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ICS RZ60C Operator's Manual
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ICS RZ60C Operator's Manual

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RZ60C
OPERATOR'S MANUAL
F/N 51873 Feb 22
© 2022 ICS, Oregon Tool Inc.

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Summary of Contents for ICS RZ60C

  • Page 1 RZ60C OPERATOR’S MANUAL F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.

  • Page 3: Table Of Contents

    RZ60C OPERATOR’S MANUAL TITLE ® TABLE OF CONTENTS SYMBOLS & LABELS SAFETY TECHNICAL SPECIFICATIONS SET UP ADJUST GUARD REVERSE ARM FUELING OPERATION MAINTENANCE ADDITIONAL MAINTENANCE TROUBLESHOOTING REFERENCE F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 4 Always use: • Hard hat • Ear protection • Protective glasses or full face protection • Respiratory protection Wear hand protection Hazardous dust and gas emissions © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb22...
  • Page 5 RZ60C OPERATOR’S MANUAL TITLE ® SYMBOLS & LABELS Fire risk due to sparks Reactive forces Maximum spindle speed 5100 rpm F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 6 • DO NOT cock, jam or wedge the blade in the cut. • Inspect the saw flanges and shafts for damage before installing the blade. DO NOT use if damaged or worn. • Verify the blade arbor hole matches the machine spindle before mounting the blade. • Mount the blade solidly and firmly. Wrench tighten the arbor screw. • Make sure the blade and flanges are clean and free of dirt and debris before mounting the blade on the saw. • DO NOT insert the blade into a slot narrower than the blade. Rapid pushback may occur. • DO NOT run the saw upside-down. Debris can fly back into the operator’s face. • Always turn the saw OFF before performing maintenance on the saw. • DO NOT use equipment that is not functioning properly. • Turn engine OFF before refueling and allow the engine to cool. • Keep fuel away from open flame. • Always provide adequate ventilation when handling fuel. • Make sure the gas cap on the saw and the fuel can are properly tightened. • Move the saw at least 10 feet (3 m) away from refueling area before starting. © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...

  • Page 7: Set Up

    • DO NOT leave this machine unattended while the engine is running. • DO NOT operate a cutting machine if the blade does not stop rotating when the throttle trigger is released. • Use the correct blade for the type of work being done. Check with blade manufacturer if you do not know if blade is correct. • Perform safety checks before starting each day. • DO NOT operate this saw without both hands on the handles. Use a firm grip with thumbs and fingers encircling the handles. • Keep the handles dry, clean and free of oil or fuel. • DO NOT operate this saw without solid footing. • Remove or control slurry to prevent slippery conditions while cutting. • Set up a well-marked safety zone with a roped boundary and clear signs. • Always carry the machine with the engine stopped and the muffler away from the body. • Use caution and follow instructions when setting up or transporting the machine. • Make sure the blade is not contacting anything before starting the engine. • DO NOT stand in the blade path while the engine is running. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 8 ® specifically for air-cooled two-stroke engines. • Never use two-stroke oil formulated for water-cooled two-cycle engines, such as outboard motor oil. • Never use motor oil intended for four-stroke engines. • Use high quality, unleaded gasoline with a minumum octane rating of 90. Lower octane gasoline will cause the engine temperature to increase resulting in piston seizure. • Always measure the amount of gasoline and oil accurately. Small inaccuracies can drastically affect the ratio of the mixture. ENGINE BREAK-IN • It is very important to break-in a new engine to “seat” all moving parts, especially the piston rings. • To break-in the engine, run one full tank of 25:1 fuel at idle, cycling the throttle every 5 to 10 minutes to prevent loading. • Failure to break-in an engine may result in piston seizure. OTHER • Clean the machine after each day's use. • Have the saw repaired by qualified service personnel. • Always tie down the machine when transporting. © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...
  • Page 9 Ignition ignition Clutch Three-weight, single spring Fuel ratio 25:1 gasoline-to-oil 24 oz (0.7 Liter) Fuel Capacity 15-18 minutes run time per tank Water Supply Minimum 20 psi (1.5 bar) Noise Level 101 dB at 3 ft (1 m) Vibration Level 9.2 m/s (front handle) One tank, without cutting, cycling Engine Break-in Period throttle Champion CJ7Y, Bosch BWS7F, or Spark Plug NGK BPMR7A F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 10 ASSEMBLING THE SAW INNER OUTER FLANGE FLANGE • Loosen the flange bolt and remove bolt • Insert flange stop tool in the belt cover, and blade flanges. rotate blade flanges until tool engages belt pulley. • Check blade arbor hole diameter. • Choose appropriate side of the inner flage to use for your blade. • NOTE: One side of the inner flange is 1 inch (25.4 mm) the other is 20 mm. • Place inner flange on the drive shaft. • Mount blade in proper direction of rotation. • Insert flange stop tool in the belt cover and tighten flange bolt 18.4 ft-lbs (2.5 Nm). © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...
  • Page 11 RZ60C OPERATOR’S MANUAL TITLE ® SET UP WATER KIT INSTALLATION • Use small screws to retain fittings. • Press the fitting into the holes on opposite sides of the blade guard. • Assemble clamp to the spark guard. • Fasten the water tube to front handle with cable ties. • Make sure the blade guard can be adjusted before tightening the cable ties. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 12 ADJUST GUARD TITLE RZ60C OPERATOR’S MANUAL ® • Loosen guard adjustment knob. • Move guard to appropriate place. • Tighten guard adjustment knob. © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...
  • Page 13 • Remove guard adjustment knob and • Remove three blade arm nuts. wave washer. • Remove the three hole triangular plate. • Remove belt cover screws and belt cover. • Remove the belt from pulley and blade • Rotate blade arm to the right and arm. remove spacer. • Rotate blade arm left and align spacer • Replace blade arm on reverse side and over nut clip. pull belt onto pulley. • Make sure arm hole, spacer and nut clip • Replace triangular plate and nuts. are aligned. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 14 REVERSE ARM TITLE RZ60C OPERATOR’S MANUAL ® • Install belt cover and screws. • Tension belt. • Install guard adjustment knob. REVERSED OUT OF BOX BLADE ARM REVERSED © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...

  • Page 15: Fueling

    • Always mix gasoline and oil in a clean container intended for use with fuel. • Keep fuel container closed tightly to prevent moisture from getting into the fuel. • Always begin mixing fuel by adding half the amount of gasoline to be used. Then add the correct amount of two-stroke oil for 25:1 mixture and finish filling the container with gasoline. • Do not mix more than one month’s supply of fuel. This helps prevent the separation of the two-stroke oil from the gasoline (varnishing). • If the saw is not used for an extended period of time (3 months) the fuel tank should be emptied and cleaned. FUELING • Always shut off the saw before fueling. • Before fueling, clean the area around fuel cap to prevent dirt from contaminating the fuel. Contamination of the fuel tank can lead to saw malfunction. • Thoroughly mix the fuel in it’s container before fueling. • Slowly open the fuel cap to release any pressure that may have built-up in the tank. • After adding fuel, tighten the fuel cap carefully and Fuel Cap secure with a wrench. F/N 51873 Feb22 © 2022 ICS, Oregon Tool Inc.
  • Page 16 Place the saw on clear ground. Ensure that secure footing is IMPORTANT established and blade is not contacting any objects. • Pull the choke lever out. • Lock the throttle in the start positon by depressing and holding the throttle lock button while releasing the trigger (A) and trigger interlock (B) in succession. • Toggle the ignition switch to "ON". © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...
  • Page 17 • Pull the starter rope (hard, fast, short pulls) until engine fires – could be as many as 15 pulls on very first start-up of saw. • After the engine fires it will be necessary to push the choke lever in. • Push the decompression valve in. • Pull the starter rope until engine starts – could be as 5 TO 7 PULLS many as 5 to 7 pulls. • When the engine starts, release throttle from starting position. • Allow engine to idle for at least one minute; squeeze throttle trigger several times during this period. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 18 3 more times. PRE-CUT CHECKLIST • Ensure proper belt tension. • Ensure the blade is mounted correctly. • Ensure all safety devices are properly mounted and functional and that all controls are in proper working order. • Be sure there are no obstructions (plumbing, electrical conduit, air ducts). • Always wear protective clothing, including hard hat, eye protection, hearing protection, non-slip safety boots, gloves, and avoid wearing loose fitting clothing. PLANNING THE CUT • Outline the cut with a permanent marker for a visual cutting guide. • Avoid pinching the blade. Always cut the bottom of an opening first, then top, and then the sides. Save the easiest cut for last. • For the straightest cuts use the “Step Cut” method. First score the entire cut line approximately a half-inch deep. Next, deepen the cut by about two inches. Then complete the cut. • Be sure cut concrete cannot fall and injure operator or bystanders. Concrete is very heavy, one cubic foot = 12” x 12” x 12” = 150 lbs. (30 cm x 30 cm x 30 cm = 68 kg). © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...
  • Page 19 RZ60C OPERATOR’S MANUAL TITLE ® OPERATION CUTTING WITH THE RZ60C CHOP SAW To start a cut, hold trigger on full throttle and slowly plunge the blade straight into the wall. CUTTING TIPS • Always operate the saw at full throttle. Apply enough feed force so that the free running RPM drops 20 to 30%. If too much force is applied, the saw will lug or stall. The blade will not have enough speed to cut effectively. If too little feed force is applied, the diamonds will skid and glaze over. • For straighter cuts use the “step cut” method. First score the entire cut line with the blade approximately 1/2 inch (12 mm) to 1 inch (25 mm) deep. Next, deepen the cut by about 2 inches (50 mm). This groove will help guide the blade for a straight cut. Then complete the cut. • Plunge cut instead of starting at the top of the wall. This will reduce chatter, extend blade life, create a straighter cut. • When cutting heavy rebar, move the blade in and out of the steel so that the blade is always cutting concrete as well as steel. This will help keep the diamonds exposed. Also, expect less diamond blade life when cutting heavy rebar. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 20 MAINTENANCE TITLE RZ60C OPERATOR’S MANUAL ® Follow these simple maintenance guidelines and your RZ60C Chop Saw will keep running at its very best. AFTER EACH USE Follow the directions on the Daily Maintenance Label, located on the air filter cover. • Clean the saw with water if cutting wet • Blow off the saw with air if cutting dry. and wipe off. • Remove the cover and prefilter. NOTE: It is recommended to keep spare • Clean by shaking pre-filter vigorously. pre-filters on hand. Regular exchange will prolong the life of the primary air filter.
  • Page 21 RZ60C OPERATOR’S MANUAL TITLE ® MAINTENANCE • Inspect the arbor flanges for damage. • Inspect blade for excessive, uneven, or irregular wear. • Ensure that the arbor flange bolt is adequately tightened 18.4 ft-lbs • Inspect blade for damage – cracks, (2.5 Nm). missing segments, not flat, arbor hole damage, blueing, or undercut segments. • Ensure the rotation direction is correct. • Thoroughly flush the starter housing assembly with water. • Lubricate the starter pawls by spraying light weight oil into the starter housing through the vents. • Check the starter cord for fraying, replace if necessary. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 22 MAINTENANCE TITLE RZ60C OPERATOR’S MANUAL ® BELT TENSION • Loosen three side cover fasteners. • Turn belt tensioner clockwise to tighten. • Check belt tension by rotating blade. • Tighten side cover fasteners. • Blade should rotate with moderate resistance. © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...
  • Page 23 RZ60C OPERATOR’S MANUAL TITLE ® MAINTENANCE AFTER 10 HOURS OF USE • Remove the primary air filter cover. • Remove the primary air filter and internal screen. • Clean primary filter by shaking • Clean internal screen by shaking vigorously and dusting off with a soft vigorously and dusting off with a soft brush. brush. • Do not use compressed air. • Do not use compressed air. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 24 AFTER 20 HOURS OF USE • Repeat air filter cleaning. See 10-hour use maintenance section. • Check the electrode gap. • Remove spark plug and clean with a wire brush. • The correct gap is 0.020 inches (0.5 mm). • Replace fuel filter. AFTER 40 HOURS USE • Replace pre-filter. • Replace primary filter. • Replace internal screen. • Replace spark plug. • See 10- and 20-hour use maintenance sections. © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...
  • Page 25 • After each usage, thoroughly flush the starter housing assembly with water. (Figure 1) • Lubricate the starter pawls by spraying light weight oil into the starter housing through the vents. (Figure 1) • Check the starter cord for fraying, replace if necessary. STARTER CORD REPLACEMENT Figure 1 • Remove the 4 screws that attach the starter assembly to the crankcase. • Pull the cord out approximately 8” and lift the cord up into the notch in the pulley (Figure 2). Relax the recoil spring by placing thumb on pulley and gently allow the pulley to unwind entirely. Undo the screw in the center of the pulley and remove the pulley. • Thread the new cord through the starter cover and fasten it to the pulley. Wind 4 turns of the starter cord on to the pulley. Assemble the starter pulley against the recoil spring so the end of the spring engages into the backside of the pulley. Install the Figure 2 retaining screw in the center of the pulley. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 26 TENSIONING THE RECOIL SPRING • Lift the starter cord up into the notch on the starter pulley (Figure 3) and wind the pulley clockwise 5 full turns. Remove the cord from the pulley notch while pinching the pulley. Release the pulley slowly allowing it to wind the rope counterclockwise onto the pulley. • When completed, the starter handle should be pulled back in the starter housing under its own tension. • To check that the starter pulley was assembled correctly, pull the cord completely out of the housing, grip the pulley and turn clockwise another 1/2 turn. If the pulley turns another 1/2 turn it is correctly assembled. Figure 3 STARTER HOUSING ASSEMBLY • To reattach the starter housing, first pull the starter cord out, then hold the starter housing against the crankcase (Figure 4). Slowly release the starter cord to enable the pulley to fit between the pawls. • Insert and tighten the screws. Use blue Loctite #242. ® Figure 4 © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...

  • Page 27: Operation

    • If saw has been running satisfactorily and there is a gradual decrease in power and drop in RPM at full throttle, the filter may have become dirty or saturated with water. F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.

  • Page 28: Troubleshooting

    • CHOP SAW WON’T REACH FULL RPM – Air filter or pre filter may be dirty. • WATER NOT FLOWING – Water hose is kinked or supply is not turned on. • WON’T START – Turn ignition switch on or possible defective spark plug. • WON’T START – Low compression, less than 120 psi (8 bar). Possible incorrect fuel mixture. Reference: new = 150 to 180 psi (10 to 12 bar) used = 140 to 160 psi (9 to 11 bar) • DIFFICULT TO START – Possible flooded engine. Turn ignition switch on, push choke in, hold throttle on full with foot and pull starter cord until engine starts. • DIFFICULT TO START – Possible fouled spark plug. Remove spark plug, clean with wire brush and re-gap. Further questions? Call 1-800-321-1240 © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...
  • Page 29 Material Cutting Rate Hard aggregate & steel 25 - 35 in /min (160 - 225 cm /min) Medium aggregates 30 - 40 in /min (190 - 260 cm /min) Masonry, soft aggregates 40 - 60 in /min (260 - 390 cm /min) INCH-FOOT DEFINITION An in-ft is a measure of how much material is to be cut. An in-ft is defined as: depth in inches times length in feet. Note: 129 in-ft = 1m Example: How many in-ft are in this doorway? 1. Determine the depth of the cut in inches. For this example, 8 inches. 2. Determine the length of the cut in feet. 3+7+3+7=20 feet 3. Multiply the two numbers 8 in x 20 ft = 160 in-ft F/N 51873 Feb 22 © 2022 ICS, Oregon Tool Inc.
  • Page 32 RZ60C OPERATOR'S MANUAL ® ICS, Oregon Tool Inc. 4909 SE International Way Portland, OR 97222 Tel 800-321-1240 icsdiamondtools.com © 2022 ICS, Oregon Tool Inc. F/N 51873 Feb 22...