Page 2 - epair
[1] NECESSARY REPAIRING TOOLS Description Code No. Use for Retaining ring pliers ST-2N for External ring 1R003 press-fitting Ball bearing 6203LLU into Cutting device Bearing setting pipe 25-17.2 1R030 assembling Clutch complete to Crankshaft Torque wrench shaft 20-90N·m 1R223 CAUTION: Repair the mac...
Page 3 - Cylinder block; Note
Description Item No. Use for Amount a little a little a little Lubricant 4-cycle Engine oil (API grade SM class) 4-cycle Engine oil (API grade SM class) Makita grease N No. 2 [3] LUBRICANT/ ADHESIVE APPLICATION Retainer (2 pcs.) Contact surface with the holes of Rocker arm assemblyContact surface wi...
Page 4 - : Another Ball bearing 6203LLU
Hood section V belt 5-800 Cutting device [4] DISASSEMBLY/ASSEMBLY [4]-1. V-belt 5-800, Cutting device R epair P 4 / 19 (1) Loosen two M8 Hex nuts slightly with Wrench 13-16 of a standard accessory. ( Fig. 2 ) (2) Release the tension on V-belt 5-800 by turning M6 Tensioning screw counterclockwise wit...
Page 6 - Important; Reel
[4] DISASSEMBLY/ASSEMBLY [4]-2. Starter assembly R epair P 6 / 19 (1) Loosen three M5x19 - Hexalobular socket head bolts, then remove Starter assembly. ( Fig. 10 ) (2) When Starter rope is not broken; 1. Make a slack of Starter rope then hook it on U-shaped notch of Reel. ( Fig. 11 ) 2. Be sure to l...
Page 10 - : • Check the components’ shrinkage, hardening or breakage due to aged; The shape edges
P 1 0 / 19 [4] DISASSEMBLY/ASSEMBLY [4]-5. Carburetor R epair Fig. 32 Fig. 33 Fig. 34 Fig. 35 Fig. 37 Fig. 36 5.5x20 Hexalobular tapping screw (1) After completion of the steps (1) and (2) on [4]-4 , remove Grip cover by loosening 5.5x20 Hexalobular tapping screw. ( Fig. 32 ) (2) Loosen two M5x45 He...
Page 11 - • Align the ends of Sponge sleeve 9 and Breather on Tube 3-190. (; Adjust H needle through the hole
[4] DISASSEMBLY/ASSEMBLY [4]-5. Carburetor (cont.) R epair P 1 1 / 19 ADJUSTMENT OF CARBURETOR AFTER REPLACEMENT ASSEMBLING Fig. 38 Fig. 39 Fig. 40 Pull throttle lever fully after a while engine running at idle position. When there is a problem with the engine quick acceleration, adjust H needle ( F...
Page 12 - • Tube 3-170 with Clamp to Rocker cover
[4] DISASSEMBLY/ASSEMBLY [4]-6. Throttle lever R epair P 1 2 / 19 DISASSEMBLING DISASSEMBLING Fig. 42 Fig. 43 Fig. 44 (1) Remove Pin 5 from the grooves on Tank complete by levering it up with a slotted screwdriver. ( Fig. 42 ) (2) Expand the hinge portion for Throttle lever on Tank complete with 1R0...
Page 14 - Hexalobular
[4] DISASSEMBLY/ASSEMBLY [4]-8. Engine R epair P 1 4 / 19 DISASSEMBLING Fig. 48 Fig. 49 (1) Remove Clutch complete and Clutch drum. Refer to [4]-3 . (2) Remove Flywheel. Refer to [4]-4 . If necessary, remove Ignition coil. (3) Loosen five M6x25 Hexalobular socket head bolts, then remove Cutting arm ...
Page 15 - Exhaust; Use Cotter removal
[4] DISASSEMBLY/ASSEMBLY [4]-8. Engine (cont.) R epair P 1 5 / 19 DISASSEMBLING Fig. 54 Note : Cam gear assembly functions as automatic decompression valve system. Valve is slightly open to release the compressed air in Engine at the starting time, before moving fly weight by centrifugal effects. It...
Page 17 - Oil ring
[4] DISASSEMBLY/ASSEMBLY [4]-8. Engine (cont.) R epair P 1 7 / 19 Note: Be sure to apply Makita grease N No.2/ 4-cycle engine oil in accordance with [3] LUBRICANT APPLICATION . (1) Connect Piston with Crankshaft complete by inserting Piston pin into place; there is no front/back to Piston. (2) Secur...
Page 18 - socket
[4] DISASSEMBLY/ASSEMBLY [4]-8. Engine (cont.) R epair P 18 / 19 DISASSEMBLING Fig. 68 (8) Assemble Cam gear section by reversing the disassembly procedure. (Refer to Fig. 53 and 52 .) (9) Move Piston to the upper dead point in Cylinder block by turning Crankshaft slowly and carefully by hand. (10) ...
Page 19 - Fuel is extremely flammable and fuel vapors are explosive.; Application
[5] Tightening torque specifications R epair P 19 / 19 [4] DISASSEMBLY/ASSEMBLY [4]-9. Ignition system (cont.) CHECKING SPARK PLUG (1) Remove Plug cap from Spark plug, then Spark plug from Cylinder head complete with the supplied socket wrench. Note: If the electrodes of Spark plug are wet, wipe the...