Safety Precautions Proposition 65 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 WARNING maintenance instructions can result in serious injuries Engine exhaust and some of its and/or death.
DO NOT (cont.): General Safety Operate the saw without using the appropriate Read and understand all safety, operations, and safety equipment required for the work task. maintenance instructions provided in this manual prior to operating or servicing the saw. ...
Always keep the battery cable clamps away from the Let the blade cool prior to removal when dry cutting battery terminals when the battery is disconnected to (applicable models). avoid accidental connections while servicing. Blade Guard Safety Immediately rinse your clothing, skin, or eyes with water if exposed to battery acid.
Drain the fuel tank and fuel lines when storing the Hydraulic Safety saw for longer periods of time. Refer to the engine Turn off the engine prior to servicing hydraulic manual for additional recommendations. components. Lower the saw completely prior to servicing to Engine Safety decrease the hydraulic pressure in the lines.
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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. ...
Introducing the CC7074 Controls Figure 1: CC7074 Controls 1. Handlebar Lock Lever–Locks handlebar in 6. Radiator Cap–Fill port when adding or changing position. radiator fluid. 2a. Water Valve and Hose Fitting–(LH side) - 7. Cable Cleat–Secures front pointer rope. Lever controls water flow rate; hose fitting 8.
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14. Cutting Depth Indicator–Indicates blade’s 21. Free Wheel Switch–Allows operator to move depth from surface. saw forward/backward (with ignition switch at 15. Vernier Throttle–Increases or decreases Run). engine speed. 22. Speed Control Lever–Forward, stop (neutral), 16. Coolant Temperature Gauge–Indicates engine and reverse control.
Operating the CC7074 For additional information and detailed diagrams on 5. Remove the weight bar as necessary. individual saw components, refer to the CC7074 Parts Spotlight List in conjunction with this manual. 1. Loosen both spotlight bar lock knobs and slide the...
Adding Fuel Control Grip Pushbuttons 1. Lower the saw to level the frame. The control grip pushbuttons only work with the ignition 2. Turn off the engine and let the saw cool down. key at Run or with the engine running. 3.
Figure 6: Frame Base Mount Figure 7: Flange Guard Installed Removing the Flange Guard 2. Insert the lock pin through the hole on the tapered 1. Remove the lock pin from the tapered frame mount. frame mount to secure the guard. 2.
1. Select a blade size and type. Remember to check the blade for damages and discard as necessary. Refer to the CC7074 RPM Chart, the blade, or the blade Note: If changing the blade size, adjust and/or packaging information for the recommended blade change all necessary saw components according to speeds when cutting.
9. Place the lock washer and then the flat washer onto the outer flange is difficult to remove, tighten a the blade shaft screw and insert the screw into the setscrew into two of the holes on the outer flange to blade shaft through the center of the outer flange.
Vernier Throttle Operation Stopping the Engine 1. Turn the Hold/Release knob counterclockwise to CAUTION loosen the knob. DO NOT leave the saw unattended until the 2. Turn the throttle counterclockwise to increase the engine is off and the blade has stopped engine/blade speed, or push in the throttle’s spring- spinning.
5. Connect water supply hose (54”) from the hose Blade Lowering Speed fitting at bottom right side of the upper gearbox to Turn the Blade Lowering Speed valve counterclockwise the manifold on the blade guard. to increase the blade’s lowering speed and clockwise to 6.
Adjusting the Rear Pointer(s) Making a Cut 1. Loosen the rear pointer nut and screw on the back 1. Align the blade and cutting guide(s) with the cut line. of the frame base. 2. If the saw is equipped with a clutch (optional), turn 2.
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.
Change the radiator fluid. Refer to the CC7074 Parts List for additional information and part diagrams when performing maintenance tasks. Note: Refer to the engine manual and manufacturer for a Refer to the engine manual and manufacturer as the full list of routine engine maintenance tasks.
3. Reinsert the mesh strainer and retighten the strainer Installing the Inner Blade Flange cap to the filter. 1. Inspect the inner flange for damages. Clean or replace damaged components as necessary. Speed Control Lever 2. Align the flange with the blade shaft key and place the flange onto the blade shaft.
Refer to 5. Place a new wheel onto the front axle. the CC7074 Parts List for additional information. 6. Fit the lock washer and then the flat washer onto the wheel screw and retighten the screw through the 1.
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. Handlebar Cylinder Rod...
If fuses are failing frequently, determine the cause and repair immediately. 12 Volt, Group 24 Refer to the CC7074 Parts List for electrical diagrams. Servicing the Battery 1. Remove both wing nut/washer assemblies from the Radiator battery lid and remove the lid.
Changing the Radiator Fluid 9. Replace the radiator cap and retighten to secure. Change the radiator fluid every 500 hours of operation, Hydraulic System or every two years (whichever comes first). DO NOT drain the radiator fluid when hot. WARNING 1.
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.
Belt Sheaves The upper and lower belt sheaves may need to be changed when changing the blade size. Refer to the CC7074 Parts List for additional information. Removing the Belt Sheaves 1. Loosen the two engine cradle screws. 2. Loosen the nut away from the engine foot on both blade drive belt tension bolts.
Blade Drive Belts WARNING Turn off the engine prior to servicing the belts. Use extreme caution when working with belts and rotating machine parts to avoid entanglement. CAUTION Let the belts cool down prior to servicing them. Figure 34: Sheave Setscrews Inspect all belts daily for fraying, stress cracks, and/or breakage and replace immediately when damaged.
4. Turn both blade drive belt tension bolts (large 1. Lower the saw completely. threaded bolt on engine foot) counterclockwise to 2. Place a drain pan under the hoses and in-line filter. loosen the belts. 3. Pinch the hose on both sides of the filter using an appropriate pinch-off tool for tubing.
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. Service the air filters when the restriction indicator 3. Level saw frame and place drain pan beneath turns red.
1. Pull out the tab on the air cleaner housing end 8. Turn the end cover clockwise to lock the cover onto cover. 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.
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).
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. Model Number Serial Number...
Appendix B Daily Maintenance Task Chart Table 3: Daily Maintenance Task Chart Date Inspect the saw for damages and repair. Tighten loose nuts, screws, and bolts. Check all fluid levels (fuel, engine oil, hydraulic fluid, radiator fluid, upper and lower gearbox oil) and fill as necessary.
Engine Type Belt Belt No. Deflection Force Deflection 5/3VX375 Blade Drive CC7074 Kubota V3307-DI-T-E3-B 30 lb .17” Belts 5/3VX355 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...
Appendix D Troubleshooting Table 5: Troubleshooting Symptom Problem Solution Out of fuel? Fill fuel tank. Emergency stop button down? Pull up emergency stop button. Fuel lines clogged? Unclog or replace fuel lines. 1. Engine will not start. Air in fuel lines? Bleed fuel lines.
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