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OPERATION AND PARTS MANUAL
MODEL MQ-D306HA
DIAPHRAGM PUMP
(Honda Gasoline Engine)
Revision #3 (01/09/07)
THIS MANUAL MUST ACCOMPANY
THE EQUIPMENT AT ALL TIMES.
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MQ-D306HA — PROPOSITION 65 WARNING PAGE 2 — MQ-D306HA DIAPHRAGM PUMP — OPERATION AND PARTS MANUAL — REV. #3 (01/09/07)
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NOTE PAGE MQ-D306HA DIAPHRAGM PUMP — OPERATION AND PARTS MANUAL— REV. #3 (01/09/07) — PAGE 3
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MQ-D306HA — TABLE OF CONTENTS MQ-D306HA Gasoline HONDA GX120K1QX2 Engine Air Cleaner Assembly......................................... 36-37 Powered Diaphragm Camshaft Assembly ........................................... 38-39 Pump Carburetor Assembly ......................................... 40-41 Proposition 65 Warning ............................................. 2 Control Assembly ............................................... 42-43 Table of Contents .......................................
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st Effective: June 1 , 2005 PARTS ORDERING PROCEDURES Ordering parts has never been easier! Choose from three easy options: 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 and q
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MQ-D306HA— SPECIFICATIONS (PUMP/ENGINE) Table 1. Specifications (Pump) MQ-306H Diaphragm Type Pump Suction & Discharge 3.00 in. (76 mm.) Size Maximum Pumping 5,100 gallons/hour Pump Capacity (19,305 liters/hour) M) ax. Soilds Diameter 1.5 in. (38 mm M) ax Lift 25 ft. (7.62 meters M) ax. Head 50 ft. (15.24 meters 160 lbs. (72 Kg.) Dry Net Weight Table 2. Specifications (Engine) M2 odel HONDA GX120K1QX Air-cooled 4 stroke, Single Type Cylinder, OHV, Horizontal Shaft Gasoline Engine 2.4 in. x 1.7
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MQ-D306HA— DIMENSIONS (PUMP) Figure 1. MQ-D306HA Pump Dimensions Table 3. Dimensions A B C MODEL LENGTH WIDTH HEIGHT 36.0 in. 19.0 in. 27.0 in. MQ-306HA (91 cm.) (48 cm.) (69 cm.) MQ-D306HA DIAPHRAGM PUMP — OPERATION AND PARTS MANUAL— REV. #3 (01/09/07) — PAGE 7
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MQ-D306HA— SAFETY MESSAGE ALERT SYMBOLS FOR YOUR SAFETY AND THE SAFETY OF OTHERS! HAZARD SYMBOLS Potential hazards associated with the operation of the MQ Safety precautions should be followed at all times when operating this equipment. Failure to read and understand the Safety Model D-306H, B and R Diaphragm Pumps. will be referenced Messages and Operating Instructions could result in injury to with Hazard Symbols which appear throughout this manual, yourself and others. and will be reference
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MQ-D306HA— SAFETY MESSAGE ALERT SYMBOLS CAUTION - Equipment Damage Hazards CAUTION - Rotating Parts Hazards NEVER operate equipment with covers, Other important messages are provided throughout this or guards removed. Keep fingers, hands, manual to help prevent damage to your light tower, other hair and clothing away from all moving property, or the surrounding environment. parts to prevent injury. CAUTION - Accidental Starting Hazards CAUTION - Read Manual ALWAYS place the power source, circu
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MQ-D306HA — RULES FOR SAFE OPERATION ■NEVER touch the hot exhaust Read this manual! manifold, muffler or cylinder. Allow DANGER DANGER DANGER DANGER DANGER these parts to cool before servicing engine or mixer. Failure to follow instructions in this manual may lead to serious injury or even death! This equipment is to be ■High Temperatures – Allow the operated by trained and qualified personnel only! This engine to cool before adding fuel or equipment is for industrial use only. performing servic
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MQ-D306HA — RULES FOR SAFE OPERATION ■ ALWAYS be sure the operator is familiar with proper safety TRANSPORTING precautions and operation techniques before using pump. ■ ALWAYS shutdown engine before transporting. ■ NEVER leave the pump unattended, turn off engine when ■ Tighten fuel tank cap securely and close fuel cock to unattended. prevent fuel from spilling. ■ NEVER pump volatile, explosive, flammable or low flash point ■ Drain fuel when transporting pump over long distances fluids. These fl
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MQ-D306HA — GENERAL INFORMATION APPLICATION Elevation The MQ Model D305HA diaphragm pump is designed to be Higher elevations will effect the performance of the pump. Due to used for de-watering applications. The suction and discharge less atmospheric pressure at higher altitudes, pumps DO NOT ports on this pump use a 3-inch diameter opening, which allows have the priming ability that they have at sea level. This is due to the pump to pump at rate of approximately 5,100 gallons/hour the “thinn
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MQ-D306HA — PUMP COMPONENTS Figure 2 shows a typical application using the MQ D306HA series diaphragm 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 1.5 inch (38 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. Contact your nearest NOTE Multiqui
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MQ-D306HA — BASIC ENGINE Figure 3. Engine Controls and Components INITIAL SERVICING 6. Choke Lever – Used in the starting of a cold engine, or in The engine (Figure 3) must be checked for proper lubrication and cold weather conditions. The choke enriches the fuel filled with fuel prior to operation. Refer to the Honda manufacturers mixture. engine manual for instructions and details for operation and 7. Air Cleaner – Prevents dirt and other debris from entering servicing. the fuel system. R
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MQ-D306HA — PRE-INSPECTION (ENGINE) CAUTION - Read Manual Please read the entire maintenance section in this manual before servicing the pump. In addition for operator safety, please read all safey messages at the begining of the manual Figure 5. Engine Oil Dipstick (Oil Level) Inspection 1. Clean the pump, removing dirt and dust, particularly the engine cooling air inlet, carburetor and air cleaner. Table 5. Oil Type 2. Check the air filter for dirt and dust. If air filter is dirty, replace S
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MQ-D306HA — PRE-SETUP (PUMP) 3. Remember suction hoses must be rigid enough not to Before Starting: collapse when the pump is in operation. CAUTION - General Safety Precautions 4. Check that the discharge hose (Figure 2) is not restricted. Place hose so that it lays as straight as it is possible on the NEVER operate the pump in a confined ground. Remove any twists or sharp bends from hose which area or enclosed area structure that does may block the flow of water. not provide ample free flow
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MQ-D306HA — PRE-SETUP (PUMP) Connecting Rod Bearing Lubrication Gear Reduction Oil (Transmission) 1. Grease connecting rod bearing thru the access 1. Remove the transmission oil level plug (Figure 6). If oil begins to seep out as the plug is being removed, then it hole (Figure 7) every 25 hours of operation. can be assumed that the transmission oil is at the proper 2. Use only premium lithium based grease, conforming to operating level. NLG1 Grade #2 consistency. 2. If oil does not seep out
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MQ-D306HA— INITIAL START-UP (ENGINE) 4. Place the choke lever (Figure 9) in the "CLOSED " position CAUTION - Read Manual if starting a warm engine or the temperature is warm. DO NOT attempt to operate the pump until the Safety, General Information and Inspection sections of this manual have been read and thoroughly understood. This section is intended to assist the operator with the initial start-up of the diaphragm pump. It is extremely important that this section be read carefully before att
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MQ-D306HA— INITIAL START-UP (ENGINE) 7. If the engine has started, slowly return the choke lever Stopping The Engine (Figure 14 ) to the “CLOSED” position. If the engine has not Normal Shutdown started repeat steps 1 through 6. 1. Move the throttle lever to the IDLE position (Figure 16) and run the engine for three minutes at low speed. Figure 16. Throttle Lever (Idle) 2. After the engine cools, turn the engine ON/OFF switch to the “OFF” position (Figure 17). Figure 14. Choke Lever (Closed) 8
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MQ-D306HA — MAINTENANCE (PUMP) Pump Vacuum Test Pump Cleaning After pumping water containing large amounts of dirt and CAUTION - Priming Pump debris, perform the following: DO NOT attempt to start the engine unless the pump has 1. Remove the drain plug from the pump housing (Figure 2) previously been primed with water. Severe pump damage and drain any water left in the pump. will occur if pump has not been primed. 3. Clean and remove dirt, debris from pump casing. Inspect impeller and volute for
