Zenoah EXZ2500S-BC, EX-BC, EX-LRT, EX-PS, EX-HE, EXZ2600DL EX-PS SE4 EX-PS SE5 EX-PS SE6,  17 

Page 17

6. Set up (EX-PS only)

EX-PS SE4

EX-PS SE5

EX-PS SE6

3.Fit the chain tensioner nut into the lower hole of the guide bar, then install the chain cover, and fasten the mounting nut to finger tightness. (SE3)(SE4)

(1)Hole

(2)Moving direction

(3)Chain tensioner nut

4.Adjust the chain tension by turning the tensioner screw until the tie straps just touch the bottom side of the bar rail. (SE5)

(1)Chain tension adjusting screw

(a) Loosen

(b) Tighten

5.Tighten the mounting nut securely with the bar tip held up (SE6)(TORQUE: 8.9~11.7 N.m./90~120 kg-cm). Then check the chain for smooth rotation and correct tension while moving it by hand. If necessary, readjustment.

(1) Tighten

WARNING

It is very important to maintain the proper chain tension. Rapid wear of the guide bar or the chain coming off easily can be caused by improper tension. Especially when using a new chain, take good care of it since it should expand when first used.

■BALANCE UNIT

1.Put on strap and attach unit to strap.

2.Depending on the working posture, slide clamp up or down until unit balances and the strap fits your body.

17 

Image 17

Contents 848-BP6-93A1 OWNER/OPERATOR ManualContents Safety First 3  Parts location 4  Specifications 5   6  Symbols on the machineWorking Condition For safe operationWorking Circumstance  7  8  Working Plan 9  Before Starting the EngineStarting the Engine  10  Using the ProductIf Someone Comes MaintenanceHandling Fuel  11  12  Transportation 13  Set upInstalling Cutting Head SE2 EX-BC SE1 SE2 Installing Debris GuardDebris guard Plate Screw EX-BC SE3 Balance Unit 15  EX-LRT SE1 Attaching the Trimming Mechanism SE1Main pipe Trimming mechanism Screw hole Fastening bolt EX-PS SE2 EX-PS SE1 Attaching the Pruning Mechanism SE1EX-PS SE3  16 EX-PS SE4 EX-PS SE5 EX-PS SE6 Chain tension adjusting screw Loosen TightenHole Moving direction Chain tensioner nut  17 Clamp bolt Lock screw EX-HE SE1 EX-HE SE2 EX-HE SE3 EX-HE SE4Bracket  18 Fuel HOW to MIX FuelRecommended Mixing Ratio Gasoline 50OIL  19  20  Fueling the UnitFor Your Engine LIFE, Avoid  21  Operation 22  OP6 OP7 OP8Stopping Engine OP6 Adjusting Idling Speed OP10 Adjusting Throttle CableOP9  23  24  Operation EX-BC only 25  Bracket Handle EX-BC OP4 EX-BC OP5 EX-BC OP6Cutting Method  26 Controlling Blade Bounce EX-BC OP7 EX-BC OP8 OperationWhat causes kick out  27  28  How you can reduce the chance of kick outHow you can maintain the best control  29  EX-BC OP9 Maintenance BladeTransporting the Unit Operation EX-LRT only Adjusting the Angle of the Cutting Blades OP1EX-LRT OP1 Clamp lever Trimming mechanismOperation EX-PS only Adjusting OIL Flow RateEX-PS OP1 EX-PS OP2 Checking OIL Supply  31  32   33  Operation EX-HE onlyEX-HE OP1  34  MaintenanceMaintenance Chart  35   36  MA4Muffler Spark ArresterMA51 Procedures to be Performed After Every 100 Hours of USEMA6 Cylinder Intake air cooling vent backFor safety reasons, do not use metalreinforced line Maintenance EX-BC onlyGear Case MA5  38 Upper blade Lower blade EX-LRT MA1 EX-LRT MA2 Blades MA1Quick TIP Gear CaseEX-PS MA1 MA2 MA3 Oiling Port Maintenance EX-PS onlyGuide BAR  40 SAW Chain EX-PS MA4 MA5 MA6Sprocket  42  EX-PS MA7 MA8 MA9 43  Maintenance EX-HE onlyMA1 Gear Case Storage Troubleshooting guideCheck Probable Causes Action  44 EX-LRT ATT EX-PS ATT EX-HE ATT Parts list 46  EXZ-PU S/N 302845 and up 47   48  EX-BC S/N 302960 and up 49   50  Engine Unit 50100000 and upDescription Part Number Qty  51  52  EX-LRT S/N 000531 and upCasing B  53  54  EX-PS S/N 000000 and up 55   56  EX-HE S/N 000101 and up 57  Limited Warranty RedMax Garantie limitée Komatsu Zenoah America INC