RedMax LRTZ2500 manual Troubleshooting guide, Check Probable Causes Action,  24 

Page 24

11. Troubleshooting guide

Case 1. Starting failure

CHECK

PROBABLE CAUSES

ACTION

fuel tank

incorrect fuel

fuel filter

fuel filter is clogged

carburetor adjustment screw

out of normal range

sparking (no spark)

spark plug is fouled/wet

 

plug gap is incorrect

spark plug

disconnected

drain it and with correct fuel

clean

adjust to normal range

clean/dry

correct (GAP: 0.6~0.7mm)

retighten

Case 2. Engine starts but does not keep running/Hard re-starting.

CHECK

PROBABLE CAUSES

ACTION

fuel tank

incorrect fuel or staled fuel

carburetor adjustment screw

out of normal range

muffler,cylinder (exhaust port)

carbon is built-up

air cleaner

clogged with dust

cylinder fin, fan cover

clogged with dust

drain it and with correct fuel

adjust to normal range

wipe away

wash

clean

When your unit seems to need further service, please consult with our RedMax service shop in your area.

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Contents LRTZ2500 Information Safety First ContentsSpecifications Parts location 4  Symbols on the machine  5 For safe operation Working ConditionWorking Circumstance  6 Working Plan  7 Before Starting the Engine Starting the Engine 8  Using the Product  9 Maintenance If Someone Comes 10  Handling Fuel Transportation 11  Set up  12 SE4 Attaching the Trimming Mechanism SE4 Balance Unit 13  HOW to MIX Fuel Fuel 14  Recommended Mixing Ratio Gasoline 50OILFueling the Unit For Your Engine LIFE, Avoid 15  Operation OP1OP3 OP4 Starting Engine  16 Adjusting Throttle Cable Adjusting Idling Speed OP6OP5 OP6 Stopping Engine OP3Adjusting the Angle of the Cutting Blades OP7 OP7 18  Maintenance Maintenance ChartBlades MA1 19 MA2 MA3 MA4 Quick TIP Gear CaseAIR Filter Fuel Filter 21  Procedures to be Performed After Every 100 Hours of USE MA8 22  Intake AIR Cooling VentStorage  23 Troubleshooting guide Check Probable Causes Action 24  Parts list  25 Drive Unit LRTZ2500 S/N 000000 and up  26  27  Engine Unit LRTZ2500 S/N 000479 and up  28  29  Manufacturer’s warranty coverage Model LRTZ2500 Year Limited Warranty RemedyKomatsu Zenoah America INC