MK Diamond Products MK-370 EXP Owner'S Manual & Operating Instructions Download Page 37

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MK-370 EXP

Revision 12/03, Effective Date December 30, 2003

MK-370 EXP

Revision 12/03, Effective Date December 30, 2003

MAINTENANCE AND TROUBLESHOOTING

TROUBLESHOOTING

1. Blade will not cut properly:

(B)

Check for proper rotation

(A)

Check for Smoothness or

“Glazing” (Dress blade if

needed)

(C)

Ensure the Blade Core is not

bent and Arbor is not out of

round

(D)

Verify the blade is correct for

the material being used

(E)

Return to MK Diamond

for Repair

2. Movable Cutting Table Does Not Move Correctly:

(B)

Check the Movable Cutting

Table Roller Wheel for wear

replace if necessary

(A)

Check that the Guide Bar is

clean – clean if dirty

(C)

Return to MK Diamond

for Repair

If "Glazed" then

Dress Blade

If Blade Core is bent, or Arbor is out

of round, change blade

Summary of Contents for MK-370 EXP

Page 1: ...REFULLY BEFORE USING SAW FOR THE FIRST TIME serial number You should record the serial number of your saw on this owner s manual and on the warrranty card which must be sent in to be effective be sure to include all pertinent information required Part No 160084 Revision 12 03 CAUTION O W N E R S M A N U A L ...

Page 2: ... in the industry Operated correctly your MK 370 EXP should provide you with years of service In order to help you we have included this manual This owners manual contains information necessary to operate and maintain your MK 370 EXP safely and correctly Please take a few minutes to familiarize yourself with the MK 370 EXP by reading and reviewing this manual If you should have questions concerning...

Page 3: ...LY ____________________________________________________ 14 SETUP ADJUSTMENT OPERATION SETUP________________________________________________________ 17 ADJUSTMENT OPERATION _____________________________________ 20 CLEANUP _____________________________________________________ 25 MAINTENANCE AND TROUBLESHOOTING MAINTENANCE_________________________________________________ 27 ALIGNMENT ________________...

Page 4: ... the severity of the message A Damage Prevention Message is to inform the user of important information and or instructions that could lead to equipment or other property damage if not followed Information Messages convey information that pertains to the equipment being used Each message will be preceded by the word NOTE as in the example below DAMAGE PREVENTION AND INFORMATION MESSAGES NOTE Equip...

Page 5: ...f a cutting operation is dusty Everyday eyeglasses only have impact resistant lenses and may not prevent eye injury they are NOT safety glasses on DO NOT OVERREACH Keep proper footing and balance at all times by not overreaching on SECURE WORK Clamps or a vise should be used to hold work whenever practical Keeping your hands free to operate a power tool is safer on MAINTAIN TOOLS WITH CARE Keep to...

Page 6: ...hat rotation is in the direction of the arrow imprinted on the side of the blade or cutter on NEVER LEAVE A TOOL UNATTENDED TURN POWER OFF Do not leave a tool until it comes to a complete stop Always turn a power tool OFF when leaving the work area or when a cut is finished Some dust created by power sanding sawing grinding drilling and other construction activities contain chemicals known to the ...

Page 7: ...ering Speed Safety Guards Flanges Mounting Procedures General Operating Rules Handling Storage and General Machine Conditions Hazard Symbols Never touch electrical wires or components while the engine is running They can be sources of electrical shock which could cause severe injury or burns Electrical Shock Keep hands feet hair and clothing away from all moving parts to prevent injury Never opera...

Page 8: ... understood or if in doubt as to whether the tool is properly grounded Use only 3 wire extension cords that have 3 prong grounding plugs and 3 pole receptacles that accept the tool s plug Repair or replace a damaged or worn cord immediately WARNING This tool is intended for use on a circuit that has an outlet that looks like the one shown in Sketch A of Figure 1 The tool has a grounding plug that ...

Page 9: ... the use of undersized extension cords will be repaired or replaced totally at the customers expense There will be no warranty claim To choose the proper extension cord Locate the length of extension cord needed in TABLE 1 below Once the proper length is found move down the column to obtain the correct AWG size required for that length of extension cord WARNING To reduce the risk of electrocution ...

Page 10: ...Right Side Caution Receptacle is for Water Pump Only 154822 1B Motor Right Side Motor Specifications N A 2 Motor Left Side Caution Use with Ground Fault Circuit Interrupter 155678 3A Cutting Head Top MK 370 EXP Serial Number 157249 4 3B Cutting Head Top Warning Read Owners Manual 155806 4A Pump Left Side Warning Connect to Grounded Receptacle N A 4B Pump Right Side Pump Specifications N A SAFETY T...

Page 11: ...utting tile up to twelve 12 inches in length The saw can cut an object one and three quarters 1 3 4 inches thick in one pass Motor specifications for the MK 370 EXP are listed in Table 2 below Voltage 115V Overall Amperage 5 3 A Frequency 50 60Hz RPM 5500 rpm Horse Power 1 2 hp Table 2 The MK 370 EXP uses a 7 7 inch 178mm diameter wet cutting continuous rim MK Diamond blade with a five eighths 5 8...

Page 12: ...T CAUTION 1 The MK 370 EXP weighs approximately forty six 46 pounds use care when transporting 2 Never transport the MK 370 EXP with water in the Water Pan The MK 370 EXP is designed with a rigid frame and removable Cutting Head making the saw easily transportable To lift the saw grasp the front and back of the frame at the lift points shown below Cutting Head Lift Point Lift Point In your contain...

Page 13: ...rface C Align the Stand supports to the depressions on the pan B Orient the Saw to the Stand D Sit the Water Pan on top of the Stand Supports E Verify that the saw is stable in place TILE SAW STAND 1 The MK 370 EXP weighs approximately thirty 30 pounds use care when transporting 2 Never transport the MK 370 EXP with water in the Water Pan CAUTION ...

Page 14: ...ad Installation NOTE If the Cutting Head is installed go to step 2 B Align Cutting Head Pivot Hole to the Post Pivot Shaft A Place the Flat Washer onto the Height Adjusting Knob C Verify the Cutting Head is completely installed and seated on the Post B Loosen the Blade Guard Retaining Wing nut A Loosen and remove the Blade Guard Retaining Knob C Open the Blade Guard 2 Diamond Blade Installation NO...

Page 15: ...tor and onto the Motor Shaft F Install Diamond Blade onto Blade Shaft H Close the Blade Guard G Install the Retaining Nut and Outer Flange and then tighten using the Blade and Shaft Wrenches I Verify the Blade is seated on the Blade Shaft and direction of rotation is correct K Tighten the Blade Guard Retaining Knob J Tighten the Blade Guard Retaining Wing nut Motor Shaft Wrench Motor Shaft Inner b...

Page 16: ...Stop B Place the Adjustable Cutting Guide onto the Movable Cutting Table Ruler Stop and tighten the retaining thumbscrew 4 Splash Guard Installation 5 Water Pump Preparation A Install Water Pump Discharge Fitting B Press one end of the Cooling Transfer Tube onto the Water Pump Discharge Fitting C Slide Cooling Flow Adjusting Clamp onto the Cooling Transfer Tube A Install the retaining thumbscrew t...

Page 17: ...ge ensure the cord is free of cracks or cuts D Inspect the Pump Assembly for damage ensure the cord is free of cracks or cuts 1 To prevent the possibility of electrical shock the MK 370 EXP MUST be de energized when connecting the Water Pump 2 To prevent the possibility of electrical shock use only MK Diamond qualified replacement parts NOTE To prevent pump damage the Water Pump must be disconnect...

Page 18: ...ter Source or Re circulation NOTE If using a dry blade for operation DO NOT connect the water pump I Re circulation NOTE When using the re circulation method the water should be changed often for longer pump life A Ensure that Cooling Transfer Tube is connected C Fill the Water Pan until water completely covers the Water Pump suction B Place the Water Pump in the back of the Water Pan ...

Page 19: ...r source meet the requirements of TABLE 3 CAUTION 4 Use an approved Ground Fault Circuit Interrupter GFCI 5 Do not cover the motor vents as this could lead to motor overheating VOLTAGE 115V CYCLE 60Hz PHASE 1 phase TABLE 3 1 In order to avoid breaker tripping a 20 amp circuit breaker should be used 2 If using an extension power cord make sure the length and wire gauge correspond to he requirements...

Page 20: ...h it was designed B Position the Adjustable Cutting Guide to desired cut length A Loosen the Adjustable Cutting Guide retaining thumbscrew C Tighten the retaining thumbscrew CAUTION E Turn the motor ON D Place the tile against the Ruler Stop and Cutting Guide F Verify cooling flow on both sides of the blade G Perform the cut H Turn the motor OFF when work is complete Desired cut length indicated h...

Page 21: ...tting Head Pivot Retaining Knob C Tighten the Cutting Head Pivot Retaining Knob CAUTION E Position the Adjustable Cutting Guide to desired cut length D Loosen the Adjustable Cutting Guide retaining thumbscrew F Tighten the retaining thumbscrew The MK 370 EXP is designed with an adjustable Cutting Head for precision 45º Miter Cuts H Turn the motor ON G Place the tile against the Ruler Stop and Cutt...

Page 22: ... 03 Effective Date December 30 2003 SETUP ADJUSTMENT OPERATION K Turn the motor OFF when work is complete J Perform the cut L Return the Cutting Head to the upright position when complete Cutting 45 Miters cont Pivot Direction ...

Page 23: ...used B Place the Dual 45º Flat Angle Guide on the Ruler Stop A Remove the Adjustable Cutting Guide C Position the Dual 45º Flat Angle Guide and tighten the retaining knob E Turn the motor ON D Position the tile against the Dual 45º Flat Angle Guide and the Ruler Stop F Verify cooling flow on both sides of the blade G Perform the cut H Turn the motor OFF when work is complete NOTE If Cutting the ti...

Page 24: ...ctor on the Ruler Stop A Remove the Adjustable Cutting Guide C Set the desired angle on the Protractor Gage E Position the Protractor Cutting Guide to the desired length D Tighten the Protractor Gage retaining knob F Tighten the retaining knob H Turn the motor ON G Position the tile against the Protractor and the Ruler Stop I Verify cooling flow on both sides of the blade G Perform the cut H Turn ...

Page 25: ...is C Run the MK 370 EXP until clear water is seen at the blade Cooling Flow Points Approx 1 minute retaining thumbscrew E Unplug the GFCI from the Power source D Ensure the ON OFF Switch is in the OFF position F Unplug MK 370 EXP from the GFCI Ensure the saw is disconnected before completing the remainder of the cleanup process CAUTION H Dispose the contents of the Water Pan G Remove the Cutting A...

Page 26: ...r 30 2003 SETUP ADJUSTMENT OPERATION Ensure water is not forced into the motor casing when cleaning CAUTION K Clean the Roller Wheel Guide Rail J Clean the Adjustable Cutting Guide Guide Bar L Clean the remainder of the MK 370 EXP I Clean the Water Pan ...

Page 27: ...ls such as 3 in 1 WD 40 etc B Unplug MK 370 EXP A Ensure the ON OFF Switch is in the OFF position C Lubricate the Guide Bar B Remove the Inner Flange A Remove the Diamond Blade Outer Flange and Retaining Nut C Clean and Lubricate the Inner and Outer Flanges and the Retaining Nut 2 Monthly Maintenance The following maintenance should be performed Monthly D Lubricate the Roller Wheel Assembly Roller...

Page 28: ...ing Head Pivot Point H Remove the Cutting Head G Lubricate the rear Cutting Head Pivot Point I Clean the Cutting Head Pivot Holes K Lubricate the Cutting Head Pivot Shaft J Lubricate the Cutting Head Pivot Holes L Lubricate the Cutting Head Adjustment Knob M Verify the Cutting Table Roller Wheel Assembly is tight Blade Guard Pivot Shaft Front Pivot Point Rear Pivot Point Pivot Shaft N Verify that ...

Page 29: ...MAINTENANCE AND TROUBLESHOOTING 3 Flow Adjustment NOTE If flow to the diamond blade requires adjustment perform the following actions B Reduce cooling flow by Pressing down on the Flow Adjusting Clamp A Increase cooling flow by releasing the Flow Adjusting Clamp ...

Page 30: ...n of an alignment problem When this occurs the blade will need to be dressed The diamond blade can be dressed using the MK Dressing Stick part number 152792 and by following the steps below 4 Blade Dressing B Set the Adjustable Cutting Guide to cut a 1 16 strip A Setup the MK 370 EXP for operation See Setup Adjustment and Operation C Position the Dressing Stick E Verify cooling flow on both sides ...

Page 31: ...ten the screw 5 Diamond Blade Change out B Remove Retaining Nut and Outer Flange A Open the Outer Blade C Remove Diamond Blade from Blade Shaft E Install the Retaining Nut and Outer Flange and then tighten using the Blade and Shaft Wrenches D Install the Diamond Blade onto Blade Shaft F Verify the Blade is seated on the Blade Shaft and direction of rotation is correct G Close the Outer Blade Turn ...

Page 32: ...ore than 1 8 inch contact the MK Diamond Service Center 800 474 5594 Combination Square 12 inch or Greater Flat Head Screwdriver 1 4 inch Wrench A Remove Tile Saw from Power Source C Inspect Diamond Blade for damage The Movable Cutting Table of the MK 770 is pre aligned in the factory It may become misaligned with the Cutting Head of the Tile Saw over time Should misalignment occur perform the fol...

Page 33: ...ap between the Square and the wheel assembly side of frame MOVABLE CUTTING TABLE ALIGNMENT VERIFICATION This will verify the Movable Cutting Table is aligned to the frame of the saw NOTES If the blade is misaligned following alignment verification attempt to align using Alignment Screw 90º Verification The Diamond Blade must be removed and reinstalled when removing the Blade Guard B Place Square o...

Page 34: ...t be removed and reinstalled when removing the Blade Guard 90º alignment verification will ensure that the blade will cut the tile straight up and down and not at an angle B Locate the 90 Adjustment Screw A Position the Cutting Head to the 45 Cutting Angle C Rotate 90 Adjustment Screw clockwise or counter clockwise to realign Cutting Head E Verify the Diamond Blade is Square to the Movable Cutting...

Page 35: ...Groove B Position Square flat on Movable Cutting Table against Ruler Stop A Pull Movable Cutting Table to front of Tile Saw C Position front of Square against Blade E Position end of Square against Blade D Move Guide Bar and table until Square rests evenly across Blade F Move Guide Bar and table until Square rests evenly across Blade B Tighten Guide Bar Retaining Bolts A Move the Cutting Table bac...

Page 36: ... 45 Alignment Verification is done to ensure the blade will cut tile at a 45 angle B Position the Cutting Head to the 45 Cutting Angle A Remove Blade Guard If not done Previously C Place Square on the Movable Cutting Table and position the Square against the Blade E To Adjust 45 Cutting Angle locate the 45 Adjustment Screw D Verify Blade is even across all points of Square F Rotate 45 Adjustment S...

Page 37: ...ade Core is not bent and Arbor is not out of round D Verify the blade is correct for the material being used E Return to MK Diamond for Repair 2 Movable Cutting Table Does Not Move Correctly B Check the Movable Cutting Table Roller Wheel for wear replace if necessary A Check that the Guide Bar is clean clean if dirty C Return to MK Diamond for Repair If Glazed then Dress Blade If Blade Core is ben...

Page 38: ... Blade Guard inlet A Check cooling flow Adjusting Clamp open C Place Pump into a bucket of water and check flow E Remove the Pump Discharge Fitting and check D Remove the Cooling Transfer Tube and check flow F Remove the Pump Intake Screen and check for debris I Remove the Blade Guard Intake Fitting Intake Screen J Clean the Blade Guard Intake Fitting ...

Page 39: ...The cooling channels should be rodded until all ports are free of foreign debris NOTE K Rod Cooling Channels and recheck flow L Return to MK Diamond for Repair 4 Blade Stops Turning B Check to see if the Ground Fault Circuit Interrupter GFCI is tripped A Verify all plugs are fully installed C Verify circuit breaker at least 20 amps if not move to 20 amp circuit E Check power source voltage is 115V...

Page 40: ...40 MK 370 EXP Revision 12 03 Effective Date December 30 2003 EXPLODED VIEW AND PARTS LIST MK 370 EXP EXPLODED VIEW ...

Page 41: ...46 C Carton 1 n a C1 Carton MK 370EXP 1 160044 D Assembly Cutting Head 1 n a D1 Cutting Head Comp Cutting Head Raw 1 1 159937 159936 D2 Helicoil 3 8 16x3 8 1 153486 D3 Screw Slotted Pan Head 10 32x3 4 1 151750 D4 Screw Slotted Pan Head 10 32x1 1 151751 D5 Nut Hex 10 32 2 151749 D6 Screw Hex Head 1 4 20x3 4 1 152370 D7 Nut Hex 1 4 20 1 151893 D8 Knob Tri Plastic 1 156770 01 D9 Label Warning Read Ow...

Page 42: ...ad 1 2 x 1 2 2 151753 J6 Bolt Shoulder Soc Head 5 16 x 5 8 1 152137 J7 Washer 5 16 SAE Flat 1 151754 K Assembly Post Cover 1 159958 MK K1 Cover Post comp Cover Post raw 1 1 159958 159956 K2 Screw 1 4 20 x 1 4 Socket Head Set 3 157528 K3 Label 370EXP Model 1 160054 L Assembly Roller Wheel 1 151756 L1 Bracket Roller Wheel 1 154021 L2 Wheel Roller 1 151799 L3 Screw 1 4 20 X 1 1 4 Hex Head Cap 1 15714...

Page 43: ...of blade to use depends on The requirements of the job The machine tool utilizing the diamond blade The preference of the operator In the case of DRY cutting the overwhelming popularity and quantity of hand held saws and the flexible nature of MK Diamond blades to professionally handle most ceramic masonry stone and concrete materials make the DRY cutting blade a very attractive tool When using a ...

Page 44: ...ESCRIPTION 1 139295 MK 200 7 x 5 8 Arbor 2 139311 MK 215 7 x 5 8 Arbor 3 158434 MK 225 7 x 5 8 Arbor 4 153293 MK 315 7 x 5 8 Arbor 5 134577 MK Dual 45 Flat Angle Guide 6 134569 MK 90 Protractor 8 152792 Dressing Stone 9 152610 Ground Fault Circuit Interrupter 10 160131 Stand ACCESSORIES ...

Page 45: ...e Model Number of the saw Have the Serial Number of the saw Have the location of where the saw was purchased Have the date when the saw was purchased Contact Customer Service for approval to return the item s Obtain a Returned Goods Number RGA authorizing the return Follow the packaging instructions in the following section Ensure your item s are prepaid to the destination For returned items call ...

Page 46: ...se chemicals are Lead from lead base paints crystalline silica from bricks and cement and other masonry products and arsenic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that a...

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