OPERATION MANUAL MP2 SERIES MODELS MP25E1 MP25E3 MP275E3 MP2H MASONRY SAWS (5HP 1Ø ELECTRIC MOTOR) (5HP 3Ø ELECTRIC MOTOR) (HONDA GX270QWH2 GASOLINE ENGINE) Revision #0 (01/26/09) To find the latest revision of this publication, visit our website at: www.multiquip.com THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
PROPOSITION 65 WARNING Engine exhaust and some of its constituents, and some dust created by power sanding, sawing, grinding, drillingandotherconstructionactivities contains chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. Some examples of these chemicals are: Leadfromlead-basedpaints. Crystallinesilicafrombricks. Cementandothermasonryproducts. Arsenicandchromiumfromchemically treatedlumber.
SILICOSIS/RESPIRATORY WARNINGS WARNING WARNING SILICOSIS WARNING RESPIRATORY HAZARDS Grinding/cutting/drilling of masonry, concrete, metal and other materials with silica in their composition may give off dust or mists containing crystalline silica. Silica is a basic component of sand, quartz, brick clay, granite and numerous other minerals and rocks. Repeated and/or substantial inhalation of airborne crystalline silica can cause serious or fatal respiratory diseases, including silicosis.
TABLE OF CONTENTS MP2 SERIES MASONRY SAWS Proposition 65 Warning .............................................2 Silicosis/Respiratory Warnings ..................................3 Table Of Contents .....................................................4 Specifications ............................................................6 Dimensions ...............................................................7 Safety Message Alert Symbols ............................. 8-9 Rules For Safe Operation ..................
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SPECIFICATIONS Saw Model Approximate Weight Blade Capacity Cutting Depth Blade Speed Table 1. Saw Specifications MP25E1 MP25E3 MP275E3 415 lbs. (188 kg) 20 in. blade maximum 8 in. with 20 in. blade 2,240 RPMs Water Pump 115V/60Hz, Thermally protected Saw Model Engine/Motor Type Bore x Stroke Displacement Max Output Fuel Tank Cap. Fuel Lube Oil Cap. Speed Control Method Starting Method Dimension Dry Net Weight Table 2.
DIMENSIONS Figure 1. MP2 Dimensions TABLE 3. DIMENSIONS REFERENCE LETTER A B C D E F G H I WEIGHTS DESCRIPTION Max Length Max Height (Electric Models) DIMENSION (mm) 48 In. (1219 mm) 61 In. (1549 mm) Max Height (Gasoline Models) 68 In. (1727 mm) Max Width Tray Height Tray Depth Splash Shield Opening Car t Length Car t Height Car t Width MS 2090 HP MS 2050 E1 MS 2050 E3 23 In. (584 mm) 34.5 In. (876 mm) 4.5 In. (114 mm) 18 In. (457 mm) 13.5 In. (343 mm) 2.5 In. (63.5 mm) 24 In. (610 mm) 526 lbs.
SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! Safety precautions should be followed at all times when operating this equipment. Failure to read and understand the Safety Messages and Operating Instructions could result in injury to yourself and others. NOTE This Owner's Manual has been developed to provide complete instructions for the safe and efficient operation of the MP2 Saw.
SAFETY MESSAGE ALERT SYMBOLS WARNING - Accidental Engine Starting ALWAYS place the engine ON/ OFF switch in the OFF position, when the saw is not in use. HAZARD SYMBOLS - Gasoline Powered Models WARNING - Lethal Exhaust Gases Engine exhaust gases contain poisonous carbon monoxide. This gas is colorless and odorless, and can cause death if inhaled. NEVER operate this equipment in a confined area or enclosed structure that does not provide ample free flow air.
RULES FOR SAFE OPERATION WARNING - READ THIS MANUAL Failure to follow instructions in this manual may lead to serious injury or even death! This equipment is to be operated by trained and qualified personnel only! This equipment is for industrial use only. The following safety guidelines should always be used when operating the MP2 Saw. Unless otherwise noted, these guidelines refer to saws with gasoline powered engines. Safety ■ DO NOT operate or service this equipment before reading this entire manual.
RULES FOR SAFE OPERATION Safety - Electric Powered Models ■ ALWAYS connect the motor to a power source in compliance with all local electrical codes. This must be performed by a licenced electrician. ■ ALWAYS use only outdoor approved GROUNDED extension cords. ■ MAKE CERTAIN the power cord/extension cord is free from damage and that the grounding circuit is operational. ■ MAKE CERTAIN the extension cord used is intended to be used in the environment you will be using it in.
RULES FOR SAFE OPERATION ■ Ensure that the blade does not come into contact with the ground or surface during transportation. DO NOT drop the blade on ground or surface. ■ The engine governor is designed to permit maximum engine speed in a no-load condition. Speeds that exceed this limit may cause the blade to exceed the maximum safe allowable speed. ■ Ensure that the blade is mounted for proper operating direction. Saw Maintenance (Cleaning) ■ ALWAYS clean the saw before maintenance or repair.
GENERAL INFORMATION MP2 Saw Overview of Features The MP2 Saw is designed for vigorous wet-cutting masonry applications.The heavy-duty steel conveyor cart and ball bearing roller wheels ensure material stability and smooth travel. In addition a reinforced jig-welded steel frame provides rigidity for cutting accuracy and long service life. ■ 5 HP, 230 VAC , 60 Hz heavy duty electric motors with overload protection. This saw is available with either an electric motor or a gasoline engine.
CONTROLS AND COMPONENTS Figure 3. MP2 Saw (Electric Models) Figure 3. MP2 Saw (Gasoline Models) PAGE 14 — MQ MP2 SERIES SAW — OPERATION MANUAL — REV.
CONTROLS AND COMPONENTS Figure 3 shows the location of the basic controls or components for the MP2 Saw. Listed below is a brief explanation of each control or component. 1. Ruler Backstop – When cutting, place material against backstop. Use measurement rail (ruler) to determine where material is to be cut. 2. Miter Box – For angled cuts, place the lip of the miter box on the measurement rail with the threaded thumb knob facing you and tighten. 3.
ELECTRIC MOTOR COMPONENTS Figure 4. Electric Motor Components Heavy Duty Electric Motors The MP2 Saw can be equipped with several different models of electric motors. Figure 4 shows the basic components of the electric motor. Refer to the manufacturers electric motor manual for instructions & details of operation and servicing. 1. Electric Motor – The MP2 saw can be operated with either a Single Phase or Three Phase 230V motor. Only qualified electricians should service the motor.
GASOLINE ENGINE COMPONENTS Honda GX270QWH2 Gasoline Engine The engine (Figure 5) must be checked for proper lubrication and filled with fuel prior to operation. Refer to the manufacturers engine manual for instructions & details of operation and servicing. 1. Fuel Tank/Fuel Filler Cap – Holds unleaded gasoline. For additional information refer to engine owner's manual. Remove this cap to add unleaded gasoline to the fuel tank. Make sure cap is tightened securely. DO NOT over fill.
PRE-SETUP (ELECTRIC MOTORS) Pre-Setup 5. WARNING - Shut-down Saw for Cleaning Insert the water pump power plug into the outlet receptacle on the electric motor conduit box as shown in Figure 7. Whenever cleaning, adjusting or lubricating any part of the saw, MAKE CERTAIN to place the power ON/ OFF switch in the OFF position and disconnect the plug from the power source. Assembly (Electric Powered Saws Only) 1. 2. 3. 4. Remove the MP2 Saw from its container and place it on a stable, level surface.
PRE-SETUP (ELECTRIC MOTORS) WARNING - Inspect the Blade before Cutting Failure to thoroughly inspect the blade for operational safety could result in damage to the blades or the saw and may cause serious injury to the user or others in the operating area. Inspect the blade flanges and shaft for damage before installing the blade. Saw Blades Diamond Blades are recommended for your saw. Ask your MQ dealer about your specific cutting application. Saw Blade Definitions (Figure 9) 1.
PRE-SETUP (ELECTRIC MOTORS) Connecting the Power (Figure 10) 1. CAUTION - Grounding Electric Motors Place the power ON/OFF switch (Figure 11) in the OFF position (down). ALWAYS use a grounded (3-wire) extension cord and MAKE CERTAIN that the motor is connected to a properly grounded electric circuit. If possible use a ground fault circuit interrupter to protect the operator from possible electric shock. 4. The MP2 Saw is now ready for wet cutting. Dry Cutting (Electric Saws Only) 1. Figure 11.
PRE-SETUP (GASOLINE ENGINE) Pre-Setup NOTE CAUTION - Shut-down Saw for Cleaning Whenever cleaning, adjusting or lubricating any part of the saw, MAKE CERTAIN to stop the engine and disconnect the spark plug wire from the spark plug. The mechanical water pump is shipped from the factory for dry cutting applications. Wet Cutting Setup (Gasoline Only) The MP2 Saw gasoline model utilizes some of the same procedures that are used for the electric models.
PRE-SETUP (GASOLINE ENGINE) Dry Cutting Setup (Gasoline Only) CAUTION - Dry Cutting ALWAYS use the water feed system unless special dry cut blades are being used. If dry cutting is required disconnect water pump. To disconnect the mechanical water pump from the drive V-belts for Dry Cutting, perform the following: 1. Loosen the 2 hex head cap screws (Figure 14) that secure the pump mount bracket. Figure 15. Engine Oil Dipstick (Removal) 2. Pull the pump handle upward to disengage the pump.
STARTUP/SHUTDOWN (ELECTRIC MOTORS) Start-up (Electric Motor) 2. CAUTION - Read this Manual before Starting! Read and fully understand this manual before starting or attempting to operate the saw. Before starting the saw's electric motor make sure that the Safety, General Information, Inspection and Pre-setup sections have been completed and understood. DO NOT proceed until the above mentioned sections have been completed. Avoid overloading the motor when cutting.
STARTUP/SHUTDOWN (GASOLINE ENGINE) Start-up Gasoline Engine 2. Place the Engine ON/OFF switch (Figure 20) in the ON position. CAUTION - Read this Manual before Starting! Read and fully understand this manual before starting or attempting to operate the saw. Before starting the saw's electric motor make sure that the Safety, General Information, Inspection and Pre-setup sections have been completed and understood. DO NOT proceed until the above mentioned sections have been completed. Figure 20.
STARTUP/SHUTDOWN (GASOLINE ENGINE) 5. Grasp the starter grip (Figure 23) and slowly pull it out. The resistance becomes the hardest at a certain position, corresponding to the compression point. Pull the starter grip briskly and smoothly for starting. 9. Avoid overloading the engine when cutting. In the event that the engine becomes overloaded, turn the engine ON/OFF switch to the OFF position (Figure 25) and allow the engine to cool before attempting to restart.
OPERATION Operation 4. DANGER - Amputation Hazard ALWAYS be alert to the fact that there is a rotating blade on the saw and be extremely aware of your body position - especially your hands in relationship to the rotating blade. The possibility exists of severe bodily harm even death if your body comes in contact with the rotating saw blade.
MAINTENANCE (SAW) Maintenance A good preventive maintenance program of regular inspection and care will increase life and improve the performance of the saw and cutting blades. WARNING - Shut-down the Saw for Maintenance Whenever cleaning, adjusting, or lubricating any part of the saw, MAKE CERTAIN to do the following: Electric Powered Saws ■ Place power ON/OFF switch to the OFF position. ■ Disconnect power cord from AC source. ■ NEVER attempt to check the V-belt with the engine running.
MAINTENANCE (SAW) Adjust Belt Tension (Gasoline Powered Saws) 1. Remove engine-to-jackshaft and jackshaft-to-bladeshaft belt guards. 3 When belt tension is correct, pulleys are aligned, and belts are parallel, tighten jackshaft mounting bolts and adjuster screw jam nuts. 2. Check for proper belt tension on jackshaft-to-bladeshaft 4. Check for proper engine-to-jackshaft belt tension (4-5 lbs with 1/8" deflection at mid-point between pulleys.) belts and engine-to-jackshaft belts.
MAINTENANCE (SAW) Cutting Head Alignment (Blade) Checking Vertical Cutting Head Alignment: When cutting with the MP2 Saw, make certain the cutting head is properly aligned horizontally and vertically with the conveyor cart. Misalignment can adversely affect blade life. Horizontal Cutting Head Alignment: 1. Loosen the set screws (Motor Plate & Blade Guard Assy., Item 9) for the engine mount bearings. 2.
MAINTENANCE (GASOLINE ENGINE) Engine Maintenance Perform engine maintenance procedures as referenced by Table 6 below: TABLE 6. ENGINE MAINTENANCE SCHEDULE DESCRIPTION (3) OPERATION BEFORE CHECK X FIRST MONTH OR 10 HRS. EVERY 3 MONTHS OR 25 HRS. EVERY 6 MONTHS OR 50 HRS. EVERY YEAR OR 100 HRS. EVERY 2 YEARS OR 200 HRS.
MAINTENANCE (GASOLINE ENGINE) Maintenance Perform the engine maintenance procedures as indicated below: Daily ■ Thoroughly remove dirt and oil from the engine and control area. Clean or replace the air cleaner elements as necessary. Check and retighten all fasteners as necessary. Check the spring box and bellows for oil leaks. Repair or replace as needed. Weekly ■ Remove the fuel filter cap and clean the inside of the fuel tank. ■ Remove or clean the filter at the bottom of the tank.
ENGINE WIRING DIAGRAM Figure 37. Honda GX270 QWH2 Engine Wiring Diagram PAGE 32 — MQ MP2 SERIES SAW — OPERATION MANUAL — REV.
TROUBLESHOOTING - BLADE Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based on the Blade Troubleshooting (Table 7) information shown below and on the following page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant. Table 7.
TROUBLESHOOTING (GASOLINE ENGINE) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based on the Engine Troubleshooting (Table 8) information shown below and on the following page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant. TABLE 8.
TROUBLESHOOTING (GASOLINE ENGINE) TABLE 8. ENGINE TROUBLESHOOTING (CONTINUED) SYMPTOM POSSIBLE PROBLEM SOLUTION Operation not satisfactory Rotational speed fluctuates. Recoil star ter not working properly. Governor adjustment improper? Adjust governor to correct lever. Governor spring defective? Clean or replace ignition. Fuel flow erratic? Check fuel line. Dust in rotating par t? Clean recoil star ter assembly. Spiral spring failure? Replace spiral spring.
TROUBLESHOOTING (ELECTRIC MOTOR) Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take a remedial action following the diagnosis based on the Electric Motor Troubleshooting (Table 9) information shown below and on the following page. If the problem cannot be remedied, please leave the unit just as it is and consult our company's business office or service plant. TABLE 9.
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OPERATION MANUAL HERE’S HOW TO GET HELP PLEASE HAVE THE MODEL AND SERIAL NUMBER ON-HAND WHEN CALLING UNITED STATES Multiquip Corporate Office 18910 Wilmington Ave. Carson, CA 90746 Contact: mq@multiquip.com MQ Parts Department Tel. (800) 421-1244 Fax (800) 537-3927 Mayco Parts 800-427-1244 310-537-3700 Fax: 800-672-7877 Fax: 310-637-3284 Warranty Department 800-306-2926 310-537-3700 Fax: 800-672-7877 Fax: 310-637-3284 Service Department 800-421-1244, Ext. 279 310-537-3700, Ext.
