Page 2 - SAFETY FIRST; s y m b o l c o n c e r n; NOTE; CONTENTS
SAFETY FIRST Instructions contained in warnings within thism a n u a l m a r k e d w i t h a s y m b o l c o n c e r n c r i t i c a l p o i n t s w h i c h m u s t b e t a k e n i n t oc o n s i d e r a t i o n t o p r e v e n t p o s s i b l e s e r i o u sb o d i l y i n j u r y , a n d f o r t h...
Page 5 - Warning labels on the machine
(1) Read owner's manual before operating this machine.(2) Wear head, eye and ear protection.(3) Warning/Attention(4) Keep all children, bystanders and helpers 15 meters away from the machine. If warning label peel off or become soiled and impossible to read, you should contact the dealerfrom which y...
Page 6 - Symbols on the machine; IMPORTANT ENGINE INFORMATION; FOR SMALL NONROAD ENGINES.; INFORMATION IMPORTANTE CONCERNANT LE MOTEUR
6 For safe operation and maintenance, symbols arecarved in relief on the machine. According to thesei n d i c a t i o n s , p l e a s e b e c a r e f u l n o t t o m a k e amistake. (a) The port to refuel the "MIX GASOLINE" Position: FUEL TANK CAP (b) The direction to close the choke Pos...
Page 7 - For safe operation; WORKING CONDITION
5. For safe operation 1. R e a d t h i s m a n u a l c a r e f u l l y u n t i l y o u completely understand and follow all safetyand operating instructions. 2. Keep this manual handy so that you may refer to it later whenever any questions arise. Alsonote, if you have any questions which cannotbe a...
Page 8 - WORKING PLAN; You should never use the product when under; If you don’t observe the working time, or
b. At night, at times of heavy fog, or at any other t i m e s w h e n y o u r f i e l d o f v i s i o n m i g h t b elimited and it would be difficult to gain a clearview of the working area. c. During rain storms, during lightning storms, at times of strong or gale-force winds, or at anyother times...
Page 9 - IMPORTANT
9 ■ BEFORE STARTING THE ENGINE 1. The area within a perimeter of 50 feet (15m) of t h e p e r s o n u s i n g t h e p r o d u c t s h o u l d b econsidered a hazardous area into which no oneshould enter. If necessary yellow warning rope,w a r n i n g s i g n s s h o u l d b e p l a c e d a r o u...
Page 10 - After starting the engine, check to make sure; USING THE PRODUCT; Grip the handles firmly with both hands using
10 Never place the throttle into the high speedposition when starting the engine. 3. After starting the engine, check to make sure that the cutting attachment stops rotating whenthe throttle is moved fully back to its originalposition. If it continues to rotate even after thethrottle has been mo...
Page 11 - WARNING
• IF SOMEONE COMES 1. Guard against hazardous situations at all times. Warn adults to keep pets and children awayfrom the area. Be careful if you are approached.Injury may result from flying debris. 2. If someone calls out or otherwise interrupts you while working, always be sure to turn off theengi...
Page 12 - TRANSPORTATION
12 5. For safe operation refill the tank of the unit in any place where thereis a boiler, stove, wood fire, electrical sparks,welding sparks, or any other source of heat orfire which might ignite the fuel. 2. Never smoke while operating the unit or refilling its fuel tank. 3. W h e n r e f i l l...
Page 14 - INSTALLING DEBRIS GUARD; • Put the debris guard on the gear box, attach it; BALANCE UNIT
14 6. Set up (EX-BC only) EX-BCSE2 ■ INSTALLING DEBRIS GUARD • Put the debris guard on the gear box, attach it with the 4 screws and hardware provided. (SE1) (1) debris guard(2) plate(3) screw ■ INSTALLING CUTTING HEAD (SE2) 1. While locking the gear shaft, by inserting the supplied tool into th...
Page 19 - • G a s o l i n e i s v e r y f l a m m a b l e . A v o i d
7. Fuel ■ RECOMMENDED MIXING RATIOGASOLINE 50:OIL 1 • Exhaust emission are controlled by the fundamental engine parameters andcomponents(eq., carburation, ignitiont i m i n g a n d p o r t t i m i n g ) w i t h o u taddition of any major hardware or theintroduction of an inert material duringcombust...
Page 20 - FUELING THE UNIT
20 7. Fuel again for at least one minute. As someoils may be difficult to agitate dependingon oil ingredients, sufficient agitation isnecessary for the engine to last long. Becareful that, if the agitation is insufficient,t h e r e i s a n i n c r e a s e d d a n g e r o f e a r l yp i s t o n s...
Page 23 - ADJUSTING THROTTLE CABLE
• Except for an emergency, avoid stopping the engine while pulling the throttle lever. ■ ADJUSTING THROTTLE CABLE • The normal play is 1 or 2mm when measured at the carburetor side end. Readjust with the cableadjuster as required. (OP9) (1) cable adjuster ■ ADJUSTING IDLING SPEED (OP10) 1. When the ...
Page 25 - CHOOSE THE BLADE; • When replacing blade always be sure to use; • When sharpening, removing, or reattaching; D e t a c h t h e l i n e h e a d a s s e m b l y c o m p l e t e l y .
Under growth Heavy weeds Light weeds Grass Nylon line head CUTTER APPLICATIONCHART 9” 22-tooth: SST229 9” 24-tooth: SST249 8” 8-tooth: SGB088 9” 8-tooth: SGB089 8” 4-tooth: SGB048 9” 4-tooth: SGB049 8. Operation (Optional blade usage EX-BC only) ■ CHOOSE THE BLADE C h o o s e a s u i t a b l e r e c...
Page 30 - • Falling branches may fall onto the face or
30 8. Operation (EX-LRT only) This product is equipped with extremely sharpblades, and when used improperly these bladesc a n b e e x t r e m e l y d a n g e r o u s , a n d i m p r o p e rhandling can cause accidents which may inturn lead to serious injury or death. For thisreason, you should a...
Page 31 - Stop the engine and make sure the stop switch
EX-PSOP1 EX-PSOP2 ■ CHECKING OIL SUPPLY After starting the engine, run the chain at mediumspeed and see if chain oil is scattered off as shownin the figure. (OP1) (1) Chain oil The oil reservoir has a capacity sufficient to providea b o u t 4 0 m i n u t e s o f c u t t i n g t i m e ( w h e n s e t...
Page 33 - Before starting the engine, adjust the wheel
EX-HEOP1 8. Operation (EX-HE only) • Always wear eye protection such as safety goggles. Never lean over the rotating cuttinghead. Rocks or other debris could be throwni n t o e y e s a n d f a c e a n d c a u s e s e r i o u spersonal injury. • Keep the blade guard and the mad guard attached in plac...
Page 34 - MAINTENANCE CHART; ENGINE
34 9. Maintenance every every every 25 50 100 system/compornent procedure before hours hours hours note use after after after fuel leaks, fuel spillage wipe out ✔ fuel tank, air filter, fuel filter inspect/clean ✔ ✔ replace, if necessary see ■ ADJUSTING replace carburetor idle adjusting screw ✔ ...
Page 35 - • The air filter, if clogged, will reduce the engine; FUEL FILTER; • When the engine runs short of fuel supply, check; SPARK PLUG; • Starting failure and mis-firing are often caused; • REPLACEMENT PLUG IS A NGK CMR7A.; • Note that using any spark plug other than those
• Make sure that the engine has stopped and is cool before performing any service to themachine. Contact with moving cutting heador hot muffler may result in a personal injury. ■ AIR FILTER • The air filter, if clogged, will reduce the engine performance. Check and clean the filter elementi n w a r ...
Page 38 - REFILLING TRIMMING LINE
38 9. Maintenance (EX-BC only) EX-BCMA1 EX-BCMA2 EX-BCMA3 EX-BCMA4 ■ REFILLING TRIMMING LINE 1. For replacement line, use a diameter of .095 in(2.4mm). The spool is capable for a line upto27ft(8m)on the 4” head, and 46ft(14m)on the 6”head. Avoid using a larger line as it may cutdown the trimming...
Page 39 - QUICK TIP
9. Maintenance (EX-LRT only) ■ BLADES (MA1) • When refilling the tank or resting, it is often a g o o d i d e a t o u s e t h e t i m e t o o i l t h e c u t t i n gblades. • If a gap exists between the upper and lower blades, follow the procedure below to adjustthem so that they fit more closely to...
Page 42 - GEAR CASE
42 9. Maintenance (EX-PS only) After every cutter has been set, check the depthgauge and file it to the proper level as illustrated.(MA7) Be sure to round off the front edge to reducethe chance of kickback or tie-strap breakage. (1) Appropriate gauge checker (2) Make the shoulder round (3) Depth...
Page 43 - • T h e r e d u c t i o n g e a r s a r e l u b r i c a t e d b y
9. Maintenance (EX-HE only) ■ GEAR CASE • T h e r e d u c t i o n g e a r s a r e l u b r i c a t e d b y multipurpose, lithium-based grease in the gearcase. At every 20 hours of use, supply the gearcase with new grease. • Remove the cutter holders before installing new grease to arrange for old gre...
Page 44 - Troubleshooting guide
11. Troubleshooting guide Case 1. Starting failure CHECK PROBABLE CAUSES ACTION fuel tank ➞ incorrect fuel ➞ 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 is foul...
Page 45 - EXtremeTM; APPLICABLE SERIAL NUMBERS :
12. Parts list NOTE : 1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement. 2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any parts other than those specified by the company. 3. When placing parts orders for repair ...
Page 58 - RedMax
EMISSION-RELATED PARTS, FOR TWO (2) YEARS FROM THE DATE OF ORIGINAL DELIVERY OF THE UNIT, KOMATSU ZENOAH AMERICA INC. (THE COMPANY), THROUGH ANY RedMax DEALER, WILL REPAIR OR REPLACE, FREE OF CHARGE, FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER, ANY PART OR PARTS FOUND TO BE DEFECTIVE IN MATERIAL ...