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OPERATION AND PARTS MANUAL
MODEL MQ41TDH
DIESEL POWERED TRASH PUMP
(HATZ 1D81Z DIESEL ENGINE)
Revision #4 (08/15/08)
To find the latest revision of this
publication, visit our website at:
www.multiquip.com
THIS MANUAL MUST ACCOMPANY THE EQUIPMENT AT ALL TIMES.
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PROPOSITION 65 WARNING Diesel engine exhaust and some of PAGE 2 —MQ41TDH TRASH PUMP — PARTS & OPERATION MANUAL — REV. #3 (04/02/07)
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REPORTING SAFETY DEFECTS REPORTING SAFETY DEFECTS If you believe that your vehicle has a defect that could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Multiquip at 1-800-421-1244. If NHTSA receives similar complaints, it may open an investigation, and if it finds that a safety defect exists in a group of vehicles, it may order a recall and remedy campaign. However, NHTSA cannot be
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TRAINING CHECKLIST TRAINING CHECKLIST This checklist will lists some of the minimum requirements for machine maintenance and operation. Please detach it and make copies. Use this checklist whenever a new operator is to be trained or it can be used as a review for more experienced operator’s. TRAINING CHECKLIST NO. DESCRIPTION OK? DATE 1 ReadOperator’s Manual completely. Machinelayout, locationof components, checkingof engineandoil 2 levels. 3 Fuel system, refuelingprocedure. 4 Pumpprimingproced
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DAILY PRE-OPERATION CHECKLIST DAILY PRE-OPERATION CHECKLIST DAILY PRE-OPERATION CHECKLIST 1 Checkengineoil level. 2 Checkfuel level (andfor cleanfuel). 3 Checkcoolingfinsandcoolingair flow. 4 Checkengineair cleaner blockageindicator. 5 Checkengineair cleaner. 6 Checkenginebatteryandcableconnections. 7 Checkpumpvolute. 8 Checkpumpimpeller. 9 Checkpumpseal. 10 Checkpumpcasingfor cracks. 11 Checktrailer wheel lugnutsfor tightness. 12 Checktrailer wheel bearings. 13 Checktrailer hitchandball. 14 Che
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TABLE OF CONTENTS Proposition 65 Warning ............................................. 2 Hatz 1D81Z Diesel Reporting Safety Defects.......................................... 3 Engine Training Checklist ...................................................... 4 Crankcase Assembly .........................................46-47 Daily Pre-Operation Checklist ................................... 5 Crankcase Assembly (External Parts) ...............48-49 Table Of Contents ................................
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PARTS ORDERING PROCEDURES Ordering parts has never been easier! Choose from three easy options: Effective: st January 1 , 2006 Best Deal! Order via Internet (Dealers Only): If you have an MQ Account, to obtain a Order parts on-line using Multiquip’s SmartEquip website! Username and Password, E-mail us at: parts@multiquip.com. ■ View Parts Diagrams To obtain an MQ Account, contact your ■ Order Parts District Sales Manager for more information. ■ Print Specification Information Use the internet an
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RULES FOR SAFE OPERATION CAUTION: ■ NEVER touch the hot exhaust manifold, Failure to follow instructions in this manual may muffler or cylinder. Allow these parts to lead to serious injury or even death! This cool before servicing engine or pump. 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 MQ41TDH Trash Pump: ■ High Temperatures – Allow the engine to cool b
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RULES FOR SAFE OPERATION ■ NEVER use accessories or attachments, which are not ■ Always make sure pump is correctly secured to the trailer. recommended by Multiquip for this equipment. Damage to Check all supports attaching the pump to the trailer and make the equipment and/or injury to user may result. sure they are tight. ■ NEVER pump volatile, flammable or low flash point fluids. ■ Always make sure that the pump's trailer is placed on solid These fluids could ignite or explode. level groun
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OPERATION AND SAFETY DECALS Machine Safety Decals The MQ41TDH Centrifugal Trash pump is equipped with a number of safety decals. These decals are provided for operator safety and maintenance information. The illustration below shows these decals as they appear on the machine. If any of these decals become unreadable, replacements can be obtained from your dealer. PAGE 10 —MQ41TDH TRASH PUMP — PARTS & OPERATION MANUAL — REV. #3 (04/02/07)
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MQ41TDH — SPECIFICATIONS TABLE 1. Engine Specifications EZ ngineMake HAT EZ ngineModel 1D81 El ngineType AirCooled4-StrokeDiese N1 umberOf Cylinders Bm ore/Stroke 88/85m Cn ombustionMethod Direct Fuel Injectio O7 il Grade SeeTable3, pg1 Os il Capacity .5gal/1.9liter Fl uel Type Diese Fs uel TankCapacity 1.85gal/7.0liter Ws eight 91kg/201lb St tartingMethod ElectricStar TABLE 2. Pump Specifications MaximumPumping 611gpm(2, 313lpm) Capacity M) aximumSuctionLift* 25FT.(7.6meters M) aximumTotal Head
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MQ41TDH — COMPONENTS Figure 1. Pump Components PAGE 12 —MQ41TDH TRASH PUMP — PARTS & OPERATION MANUAL — REV. #3 (04/02/07)
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MQ41TDH — GENERAL INFORMATION The MQ41TDH Trash Pump is a self-priming centrifugal trash Pump Clean-out pump powered by a 15 horsepower air-cooled four stroke HATZ The clean-out cover on the MQ41TDH has been design for easy diesel engine. Both the intake (suction) and discharge ports on removal that allows for easy access to the volute and impeller the MQ41TDH incorporate a 4-inch diameter opening, which for cleaning and servicing. allows the pump to pump at a rate of approximately 611 gpm
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MQ41TDH — APPLICATION Figure 2 below shows a typical application using the MQ41TH Centrifugal Trash pump. Please note that this pump is intended for the removal of clean water and water containing some debris and solids. Maximum size of solids should not exceed 2 inches (50 mm) in diameter. DO NOT set strainer on bottom of water bed. Placing the strainer above the water bed will prevent the pump from drawing in excessive amounts of sand and foreign debris. Figure 2. Pump Application PAGE 14 —MQ4
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MQ41TDH — PRE-SETUP (PUMP) Before Starting NOTE 1. Read safety instructions at the beginning of manual. Suction and discharge hoses are available from Multiquip. Contact your nearest dealer 2. Place pump as near to water as possible, on a firm flat, level for more information. surface. 3. To prime pump, remove fill cap (Figure 1) and fill pump case with water. If the pump case is not filled with water before 5. The discharge hose is usually a collapsible (thin-walled) starting, it will not begin
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MQ41TDH — INITIAL START-UP (ENGINE) 4. If engine oil is low, fill engine crankcase with lubricating CAUTION : oil through filler hole (Figure 3), but do not overfill. DO NOT attempt to start the engine unless 5. The oil listed in Table 3 is recommended to ensure better the pump has previously been primed with engine performance. Use class CD or higher grade motor water. Severe pump damage will occur if oil. pump has not been primed. Engine Oil 1. Make sure pump/engine is on level ground. 2. Pul
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MQ41TDH — INITIAL START-UP (ENGINE) Fuel Speed Control Lever 1. Set the Speed Control Lever (Figure 5) to a position CAUTION : half way between start and stop. Never fill the fuel tank while the engine is running or in the dark. Fuel spillage on a hot engine can cause a fire or explosion. NOTE If fuel spillage occurs, wipe up the spilled Selecting a lower engine speed will reduce fuel completely to prevent fire hazards. smoke when starting. 1. Determine if engine fuel is low by removing fuel cap
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MQ41TDH — INITIAL START-UP (ENGINE) Control Box Operation 1. Insert ignition key into ignition switch located on control 1. The MQ41TDH trash pump should begin pumping water box (Figure 6) within a minute depending on the length of suction hose and height the pump is above water. NOTE Longer suction hoses will require more time for the pump to begin pumping water. 2. If pump does not begin to pump water after a few minutes, check for loose connections or air leaks in suction hose. Make sure the
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MQ41TDH — MAINTENANCE General Inspection Changing Oil Filter The following maintenance guidelines are intended to assist Change the engine oil filter (Figure 8) and gasket after 250 the operator in preventative maintenance. For a more detailed hours of operation. To gain access to the oil filter element, maintenance schedule refer to the Hatz Engine Instruction unscrew the oil filter cap and replace the oil filter element. Manual supplied with the pump. Make sure to tighten oil filter cap secure
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MQ41TDH — MAINTENANCE Air Filter Blockage Indicator To clean or replace air filter loosen the wing nut on the air filter housing (Figure 11), remove the cover and take out air To test the air cleaner blockage indicator (Figure 10) run the filter cartridge. If only cleaning of the air filter is desired blow engine at full speed for a short time. If the rubber bellows is through the air filter cartridge from the inside, moving a jet pulled inwards (down), and the green rubber band cannot be of d
