Operate the CC7074 Concrete Saw and all of its
components according to this manual. Failure to comply
with and understand the following safety, operation and
maintenance instructions can result in serious injuries
and/or death. All operators must be properly trained or
supervised by experienced personnel prior to using this
saw and should understand the risks and hazards
involved. Diamond Products discourages improper or
unintended saw usage and cannot be held liable for any
resulting damages.
Saw modifications should be made by Diamond
Products to ensure safety and design. Any modifications
made by the owner(s) are not the responsibility of
Diamond Products and void all saw warranties if a
problem arises as a result of the modification.
Refer to the CC7074 Parts List for additional information
and part diagrams. Refer to the engine manual and
manufacturer as the primary source for all safety,
operations, and maintenance instructions regarding the
engine. Prior to operating, record the saw’s serial
number, and the engine’s model and serial numbers in
Appendix A.
Notice: The information in this manual may be
updated at any time!
Safety Alerts
DANGER
Serious injuries and/or death will occur if these
instructions are not followed.
WARNING
Serious injuries and/or death could occur if these
instructions are not followed.
CAUTION
Mild and/or moderate injuries could occur if these
instructions are not followed.
Proposition 65
WARNING
Engine exhaust and some of its
constituents are known to the State of
California to cause cancer, birth defects,
and/or other reproductive harm.
Spark Arrester Requirement
WARNING
In the State of California it is a violation of section
4442 or 4443 to use or operate the engine on any
forest-covered, brush-covered, or grass-covered
land unless the engine is equipped with a spark
arrester, as defined in section 4442, maintained in
effective, working order or the engine is
constructed, equipped, and maintained for the
prevention of fire pursuant to section 4443.
Respiratory Hazards
WARNING
Concrete cutting produces dust and fumes known
to cause illness, death, cancer, respiratory
disease, birth defects, and/or other reproductive
harm. Safety protection techniques include, but are
not limited to:
Wearing gloves.
Wearing safety goggles or a face shield.
Using approved respirators.
Washing work clothes daily.
Using water when wet cutting to minimize
dust.
Washing the hands and face prior to
eating/drinking.
For additional safety and self-protection
information contact your employer, the
Occupational Safety and Health Administration
(OSHA), and/or The National Institute for
Occupational Safety and Health (NIOSH).
1
General Safety
Read and understand all safety, operations, and
maintenance instructions provided in this manual
prior to operating or servicing the saw.
Keep saw components clean and free of slurry,
concrete dust, and debris.
Inspect water hoses prior to operating the saw.
Clean, repair, or replace damaged components.
Raise the saw to a proper height for access when
working underneath the saw. Use chocks to block
the wheels, and fit blocks or jacks under the frame
edges.
WARNING – Do NOT work on saw
using the hydraulic lift system to keep
the saw in the raised position for
maintenance or repair. Accidental loss
of hydraulic pressure could cause the
saw to drop suddenly, causing serious
injury or death.
When using a jack to raise the saw, place the jack
against a solid, flat area under the frame base to
properly support the saw.
Repair the saw immediately when a problem arises.
Replace saw decals if unreadable.
Dispose of all hazardous waste materials according
to city, state, and federal regulations.
Always have a phone nearby, and locate the nearest
fire extinguisher and first aid kit prior to operating the
saw.
Operate the saw wearing flame resistant clothing.
Always wear safety glasses when removing retaining
rings.
Persons under the statutory age limit should not
operate the saw.
Keep all body parts away from rotating machinery.
Replace all guards and access panels (unless stated
otherwise) prior to operating the saw.
Always pivot front of blade guard fully to avoid
serious injuries.
DO NOT assume the saw will remain still when in
neutral or when parking/stopping the saw on a
slope. Chock the wheels to help prevent
unnecessary movement.
DO NOT:
Drop equipment, supplies, tools, etc., when handling
Lift and carry equipment, supplies, tools, etc., that
to help prevent injuries.
are too heavy and/or cannot be lifted easily.
DO NOT (cont.)
Operate the saw without using the appropriate
safety equipment required for the work task.
Operate or service the saw with any clothing, hair, or
accessories that can snag in the machinery, which
could lead to serious injuries or death!
Operate the saw using attachments not associated
with or recommended for the saw.
Operate the saw around combustible materials or
fumes to prevent fires/explosions.
Operate the saw with anyone near the work area or
within the direct line of the blade.
Operate the saw until all unnecessary materials
have been removed from the work area.
Operate the saw with loose nuts, screws, and bolts.
Operate the saw when ill or fatigued.
Operate the saw under the influence of drugs and/or
alcohol.
Operate the saw on steep slopes.
Cut concrete with guards and access panels
removed.
Grease the saw with the engine running.
Touch hot components when operating the saw.
Leave the saw unattended until the engine is off and
the blade has stopped spinning.
Place the saw into storage until it has cooled down.
Service the saw until it has cooled down.
Service the saw with the engine running.
:
Battery and Electrical Safety
Ignitable explosive gases are
emitted from the battery. DO NOT
expose the battery to sparks or open
flames.
Keep the area around the battery well-ventilated.
Keep the battery level when handling it.
Use protective eyewear or a face shield, and avoid
contact with the skin when handling/servicing the
battery.
Use a proper battery tester when testing the battery
strength.
Always be sure to connect the battery cables to the
proper terminal when reconnecting the cables.
Occasionally inspect the battery, cables, clamps,
and terminals for damages. Service components as
necessary.
2
Always keep the battery cable clamps away from the
battery terminals when the battery is disconnected to
avoid accidental connections while servicing.
Immediately rinse your clothing, skin, or eyes with
water if exposed to battery acid. Seek medical
attention immediately!
Disconnect the battery prior to servicing all saw
components (unless stated otherwise).
Remove the battery when storing the saw for longer
periods.
Always use the correct size fuses (amps) to prevent
fires.
Blade Safety
Always use reinforced abrasive blades or steel-
centered diamond blades.
Never use a wet cutting blade without an adequate
water supply to properly lubricate the blade.
Inspect all blades prior to usage and discard
damaged blades.
DO NOT install or remove a blade with the engine
running.
Keep all body parts away from rotating blades.
Inspect the blade flanges for damages, wear, and
cleanliness. Clean or replace dirty/damaged
components immediately.
DO NOT expose yourself or anyone
else to the direct line of the blade when
operating the saw.
Always use an appropriate size blade and the
correct blade type based on the cutting task and the
type of material being cut.
The blade must always fit snug on the blade shaft,
outer flange, and/or inner flange.
Wear gloves and be alert to the surrounding
environment when handling blades.
When installing the blade, always point the arrow
printed on the blade in the direction of the blade
shaft’s rotation.
DO NOT exceed the blade’s maximum
recommended speed when cutting. Excessive blade
speeds can cause blade breakage, resulting in
serious injuries and/or death!
DO NOT use damaged blades when cutting to avoid
harming yourself, others, or the saw.
DO NOT use a blade for cutting that requires a lower
speed than the blade shaft speed.
Always tighten the blade shaft bolt/screw as directed
to properly secure the outer flange and blade.
Failure to properly secure the outer flange and blade
may cause parts to loosen or fall off the saw,
resulting in serious injuries or death!
Let the blade cool prior to removal when dry cutting
(applicable models).
Blade Guard Safety
DO NOT operate the saw with the blade guard
raised or removed.
Blade exposure should not exceed 180° while
cutting.
When pivoting the front of the blade guard,
raise/lower it cautiously and slowly to avoid serious
injuries.
DO NOT pivot the blade guard front up or down
when installing/removing very large blades.
Attempting to pivot the front of a heavy guard when
the guard is positioned higher up for blade
installation/removal makes the guard difficult to lift
and/or lower. In this situation, install/remove the
blade guard front instead of pivoting it.
Always pivot the front of the blade guard
180° (fully upward) so the guard does
not swing down unexpectedly, causing
serious injuries.
Always secure the pivoted section of the blade
guard using the detent pin (guards 26” and up).
Use extreme caution when installing/removing parts
of a guard or the entire guard as guards can be
extremely heavy and may require
installation/removal at moderate heights.
DO NOT install or remove the blade guard with the
engine running.
Always use a blade guard that corresponds with the
blade size.
Inspect the blade guard and water tubes prior to
starting the saw. Clean or replace dirty/damaged
components immediately.
Fuel Safety
Always use caution when refueling.
Store all fuel in appropriate safety containers.
DO NOT operate the saw with a fuel leak.
DO NOT fuel the saw with the engine running.
Let the engine cool prior to adding fuel.
Refer to the engine manual for recommended fuels.
Always use appropriate fuels in cold weather.
Move the saw away from the refueling area prior to
starting the engine.
DO NOT smoke or expose fuel to open
flames when filling the fuel tank or
working with fuel.
Clean up any spilled fuel prior to starting the engine.
3
Drain the fuel tank and fuel lines when storing the
saw for longer periods of time. Refer to the engine
manual for additional recommendations.
Engine Safety
Refer to the engine manual as the primary source
for engine safety.
Always know how to turn off the engine quickly for
emergency purposes.
Make sure the saw is in neutral when starting the
engine.
Fill the fuel tank and check the oil level prior to
starting the engine.
Keep all body parts away from
rotating saw parts with the engine
running.
DO NOT start the engine without the air filter(s)
installed.
DO NOT allow dust to enter the air intake tube when
cleaning/replacing air filter(s).
Replace damaged components immediately that
may allow dust to enter the engine.
DO NOT leave the engine running unattended.
Always operate the saw in well-ventilated
areas. Concentrated engine exhaust can
cause loss of consciousness and/or death.
DO NOT touch the engine/muffler assembly with the
engine running, and always let them cool down prior
to touching or servicing the saw.
Handle hot oil carefully when changing the oil.
Let the engine cool prior to removing pressurized
caps (applicable models).
DO NOT use any starter substances or starter fluids
(e.g., starter fluid sprayed into the air filter) when
starting the engine using a glow plug (applicable
models). These materials are extremely flammable
and explosive, and can melt parts or possibly
explode when used to help start the engine.
Cutting Safety
The direct work area should not contain buried or
embedded electrical, gas, or water lines that could
be damaged and/or cause personal injury while
cutting.
Turn off all electricity, gas, and water around the
direct work area prior to cutting.
DO NOT expose yourself or anyone else to the
direct line of the blade when operating the saw.
DO NOT allow any person, animal, and/or objects in
and around the work area while cutting.
Hydraulic Safety
Turn off the engine prior to servicing hydraulic
components.
Lower the saw completely prior to servicing to
decrease the hydraulic pressure in the lines.
Always make sure any hydraulic components being
serviced are not supporting the weight of other saw
components. If a particular component is under
pressure when connection points are loosened, oil
may spray out forcefully.
Always place a piece of cardboard or
paper up against hydraulic components,
or use a leak detection fluid to check for
hydraulic fluid leaks. Keep all body
parts away from leaks and/or areas that may eject
hydraulic fluid. Pressurized hydraulic fluid can
penetrate the skin, causing serious injuries. Seek
medical attention immediately!
Belt Safety
Turn off the engine and let the belts cool down prior
to servicing them.
Regularly inspect the belts for fraying, stress cracks,
and/or breakage and replace immediately when
damaged. Always check the belt alignment prior to
operating the saw.
Use extreme caution when working with belts and
rotating machine parts to avoid entanglement.
Over-tensioning belts may reduce the life of the
gearbox bearings. Under-tensioning belts may
cause slippage, shorter belt life, and/or poor saw
performance.
Squealing belts indicate looseness.
DO NOT use old and new belts together on the
same sheave.
Transporting Safety
Remove the blade prior to transporting the saw.
Make sure the truck/trailer is in good, working
condition and sufficient to transport the load. DO
NOT tow the saw behind a vehicle.
Close the fuel shutoff valve (applicable models)
when transporting.
Drain the fuel tank when transporting long distances.
Use heavy-duty ramps that will support the weight of
the saw and yourself when loading or unloading.
Raise the saw to avoid damaging components while
moving up and down ramps.
4
Transporting Safety (cont.)
Use extreme caution when guiding the saw up and
down ramps. Slowly drive the saw forward down
the ramp. Slowly back the saw in reverse up the
ramp. Avoid standing directly downhill from the
saw to prevent machine rollover.
Place the saw in neutral and turn off the engine once
the saw is loaded in the truck/trailer.
Chock the wheels and secure the saw in the
truck/trailer prior to transporting.
Refer to the Department of Transportation (DOT) for
additional transportation recommendations.
Lifting Safety
Move yourself and all others away from
the lifting area when hoisting the saw to
prevent being crushed.
Secure the appropriate hoisting cables, straps,
and/or chains to the saw’s designated lift points prior
to hoisting.
Never use the tie-down brackets (applicable models)
to lift the saw.
DO NOT attempt to lift the saw irresponsibly and/or
improperly.
5
Introducing the CC7074
Controls
6
7
8
9
10
11
12
2a
5
4
3
15
1
16
17
18
19
20
25
21
22
26
23
4
14
24
13
2b
1
1. Handlebar Lock Lever–Locks handlebar in
position.
2a. Water Valve and Hose Fitting–(LH side) -
Lever controls water flow rate; hose fitting
connects to water source hose.
2b. Water Valve and Hose Fitting–(RH side)-
Lever controls water flow to blade guard; hose
fitting connects to water supply hose.
3. Fuel Tank Cap–Fill port; indicates fuel level.
4. Spotlight Bar Lock Knob–Locks spotlight bar
in position.
5. Blade Gearbox Temperature Light–Indicates
high oil temperature in blade gearbox.
Figure 1: CC7074 Controls
6. Radiator Cap–Fill port when adding or changing
radiator fluid.
10. Low Blade Water Light–Indicates low water
pressure to blade.
11. Blade Depth Stop Switch–Sets and resets
blade depth setting.
12. Blade Depth Set Light–Indicates blade depth is
set.
13. Spotlight–Light source.
7
14. Cutting Depth Indicator–Indicates blade’s
depth from surface.
15. Vernier Throttle–Increases or decreases
engine speed.
16. Coolant Temperature Gauge–Indicates engine
coolant temperature. Note: Check the cooling
system when the coolant temperature light turns
on, or when the coolant temperature gauge
passes the red mark.
17. Ignition Switch–Four-position switch acti v a t e s
the glow plug, stops the engine, provides power
to certain accessories, or starts the engine.
18. Engine Warning Light Gauge–Indicates high
coolant temperature, low oil pressure, low
battery voltage, and an energized glow plug.
19. Blade Tachometer/Hour Meter–Indicates blade
speed and total number of saw hours operated.
20. Auto Water Switch–Activates automatic water
system. Water turns on/off when depth indicator
enters Auto Water On/Off Zone.
21. Free Wheel Switch–Allows operator to move
saw forward/backward (with ignition switch at
Run).
22. Speed Control Lever–Forward, stop (neutral),
and reverse control.
23. Control Grip–Two pushbuttons on front of grip
raise or lower the saw and blade. Pushbutton
on side of grip tilts handlebars, allowing them to
be moved up or down to desired position.
24. Blade Clutch Switch (optional)–Allows
operator to engage or disengage blade rotation.
25. Spotlight Switch–Activates spotlight.
26. Water Pump Switch (optional)–Activates water
pump.
8
Dimensions
Figure 2: CC7074 Dimensions
Table 1: CC7074 Dimensions InchesMillimeters
A Saw height 52-1/2" 1334 mm
B Minimum Saw Length 63-1/2" 1613 mm
C Maximum Saw Length 140" 3556 mm
D Maximum Handle Extension 28" 711 mm
E Frame Length 53-3/4" 1365 mm
F Wheel Base Length 24-1/4" 616 mm
G Saw Width 36-1/2" 927 mm
H Frame Width 29" 737 mm
I Front wheels - Inside Width 20-1/2" 520 mm
J Rear wheels - Outside Width 27-3/4" 705 mm
K Inner Flange to Inner Flange Width 31-3/4" 806 mm
L1 Ground Clearance when level 2-1/2" 63 mm
L2 Ground Clearance when raised 1-3/4" 44 mm
maximum height - blade shaft(not shown) 26" 660 mm
Crated dimensions (L x W x H) - 70" x 44" x 59"
9
Specifications
Table 1: CC7074 Specifications
Maximum Cutting Depth 19-3/4” with 48” blade
Blade Shaft Diameter 2”
Arbor Diameter 1” with single drive pin
Blade Shaft Bearings Multiple ball bearings in oil bath
Blade Shaft Drive 20 V-belts (four power bands)
Blade Mounting Right or left
Blade Raise/Lower Electro-hydraulic pump
Blade Coolant Dual multi-spray tubes
Blade Guard Attachment
Handlebars Length and tilt adjustable
Drive Speed 0-250 ft/min
Front Wheels 8” x 3”
Rear Wheels 10” x 3”
Transmission Hydro pump powering dual wheel motors
Uncrated Weight
(add 125 lb for crated weight)
Table 2: Engine Specifications
Manufacturer Kubota
Model V3307-DI-T-E3-B
Maximum Horsepower (HP) 74.3 HP @ 2,600 RPM
Fuel Capacity Nine gallons
Fuel Type Low sulfur/ultra-low sulfur diesel fuel
Air Filter Four-stage with restriction indicator
Power at Blade Shaft 70 HP
Note: Refer to the engine manual and manufacturer for additional engine information and
specifications.
Slip-on through 30”, bolt-on 36” and up
2,000-2,225 lb
(weight depends on model and added options)
10
Operating the CC7074
For additional information and detailed diagrams on
individual saw components, refer to the CC7074 Parts
List in conjunction with this manual.
Tie-Downs
Use the tie-downs (one at the back and one at the front
end of the saw) when securing the saw in a truck/trailer
for transportation. DO NOT over-tighten a chain/rope to
the front end tie-down, which may bend the frame and
damage the saw.
Footrest
Use the footrest, if desired, to add body weight to the
rear of the saw and improve the rear wheel traction
when cutting.
5. Remove the weight bar as necessary.
Spotlight
1. Loosen both spotlight bar lock knobs and slide the
spotlight bar from side-to-side to adjust the length of
the bar.
2. Tighten the lock knobs to secure.
3. Turn the spotlight switch on or off as needed for
additional lighting.
Handlebars
The handlebars help to guide and maneuver the saw.
Place the handlebars in the desired position for better
leverage when lifting and steering. To maneuver the saw
forward or backward, turn on the Free Wheel switch and
move the saw as desired (the free wheel component
only works with the ignition key at Run).
Figure 3: Footrest
Weight Bar (Optional)
The weight bar (optional) adds 55 lb to the saw to
improve the rear wheel traction when cutting. Note: The weight bar is a standard feature on the 48” blade saw.
1. Attach the second footrest to the back of the frame
base using the screws, washers, and lock nuts
provided.
2. Rest the weight bar on top of both footrests.
3. Place a flat washer onto both screws. Fit the screws
through the screw holes on top of the weight bar and
through the slot on both footrests.
4. Place a fender washer onto each screw underneath
the footrest and secure with a lock nut.
Figure 4: Handlebar
Adjusting the Handlebars
1. Loosen the handlebar adjusting lever.
2. Move the handlebar forward or backward to adjust
the length and retighten the adjusting lever to
secure.
3. Press the Tilt Handlebar pushbutton and move the
handlebar up or down to adjust the angle. Note: The
button only works with the ignition key at the Run
position.
4. To reposition adjustment lever, pull out and move to
desired lever position.
11
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