Assessments - 2, GPA: 4
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OHFHter 3.4 CHANGING THE OIL FILTER Change the engine oil filter as follows: 1. With the oil drained, remove the old oil filter by turning it counterclockwise. 2. Apply a light coating of clean engine oil to the gasket of the new filter. See Section 1.5.2 for recommended filter. 3. Screw the new filter on by hand until its gasket lightly contacts the oil filter adapter. Then, tighten the filter an additional 3/4 to one turn (Figure 3.4). 4. Refill with the proper recommended oil (see Section 3.3.1 ). See Section 1.5.2 for oil capacities. 5. Start the engine and check for leaks. 3,5 CHANGING THE ENGINE AIR CLEANER 3.5.1 7 KW, 12 KWAND 15 KW GENERATORS See Figures 1.1 and 1.2, for the location of the air cleaner. Use the following procedure (Figures 3.5 & 3.6): 1. Turn the two screws counterclockwise to loosen. 2. Remove the cover and air filter. 3. Wipe away dust or debris from inside of the air box and around edges. 4. Install the new air cleaner into the air box. 5. Install the cover. Turn the two cover screws clockwise to tighten. See the "Service Schedule," Section 4.1, for air cleaner maintenance. See Section 1.5.1 for air filter replacement part number. Figure 3.5 --7 kW, Engine Air Cleaner Location Fuel ReguJator/ Scre_ Figure 3.6 --12 kW and 15 kW Engine Air Cleaner Screw Cover FHter 3.6 SPARK PLUG(S) Reset the spark plug(s) gap or replace the spark plug(s) as necessary. See Section 4.1 for maintenance requirements. 1. Clean the area around the base of the spark plug(s) 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 plug(s) to clean. 2. Remove the spark plug(s) and check the condition. Replace the spark plug(s) if worn or if reuse is questionable. See Section 4.1 for recommended inspection. 3. Check the spark plug gap using a wire feeler gauge. Adjust the gap to 0.76 mm (0.030 inch) for 7 kW and 0.50 mm (0.020 inch) for 12 kW and 15 kW by carefully bending the ground electrode (Figure 3.7). 14 Carrier Section 3 --Maintenance MAINTENENANCE Carrier Air-cooled 7 kW, 12 kW and 15 kW Generators Figure 3.7 -Setting the Spark Plug Gap SET PLUG GAP AT 0.76 mm (.030 inch) -7 kW 0.508 mm (.020 inch) -12 kW & 15 kW 3.7 BATTERY MAINTENANCE The battery should be inspected per the "Service Schedule," Section 4.1. The following procedure should be followed for inspection: 1. Inspect the battery posts and cables for tightness and corrosion. Tighten and clean as necessary. 2. Check the battery fluid level of unsealed batteries and, if necessary, fill with Distilled Water Only. Do not use tap water in batteries. 3. Have the state of charge and condition checked. This should be done with an automotive-type battery hydrometer. -A ,A _Do not dispose of the battery in a fire. The battery is capable of exploding. /_ A battery presents a risk of electrical shock and high short circuit current. The following precautions are to be observed when working on batteries: • Remove the 7.5A and 15A fuses from the generator control panel. • Remove watches, rings or other metal objects; • Use tools with insulated handles; • Wear rubber gloves and boots; • Do not lay tools or metal parts on top of the battery; and • Disconnect charging source prior to connecting or disconnecting battery terminals. WARNUNG _° _Do not open or mutilate the battery. Released electrolyte has been known to be harmful to the skin and eyes, and to be toxic. _l The electrolyte is a dilute sulfuric acid that is harmful to the skin and eyes. It is electrically conductive and corrosive. The following procedures are to be observed: • Wear full eye protection and protective clothing; • Where electrolyte contacts the skin, wash it off immediately with water; • Where electrolyte contacts the eyes, flush thoroughly and immediately with water and seek medical attention; and • Spilled electrolyte is to be washed down with an acid neutralizing agent. A common practice is to use a solution of 1 pound (500 grams) bicarbonate of soda to 1 gallon (4 liters) of water. The bicarbonate of soda solution is to be added until the evidence of reaction (foaming) has ceased. The resulting liquid is to be flushed with water and the area dried. _ Lead-acid batteries present a risk of fire because they generate hydrogen gas. The following procedures are to be followed: • DO NOT SMOKE when near the battery; • DO NOT cause flame or spark in battery area; and • Discharge static electricity from body before touching the battery by first touching a grounded metal surface. _Be sure the AUTO/OFF/MANUAL switch is set to the OFF position before connecting the battery cables. If the switch is set to AUTO or MANUAL, the generator can crank and start as soon as the battery cables are connected. _Be sure the utility power supply is turned off and the 7.5A and 15A fuses are removed from the generator control panel, or sparking may occur at the battery posts as the cables are attached and cause an explosion. 3.8 ...
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