RedMax EXZ2500S-BC manual Troubleshooting guide, Check Probable Causes Action,  46 

Page 46

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 OWNER/OPERATOR Manual T3087-93110Page Safety First ContentsParts location  4 EX-LRT SpecificationsEX-BC EX-PS 6  Type de moteur 1KZXS.0254QR EM Cylindrée du moteur 25,4cc Symbols on the machine 7  Working Circumstance For safe operationWorking Condition  8 Working Plan  9 Starting the Engine Before Starting the Engine 10  Using the Product  11 Handling Fuel MaintenanceIf Someone Comes  12 Transportation  13 Set up Debris guard Plate Screw EX-BC SE1 SE2 Installing Debris GuardInstalling Cutting Head SE2 EX-BC SE3 Balance UnitMain pipe Trimming mechanism Screw hole Fastening bolt EX-LRT SE1 Attaching the Trimming Mechanism SE1 16  EX-PS SE3 EX-PS SE1 Attaching the Pruning Mechanism SE1EX-PS SE2  17 Hole Moving direction Chain tensioner nut Chain tension adjusting screw Loosen TightenEX-PS SE4 EX-PS SE5 EX-PS SE6  18 Bracket EX-HE SE1 EX-HE SE2 EX-HE SE3 EX-HE SE4Clamp bolt Lock screw  19 Recommended Mixing Ratio Gasoline 50OIL HOW to MIX FuelFuel  20 For Your Engine LIFE, Avoid Fueling the Unit 21  Operation  22 Stopping Engine OP6 OP6 OP7 OP8 23  OP9 Adjusting Throttle CableAdjusting Idling Speed OP10  24 Trimming Grass and Weeds Adjusting the Line LengthEX-BC OP1 Cutting Work Line Head Usage  25  26  Cutting Method EX-BC OP4 EX-BC OP5 EX-BC OP6Bracket Handle  27 Operation EX-BC OP7 EX-BC OP8 28  Controlling Blade BounceHow you can maintain the best control How you can reduce the chance of kick out 29  Transporting the Unit EX-BC OP9 Maintenance Blade 30  EX-LRT OP1 Adjusting the Angle of the Cutting Blades OP1Operation EX-LRT only Clamp lever Trimming mechanismEX-PS OP1 EX-PS OP2 Checking OIL Supply Adjusting OIL Flow RateOperation EX-PS only  32  33  EX-HE OP1 Operation EX-HE only 34  Maintenance Chart Maintenance 35   36  Spark arrester MA4 MufflerSpark Arrester Intake AIR Cooling VentMA6 Procedures to be Performed After Every 100 Hours of USEMA51 Cylinder Intake air cooling vent backGear Case MA5 Maintenance EX-BC onlyFor safety reasons, do not use metalreinforced line  39 Blades MA1 EX-LRT MA1 EX-LRT MA2 40  Quick TIPGuide BAR Maintenance EX-PS onlyEX-PS MA1 MA2 MA3 Oiling Port  41 Sprocket EX-PS MA4 MA5 MA6 42  SAW ChainEX-PS MA7 MA8 MA9  43 MA1 Gear Case Maintenance EX-HE only 44  Storage  45 Check Probable Causes Action Troubleshooting guide 46  Parts list EX-LRT ATT EX-PS ATT EX-HE ATTEXZ-PU S/N 302845 and up  48  49  EX-BC S/N 302960 and up  50  51  Engine Unit 352001 and up  52  53  Description Part Number QtyEX-LRT S/N 000531 and up  54  55  Casing BEX-PS S/N 000000 and up  56  57  EX-HE S/N 000101 and up  58  59  Manufacturer’s warranty coverage RedMax 2-YEAR Limited Warranty RedMax Garantie limitée à 2 ans Page Komatsu Zenoah America INC