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OPERATOR’S MANUAL
6-1/2 in. 18 VOLT
CIRCULAR SAW
R845
Your circular saw has been engineered and manufactured to our high standards for dependability, ease of operation, and
operator safety. When properly cared for, the saw will give you years of rugged, trouble-free performance.
WARNING:
To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.
Thank you for buying a RIDGID product.
SAVE THIS MANUAL FOR FUTURE REFERENCE
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TABLE OF CONTENTS n Introduction......................................................................................................................................................................2 n General Safety Rules ................................................................................................................................................... 3-4 n Specific Safety Rules......................................................................................................
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GENERAL SAFETY RULES n Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enable better WARNING! control of the tool in unexpected situations. READ AND UNDERSTAND ALL INSTRUCTIONS. Failure to follow all instructions listed below, may n Use safety equipment. Always wear eye protection. result in electric shock, fire and/or serious personal Dust mask, non-skid safety shoes, hard hat, or hearing injury. protection must be used for appropriate condition
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GENERAL SAFETY RULES n When servicing a tool, use only identical replacement SERVICE parts. Follow instructions in the Maintenance section n Tool service must be performed only by qualified of this manual. Use of unauthorized parts or failure to repair personnel. Service or maintenance performed by follow Maintenance Instructions may create a risk of unqualified personnel may result in a risk of injury. shock or injury. SPECIFIC SAFETY RULES n When ripping always use a rip fence for a straig
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SPECIFIC SAFETY RULES n Inspect for and remove all nails from lumber before n Support large panels to minimize the risk of blade using this tool. Following this rule will reduce the risk of pinching and KICKBACK. Large panels tend to sag serious personal injury. under their own weight. Supports must be placed under the panel on both sides, near the line of cut and near the n Drugs, alcohol, medication. Do not operate tool while edge of the panel. under the influence of drugs, alcohol, or
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SAFETY RULES FOR CHARGER tain chemicals that can damage, weaken, or destroy WARNING! plastic. READ AND UNDERSTAND ALL INSTRUCTIONS. n An extension cord should not be used unless Failure to follow all instructions listed below, may absolutely necessary. Use of improper extension result in electric shock, fire and/or serious personal cord could result in a risk of fire and electric shock. If injury. extension cord must be used, make sure: a. That pins on plug of extension cord are the
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SYMBOLS Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpreta- tion of these symbols will allow you to operate the tool better and safer. SYMBOL NAME DESIGNATION/EXPLANATION V Volts Voltage A Amperes Current Hz Hertz Frequency (cycles per second) W Watt Power min Minutes Time Alternating Current Type of current Direct Current Type or a characteristic of current n Rotational speed, at no load No Load Speed o Class II Construction Doub
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SYMBOLS The following signal words and meanings are intended to explain the levels of risk associated with this product. SYMBOL SIGNAL MEANING Indicates an imminently hazardous situation, which, if not avoided, will DANGER: result in death or serious injury. Indicates a potentially hazardous situation, which, if not avoided, could WARNING: result in death or serious injury. Indicates a potentially hazardous situation, which, if not avoided, may CAUTION: result in minor or moderate in
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0 50 45 30 FEATURES PRODUCT SPECIFICATIONS Blade Diameter...........................................................................................................................................................6-1/2 in. Blade Arbor ................................................................................................................................................................... 5/8 in. Cutting Depth at 0º...........................................................................
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FEATURES KNOW YOUR CIRCULAR SAW SPINDLE LOCK See Figure 1. The spindle lock allows you to secure the blade when turn- Before attempting to use this product, familiarize yourself ing the blade screw. with all operating features and safety rules. NOTE: Do not run circular saw with the spindle lock en- gaged. SWITCH TRIGGER The switch trigger is located on the handle of the circular EDGE GUIDE saw. The edge guide helps the operator make long or wide rip cuts. LOCK-OFF BUTTON The saw is equipped w
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0 0 50 45 30 50 45 30 ASSEMBLY ATTACHING THE BLADE See Figure 2. INNER BLADE WASHER WARNING: A 6-1/2 in. blade is the maximum blade capacity of the saw. Never use a blade that is too thick SPINDLE to allow outer blade washer to engage with the LOCK BUTTON flats on the spindle. Larger blades will come in contact with the blade guard, while thicker blades will prevent blade screw from securing blade on spindle. Either of these situations could result in a serious accident. n Remove the batt
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OPERATION WARNING: Do not allow familiarity with your tool to make you careless. Remember that a careless fraction of a second is sufficient to inflict severe injury. WARNING: Always wear safety goggles or safety glasses with side shields when operating tools. Failure to do so could result in objects being thrown into your eyes resulting in possible serious injury. WARNING: Do not use any attachments or accessories not recommended by the manufacturer of this Fig. 4 tool. The use of attach
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OPERA OPERATION TION LED FUNCTION OF CHARGER See Figure 5. LED BATTERY RED GREEN ACTION INDICATOR PACK LED LED Power Without battery pack ON OFF Ready to charge battery pack Evaluate Hot battery pack Flashing OFF When battery pack reaches cooled temperature, charger begins fast charge mode Evaluate Cold battery pack Flashing OFF When battery pack reaches warmed temperature, charger begins fast charge mode Evaluate Deeply discharged Flashing OFF Charger pre-charges battery until normal volta
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OPERATION TO INSTALL BATTERY PACK See Figure 6. RAISED RIB n Place the battery pack in the saw. Align the raised rib inside the saw with the groove on the battery pack. n Make sure the latches on each side of the battery pack snap in place and the battery pack is secured in the saw before beginning operation. TO INSTALL BATTERY PACK CAUTION: When placing battery pack in the tool, be sure raised rib on battery pack aligns with the bottom TO REMOVE BATTERY of the drill and latches into pla
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OPERATION KICKBACK - BLADE SET TOO DEEP KICKBACK See Figures 8 - 11. Kickback occurs when the blade stalls rapidly and the saw is driven back towards you. Blade stalling is caused by any action which pinches the blade in the wood. WARNING: To avoid kickback, release switch immediately if blade binds or saw stalls. Kickback could cause Fig. 8 you to lose control of the saw. Loss of control can lead to serious injury. INCORRECT SUPPORT To guard against kickback, avoid dangerous practices suc
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0 50 45 30 OPERATION LOCK-OFF BUTTON LOCK-OFF See Figure 12. BUTTON The lock-off button reduces the possibility of accidental SWITCH TRIGGER starting. The lock-off button is located on the handle above the switch trigger. The lock-off button must be depressed before you pull the switch trigger. The lock resets each time the trigger is released. NOTE: You can depress the lock-off button from either the left or right side. STARTING/STOPPING THE SAW See Figure 12. To start the saw: n Depress
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0 50 45 30 0 50 45 30 OPERATION OPERATING THE SAW See Figures 14 - 15. It is important to understand the correct method for operat- ing the saw. Refer to the figures in this section to learn the correct and incorrect ways for handling the saw. WARNING: To make sawing easier and safer, always maintain proper control of the saw. Loss of control could cause an accident resulting in possible serious injury. DANGER: When lifting the saw from the workpiece, the blade is exposed on the underside
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45 3 1 0 0 50 45 30 50 45 30 OPERATION TOP VIEW OF SAW GUIDELINE CROSS CUTTING/RIP CUTTING See Figures 16 - 17. FRONT OF SAW When making a cross cut or rip cut, align your line of cut with the outer blade guide notch on the saw base. Since blade thicknesses vary, always make a trial cut in scrap material along a guideline to determine how much, if any, the guideline must be offset to produce an accurate cut. NOTE: The distance from the line of cut to the guideline is the amount you should o
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50 45 30 50 45 30 22.5 22.5 15 0 15 0 0 5 0 45 30 0 OPERATION WIDTH OF CUT SCALE See Figure 19. BASE A width of cut scale has been provided on the base of the ASSEMBLY saw. When making straight cross cuts or rip cuts, the scale can be used to measure up to four inches to the right side of the blade. It can be used to measure up to one inch to the left side of the blade. BEVEL CUTTING See Figures 20 - 21. The angle of cut of the saw may be adjusted to any desired setting between zero and 50°
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0 45 1 2 3 OPERATION POSITIVE 0° BEVEL STOP BLADE See Figure 22. CARPENTER’S The saw has a positive 0° bevel stop that has been factory SQUARE adjusted to assure 0° angle of the saw blade when making 90° cuts. TO CHECK n Remove battery pack from saw. ADJUSTMENT SCREW WARNING: Failure to remove battery pack from saw could result in accidental starting, causing possible serious personal injury. BEVEL n Place the saw in an upside down position on work- ADJUSTMENT bench. KNOB n Using a carpent
