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PUMP
MODEL : EW1 OOR
INSTRUCTION MANUAL
1 ISSUEEMD-PU0945 I
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Thank you for purchasing a Makita water pump. This manual covers operation and maintenance of water pumps. All information in this publication is based on the latest product infor- mation available at the time of approval for printing. Please read this manual carefully before operating. CONTENTS Page ............................................... 1. PUMP SAFETY 1 ............................................... 2. COMPONENTS 2 ............................. 3. PREPARATIONS FOR STARTIN
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~~ ~ ~~ Please make sure you review each precaution carefully. SURROUNDINGS m Operate the pump on a stable, level surface free of small rocks, loose gravel, etc. m Keep pump at least 3 feet (1 meter) away from buildings. Keep pump away from flammables and other hazardous materials (trash, rags, lubricants, explosives). FIRE PREVENTION Be sure to stop the engine prior to refueling. m Do not overfill fuel tank. m If spillage does occur, wipe away spilt fuel thoroughly and wait until fue
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2. COMPONENTS Speed control lever Fuel tank Plug(priming) \ Delivery , Chokelever Suction Plug(drain)’ Hose coupling -2-
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3. PREPARATIONS FOR STARTING 1. Connect the suction hose. Use a reinforced-wall or wire braided hose to prevent suction collapse. Since the pump’s self-priming time is directly proportional to hose length, a short hose is recommended. [CAUTION]- = Always use a strainer with the suc- tion hose. Gravel or debris sucked into the pump will cause serious damage to the impeller and the pump casing. 2. Connect the discharge hose. When using a fabric hose, always use a hose band to prevent
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4. Check the prlming water. It is recommended that the water chamber of pump casing should be primed with full of water before operating. +CAUTION]-, Never attempt to operate the pump without priming water or the pump will overheat. Extended dry opera- tion will destroy the mechanical seal. If the unit has been operated dry, stop the engine immediately and al- low the pump to cool before adding priming water. -4-
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4. STARTING THE ENGINE 1. Open the fuel cock. 2. Set the speed control lever to “START.” 3. Close the choke lever. If the engine is warm or the ambient temperature is high, close the choke lever half-way, or keep it open fully. If the engine is cold, or the ambient temperature is low, close the choke lever. -5-
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4. Pull the starter handle slowly until re- sistance is felt. This is the "compression" point. Return the handle to its original position and pull swiftly. H Do not pull out the rope all the way. H After starting the engine, allow the starter handle return to its original position while still holding the handle. -6-
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5. OPERATION 1. After starting the engine, gradually open choke by turning the choke lever and finally keep it open fully. Do not fully open the choke lever im- mediately when the engine is cold or the ambient temperature is low, be- cause the engine may stop. 2. After the engine starts, set the speed control lever at the low speed position (L) and warm it up without a load for a few minutes. Gradually move the speed control lever to- (H) and set it at ward the high speed position
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6. STOPPING THE ENGINE 1. Set the speed control lever to the low speed position and allow the engine to run at low speed for 2 or 3 minutes before stopping. 2. Keep depressing the STOP BUTTON until the engine stops. Do not stop the engine suddenly when it is running at high speed. 3. Close the fuel cock. 4. Pull the starter handle slowly and return the handle to its original position when resistance is felt. NOTE : The above operation is necessary to prevent outside moist air from
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DAILY INSPECTION Before running the pump, check the following service items: a Enough fuel. a Excessive vibration, noise. a Clean air cleaner element. Safe surroundings. Leakage of gasoline. a Loose or broken bolts and nuts. m Check the priming water. PERIODIC INSPECTION Periodic maintenance is vital to the safe and efficient operation of your pump. Check the table below for periodic maintenance intervals. The following chart is based on the normal pump operation schedule. lhours 50
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0. "HOW-TO" MAINTENANCE INSPECTING THE SPARK PLUG Clean off carbon deposits on the plug electrode using a plug cleaner or wire brush. w Check electrode gap. Adjust it to between 0.02 and 0.03 inches. (0.6 and 0.7mm) 0.6 to 0.7" -+- (0.02 to 0.03 in.) I CLEANING AIR CLEANER Remove the element and clean it with kero- sene. Then soak it in a mixture of 3 parts ELEMENT kerosene and 1 part engine oil, squeeze out the excess and install the elenent. CLEANING MUFFLER If solid carbon d
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CHECKING BOLTS, NUTS AND SCREWS Retighten loose bolts and nuts. Check for fuel and oil leaks. Replace damaged parts with new ones. Keep safety on your mind. CLEANING FUEL STRAINER w Loosen the banjo bolt from the carburetor and remove the strainer (plastic mesh). w Clean the strainer with kerosene and reassemble it. - 11 -
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Pump does not Engine does not start. run. (See page 13.) I Sticking of impeller (Disassemble and clean.) Pumping volume Sucking air at suction side is small. (Check piping at suction side.) Drop in engine output (Consult your nearest dealer.) Breakage of mechanical seal (Consult your nearest dealer.) High suction lift (Lower.) Suction hose is too long or thin. (Use a thick hose in minimum length.) Leak of water from water passage (Stop leaking.) Clogging of foreign substance in
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WHEN ENGINE DOES NOT START: fore you take the pump to your Before testing, carefully wipe off Makita dealer. spilled fuel. If you still have trouble after com- Put the plug as far away from the pleting the checks, take the pump spark plug hole as possible. to your nearest Makita dealer. Ground the side of the electrode to any engine ground. r 1. Remove the plug and connect it to the plug cap. Pull the starter- handle while putting the plug Is there a against the engine ground. str
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IO. PREPARATIONS FOR STORAGE Drain all water from the drain plug. [CAUTION m When retightening drain plug, be sure to clean the drain plug and the thread of casing.Otherwise, I u Drain plug thread may be damaged. Open the fuel cock to discharge the fuel from the fuel tank. Remove the carburetor float chamber bolt from the bottom and discharge fuel from the carburetor. (NO SMOKING !) m Remove the spark plug, pour about 5 cc of engine oil into the cylinder, slowly pull the starter k
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MAKITA LIMITED ONE YEAR WARRANTY Warranty Policy I Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during this one-year period, return the COMPLETE tool, freight prepaid, to one of Makita’s Factory or Authrorized Service Centers. If inspection shows the trouble is caused by defective workmanship or
