valutazioni - 1, GPA: 4
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. • 4.8.2 CHECK BATTERY • See “Checking Fluid Levels”. • Check battery cables for condition, tightness, corrosion or damage. Clean, tighten or replace as necessary. • 4.8.3 EXERCISE SYSTEM Start the generator engine at least once every seven days and let it run at least 12 minutes. See “Weekly Exercise Cycle”. • 4.8.4 INSPECT COOLING SYSTEM • Inspect engine cooling system. See “Maintenance Schedule”. • Check hoses for damage, deterioration, leaks, etc. Correct any discrepancies found. • Check hose clamps for tightness. • 4.8.5 CHECK ENGINE COOLANT LEVEL See “Checking Fluid Levels”. • 4.8.6 PERFORM VISUAL INSPECTION Complete a thorough visual inspection of the entire engine-generator monthly. Look for obvious damage, loose, missing or corroded nuts, bolts and other fasteners. Look for fuel, oil or coolant leaks. • 4.8.7 INSPECT EXHAUST SYSTEM Inspect the exhaust system at least once every three months. Check all exhaust system pipes, mufflers, clamps, etc. for condition, tightness, leaks, security, damage. • 4.8.8 CHECK FAN BELT • Inspect fan belts every three months. Replace any damaged, deteriorated, worn or otherwise defective belt. • Check fan belt tension. Thumb pressure, exerted midway between pulleys, should deflect about 3/8 to 5/8 of an inch. Adjust belt tension as required. • 4.8.9 INSPECT ENGINE GOVERNOR Visually inspect electronic governor. DANGER ! Do not attempt to adjust the governor. Only qualified service facilities should adjust the governor. Excessively high operating speeds are dangerous and increase the risk of personal injury. Low speeds impose a heavy load on the engine when adequate engine power is not available and may shorten engine life. Correct rated frequency and voltage are supplied only at the proper governed speed. Some connected electrical load devices may be damaged by incorrect frequency and/or voltage. Only qualified service technicians should adjust the governed speed. • 4.8.10 CHANGING ENGINE OIL Refer to maintenance performed by authorized service facilities for engine oil and filter change frequencies. Drain the oil while the engine is still warm from running. This means warm up the engine, shut it down and drain immediately as follows: 1. Remove OIL DRAIN HOSE from its retaining clip. 2. Loosen and remove OIL DRAIN HOSE CAP. Drain oil completely into suitable container. 3. When all oil has drained, install and tighten OIL DRAIN HOSE CAP, and re-install into its retaining clip. 4. Turn OIL FILTER (Figure 4.1) counterclockwise and remove. Properly dispose of old filter. Section 4 — Maintenance Liquid-cooled 15, 20 and 25 kW Generators 5. Apply light coating of new engine oil to seal of new oil filter. Install FILTER and tighten by hand only. DO NOT OVER TIGHTEN. 6. Remove OIL FILL CAP. Add recommended oil (see SPECIFICATIONS). DO NOT FILL ABOVE THE DIPSTICK “FULL” MARK. Crankcase oil capacity is 4.0 U.S. quarts (3.8 liters). ! After refilling the crankcase with oil, always check oil level on dipstick. NEVER OPERATE ENGINE WITH OIL BELOW THE DIPSTICK “ADD” MARK. 7. Start engine and check for oil leaks. • 4.8.11 CHANGING THE ENGINE AIR CLEANER To replace the engine air cleaner, (part number 059402), simply remove the air cleaner cover and replace the air filter making sure it is positioned properly before reattaching the cover (Figure 4.1). See the “Service Schedule,” for air cleaner maintenance. • 4.8.12 SPARK PLUGS Reset the spark plug gap or replace the spark plugs as necessary (Figure 4.4). See Section 6. 1. Clean the area around the base of the spark plugs to keep dirt and debris out of the engine. Clean by scraping or washing using a wire brush and commercial solvent. Do not blast the spark plugs to clean. 2. Remove the spark plugs and check the condition. Replace the spark plugs if worn or if reuse is questionable. See the “Service Schedule,” Section 6, for recommended inspection. 3. Check the spark plug gap using a wire feeler gauge. Adjust the gap to 1.07-1.17 mm (0.0420.046 inch) by carefully bending the ground electrode (Figure 4.2). Figure 4.4 – Setting the Spark Plug Gap SET PLUG GAP AT 1.07 - 1.17 mm (0.042 - 0.046 inch) • 4.8.13 COOLANT CHANGE Every year, have an Authorized Service Facility drain, flush and refill the cooling system. See “Specifications” for cooling system recommendations. 4.9 MISCELLANEOUS MAINTENANCE • 4.9.1 CLEANING THE GENERATOR Keep the generator as clean and as dry as possible. Dirt and moisture that accumulates on internal generator windings have an adverse effect on insulation resistance. Periodically clean generator exterior surfaces. A soft brush may be used to loosen caked on dirt. Use a vacuum system or dry, low pressure air to remove any accumulations of dirt. The generator is housed inside an all-weather enclosure, clean the enclosure with a soft, damp cloth or sponge and water. Once each year have the generator cleaned and inspected by an Authorized Service Dealer. That dealer will use dry, low pressure air to clean internal ...
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