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manual abstract
Jhe use of replacement parts which are not of equivalent quality may damage the pump. 'V REGULAR SERVICE PERIOD x Perform at every indicated month or \ operating hour intervals, whichever occurs first. ITEM Daily First 1 month or 20 Hts. operating Every 3 months or 50 Hrs. operating Every 6 months or ISO Hrs. operating Every 1 year or 300 Hrs, operating Engine oil Inspection O Change O o Air cleaner element Inspection C Cleaning ' 0(1) Fuel filter cleaning o Spark plug maintenance o ignition timing adjustment o (2) Valve clearance adjustment 0(2) Combustion chamber and valve cleaning 0(2.) Impeller inspection 0(2) Friction disc inspection o(2) Casing cover inspection 0(2) Inlet valve inspection o(2) Fuel tube inspection (Replace if necessary) O NOTE (1): When used in dusty areas, service the air cleaner more frequently. (2): These items should be serviced by an authorized Honda dealer, unless the owner has the proper tools and is mechanically proficient. Refer to the Honda Shop Manual. 15 Tool Kit The tools shown are necessary to perform periodic inspection, simple adjustments and repairs. Keep the kit with the pump at all times. (1) Spark plug wrench (2) Plug wrench handle (3) 12x7 mm wrench (1) Oil filler hole (2) Oil filler cap (3) Drain plug 16 Changing Oil Drain the oil while the engine is still warm to assure rapid and complete draining. 1. Remove the drain plug and oil filler cap, drain the oil, and retighten the plug securely. 2. Refill with the recommended oil and check the level. Air Cleaner Service A dirty air cleaner will restrict air flow to the carburetor. To prevent carburetor malfunction, service the air cleaner regularly. WARNING Do not use gasoline or low flash point solvents for cleaning. They are flammable and explosive under certain conditions. 1. Loosen the wing nut, remove the air cleaner cover and remove the element. (1) Air cleaner cover (2) Wing nut 2. Wash the element in a non-flammable or high flashpoint solvent and dry it thoroughly. 3. Soak the element in clean engine oil and squeeze out the excess. (3) Element 17 Spark Plug Service To ensure proper engine operation the spark plug must be properly gapped and free of deposits. 1. Remove the spark plug with the plug wrench. (1) Spark plug wrench 2. Use a wire brush to remove carbon deposits. Do not damage the electrodes. 3. Check the plug gap with a feeler gauge. Correct as necessary. Do not bend the center electrode. CA UTION The spark plug must be securely tightened. An improperly tightened plug can damage the engine. k f 0.6 - 0.7mm (0.024- 0.027in.) Ignition Timing Adjustment Check the timing when specified by the periodic maintenance chart. Incorrect ignition timing will cause starting difficulty and loss of power. 1. Remove the fan cover. 2. Proper timing is determined by correct point opening: Using a commercially available timing tester, rotate the flywheel clockwise and check that the points start to open when the flywheel “F” mark passes the mark on the crankcase. 3. If timing is not correct, remove the starter pulley, fan, flywheel, and point cover. 4. Loosen the 5 mm screw and move the breaker plate to the right or left as required. Retighten the screw and recheck timing. (1) Flywheel (2) Point cover (3) Contact breaker points (4) 5 mm screw TRANSPORTING/STORAGE Turn the fuel valve “OFF" and keep the pump level when transporting it to prevent fuel spillage. Fuel vapor or spilled fuel may ignite. Before storing the pump for an extended period: 1. Clean the pump Interior Sediment will settle in the pump if it has been used in muddy or sandy water, water containing heavy debris, or salt water. Pump clean water through the pump before shutting down or the impeller may be damaged when restarting. (i) Water drain piug 2. Drain the Fuel a. Turn the fuel valve “OFF” and disconnect the fuel tube at the carburetor. b. Turn the fuel valve “ON” and drain the gasoline in the fuel tank into a suitable container. c. Loosen the drain bolt and drain the carburetor. 3. Set the piston to the compression stroke To protect the breaker points, valves and combustion chamber from rust, corrosion and dust, set the piston to the compression stroke. a. Pull the starter rope until there is resistance. (The piston is coming up on the compression stroke.) b. Align the “A” mark with the “B” mark. In this position both valves and points will be closed. (1) Mark “A” (2) Mark “B” (1) Carburetor (2) Drain bolt 20 SPECIFICATIONS Dimensions and Weight — MODEL WA20 Length x Width x Height 500 x 370 x 480 mm (19.7 x 14.6 x 18.9 in) Dry weight 24.5 kg (54 lb) Engine Model G150 Engine Type 4 cycle, side valve, 1 cylinder, Forced air cooled Displacement 144 cc (S.8 cu in) Bore x Stroke 64 x 45 mm (2.5 x 1.8 in) Ignition Flywheel magneto Oil capacity 0.7J2 (0.7 US qt) Fuel tank capacity 2.5J2 (0.7 US ¿...