OPERATION AND PARTS MANUAL MODEL QP402H CENTRIFUGAL PUMP (HONDA GX240U1PMT2/GX240UT2PMT2 GASOLINE ENGINE) Revision #2 (01/29/14) 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 PAGE 2 — QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV.
NOTES QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV.
TABLE OF CONTENTS QP402H Centrifugal Pump Proposition 65 Warning............................................ 2 Table Of Contents..................................................... 4 Parts Ordering Procedures....................................... 5 Safety Information............................................... 6-10 Specifications (Pump)............................................. 11 Specifications (Engine)........................................... 12 General Information.............................
www.multiquip.com PARTS ORDERING PROCEDURES Ordering parts has never been easier! Choose from three easy options: Order via Internet (Dealers Only): Best Deal! Effective: January 1st, 2006 If you have an MQ Account, to obtain a Username and Password, E-mail us at: parts@multiquip. com. Order parts on-line using Multiquip’s SmartEquip website! ■ View Parts Diagrams ■ Order Parts ■ Print Specification Information To obtain an MQ Account, contact your District Sales Manager for more information.
SAFETY INFORMATION Do not operate or service the equipment before reading the entire manual. 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. Potential hazards associated with the operation of this equipment will be referenced with hazard symbols which may appear throughout this manual in conjunction with safety messages.
SAFETY INFORMATION GENERAL SAFETY CAUTION NEVER operate this equipment without proper protective clothing, shatterproof glasses, respiratory protection, hearing protection, steel-toed boots and other protective devices required by the job or city and state regulations. NEVER operate this equipment when not feeling well due to fatigue, illness or when under medication. NEVER operate this equipment under the influence of drugs or alcohol.
SAFETY INFORMATION CAUTION NEVER lubricate components or attempt service on a running machine. NEVER block or restrict flow from discharge hose. Remove kinks from discharge line before starting pump. Operation with a blocked discharge line can cause water inside pump to overheat. NOTICE ALWAYS fill the pump casing with water before starting the engine. Failure to maintain water inside the pump housing will cause severe damage to the pump and mechanical seal.
SAFETY INFORMATION Store fuel in appropriate containers, in well-ventilated areas and away from sparks and flames. NEVER use fuel as a cleaning agent. DO NOT smoke around or near the equipment. Fire or explosion could result from fuel vapors or if fuel is spilled on a hot engine. BATTERY SAFETY (ELECTRIC START ONLY) DANGER DO NOT drop the battery. There is a possibility that the battery will explode. DO NOT expose the battery to open flames, sparks, cigarettes, etc.
SAFETY INFORMATION ENVIRONMENTAL SAFETY/DECOMMISSIONING NOTICE EMISSIONS INFORMATION NOTICE Decommissioning is a controlled process used to safely retire a piece of equipment that is no longer serviceable. If the equipment poses an unacceptable and unrepairable safety risk due to wear or damage or is no longer cost effective to maintain (beyond life-cycle reliability) and is to be decommissioned (demolition and dismantlement),be sure to follow rules below.
SPECIFICATIONS (PUMP) Table 1. Specifications (Pump) Model Type Suction and Discharge Size Maximum Pumping Capacity Max. Lift Max. Head Max. Pressure Pump Dry Net Weight QP402H Centrifugal Pump 4.00 in. (101 mm.) 425 gallons/minute (1,615 liters/minute) 25 ft. (7.62 m) 100 ft. (30.0 m) 43.3 psi (299 kPa) 137 lbs. (62 Kg.) 19.37 IN. (49.2CM.) 25.12 IN. (63.8 CM.) 25.79 IN (65.5 CM.) Figure 1. QP402H Dimensions QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV.
SPECIFICATIONS (ENGINE) Table 2. Specifications (Engines) HONDA GX240U1PMT2/ GX240UT2PMT2 Air-cooled 4 stroke, Single Cylinder, OHV, Type Horizontal Shaft Gasoline Engine 3.03 in. x 2.30 in. Bore x Stroke (77 mm x 58 mm) Displacement 242 cc (14.8 cu-in) Max Output 7.1 H.P./3,600 R.P.M. Approx. 1.4 U.S. Gallons Fuel Tank Capacity (5.3 Liters) Fuel Unleaded Automobile Gasoline Lube Oil Capacity 1.16 quarts (1.1 liters) Speed Control Method Centrifugal Fly-weight Type Starting Method Recoil Start 14.0 x 16.
GENERAL INFORMATION APPLICATION The QP402H Centrifugal Pump is designed to handle all types of clear water applications. It is ideal for residential use such as dewatering basements and swimming pools. Both the suction and discharge ports on the QP402H pump use a 3-inch diameter opening, which allows the pump to pump at a rate of approximately 425 gallons/minute (gpm) or 1,615 liters/minute (lpm).
PUMP COMPONENTS Figure 3 shows a typical application using the QP402H centrifugal pump. Please note that this pump is intended for the removal of clean water. . 1 3 2 4 6 5 7 8 4 6 Figure 3. QP402H Pump Application 4 9 1. Pump — The QP402H is a 4-inch centrifugal pump used in general de-watering applications. 2. Fill Cap — Prior to operation, the pump casing should be filled with water. Remove this cap to add water to the pump.
BASIC ENGINE Figure 4. Engine Controls and Components INITIAL SERVICING The engine (See Figure 4) must be checked for proper lubrication and filled with fuel prior to operation. Refer to the manufacturers engine manual for instructions and details of operation and servicing. The engine shown above is a HONDA engine, operation for other types of engines may vary somewhat. 1. Fuel Filler Cap — Remove this cap to add unleaded gasoline to the fuel tank. Make sure cap is tightened securely. DO NOT over fill.
INSPECTION (ENGINE) CAUTION DO NOT attempt to operate the pump until the Safety Information, General Information and Inspection sections of this manual have been read and thoroughly understood. 3. Insert and remove the dipstick without screwing it into the filler neck. Check the oil level shown on the dipstick. 4. If the oil level is low (See Figure 6), fill to the edge of the oil filler hole with the recommended oil type (Table 5). Maximum oil capacity is 1.16 quarts (1.1 liters).
SETUP 1. Place pump as near to water as possible, on a firm flat, level surface. 2. To prime pump, remove fill cap (See Figure 3) and fill pump casing with water. If the pump casing is not filled with water before starting, it will not begin pumping. 3. Attach suction and discharge hoses to the pump. Check that all hoses are securely attached to the pump. Make certain suction hose (See Figure 3) does not have any air leakage. Tighten hose clamps and couplings as required. 4.
OPERATION CAUTION DO NOT attempt to start the engine unless the pump has previously been primed with water. Severe pump damage will occur if pump has not been primed. 4. Place the choke lever (See Figure 10) in the OPEN position if starting a warm engine or the temperature is warm. STARTING THE ENGINE 1. Place the engine fuel valve lever (See Figure 7) to the ON position. Figure 10. Engine Choke Lever (Open) 5. Place the engine ON/OFF switch (See Figure 11) in the ON position. Figure 7.
OPERATION STOPPING THE ENGINE Normal Shutdown 1. Move the throttle lever to the IDLE position (See Figure 14) and run the engine for three minutes at low speed. Figure 13. Choke Lever (Open) 8. Before the pump is placed in to operation, run the engine for several minutes. Check for fuel leaks, and noises that would associate with a lose component. 9. To begin pumping, place the throttle lever (See Figure 13) in the RUN position.
MAINTENANCE (PUMP) PUMP VACUUM TEST CAUTION DO NOT attempt to start the engine unless the pump has previously been primed with water. Severe pump damage will occur if pump has not been primed. To perform the pump vacuum test do the following: 1. Remove the pump fill cap (See Figure 3), and fill the pump with water. 2. Start the engine as outlined in the initial start-up section, and wait for the pump to begin pumping. 3.
MAINTENANCE (PUMP) CAUTION DO NOT RUN PUMP WITHOUT WATER. PLACE VACUUM TESTER OVER PUMP SUCTION PORT DISCHARGE PORT WATER HOSE WATER SOURCE DIRECTION OF WATER FLOW -15 0 -20 -1 -60 -40 -25 -80 -20 -100 kPa in. Hg 0 -3 PUMP VACUUM TESTER WIKA -5 ACCEPTABLE READING SHOULD BE BETWEEN -25 AND -20 IN. HG. 25 IN. HG. TRANSLATES INTO 25 FEET OF LIFT AT SEA LEVEL. R Figure 18. Pump Vacuum Tester QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV.
MAINTENANCE (ENGINE) ENGINE MAINTENANCE Perform engine maintenance procedures as referenced by Table 6 below: Description (3) Engine Oil Air Cleaner All Nuts and Bolts Spark Plug Cooling Fins Spark Arrester Fuel Tank Fuel Filter Idle Speed Valve Clearance Fuel lines Operation Table 6.
MAINTENANCE (ENGINE) DAILY DANGER 1. 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 1. Remove the fuel filter cap and clean the inside of the fuel tank. 2. Remove or clean the filter at the bottom of the tank. 3. Remove and clean the spark plug (See Figure 19), then adjust the spark gap to 0.028~0.
MAINTENANCE (ENGINE) SPARK ARRESTER CLEANING Clean the spark arrester every 6 months or 100 hours. 1. Remove the 4 mm screw (3) from the exhaust deflector, then remove the deflector. See Figure 22. 4. Carefully remove carbon deposits from the spark arrester screen (Figure 23) with a wire brush. WIRE BRUSH 2. Remove the 5 mm screw (4) from the muffler protector, then remove the muffler protector. 3.
STORAGE PUMP STORAGE For storage of the pump for over 30 days, the following is required: Drain the fuel tank completely. Run the engine until the fuel is completely consumed. Completely drain used oil from the engine crankcase and fill with fresh clean oil, then follow the procedures described in the engine manual for engine storage. Remove the drain plug from the pump and drain out any water from left in the housing. Remove the pump cover and clean inside of pump housing.
TROUBLESHOOTING (ENGINE) Symptom Table 7. Engine Troubleshooting Possible Problem Solution Difficult to start Ignition plug being bridge? Fuel is available but spark plug will not Carbon deposit at ignition? ignite. (Power available at high tension Short circuit due to defective insulators? cable). Improper spark gap? Fuel is available but spark plug will not Short circuit at stop switch? ignite. (Power NOT available at high tension cable).
TROUBLESHOOTING (ENGINE/PUMP) Table 7. Engine Troubleshooting Possible Problem Symptom Operation not satisfactory Rotational speed fluctuates. Recoil starter not working properly. Symptom Governor adjustment improper? Governor spring defective? Fuel flow erratic? Air taken in through suction line? Dust in rotating part? Spring failure? Table 8.
EXPLANATION OF CODE IN REMARKS COLUMN The following section explains the different symbols and remarks used in the Parts section of this manual. Use the help numbers found on the back page of the manual if there are any questions. NOTICE The contents and part numbers listed in the parts section are subject to change without notice. Multiquip does not guarantee the availability of the parts listed. SAMPLE PARTS LIST NO. 1 2% 2% 3 4 PART NO. PART NAME QTY. REMARKS 12345 BOLT .....................1 .....
SUGGESTED SPARE PARTS QP402H CENTRIFUGAL PUMP WITH HONDA GX240U1PMT2/GX240UT2PMT2 ENGINE 1 to 3 units Qty. P/N Description 2............KIT402H........................ KIT, PUMP, MECHANICAL SEAL, SLEEVE, O-RINGS 2............0631211100ASSY......... DRAIN CAP, FLOODING W/O-RING 2 ...........0480350300................... O-RING DRAIN CAP 1............0482200750................... O-RING, VOLUTE CASING 1............0489312550................... O-RING, CASING 1............1424000030...................
PUMP ASSEMBLY 44 41 11 36 42 25 PUMP KIT 17 39 40 6 5 21 23 22 18 12 19 28 26 4 14 8 16 43 15 13 24 18 26 7 37 31 31 10 34 34 31 32 34 29 31 30 9 38 31 34 PAGE 30 — QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV.
PUMP ASSEMBLY NO. 2 3 4 5 6 7 8 9 10 11 12% 13 14% 15 16 17% 18 19% 19% 20 21% 22% 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 PART NO.
ENGINE SERVICE PARTS PAGE 32 — QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV.
ENGINE SERVICE PARTS NO. 1 1 2 3 4# 5 5 PART NO. 17620Z0T305 17620Z4H020 28462ZE2W11 17210ZE2822 17218ZE2505 9807956846 9807955876 PART NAME QTY. REMARKS CAP, WITH GASKET, FUEL FILLER.......................1............GX240U1PMT2 CAP, WITH GASKET, FUEL FILLER.......................1............GX240UT2PMT2 ROPE, RECOIL STARTER 1 ELEMENT, AIR CLEANER.....................................1............INCLUDES ITEM W/ # FILTER, OUTER 1 SPARK PLUG.........................................................1.....
TERMS AND CONDITIONS OF SALE — PARTS PAYMENT TERMS 5. Parts must be in new and resalable condition, in the original Multiquip package (if any), and with Multiquip part numbers clearly marked. 6. The following items are not returnable: Multiquip reserves the right to quote and sell direct to Government agencies, and to Original Equipment Manufacturer accounts who use our products as integral parts of their own products. a. SPECIAL EXPEDITING SERVICE Terms of payment for parts are net 30 days.
NOTES QP402H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV.
OPERATION AND PARTS 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.
