National Flooring Equipment 14420 Instruction Manual
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Contents
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Machine Operation13CLUTCH LEVERThe clutch lever (Figure 8), when pulled, will engage the electric clutch. On models thathave an electric clutch, the pad will not turn until the switch is engaged. Only one leverrequires engagement at one time, allowing the user to alternate hands during operation.TACHOMETER / HOUR METERThe hour meter/tachometer (Figure 9) records the number of hours the machine hasbeen powered ON. The hour meter reading is used to mark recommended maintenanceintervals. It also displays the engine speed. This meter displays hours when the ma-chine is turned OFF and engine speed when the machine is turned ON.PRE-OPERATION CHECKLIST• Check the engine oil level. Add oil if needed.• Inspect the engine dust filter and clean off any debris or dust buildup.• Inspect the burnishing pad; replace if necessary.• Inspect the pad holder for cracks or damage; replace if necessary.• Inspect air filter; clean or replace if necessary. A dirty air filter could lead to el-evated levels of carbon monoxide.• Inspect the drive belt. Replace if necessary.• Check the machine for leaks or loose fasteners.STARTING THE MACHINE1. Check oil and fuel levels.2. Check and clean engine dust filter.3. Check carburetor air filter; change if necessary.4. Turn propane service valve counterclockwise to open. Open slowly to allow pres-sure to equalize in hoses. Opening quickly may cause the flow check valve toengage, limiting fuel flow.5. Tilt machine backward slightly (pad off floor) and move throttle to idle or slow posi-tion.6. With the engine throttle in the idle position, engage the starter by turning the keyswitch to the starting position for approx. 5 seconds. If the engine does not start,release the key switch for 10 seconds, then try again for another 5 seconds.7. After the engine has started, move the throttle forward approx. halfway and allowthe engine to warm up for 30 seconds.WARNING: A DAMAGED PAD HOLDER ROTATING AT HIGH SPEEDS MAY BEAN EXTREME HAZARD SHOULD IT DISINTEGRATE.CAUTION: NEVER RUN CONTINUOUSLY FOR MORE THAN 1 HOUR WITHOUTCLEANING OR CHANGING THE ENGINE DUST FILTER.WARNING: CATALYTIC MUFFLERS REQUIRE A WARM-UP PERIOD BEFOREEFFECTIVELY REMOVING HARMFUL EMISSIONS. MAKE SURE OF PROPERVENTILATION DURING THE WARM-UP PERIOD.FIG. 8FIG. 9 |
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