DIAMOND PRODUCTS OPERATOR’S MANUAL CONCRETE SAW MODEL: CC7074 Manual # 1801371 Page 1
Table of Contents Safety Precautions................................................. 1 Safety Alerts................................................................ 1 Proposition 65 ............................................................. 1 Spark Arrester Requirement ....................................... 1 Respiratory Hazards ................................................... 1 General Safety ............................................................ 2 Battery and Electrical Safety...............
Restriction Indicator ...................................................... 31 Rubber Dust Ejector Boot ............................................. 31 Cleaning/Replacing the Outer Primary Filter ................. 31 Replacing the Inner Safety Filter ................................... 32 Storing ....................................................................... 33 Disposal .................................................................... 33 References ...........................................
Safety Precautions 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.
General Safety 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.
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.
Drain the fuel tank and fuel lines when storing the saw for longer periods of time. Refer to the engine manual for additional recommendations. Hydraulic Safety 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.
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.
Introducing the CC7074 Controls 6 8 7 9 10 11 12 26 5 13 4 4 25 14 3 2b 15 2a 16 18 20 19 21 17 24 22 23 1 1 Figure 1: CC7074 Controls 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.
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.
Dimensions Figure 2: CC7074 Dimensions Table 1: CC7074 Dimensions A B C D E F G H I J K L1 L2 Saw height Minimum Saw Length Maximum Saw Length Maximum Handle Extension Frame Length Wheel Base Length Saw Width Frame Width Front wheels - Inside Width Rear wheels - Outside Width Inner Flange to Inner Flange Width Ground Clearance when level Ground Clearance when raised maximum height - blade shaft(not shown) Crated dimensions (L x W x H) - 70" x 44" x 59" 9 Inches Millimeters 52-1/2" 63-1/2" 140" 28" 53-3
Specifications Table 1: CC7074 Specifications Maximum Cutting Depth Blade Shaft Diameter Arbor Diameter Blade Shaft Bearings Blade Shaft Drive Blade Mounting Blade Raise/Lower Blade Coolant 19-3/4” with 48” blade 2” 1” with single drive pin Multiple ball bearings in oil bath 20 V-belts (four power bands) Right or left Electro-hydraulic pump Dual multi-spray tubes Blade Guard Attachment Slip-on through 30”, bolt-on 36” and up Handlebars Drive Speed Front Wheels Rear Wheels Transmission Uncrated Weight
Operating the CC7074 For additional information and detailed diagrams on individual saw components, refer to the CC7074 Parts List in conjunction with this manual. 5. Remove the weight bar as necessary. Tie-Downs 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.
Adding Fuel 1. Lower the saw to level the frame. 2. Turn off the engine and let the saw cool down. 3. Remove the fuel tank cap. 4. Fill the fuel tank with low sulfur or ultra-low sulfur diesel fuel. DO NOT overfill the tank for expansion purposes. Refer to the engine manual for information on appropriate diesel fuels in normal and cold weather temperatures. 5. Replace the fuel tank cap and secure.
Figure 6: Frame Base Mount Figure 7: Flange Guard Installed Removing the Flange Guard 1. Remove the lock pin from the tapered frame mount. 2. Remove the flange guard from the tapered frame mount. 2. Insert the lock pin through the hole on the tapered frame mount to secure the guard. 3. For guards 36” and up, raise the saw slightly. Place a lock washer and then a flat washer onto the blade guard screw.
1. Select a blade size and type. Remember to check the blade for damages and discard as necessary. Note: If changing the blade size, adjust and/or change all necessary saw components according to the information in the CC7074 Parts List. 2. Remove the detent pin (guards 26” and up) from the guard hinge and pivot the front of the blade guard 180° (fully upward) to gain access to the blade flanges.
9. Place the lock washer and then the flat washer onto the blade shaft screw and insert the screw into the blade shaft through the center of the outer flange. 10. Tighten the screw by hand. Slowly lower the saw, if necessary, until the blade just touches the ground. 11. Tighten the screw again, using the wrench, to 125 ftlb (170 Nm) minimum to secure the outer flange and blade. 12. Remove the detent pin (guards 26” and up) from the guard hinge and pivot the front of the guard down over the blade to secure.
Stopping the Engine Vernier Throttle Operation 1. Turn the Hold/Release knob counterclockwise to loosen the knob. 2. Turn the throttle counterclockwise to increase the engine/blade speed, or push in the throttle’s springloaded tip and pull the throttle out to increase the engine/blade speed. Turn the throttle clockwise to decrease the engine/blade speed, or push in the throttle’s spring-loaded tip and push the throttle in to decrease the engine/blade speed. 3.
5. Connect water supply hose (54”) from the hose fitting at bottom right side of the upper gearbox to the manifold on the blade guard. 6. Move the water valve lever on right side of saw to full open. Increase or decrease water flow by moving the valve lever on the left side of the saw connected to the source hose. Note: water on/off operation and flow adjustment can be made from either side of saw, if desired. 7.
Adjusting the Rear Pointer(s) 1. Loosen the rear pointer nut and screw on the back of the frame base. 2. Adjust the orientation of the rear pointer rod and retighten the screw and nut to secure. Making a Cut 1. Align the blade and cutting guide(s) with the cut line. 2. If the saw is equipped with a clutch (optional), turn on the Blade Clutch switch with engine at idle to start the blade rotation. 3. Turn on the water and adjust the water flow. 4.
8. At the start of the cut line, lower the blade back into the cut and make a second, deeper pass across the entire cutting line. 9. Continue the step-cut process to reach the maximum depth. DO NOT cut any deeper than required. Making a Cut Using the Blade Depth Stop 1. Align the blade and cutting guide(s) with the cut line. 2. If the saw is equipped with a clutch (optional), turn on the Blade Clutch switch with the engine at idle to start the blade rotation. 3. Turn on the water and adjust the water flow.
Maintaining the CC7074 Every 250 Hours Failure to read and comply with the maintenance instructions provided in this manual prior to performing maintenance may result in serious injuries and/or death, and may harm the saw. DO NOT attempt to perform maintenance on the saw if you are not properly trained for it, or are not supervised by an experienced person. Change the hydraulic oil filter (replace once after first 50 hours, then as scheduled). Change the in-line fuel filter.
3. Reinsert the mesh strainer and retighten the strainer cap to the filter. Installing the Inner Blade Flange 1. Inspect the inner flange for damages. Clean or replace damaged components as necessary. 2. Align the flange with the blade shaft key and place the flange onto the blade shaft. 3. Apply Loctite 262 (red) or an equivalent to the setscrew threads. 4. Tighten the setscrew(s) into the back of the inner flange to secure.
1. Move the saw to level ground. Use a jack to lift the rear wheels off the ground. 2. Pry the hubcap off the wheel using a screwdriver or pry bar. 3. Remove all four lug nuts from the wheel. 4. Remove the wheel and place a new wheel onto the wheel hub. 5. Replace the lug nuts and tighten to secure. 6. Replace the hubcap and secure in place using a rubber mallet. 7. Replace the second rear wheel as directed. 8. Slowly lower the jack and remove the jack stand when the wheels are firmly touching the ground.
5. Remove all tools from the area and lower the saw completely. The blade flanges must be at least 1/4” from the ground to prevent component damage. Note: Make sure both skid plates on the front of the saw are in the correct set of holes in order to lower the saw completely (refer to CC7074 Parts List). 6. Readjust the depth bolts as necessary.
13. Replace the battery lid, fit a fender washer and then a lock washer onto each j-bolt, and retighten both wing nuts to secure the lid. Electrical System WARNING Disconnect the battery when servicing the electrical system unless stated otherwise. Always use the correct size fuses (amps) to prevent fires. Figure 22: Battery Inspect all fuses if switches or controls are not working properly and replace as necessary. If fuses are failing frequently, determine the cause and repair immediately.
9. Replace the radiator cap and retighten to secure. Changing the Radiator Fluid Change the radiator fluid every 500 hours of operation, or every two years (whichever comes first). DO NOT drain the radiator fluid when hot. Hydraulic System 1. Open the radiator door. 2. Place a drain pan under the radiator drain valve. Figure 26: Drain Valve Wing Nut WARNING Always place a piece of cardboard or paper up against hydraulic components, or use a leak detection fluid to check for hydraulic fluid leaks.
Adding Hydraulic Fluid to the Reservoir Tank Check the hydraulic fluid daily and add fluid to the reservoir tank as necessary. 1. Lower the saw to level the engine. 2. Remove the reservoir tank cap. 3. Add SAE 15W-40 oil or equivalent to the reservoir tank fill line. DO NOT overfill as fluid will leak out from the reservoir cap. 4. Replace the cap and tighten to secure. Figure 30: Upper Gearbox 1. Lower the saw to level the frame. 2.
Lower Gearbox Clean the lower gearbox breather vent (at end of vent tube) using compressed air to remove oil, dirt, and slurry every 100 hours. Figure 33: In-Line Oil Filter Cleaning the In-Line Oil Suction Filter Clean the in-line oil suction filter every 100 hours. Replace the filter when it cannot be properly cleaned or is damaged. Figure 32: Lower Gearbox Breather Vent Changing the Lower Gearbox Fluid Change the lower gearbox fluid every 100 hours. 1. Lower the saw completely. 2.
Blade Drive Belts Figure 34: Sheave Setscrews WARNING Turn off the engine prior to servicing the belts. Use extreme caution when working with belts and rotating machine parts to avoid entanglement. Let the belts cool down prior to servicing them. CAUTION Inspect all belts daily for fraying, stress cracks, and/or breakage and replace immediately when damaged. Always re-tension new belts after the first four hours of use.
1. Lower the saw completely. 2. Place a drain pan under the hoses and in-line filter. 3. Pinch the hose on both sides of the filter using an appropriate pinch-off tool for tubing. 4. Remove the hose clamp from both sides of the filter. 5. Remove the filter from the hoses. Drain any escaping fuel and dispose of the used fuel and filter according to city, state, and federal regulations. 6.
Air Cleaner Restriction Indicator Figure 38: Oil Drain Hose Figure 40: Restriction Indicator 1. Remove Hydraulic lift pump cover. 2. Remove oil drain hose from behind lift pump. 3. Level saw frame and place drain pan beneath drain hose. Service the air filters when the restriction indicator turns red. Press the restriction indicator reset button on the top of the indicator to reset the unit after the air filters has been serviced.
1. Pull out the tab on the air cleaner housing end cover. 8. Turn the end cover clockwise to lock the cover onto the air cleaner housing, making sure the dust ejector boot is in the vertical position. 9. Push the tab in on the air cleaner housing end cover to secure. Replacing the Inner Safety Filter DO NOT clean the inner safety filter. Replace it after approximately one year, or if there are damages. DO NOT operate the saw without the filter installed. 1.
Storing Complete the tasks listed below prior to storing the saw for longer time frames: Drain the water lines/hoses. Turn off all switches and controls. Lower the saw completely to remove strain on the lifting mechanism. Clean and wipe down the saw to remove dust, debris, and slurry from saw components (especially fans). Remove the battery and store in a proper location, out of reach from children. Refer to the engine manual for all engine and fuel recommendations prior to storing.
References Appendix A Serial Tags Record the saw’s serial number below for future reference and customer service purposes. Serial Number Record the engine’s model and serial numbers below for future reference and customer service purposes.
Appendix B Daily Maintenance Task Chart Table 3: Daily Maintenance Task Chart Date 1. Inspect the saw for damages and repair. 2. Tighten loose nuts, screws, and bolts. 3. Check all fluid levels (fuel, engine oil, hydraulic fluid, radiator fluid, upper and lower gearbox oil) and fill as necessary. 4. 5. 6. Wipe down and clean all saw components to remove dust, debris, and slurry (especially from fans). Inspect all belts for tension and wear. Replace or tension as necessary.
Appendix C Belt Tension Settings Table 4: Belt Tension Settings Model Engine Type Belt Belt No. CC7074 Kubota V3307-DI-T-E3-B Blade Drive Belts 5/3VX375 5/3VX355 Deflection Force Deflection 30 lb .17” Deflection (in.) should be equal to number of inches listed in chart above when deflection force (lb) listed in chart above is applied to middle of belt using tension gauge.
Appendix D Troubleshooting Table 5: Troubleshooting Symptom 1. Engine will not start. 27. Saw will not raise. 28. Saw will not lower. 29. Saw will not completely lower. 30. Saw lowers too slow/too fast. 31. Blade does not cut straight. Problem Out of fuel? Emergency stop button down? Fill fuel tank. Pull up emergency stop button. Fuel lines clogged? Unclog or replace fuel lines.
Appendix E Additional Resources 1. Kubota (www.kubota.com) Operator’s Manual V2607-DI-T-E3-B, V3307-DI-T-E3-B; Japan 33. Diamond Products (www.diamondproducts.com) CC7074 Concrete Saw Parts List; Ohio, 2010 A Guide for Professional Concrete Cutters Training Manual – Introduction to Diamond Blades, Bits, and Equipment Diamond Products’ Equipment Catalog Diamond Products’ Website (www.diamondproducts.com) 34. Concrete Sawing and Drilling Association (www.csda.
Notes: 40
Issued: 6 June 2011 Diamond Products Limited, 2011
