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Производитель: Harbor Freight Tools
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Название файла: 92720.pdf
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2. Use the Compression Tester only in well ventilated areas. A running gasoline engine produces carbon monoxide. Carbon monoxide WARNING! fumes are a colorless, odorless, gas that, if inhaled, can cause serious injury or death. 3. Maintain labels and nameplates on the Compression Tester. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a replacement. 4. Prior to using the Compression Tester, make sure to read and understand all warnings, safety precautions, and instructions as outlined in the manufacturer’s instruction manual for the engine you will test. 5. When warming up an engine in preparation for compression testing, make sure the vehicle’s transmission is placed in “PARK”, (or neutral for a manual transmission) and the emergency brake is applied. 6. Always keep hands and fingers away from the moving parts and hot parts of the vehicle’s engine. The brass components of this product contain lead, a chemi cal known to the State of California to cause cancer and birth defects (or other reproductive harm). (California Health & Safety Code 25249.5 et seq.) WARNING! People with pacemakers should consult their physician(s) before using this product. Electromagnetic fields in close proximity to a heart pacemaker could cause interference or failure of the pacemaker. In addition, people with pacemakers should adhere to the following: Caution is necessary when near the coil, spark plug cables, or distributor of a running engine. The engine should always be off if adjustments are to be made to the distributor. SKU 92720 For technical questions please call 1-800-444-3353 PAGE 4 7. WARNING! 8. 9. 9. OPERATING INSTRUCTIONS 1. NOTE: Performing a compression test requires the work of twoindividuals; one person to operate the vehicle’s ignition switch while the other person operates the Compression Tester. 2. The Compression Tester features an Adapter Fitting (2) with its Rubber Cone that may be used on all typesof spark plug holes and a Hose Fitting (4) that may be used for 14mmand 18mm spark plug holes. (See Figure A.) 3. To perform a typical compression test, prepare the engine for compression testing by starting the engine and allowing it to warm up to its normal operating temperature. Then, switch off the ignition. WARNING! Avoid carbon monoxide poisoning! Never run a gasoline engine in an enclosed garage or other contained area. 4. Once the engine has been turned off, disconnect both coil wires from the coil of the engine, and remove all of the spark plugs. Note: Insulate coil wires or route them away from each other and all metal surfaces. Make note of which spark plug wires go to each spark plug locations. (See Figures B and C, next page.) GAUGE (1) HOSE (3) HOSE FITTING (4) FIGURE A AIR RELEASE BUTTON ADAPTER FITTING (2) RUBBER CONE SKU 92720 For technical questions please call 1-800-444-3353 PAGE 5 5. Attach either the Adapter Fitting (2) or Hose (3) and Hose Fitting (4) to the Gauge (1). (See Figure A.) 6. Connect the Compression Tester to the first cylinder of the engine. With the fuel pedal depressed all the way down, crank the engine for at least eight revolutions. (See Figure C.) 7. While cranking the engine, observe and record the maximum reading on the Gauge (1) of the Compression Tester. (See Figure C.) 8. Once the maximum reading has been recorded, discontinue cranking the engine. Then, release the air pressure in the Gauge (1) by pressing the Air Release Button. (See Figure C.) 9. Remove the Compression Tester from the first engine cylinder. Then repeat Steps #6, #7, #8 for the remaining engine cylinders. (See Figures B and C.) 10. NOTE: Good engine cylinder compression will be indicated with a high initial reading, and a progressive build-up to the final maximum reading. Poor engine cylinder compression will be indicated with a low initial reading, and a much slower build-up to the final maximum reading. The compression readings for all of the engine cylinders should not vary by more than 10%. Note: Check your owner’s or maintenance manual for acceptable pressure ranges. COIL COIL WIRES FIGURE B REMOVE AIR RELEASE BUTTON SPARK PLUGS FIGURE C SKU 92720 For technical questions please call 1-800-444-3353 PAGE 6 GAUGE (1) INSPECTION, MAINTENANCE, AND CLEANING 1. Before each use, inspect the general condition of the Compression Tester. Check for broken, cracked, or bent parts, loose or missing parts, and any condition that may affect the proper operation of the product. If a problem occurs, have the problem corrected before further use. Do not use damaged equipment. 2. When cleaning, use a clean cloth with a mild detergent. Do not use solvents, as damage to the Compression Tester may result. Do not immerse the Gauge (1) in any liquid. Then, store the Compression Tester in a safe, dry location out of reach of children and other unauthorized people. 3. CAUTION! All maintenance, service, or repairs not listed in this manual are only to be attempted by a qualified...