 - 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . 13 - 4Adjustments.
Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 - 7
Groundsmaster® 300 Series

Chapter 1
Safety
SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . 1
Before Operating. . . . . . . . . . . . . . . . . . . . . . . . . 1
While Operating. . . . . . . . . . . . . . . . . . . . . . . . . . 2
Safety Instructions
TheGroundsmaster300Serieswastestedandcertified
by TORO for compliance with the B71.4 1984 specifica-
tions of the American National Standards Institute. Al-
though hazard control and accident prevention partially
are dependent upon the design and configuration of the
machine, these factors are also dependent upon the
awareness, concern, and proper training of the person-
nel involved in the operation, transport, maintenance,
and storage of the machine.
Before Operating
1. Read and understand the Operator’s Manual before
starting and operating the machine. Become familiar
withallcontrolsandknowhowtostopquickly.Areplace-
ment manual is available by sending complete Model
and Serial Numbers to:
The Toro Company
8111 Lyndale Avenue South
Minneapolis, Minnesota 55420
2. Never allow children to operate the machine. Do not
allow adults to operate the machine without proper
instruction. Only trained operators, skilled in slope op-
eration and who have read the Operator’s Manual
should operate this machine.
3. Never operate machine when under the influence of
drugs or alcohol.
4. Remove all debris or other objects that might be
picked up and thrown by cutter blades or fast moving
components from other attached implements. Keep all
bystanders away from the operating area.
5. Keep all shields and safety devices in place. If a
shield, safety device, or decal is defective or damaged,
repair or replace it before operating the machine. Also,
tighten any loose nuts, bolts, and screws to make sure
machine is in safe operating condition.
While Doing Maintenance, Troubleshooting,
Testing, Adjustments or Repairs . . . . . . . . . . . . . 3
j
Improper operation, maintenance, trou-
bleshooting, testing, adjustments or repairs
of the machine can result in in ury or death.
To reduce the potential for injury or death,
complywith thefollowingsafety instructions.
CAUTION
6. Do not wear loose fitting clothing becauseit could get
caught in moving parts. Always wear long pants and
substantial shoes. Wearing safety glasses, safety
shoes, and a helmet is advisableand required by some
local ordinances and insurance regulations.
7. Be sure interlock switches are adjusted correctly so
engine cannot be started unless traction pedal is re-
leased to neutral position and PTO lever is in OFF
position.
8. Grass deflectors must be installed in lowest position
on side discharge cutting units and properly attached to
Triflex® cutting unit wings.
9. Fill fuel tank with the proper fuel before starting the
engine. Avoid spilling any fuel. Since fuel is very flam-
mable, handle it carefully.
A. Use an approved fuel container.
B. Do not fill fuel tank when engine is hot or running.
C. Do not smoke while handling fuel.
D. Fill fuel tank outdoors and up to about one inch
(25 mm) from the top of the tank, not the filler neck.
E. Wipe up any spilled fuel.
Groundsmaster® 300 Series Page 1 - 1 Safety Instructions

10. Sit on the seat when starting the engine and oper-
ating the machine.
11. On machines equipped with roll-over protection
(ROPS), always use seat belt and ROPS together.
Make sure seat pivot retaining pin is installed.
12. Before starting the engine:
A. Engage parking brake,
B. Make sure traction pedal is in neutral and PTO is
in OFF (disengage) position.
C. After engine is started, release parking brake and
keepfoot offtractionpedal.Machinemust notmove.
If movement is evident, the neutral return mecha-
nism is adjusted incorrectly. Shut engine off and
adjust until machine does not move when traction
pedal is released.
13. Do not run the engine in a confined area without
adequateventilation.Exhaustfumesarehazardousand
could possibly be deadly.
14.Maximumseatingcapacityisoneperson.Therefore,
never carry passengers.
15. Check carefully for overhead clearances before
driving under any objects.
While Operating
16. Using the machine demands the operator’s com-
plete attention. To prevent loss of control:
A. Operate only in daylight or when there is good
artificial light.
B. Drive slowly.
C. Avoid sudden stops and starts.
D. Look behind machine before backing up.
E. Watch for holes or other hidden hazards.
F. Do not drive close to a sand trap, ditch, creek, or
hazard.
G. Reduce speed when making sharp turns and
when turning on a hillside
H. The cutting deck must be lowered when going
down slopes for steering control.
17. To maintain machine control, 35 lb. of weight must
be mounted on rear of traction unit before using the
Triflex 88" cutting unit. More weight may be required in
some steeper slope conditions.
18. Operator must be skilled and trained in how to drive
onhillsides.Failuretousecautiononslopesorhillsmay
cause loss of control and vehicle to tip or roll possibly
resulting in personal injury or death.
19. Traverse slopes carefully. Do not start or stop sud-
denly when traversing slopes or when travelinguphill or
downhill.
20. If engine stalls or machine loses headway and
cannotmakeitto thetopofaslope,donotturnmachine
around. Always back slowly straight down the slope.
21. The grass deflector(s) must always be installed and
in lowest position on the cutting unit. This product is
designed to drive objects into the ground where they
loseenergyquicklyingrassyareas.However,don’ttake
an injury risk!! When a person or pet appears unexpect-
edly in or near the mowing area, STOP MOWING.
Careless operation, combined with terrain angles, rico-
chets, or improperly positioned guards, can lead to
thrown object injuries. Do not resume mowing until area
is cleared.
22. Never raise the cutting unit or other attached imple-
ment while the blades or other parts are rotating.
23. If cutting blades or other implement components
strike a solid object or the machine vibrates abnormally,
disengage PTO, move throttle to SLOW, set parking
brake, and shut engine off. Remove key from switch to
prevent possibility of accidental starting. Check cutting
unitor otherimplementand tractionunitfordamageand
defective parts. Repair any damage before restarting
the engine and operating the implement or cutting unit.
Assure cutting unit blades are in good condition and
blade bolts are torqued to proper specifications (See
Cutting Unit Operator’s Manual).
24. To stop machine, remove foot from traction pedal
and use brakes. Gradually reversing the traction pedal
can provide additional braking.
25.Donottouchengine,muffler,orradiatorwhileengine
is running or soon after it has stopped. These areas
could be hot enough to cause a burn.
26. Lower the cutting unit or other attached implement
to the ground and remove key from switch whenever
machine is left unattended.
Safety Instructions Page 1 - 2 Groundsmaster® 300 Series

27. Before getting off the seat: B. Set the parking brake and disengage the PTO.
A. Move traction pedal to neutral position and re- C. Shut the engine off and remove key from ignition
move foot from pedal. switch. Wait for all movement to stop before getting
off the seat.
While Doing Maintenance, Troubleshooting, Testing, Adjustments or Repairs
28.Removekeyfromignitionswitchtopreventacciden-
tal starting of the engine when servicing, adjusting, or
storing the machine.
29. Make sure you understand a service procedure
before working on the machine. Unauthorized modifica-
tionsto themachine mayimpair thefunction,safety and
life of the machine. If major repairs are ever needed or
assistance is desired, contact an Authorized TORO
Distributor.
30.To reduce potentialfirehazard,keepthe engine free
of excessive grease, grass, leaves, and accumulations
of dirt. Clean protective screen on front of engine fre-
quently. When cleaning parts, do not use flammable
solvents, such as diesel fuel, kerosene or gasoline.
31. THE ASBESTOS BRAKE LININGS CONTAIN ASBES-
TOSFIBERS.BREATHINGASBESTOSDUSTMAYBEHAZ-
ARDOUS TO YOUR HEALTH AND MAY CAUSE SERIOUS
RESPIRATORY OR OTHER BODILY HARM. For your pro-
tection:
A. AVOID CREATING DUST.
B. Do not remove brake drum without proper
equipment.
C. Do not work on brake linings without proper
protective equipment.
D. Do not replace brake linings without proper pro-
tective equipment.
E.Donotattempttosand,grind,chisel,file,hammer,
or alter brake linings in any manner without proper
protective equipment.
F. Follow O.S.H.A standards for proper protective
devices to be used when working with asbestos
materials.
32. If the cutting unit discharge area ever plugs, disen-
gage PTO and shut engine off before removing the
obstruction.
33. Make sure machine is in safe operating condition by
keeping nuts, bolts, and screws tight. Check all cutting
unit blade mounting bolts frequently to assure they are
torqued to proper specifications (See Cutting Unit Op-
erator’s Manual).
34. If machine is equipped with roll-over protection
(ROPS), periodically inspect the roll bar and roll bar
mounting. Repair as necessary. Do not weld, cut, drill,
or modify roll bar in any manner.
35.Makesureallhydrauliclineconnectorsaretight,and
all hydraulic hoses and lines are in good condition
before applying pressure to the system.
36. Keep body and hands away from pin hole leaks or
nozzles that eject hydraulic fluid under high pressure.
Use paper orcardboard, not hands, to search for leaks.
Hydraulic fluid escaping under pressure can have suffi-
cient force to penetrate skin and do serious damage. If
fluid is ejected into the skin, it must be surgically re-
moved within a few hours by a doctor familiar with this
form of injury or gangrene may result.
37. Before disconnecting or performing any work on the
hydraulic system, all pressure in system must be re-
lievedbystoppingengineandloweringimplementtothe
ground.
38. If the engine must be running to perform mainte-
nanceoranadjustment,keepclearofPTOshaft,cutting
unit blades, and other moving parts.
39. Do not over-speed the engine by changing the
governor settings. To ensure safety and accuracy, have
an Authorized TORO Distributor check maximum en-
gine speed with a tachometer.
40. Engine must be shut off before checking oil or
adding oil to the crankcase.
41. Disconnect the cables from the battery before serv-
icing the machine. If battery voltage is required for
troubleshooting or test procedures, temporarily connect
the battery.
42. Do not charge a frozen battery because it can
explode and cause injury. Let the battery warm to 60°F
(15.5°C) before connecting to a charger. Charge the
batteryinawell-ventilatedplacesothatgasesproduced
while charging can dissipate. Since the gasses are
explosive, keep open flame and electrical spark away
fromthebattery;donotsmoke.Nauseamayresultifthe
gases are inhaled. Unplug the charger from the electri-
cal outlet before connecting or disconnecting the
charger leads from the battery posts.
Groundsmaster® 300 Series Page 1 - 3 Safety Instructions

43. Wear safety glasses, goggles or a face shield to
prevent possible eye injury when using compressed air
for cleaning or drying components.
44. Failure to follow proper procedures when mounting
a tire on a wheel or rim can produce an explosion which
may result in serious injury. Do not attempt to mount a
tire unless you have the proper equipment and experi-
ence to perform the job. Have it done by your Toro
Distributor or a qualified tire service.
45. When changing attachments or performing other
service,usethecorrectblocks,hoistsandjacks.Always
use jack stands to safely support the machine when it
is raised by a jack or hoist.
46. At the time of manufacture, the machine conformed
tosafetystandardsineffectforridingmowers.Toensure
optimumperformanceandcontinuedsafetycertification
of the machine, use genuine TORO replacement parts
and accessories. Replacement parts and accessories
made by other manufacturers may result in non confor-
mance with the safety standards, and the warranty may
be voided.
Safety Instructions Page 1 - 4 Groundsmaster® 300 Series

Chapter 2
Product Records and Manuals
Table of Contents
PRODUCT RECORD FORM . . . . . . . . . . . . . . . . . . 1
EQUIVALENTS AND CONVERSIONS . . . . . . . . . . 2
Decimal and Millimeter Equivalents . . . . . . . . . . 2
U.S. to Metric Conversions . . . . . . . . . . . . . . . . . 2
Product Records
Record information about your Groundsmaster 345,
322-D or 325-D on the Equipment Operation and Serv-
ice History Report Form. Use this information when
referring to your machine.
TORQUE SPECIFICATIONS . . . . . . . . . . . . . . . . . . 3
Capscrew Markings and Torque Values - U.S. . . 3
Capscrew Markings and Torque Values - Metric . 3
EQUIPMENT OPERATION
AND SERVICE HISTORY REPORT FORM
Insert Operator’s Manuals and Parts Manuals for your
Groundsmaster 345, 322-D or 325-D at the end of this
section.
Groundsmaster® 300 Series Page 2 - 1 Rev. A Product Records

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Equivalents and Conversions
Decimal and Millimeter Equivalents
Fractions Decimals mm Fractions Decimals mm
1/64 0.015625 — 0.397 33/64 0.515625 — 13.097
1/32 ––––– 0.03125 — 0.794 17/32 –––– 0.53125 — 13.494
3/64 0.046875 — 1.191 35/64 0.546875 — 13.891
1/16–––––––––––– 0.0625 — 1.588 9/16–––––––––––– 0.5625 — 14.288
5/64 0.078125 — 1.984 37/64 0.578125 — 14.684
3/32 ––––– 0.9375 — 2.381 19/32 –––– 0.59375 — 15.081
7/64 0.109275 — 2.778 39/64 0.609375 — 15.478
1/8––––––––––––– 0.1250 — 3.175 5/8––––––––––––– 0.6250 — 15.875
9/64 0.140625 — 3.572 41/64 0.640625 — 16.272
5/32 ––––– 0.15625 — 3.969 21/32 –––– 0.65625 — 16.669
11/64 0.171875 — 4.366 43/64 0.671875 — 17.066
3/16–––––––––––– 0.1875 — 4.762 11/16 ––––––––––– 0.6875 — 17.462
13/64 0.203125 — 5.159 45/64 0.703125 — 17.859
7/32 ––––– 0.21875 — 5.556 23/32 –––– 0.71875 — 18.256
15/64 0.234375 — 5.953 47/64 0.734375 — 18.653
1/4––––––––––––– 0.2500 — 6.350 3/4––––––––––––– 0.7500 — 19.050
17/64 0.265625 — 6.747 49/64 0.765625 — 19.447
9/32 ––––– 0.28125 — 7.144 25/32 –––– 0.78125 — 19.844
19/64 0.296875 — 7.541 51/64 0.796875 — 20.241
5/16–––––––––––– 0.3125 — 7.938 13/16––––––––––– 0.8125 — 20.638
21/64 0.328125 — 8.334 53/64 0.828125 — 21.034
11/32 –––– 0.34375 — 8.731 27/32 –––– 0.84375 — 21.431
23/64 0.359375 — 9.128 55/64 0.859375 — 21.828
3/8––––––––––––– 0.3750 — 9.525 7/8––––––––––––– 0.8750 — 22.225
25/64 0.390625 — 9.922 57/64 0.890625 — 22.622
13/32 –––– 0.40625 — 10.319 29/32 –––– 0.90625 — 23.019
27/64 0.421875 — 10.716 59/64 0.921875 — 23.416
7/16–––––––––––– 0.4375 — 11.112 15/16––––––––––– 0.9375 — 23.812
29/64 0.453125 — 11.509 61/64 0.953125 — 24.209
15/32 –––– 0.46875 — 11.906 31/32 –––– 0.96875 — 24.606
31/64 0.484375 — 12.303 63/64 0.984375 — 25.003
1/2––––––––––––– 0.5000 — 12.700 1 –––––––––––––– 1.000 — 25.400
1 mm = 0.03937 in. 0.001 in. = 0.0254 mm
U.S to Metric Conversions
To Convert Into Multiply By
Linear Miles Kilometers 1.609
Measurement Yards Meters 0.9144
Feet Meters 0.3048
Feet Centimeters 30.48
Inches Meters 0.0254
Inches Centimeters 2.54
Inches Millimeters 25.4
Area Square Miles
Square Feet
Square Inches
Acre
Square Kilometers 2.59
Square Meters 0.0929
Square Centimeters 6.452
Hectare 0.4047
Volume Cubic Yards
Cubic Feet
Cubic Inches
Cubic Meters 0.7646
Cubic Meters 0.02832
Cubic Centimeters 16.39
Weight Tons (Short)
Pounds
Ounces (Avdp.)
Metric Tons 0.9078
Kilograms 0.4536
Grams 28.3495
Pressure Pounds/Sq. In. Kilopascal 6.895
Work Foot-pounds
Foot-pounds
Inch-pounds
Newton-Meters 1.356
Kilogram-Meters 0.1383
Kilogram-Centimeters 1.152144
Liquid Volume Quarts Liters 0.9463
Gallons Liters 3.785
Liquid Flow Gallons/Minute Liters/Minute 3.785
Temperature Fahrenheit Celsius 1. Subract 32o
2. Multiply by 5/9
Equivalents and Conversions Page 2 - 2 Groundsmaster® 300 Series

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o crew To
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arkings
_______________________________________________________________________ _________________________________
rew Torque - Class 8.8 Capscrew Torque - Class 10.9 rew To - Class 12.9
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Torque Specifications
Use these torque values when specific torque values specified values. Torque values listed are for lubricated
are not given. DO NOT use these values in place of threads. Platedthreadsareconsideredtobe lubricated.
Capscrew Markings and Torque Values - U.S. Customary
SAE Grade Number 5 8
Capscrew Head Markings
Capscrew T rque - Grade 5 Caps rque - Grade 8
Capscrew Body Size Cast Iron Aluminum Cast Iron Aluminum
ft-lb Nm ft-lb Nm ft-lb Nm ft-lb Nm
1/4-20 79681115912
-28 9 12 7 9 13 18 10 14
5/16-18 1520121622301824
-24 1723141924331925
3/8-16 3040202540553040
-24 3040253545603545
7/16-14 4560354565905065
-20 5065405570955575
1/2-13 709555759513075100
-20 75 100 60 80 110 150 90 120
9/16-12 100 135 80 110 140 190 110 150
-18 110 150 85 115 155 210 125 170
5/8-11 135 180 110 150 190 255 150 205
-18 155 210 120 160 215 290 170 230
3/4-10 240 325 190 255 340 460 270 365
-16 270 365 210 285 380 515 300 410
7/8-9 360 490 280 380 550 745 440 600
-14 390 530 310 420 610 825 490 660
1-8 530 720 420 570 820 1100 660 890
-14 590 800 480 650 890 1200 710 960
Capscrew Markings and Torque Values – Metric
Commercial Steel Class 8.8 10.9 12.9
Capscrew Head M
Thread Capsc Capsc rque
Diameter Cast Iron Aluminum Cast Iron Aluminum Cast Iron Aluminum
mm ft-lb Nm ft-lb Nm ft-lb Nm ft-lb Nm ft-lb Nm ft-lb Nm
65947914711914711
7 914 7111418111418231418
8182514182332182527362128
10 30 40 25 30 45 60 35 45 50 70 40 55
12 55 70 40 55 75 105 60 80 95 125 75 100
14 85 115 65 90 120 160 95 125 145 195 110 150
16 130 180 100 140 175 240 135 190 210 290 165 220
18 170 230 135 180 240 320 185 250 290 400 230 310
Groundsmaster® 300 Series Page 2 - 3 Torque Specifications

Torque Specifications Page 2 - 4 Rev. A Groundsmaster® 300 Series

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____________________
____________________ __________________
____________________ __________________
____________________ __________________
EQUIPMENT OPERATION AND SERVICE HISTORY REPORT
for
GROUNDSMASTER®345
Unit Model and Serial Number: __________-__________
Deck Model and Serial Number: __________-__________
Engine Numbers: ____________________
Transmission Numbers: ____________________
Drive Axle(s)Numbers: ____________________
Date Purchased: ____________________ Warranty Expires__________
Purchased From: ____________________
Contacts: Parts Phone
Service Phone
Sales Phone
See your TORODistributor/Dealer for other Publications, Manuals, and Videos from The TORO Company.

GROUNDSMASTER®345 Maintenance Schedule
Minimum Recommended Maintenance Intervals:
Maintenance Procedure Maintenance Interval & Service
Every
Every
Every
Check Battery Fluid Level Every 400hrs
200hrs
100hrs
Check Battery Cable Connections 50hrs
Lubricate All Grease Fittings
Lubricate Brake Cables
Check Cutting Unit Gear Box Oil Level
Clean Under Cutting Unit Belt Covers
Check Cutting Unit Drive Belt Adjustment
Check PTO Belt Adjustment A Level
Inspect Air Filter, Dust Cup, and Baffle Service
‡ Change Engine Oil and Filter
† Check Fan and Alternator Belt Tension B Level
Inspect Cooling System Hoses Service
† Replace Transmission Oil Filter
Service Air Filter
Check Governor Oil Level
Decarbon Spark Arrestor Muffler
Check Rear Wheel Toe-In and Steering Linkage C Level
† Torque Wheel Lug Nuts Service
Replace Fuel Filter
Change Transmission Oil
Change Cutting Unit Gear Box Oil
Replace Spark Plugs
Pack Rear Wheel Bearings D Level
Torque Head, Adjust Valves,Check Engine RPM Service
† Initial break in at 10 hours
‡ Initial break in at 50 hours
Replace Moving Hoses Annual Recommendations:
Replace Safety Switches
Coolant System - Flush/Replace Fluid
Items listed are recommended every
1500 hours or 2 years whichever occurs
first.
(See Operator's and Service Manual for specifications and procedures)

_____________
1
GROUNDSMASTER® 345 Daily Maintenance Check List
Unit Designation:__________
Daily Maintenance:(duplicate this page for routine use) TORO ID#:_______-_______
Maintenance Check Item
Daily Maintenance Check For Week Of
MON
_____HRS TUES _____HRS WED _____HRS THURS _____HRS FRI _____HRS SAT _____HRS SUN _____HRS
Safety Interlock Operation
Grass Deflector in Down Position
Brake Operation
Fuel Level
Engine Oil Level
Cooling System Fluid Level
Dust Cup and Baffle (Air Filter)
Radiator & Screen for Debris
Unusual Engine Noises
Unusual Operating Noises
Transmission Oil Level
Hydraulic Hoses for Damage
Fluid Leaks
Tire Pressure
Instrument Operation
Condition of Blades
Lubricate All Grease Fittings
1
Touch-up damaged paint
=Immediatelyafter every washing, regardless of the intervals specified.
Notation for areas of concern: Inspection performed by:________________
Item Date Information
1
2
3
4
5
6
7
(See Operator's and Service Manual for specifications and procedures)

________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________
________________________________ ________________________________ ________________________________
________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________
___________________________________ ________________________________ ________________________________ ___________________________________ ________________________________ ________________________________
Date:______________
(duplicate this page for routine use)
Unit Designation: TORO I.D. #: Remarks:
____________-____________
Service to perform (circle):
A B C D Other
Technician:
Service (every 50 hours) B - Service (every 100 hours) C - Service (every 200 hours)
Check Battery Fluid Level Change Engine Oil and Filter Replace Transmission Oil Filter Check Battery Cable Connections Check Fan and Alternator Belt Tension Service Air Filter Lubricate All Grease Fittings Inspect Cooling System Hoses Check Governor Oil Level Lubricate Brake Cables A-Service required Decarbon Spark Arrestor Muffler Check Cutting Unit Gear Box Oil Level Check Rear Wheel Toe-In and Steering
Clean Under Cutting Unit Belt Covers Torque Wheel Lug Nuts
Check Cutting Unit Drive Belt Adjustment A and B Service required
Check PTO Belt Adjustment
Inspect Air Filter, Dust Cup, and Baffle
D - Service (every 400 hours) Annual Service Additional Servicing Items
Replace Fuel Filter Replace Moving Hoses
Change Transmission Oil Replace Safety Switches
Change Cutting Unit Gear Box Oil Coolant System - Flush/Replace Fluid
Replace Spark Plugs
Pack Rear Wheel Bearings
Torque Head, Adjust Valves, Engine RPM
A, B, and required
GROUNDSMASTER® 345 Supervisor Maintenance Work Order
Hours:
A -
C Service
(See Operator's and Service Manual for specifications and procedures) Form No. 95-844-SL

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____________________
____________________ __________________
____________________ __________________
____________________ __________________
EQUIPMENT OPERATION AND SERVICE HISTORY REPORT
for
GROUNDSMASTER®322-D and 325-D
Unit Model and Serial Number: __________-__________
Deck Model and Serial Number: __________-__________
Engine Numbers: ____________________
Transmission Numbers: ____________________
Drive Axle(s)Numbers: ____________________
Date Purchased: ____________________ Warranty Expires__________
Purchased From: ____________________
Contacts: Parts Phone
Service Phone
Sales Phone
See your TORODistributor/Dealer for other Publications, Manuals, and Videos from The TORO Company.

GROUNDSMASTER®322-D and 325-D Maintenance Schedule
Minimum Recommended Maintenance Intervals:
Maintenance Procedure Maintenance Interval & Service
Every
Every
Every
Check Battery Fluid and Cable Connections Every 400hrs
200hrs
100hrs
Lubricate Grease Fittings 50hrs
Lubricate Brake Cables
Check Cutting Unit Gear Box Oil Level
Clean Under Cutting Unit Belt Covers
Check Cutting Unit Drive Belt Adjustment
Change Engine Oil
Check PTO Belt Tension A Level
Inspect Air Filter, Dust Cup and Baffle Service
‡ Replace Engine Oil Filter
† Check Fan and Alternator Belt Tension B Level
Inspect Cooling System Hoses Service
† Replace Transmission Oil Filter
Service Air Filter
Decarbon Spark Arrestor Muffler
Check Rear Wheel Toe-In and Steering Linkage C Level
† Torque Wheel Lug Nuts Service
Replace Diesel/Water Separator Filter
Replace Electric Fuel Pump Filter
Check Fuel Lines and Connections
Change Cutting Unit Gear Box Oil
Pack rear wheel bearings (2WD)
Change Rear Axle Lubricant (4WD)
Change Transmission Oil D Level
‡ Torque Head, Adjust Valves, and Check RPM Service
† Initial break in at 10 hours
‡ Initial break in at 50 hours
Replace Moving Hoses Annual Recommendations:
Replace Safety Switches Items listed are recommended every
1500 hours or 2 years whichever occurs
Coolant System - Flush/Replace Fluid first.
Fuel Tank - Drain/Flush
(See Operator's and Service Manual for specifications and procedures)

_____________
GROUNDSMASTER®322-D and 325-D Daily Maintenance Check List
Unit Designation:__________
Daily Maintenance:(duplicate this page for routine use) TORO ID#:_______-_______
Maintenance Check Item
Daily Maintenance Check For Week Of
MON
_____HRS TUES _____HRS WED _____HRS THURS _____HRS FRI _____HRS SAT _____HRS SUN _____HRS
Safety Interlock Operation
Grass Deflector in Down Position
Brake Operation
Fuel Level
Engine Oil Level
Cooling System Fluid Level
Drain Water/Fuel Separator
Dust Cup and Baffle (Air Filter)
Radiator & Screen for Debris
Unusual Engine Noises1
Unusual Operating Noises
Transmission Oil Level
Hydraulic Hoses for Damage
Fluid Leaks
Tire Pressure
Instrument Operation
Condition of Blades
Lubricate All Grease Fittings
2
Touch-up damaged paint
1 = Check diesel glow plug and injector nozzles, if hard starting, excess smoke, or rough running is noted.
2 = Immediatelyafter every washing, regardless of the intervals specified.
Notation for areas of concern: Inspection performed by:________________
Item Date Information
1
2
3
4
5
6
7
(See Operator's and Service Manual for specifications and procedures)

________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________
________________________________ ________________________________ ________________________________ ________________________________
________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________
GROUNDSMASTER®Date:______________
(duplicate this page for routine use)
Unit Designation: TORO I.D. #: Remarks:
____________-____________
Service to perform (circle):
A B C D Other
Technician:
A - Service (every 50 hours) B - Service (every 100 hours) C - Service (every 200 hours)
Check Battery Fluid and Cable Connections Replace Engine Oil Filter Change Transmission Oil Lubricate Grease Fittings Check Fan and Alternator Belt Tension Replace Transmission Oil Filter Lubricate Brake Cables Inspect Cooling System Hoses Service Air Filter Check Cutting Unit Gear Box Oil Level A-Service required Decarbon Spark Arrestor Muffler Clean Under Cutting Unit Belt Covers Check Rear Wheel Toe-In and Steering Check Cutting Unit Drive Belt Adjustment Torque Wheel Lug Nuts Change Engine Oil A and B Service required Check PTO Belt Tension Inspect Air Filter, Dust Cup and Baffle
D - Service (every 400 hours) Annual Service Additional Servicing Items
Replace Diesel/Water Separator Filter Replace Moving Hoses
Replace Safety Switches
Check Fuel Lines and Connections Coolant System - Flush/Replace Fluid
Change Cutting Unit Gear Box Oil Fuel Tank - Drain/Flush Pack rear wheel bearings (2WD)
Change Rear Axle Lubricant (4WD)
Change Transmission Oil
Torque Head, Adjust Valves, & Check RPM
A, B, and C Service required
322-D and 325-D Supervisor Maintenance Work Order
Hours:
Replace Electric Fuel Pump Filter
(See Operator's and Service Manual for specifications and procedures) Form No. 95-855-SL