SGCZ2450S 848-JN7-93A0 (909) U S OWNER'S/OPERATOR'S MANUAL RECIPROCATORS SGCZ2450S WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. WARNING Before using our products, please read this manual carefully to understand the proper use of your unit.
SGCZ2450S SAFETY FIRST WARNING Instructions contained in warnings within this manual marked with a symbol concern critical points which must be taken into consideration to prevent possible serious bodily injury, and for this reason you are requested to read all such instructions carefully and follow them without fail. 1. Read this machine Owner/Operator Manual carefully. Be sure you understand how to operate this unit properly before you use it. Failure to do so could result in serious injury. 2.
SGCZ2450S 1. Parts location U S 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. Loop handle Sholder strap hanger Stop switch Throttle cable Throttle lever Drive shaft housing Debris guard Blade Cutter case Spark arrester Starter knob Fuel tank Primer pump Choke lever Air cleaner cover 2. Specifications ■ SGCZ2450S Overall size ( L x W x H )····································································76.2 (1935) x 9.1 (230) x 10.0 (255) in.
SGCZ2450S 3. Warning labels on the machine (1) (2) (3) (4) (5) (6) 15m (50ft) (1) Read owner/operator manual before operating this machine. (2) Wear head, eye and ear protection. (3) Warning! Danger of kickback. (4) Beware of thrown objects.
SGCZ2450S 5. For safe operation WARNING • A brushcutter or trimmer can be dangerous if used incorrectly or carelessly, and can cause serious or fatal injury to the operater or others. It is extremely important that you read and understand the contents of this Owner's manual. • Under no circumstances may the design of the machine be modified without the permission of the manufacturer. Always use genuine accessories and parts.
SGCZ2450S 5. For safe operation contain dangerous carbon monoxide. 10. Never to touch the spark plug or plug cord while the engine is in operation Doing so may result in being subjected to an electrical shock. 11.Never to touch the muffler, spark plug, other metallic parts of the engine or engine cover while the engine is in operation or immediately after shutting down the engine. These metallic parts and engine cover reach high temperatures during operation and doing so could result in serious burns. 12.
SGCZ2450S 5. For safe operation ■ Transport 1. Drain the fuel from the fuel tank before transporting or storing the product. 2. When hand-carrying the product, cover over the cutting part, lift up the product and carry it paying attention to the blade. 3. Secure the unit carefully to prevent movement when it is transported. 4. A unit that receives a strong shock during transport and unloading may malfunction. ■ Fuel safety 1. Always use caution when handling fuel. It is highly flammable.
SGCZ2450S 5. For safe operation lubricant, always be sure to use only RedMax products or products which have been certified by RedMax for use with the RedMax product. 5. In the event that any part must be replaced or any maintenance or repair work not described in this manual must be performed, please contact a representative from the store nearest RedMax authorized servicing dealer for assistance. 6.
SGCZ2450S 6. Set up SE1 ■ MOUNTING ENGINE (SE1) 1. Install the engine to the driveshaft so that the cylinder head and the stop switch may come on the same side. 2. Using attached four bolts, secure the connection firmly with equal force (Torque: 25in-lbs)(Torque: 2.8 N.m.). ■ CUTTERCASE (SE4) (1) Bolt (2) Stop switch 1. Remove the fastening screw(long) and the lock screw(short) from the cuttercase. 2. While aligning the locking holes, install the cuttercase assembly to the shaft casing. 3.
SGCZ2450S 7. Fuel lines or fuel tank of the engine. FUEL WARNING • Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. Make sure to stop the engine and allow it cool before refueling the unit. Select outdoor bare ground for fueling and move at least 10 ft (3 m) away from the fueling point before starting the engine.
SGCZ2450S 7. Fuel test standard has been discontinued by API in 1995 and it no longer exists. IMPORTANT • Gasoline/Oil mixture Storage Recommendations Store your gasoline or gasoline/oil mixture in a cool dry area in a tightly sealed approved container to limit the entry of moisture and additional air (oxygen). Moisture and air cause the development of varnish and gum, making the fuel stale. Stored gasoline and gasoline/oil mixture ages and loses its octane rating and volatility.
SGCZ2450S 8. Operation ■ STARTING ENGINE NOTE WARNING 1. When restarting the engine immediately after stopping it, leave the choke open. 2. Overchoking can make the engine hard to start due to excess fuel. When the engine failed to start after several attempts, open the choke and repeat pulling the rope, or remove the spark plug and dry it. The cutting head will start rotating upon the engine starts. 1. Rest the unit on a flat, firm place.
SGCZ2450S 8. Operation ■ HOW TO USE • Adjust the front handle to the most comfortable position. • Start the engine and pull the throttle lever gradually. The blades will start moving as the engine speed goes up. • To stop the blade motion, simply release the throttle lever. The clutch will disengage and the blades stop moving while the engine keeps idling. • Move the cutting head as sliding its bottom on the ground. This will help you do the job with less effort.
SGCZ2450S 9. Maintenance Maintenance, replacement, or repair of the emission control device and systems may be performed by any non-road engine repair establishment or individual. ENGINE ■ MAINTENANCE CHART system/compornent procedure fuel leaks, fuel spillage fuel tank, air filter, fuel filter wipe out inspect/clean see ■ADJUSTING IDLING SPEED (p.
SGCZ2450S 9. Maintenance ■ AIR FILTER • The air filter, if clogged, will reduce the engine performance. Check and clean the filter element. If the element is broken or clogged, replace with a new one. (MA4) MA4 (1) ■ MUFFLER WARNING • Inspect periodically, the muffler for loose fasteners, any damage or corrosion. If any sign of exhaust leakage is found, stop using the machine and have it repaired immediately. • Note that failing to do so may result in the engine catching on fire.
SGCZ2450S 9. Maintenance to do so could cause the muffler to become overheated, and that this in turn could cause the engine to catch on fire. Always make sure that the muffler is clean and free of wood chips, leaves, and other waste before use. • Check the intake air cooling vent and the area around the cylinder cooling fins after every 25 hours of use for blockage, and remove any waste which has attached itself to the machine.
SGCZ2450S 13. Troubleshooting guide Case 1. Starting failure CHECK fuel tank ➞ PROBABLE CAUSES incorrect fuel ➞ ACTION drain it and with correct fuel fuel filter ➞ fuel filter is clogged ➞ clean carburetor adjustment screw ➞ out of normal range ➞ adjust to normal range sparking (no spark) spark plug ➞ spark plug is fouled/wet ➞ clean/dry ➞ plug gap is incorrect ➞ correct (GAP: 0.6 – 0.7 mm) ➞ disconnected ➞ retighten ➞ ACTION drain it and with correct fuel Case 2.
SGCZ2450S FEDERAL AND CALIFORNIA EMISSIONS CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The EPA (U.S. Environmental Protection Agency), CARB (California Air Resources Board), Environment Canada and RedMax are pleased to explain the emissions control system's warranty on your 2009 and later small off-road engine. In U.S.
SGCZ2450S warranty is warranted for the remaining warranty period. Any warranted part that is scheduled only for regular inspection in the maintenance schedule will be warranted for a period of two years. A statement in such written instructions to the effect of "repair or replace as necessary" will not reduce the period of warranty coverage. Any such part repaired or replaced under warranty will be warranted for the remaining warranty period.
