Owners Manual
Page 4
...3/8in(9.53mm) - 6T Dimensions : L - Parts location 1. Right handle 7. Engine switch 9. Oil tank 11. Left handle 12. Saw chain 13. Guide Bar 2. Specifications ■ GZ4000 Power unit : Dis placement 2.45(40.1) cu-in (cm) Saw chain : Type - Size Sprocket nose - 16(40) in (cm3) Fuel Mixture(Gasoline 50 : 2-cycle oil... oil) Fuel tank capacity 10.4(0.31) fl.oz( ) Chain oil Motor oil SAE #10W-30 Oil tank capacity 7.10(0.21) fl.oz( ) Carburetor Diaphragm type (ZAMA C1Q) lgnition system Pointless (CDI) Spark plug Champion RZ7C Oil feeding system Automatic pump Sprocket : Pitch -
...3/8in(9.53mm) - 6T Dimensions : L - Parts location 1. Right handle 7. Engine switch 9. Oil tank 11. Left handle 12. Saw chain 13. Guide Bar 2. Specifications ■ GZ4000 Power unit : Dis placement 2.45(40.1) cu-in (cm) Saw chain : Type - Size Sprocket nose - 16(40) in (cm3) Fuel Mixture(Gasoline 50 : 2-cycle oil... oil) Fuel tank capacity 10.4(0.31) fl.oz( ) Chain oil Motor oil SAE #10W-30 Oil tank capacity 7.10(0.21) fl.oz( ) Carburetor Diaphragm type (ZAMA C1Q) lgnition system Pointless (CDI) Spark plug Champion RZ7C Oil feeding system Automatic pump Sprocket : Pitch -
Owners Manual
Page 8
... necessary, readjust with the bar tip held up the tip of the bar, adjust the chain tension by hand. F2 1. Use thick protective gloves for carburetor adjustment Open the box and install the guide bar and the saw chain around the guide bar, mount the guide bar to finger tightness. Then...
... necessary, readjust with the bar tip held up the tip of the bar, adjust the chain tension by hand. F2 1. Use thick protective gloves for carburetor adjustment Open the box and install the guide bar and the saw chain around the guide bar, mount the guide bar to finger tightness. Then...
Owners Manual
Page 11
... tank to avoid mixing up any fuel spillage around the unit. As some oils may clog the carburetor and result in product with gasoline or other containers. 6. Next, activate the engine and empty the carburetor of the full capacity. 3. Rest the cap on outside of scrapping the used mixed oil container, scrap...
... tank to avoid mixing up any fuel spillage around the unit. As some oils may clog the carburetor and result in product with gasoline or other containers. 6. Next, activate the engine and empty the carburetor of the full capacity. 3. Rest the cap on outside of scrapping the used mixed oil container, scrap...
Owners Manual
Page 13
...test cut adjust the H needle for best cutting power, not for a few minutes. 3. It is too slow, turn as it to adjust the carburetor with the bar chain attached. 1. Turn idle adjusting screw (T) counter-clockwise so that provided are restricted within the number of turn the screw clockwise. ...4. If idling speed is very dangerous. 7. After starting of the saw chain does not turn. Before adjusting the carburetor, make sure that saw chain as shown below. Operation F12 F14 WARNING Keep clear of engine. ■ CHECKING OIL SUPPLY WARNING Make sure...
...test cut adjust the H needle for best cutting power, not for a few minutes. 3. It is too slow, turn as it to adjust the carburetor with the bar chain attached. 1. Turn idle adjusting screw (T) counter-clockwise so that provided are restricted within the number of turn the screw clockwise. ...4. If idling speed is very dangerous. 7. After starting of the saw chain does not turn. Before adjusting the carburetor, make sure that saw chain as shown below. Operation F12 F14 WARNING Keep clear of engine. ■ CHECKING OIL SUPPLY WARNING Make sure...
Owners Manual
Page 15
...have risen and returned to normal may result in the engine failing to start properly or in turn may result in ice forming within the carburetor, and this reason you should be set at times of high humidity may cause the output power of the engine to be sure to ...return the unit to the "O" (STOP) position. (F17) (1) Switch Carburetor anti-freeze mechanism Operating the chain saws in temperatures of 0-5°C at the time of shipment. Operation F17 F18 ■ STOPPING ENGINE 1. Under normal circumstances...
...have risen and returned to normal may result in the engine failing to start properly or in turn may result in ice forming within the carburetor, and this reason you should be set at times of high humidity may cause the output power of the engine to be sure to ...return the unit to the "O" (STOP) position. (F17) (1) Switch Carburetor anti-freeze mechanism Operating the chain saws in temperatures of 0-5°C at the time of shipment. Operation F17 F18 ■ STOPPING ENGINE 1. Under normal circumstances...
Owners Manual
Page 25
.... Check fuel for water or substandard mixture. ➜ Replace with proper fuel. ➜ Check air filter and fuel filter for clogging. ➜ Clean. ➜ Check carburetor for inadequate adjustment. ➜ Readjust speed needles. ➜ Check muffler and cylinder (exhaust port). ➜ Wipe away carbon buildup. Lack of power/Poor acceleration/Rough...
.... Check fuel for water or substandard mixture. ➜ Replace with proper fuel. ➜ Check air filter and fuel filter for clogging. ➜ Clean. ➜ Check carburetor for inadequate adjustment. ➜ Readjust speed needles. ➜ Check muffler and cylinder (exhaust port). ➜ Wipe away carbon buildup. Lack of power/Poor acceleration/Rough...
Owners Manual
Page 31
GZ4000 Fig.2 POWER UNIT (S/N 300101 and up) Key# PART NUMBER DESCRIPTION 1 2670-14320 SCREW 2 848-825-1911 SCREW 3 848-C30-33E3 ARM 4 T2128-34110 COVER 5 848-...; SPRING • PLATE • SPRING • WASHER • NUT • LEVER COMP. • ROLLER • ARM • BAND • ROLLER • SPRING • COVER NUT CARBURETOR ASSY CAP LABEL LABEL CORD Q'TY NOTE /UNIT 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 31 ...
GZ4000 Fig.2 POWER UNIT (S/N 300101 and up) Key# PART NUMBER DESCRIPTION 1 2670-14320 SCREW 2 848-825-1911 SCREW 3 848-C30-33E3 ARM 4 T2128-34110 COVER 5 848-...; SPRING • PLATE • SPRING • WASHER • NUT • LEVER COMP. • ROLLER • ARM • BAND • ROLLER • SPRING • COVER NUT CARBURETOR ASSY CAP LABEL LABEL CORD Q'TY NOTE /UNIT 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 31 ...
Owners Manual
Page 32
Parts list Fig.3 CARBURETOR COMPONENTS (S/N 300101 and up) GZ4000 Key# PART NUMBER DESCRIPTION 1 848-C50-8101 2 848-C50-81A0 3 848-C50-81J0 4 848-C50-80M0 5 848-C50-80N0 6 848-C50-80P0 7 848-C50-81T0 8 ...-81X0 27 848-C50-81P0 28 848-C50-80E0 29 848-C50-80C0 30 848-C50-80A0 31 848-C50-80D0 32 848-C50-81R0 CARBURETOR ASSY • STRAINER • PLUG • SPRING • PLUNGER • O-RING • SHAFT, throttle • LEVER, throttle • SCREW • COLLAR • VALVE, throttle •...
Parts list Fig.3 CARBURETOR COMPONENTS (S/N 300101 and up) GZ4000 Key# PART NUMBER DESCRIPTION 1 848-C50-8101 2 848-C50-81A0 3 848-C50-81J0 4 848-C50-80M0 5 848-C50-80N0 6 848-C50-80P0 7 848-C50-81T0 8 ...-81X0 27 848-C50-81P0 28 848-C50-80E0 29 848-C50-80C0 30 848-C50-80A0 31 848-C50-80D0 32 848-C50-81R0 CARBURETOR ASSY • STRAINER • PLUG • SPRING • PLUNGER • O-RING • SHAFT, throttle • LEVER, throttle • SCREW • COLLAR • VALVE, throttle •...
Owners Manual
Page 34
.... ARE PLEASED TO EXPLAIN THE EMISSION CONTROL SYSTEM WARRANTY ON YOUR 1995 AND LATER LAWN AND GARDEN EQUIPMENT ENGINE. MAY INCLUDE PARTS SUCH AS THE CARBURETOR, THE IGNITION SYSTEM, AND CATALYTIC CONVERTER. IF ANY EMISSION-RELATED PART ON YOUR ENGINE IS DEFECTIVE, THE PART WILL BE REPAIRED OR REPLACED BY KOMATSU...
.... ARE PLEASED TO EXPLAIN THE EMISSION CONTROL SYSTEM WARRANTY ON YOUR 1995 AND LATER LAWN AND GARDEN EQUIPMENT ENGINE. MAY INCLUDE PARTS SUCH AS THE CARBURETOR, THE IGNITION SYSTEM, AND CATALYTIC CONVERTER. IF ANY EMISSION-RELATED PART ON YOUR ENGINE IS DEFECTIVE, THE PART WILL BE REPAIRED OR REPLACED BY KOMATSU...
Owners Manual
Page 35
...BEYOND THE CONPANY'S CONTROL. IMPORTANT: YOU WILL RECEIVE A WARRANTY REGISTRATION CARD AT TIME OF PURCHASE.PLEASE FILL OUT THE CARD AND SEND IT TO RedMax / KOMATSU ZENOA AMERICA WITHIN SEVEN (7) DAYS.BE SURE TO KEEP A COPY FOR YOUR RECORDS. IF YOU NEED TO OBTAIN INFORMATION ABOUT THE NEAREST... HOME USE, ONE (1) YEAR FOR COMMERCIAL USE AND NINETY (90) DAYS FOR RENTAL USE, FROM THE ORIGINAL DELIVERY DATE. EMISSION-RELATED PARTS ARE: THE CARBURETOR ASSY, COIL ASSY, ROTOR, SPARKPLUG, AIR FILTER, FUEL FILTER, INTAKE MANIFOLD, AND THE GASKETS ALL OTHER PARTS EXCEPT ABOVE PARTS, FOR TWO (2) YEARS...
...BEYOND THE CONPANY'S CONTROL. IMPORTANT: YOU WILL RECEIVE A WARRANTY REGISTRATION CARD AT TIME OF PURCHASE.PLEASE FILL OUT THE CARD AND SEND IT TO RedMax / KOMATSU ZENOA AMERICA WITHIN SEVEN (7) DAYS.BE SURE TO KEEP A COPY FOR YOUR RECORDS. IF YOU NEED TO OBTAIN INFORMATION ABOUT THE NEAREST... HOME USE, ONE (1) YEAR FOR COMMERCIAL USE AND NINETY (90) DAYS FOR RENTAL USE, FROM THE ORIGINAL DELIVERY DATE. EMISSION-RELATED PARTS ARE: THE CARBURETOR ASSY, COIL ASSY, ROTOR, SPARKPLUG, AIR FILTER, FUEL FILTER, INTAKE MANIFOLD, AND THE GASKETS ALL OTHER PARTS EXCEPT ABOVE PARTS, FOR TWO (2) YEARS...
Parts List
Page 6
GZ4000 Fig.2 POWER UNIT (S/N 300101 and up) Key# PART NUMBER DESCRIPTION 1 2670-14320 SCREW 2 848-825-1911 SCREW 3 848-C30-33E3 ARM 4 T2128-34110 COVER 5 848-...; SPRING • PLATE • SPRING • WASHER • NUT • LEVER COMP. • ROLLER • ARM • BAND • ROLLER • SPRING • COVER NUT CARBURETOR ASSY CAP LABEL LABEL CORD Q'TY NOTE /UNIT 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 31 ...
GZ4000 Fig.2 POWER UNIT (S/N 300101 and up) Key# PART NUMBER DESCRIPTION 1 2670-14320 SCREW 2 848-825-1911 SCREW 3 848-C30-33E3 ARM 4 T2128-34110 COVER 5 848-...; SPRING • PLATE • SPRING • WASHER • NUT • LEVER COMP. • ROLLER • ARM • BAND • ROLLER • SPRING • COVER NUT CARBURETOR ASSY CAP LABEL LABEL CORD Q'TY NOTE /UNIT 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 31 ...
Parts List
Page 7
Parts list Fig.3 CARBURETOR COMPONENTS (S/N 300101 and up) GZ4000 Key# PART NUMBER DESCRIPTION 1 848-C50-8101 2 848-C50-81A0 3 848-C50-81J0 4 848-C50-80M0 5 848-C50-80N0 6 848-C50-80P0 7 848-C50-81T0 8 ...-81X0 27 848-C50-81P0 28 848-C50-80E0 29 848-C50-80C0 30 848-C50-80A0 31 848-C50-80D0 32 848-C50-81R0 CARBURETOR ASSY • STRAINER • PLUG • SPRING • PLUNGER • O-RING • SHAFT, throttle • LEVER, throttle • SCREW • COLLAR • VALVE, throttle •...
Parts list Fig.3 CARBURETOR COMPONENTS (S/N 300101 and up) GZ4000 Key# PART NUMBER DESCRIPTION 1 848-C50-8101 2 848-C50-81A0 3 848-C50-81J0 4 848-C50-80M0 5 848-C50-80N0 6 848-C50-80P0 7 848-C50-81T0 8 ...-81X0 27 848-C50-81P0 28 848-C50-80E0 29 848-C50-80C0 30 848-C50-80A0 31 848-C50-80D0 32 848-C50-81R0 CARBURETOR ASSY • STRAINER • PLUG • SPRING • PLUNGER • O-RING • SHAFT, throttle • LEVER, throttle • SCREW • COLLAR • VALVE, throttle •...