When the engine is test run at the factory, the carburetor is basically adjusted. A further adjustment may be required, according to climate and altitude. The carburetor has one adjustment possibility: T = Idle speed adjustment screw. Idle speed adjustment (T) To adjust, turn IDLE Adjustment Screw (T) in (clockwise) to increase engine speed, out (counterclockwise) to decrease engine speed. Standard Idle rpm is 2500-3000rpm. CAUTION! The above adjusting procedure must be followed when adjustment

s Man s Mans Mans Mans Mans Man ual ualualualualual Model Numbers: THB-2500,THB-2510, THB-2500,THB-2510,THB-2500,THB-2510,THB-2500,THB-2510,THB-2500,THB-2510,THB-2500,THB-2510, TBL-4600,TBL-4610,TBL-505 TBL-4600,TBL-4610,TBL-505TBL-4600,TBL-4610,TBL-505TBL-4600,TBL-4610,TBL-505TBL-4600,TBL-4610,TBL-505TBL-4600,TBL-4610,TBL-505 BL BLBLBLBLBL O OOOOO WERS WERSWERSWERSWERSWERS P/N 12626 Date 08-10-01 TBL-4600 THB-2510 Supplier ToThe Outdoor Power Equipment Industry ISM, Inc. . 1028 4th Street SW .

• Empty the fuel tank before storing the tool. It is recommended that the fuel be emptied after each use. If fuel is left in the tank, store so fuel will not leak. • Store tool out of the reach of children. • Clean the unit carefully and store it in a dry place. • Make sure engine switch is off when transporting or storing. If situations occur which are not covered in this manual, take care and have good judgment. Contact your dealer if you need assistance. Pay special attention to statements pr

ITEM PART NUMBER DESCRIPTION QTY COMMENTS 6-16 0303190020 CUSION,RUBBER,BOTTOM 2 6-26 0193131980 BAND 2 6-27 8123190020 SCREW,G,M6x16 2 6-28 83531900200 NUT,F.M6 2 6-29 0163190020 STAY,BAND 1 6-30 0293131320 NUT,SPECIAL 4 6-31 0213190020 PAD,CUSHION 1 6-32 0463190020 FASTENER 4 6-34 5913190080 TANK,FUEL 1 6-35 5953190090 CAP,TANK 1 6-36 2233190090 PIPE,FUEL ASSY 1 6-37 8153190020 SCREW,J,M5x14 2 6-38 8303190020 WASHER,A 2 6-40 0203190080 FRAME 1 6-41 03031307200 BUFFER 2 6-42 0603190020 COLLAR 2

If this happens, you should contact the dealer from which you purchased the product to order new seals and affix the new seal(s) in the required location(s). NOTES ON TYPES OF WARNINGS Awarning Instructions labeled as shown at left, concern critical steps or procedures which must be followed in order to prevent accidents which could lead to serious bodily injury or death.This mark is used to indicate instructions which must be followed without exception. O IMPORTANT Instructions labeled as

Bottle, 1 Gallon Size (24*) 700108 16 oz. Self-measuring Bottle (24*) 700110 1 Gallon Jug Commercial Size (6*) * Case Quantity 215432 Pressure Test Tool 111124 T-27 Torx Drive 3.5M 217720 Torx Drive Set 323330 Ignition Tester 222785 T-25 Torx Drive 3.5 91424 Tachometer 009-29323-500 Piston Pin Remover PERFECT MIX*8 2-Cycle Engine Oil FIGURE 1 POWERHEAD ASSEMBLY FIGURE 1 THB-2100 PARTS LISTING REF. PART NO. PART DESCRIPTION Q C s SERIAL NO REMARKS 1 217669 SCREW, M4X25 2 c 2

301400 (Fig. 3) PERFECT MIX* 2-Cycle Engine Oil 700109 2.8 oz. Bottle, 1 Gallon Size (24*) 700108 16 oz. Self-measuring Bottle (24*) 7001101 Gallon Jug Commercial Size (6*) * Case Quantity SPECIAL TOOLS 215432 Pressure Test Tool 111124 T-27 Torx Drive 3.5" 217720 Torx Drive Set 323330 Ignition Tester 222785 T-25 Torx Drive 3.5 91424 Tachometer 009-29323-500 Piston Pin Remover FIGURE 1 POWERHEAD ASSEMBLY FIGURE 1 THB-2400 PARTS LISTING REF. PART NO. PART DESCRIPTION Q C S SERIAL N