Instruction/ maintenance manual of the product EH7500S Makita
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PRODUCT P 1/ 25 EH7500S Petrol Hedge Trimmer Model EH7500S is a 22.2cm³ 2-stroke petrol hedge trimmer with single-sided blade in compliance with all known exhaust emission regulations, featuring extra light design with further improvements in noise, vibration and handling compared with our current models.
R epair Apply Makita Grease N. No.2 to Spiral spring for recoil starter (approx. 2g) and Gear room (approx. 40g). [1] NECESSARY REPAIRING TOOLS < Note in repair> * Repair the tool always with gloved hand * Blades must be covered by Blade cover * Cool down the engin first before repairing to avoid a skin burn.
R epair [3] DISASSEMBLY/ASSEMBLY [3] -1. Engine section Fig. 3 (1) Disconnect Bullet terminal from the Lead wire of Ignition coil. ( Fig. 1 ) (2) Remove Air cleaner cover and disconnect control cable from the swivel of carburetor. Remove Control cable from cable bracket.
P 4/ 25 R epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Clutch Section Fig. 5 By using impact driver, Clutch can be loosened without holding Piston by utilizing air pressure in the cylinder. In order to utilize this air pressure resistant, do not remove Spark plug in this step.
P 5/ 25 R epair [3] DISASSEMBLY/ASSEMBLY [3] -3. Clutch Drum (1) Separate Gear case from Engine section. ( Figs. 1, 2 and 3 ) (2) Remove Gear case cover from Gear case.
P 6/ 25 R epair Fig. 8 Fig. 9 Remove Spur gear 9. ( Fig. 8 ) DISASSEMBLING ASSEMBLING Put Gear housing on the turn base of Arbor press horizontally. Insert Spur gear 9 into Ball bearing in Gear case and press it with Arbor press. ASSEMBLING 1R024 1. Apply 1R024 to Shaft of Spur gear 9 and press it with Arbor press.
P 7/ 25 R epair (1) Align the Shear blade (upper) with the lower one. ( Fig. 11 ) (2) Set 2 pcs. of Sleeve 5 under Plate of Shear blade assembly. ( Fig. 12 ) (3) Set the position of Spur gear 43 as drawn in Fig. 13 . DISASSEMBLING ASSEMBLING [3] DISASSEMBLY/ASSEMBLY [3] -5.
P 8/ 25 R epair (4) Mount Shear blade assembly in the Gear case while fitting Shear blade’ boss into the hole of Connecting rod. Fix the Shear blade assembly to Gear case by driving Hex socket head bolt through the Holder and each Sleeve 5. Note : • Do not forget to mount Seal.
P 9/ 25 R epair (1) Remove Plug cap from Spark plug and check the resistance between Plug cap spring and Ignition coil with circuit tester. ( Fig. 18 ) MAINTENANCE [3] DISASSEMBLY/ASSEMBLY [3] -6.
P 10/ 25 R epair (1) Remove Plug cap with Socket wrench 10-16. Clean the spark terminals of the removed Plug. ( Fig. 20 ) And adjust the gap of Spark terminals to 0.
P 11/ 25 R epair ASSEMBLING Ignition Coil (1) Set Spacer on Cylinder and assemble Ignition coil on Spacer while inserting 0.3 mm feeler gauge of 1R366 between Fly wheel’s magnetized portion and Ignition coil. ( Fig. 22 ) Keep the inserted feeler gauge in this step till the Ignition coil is fully tightened in order to fix the 0.
P 12/ 25 R epair DISASSEMBLING Fly Wheel Note : Plug cap has to be removed in order to avoid accidental start of engine. Do not remove Plug when the nut for tightening Fly wheel is loosened to utilize air resistant in Cylinder. (1) Attach 10 mm Hex socket bit to Impact driver.
P 13/ 25 R epair DISASSEMBLING ASSEMBLING Fly Wheel (1) Remove oil completely from Crankshaft. (2) Align Woodruff key on Crank shaft to the key groove of Fly wheel and mount Fly wheel to Crankshaft. (3) Turn M6 Hex nut to Crankshaft clockwise by hand and tighten it with Impact driver with 10 mm Socket bit clockwise for 2 second.
P 14/ 25 R epair Fig. 27 DISASSEMBLING [3] DISASSEMBLY/ASSEMBLY [3] -7. Recoil Starter (cont.) (2) Disassemble Recoil starter. ( Fig. 27 ) Reel Reel Notch Notch Rope 1. Pull out Rope by the length of one or two times turn of the Reel and hold the Reel.
ASSEMBLING Assemble the Recoil starter. ( Figs. 28 and 29 ) Fig. 28 1. Set the outer end of Spiral spring here firstly and wind it clockwise till it is completely installed in the Starter case. Note : Apply Makita grease N. No.2 a little on the Spiral spring (Red grease was applied to it at ex-factory condition).
P 16/ 25 R epair [3] DISASSEMBLY/ASSEMBLY [3] -8. Carburetor Fig. 30 Fig. 31 (1) Remove Air cleaner cover. ( Fig. 30 ) (2) Remove Elements, Sponge and Felt. ( Fig. 31) Air cleaner cover Hex socket head bolt Element (Felt made) Element (Sponge made) Fig.
P 17/ 25 R epair [3] DISASSEMBLY/ASSEMBLY [3] -8. Carburetor (cont.) (7) Check Inlet needle in the Pump body assembly if its tip is intact. Replace Controller set including Inlet needle to the new set if Inlet needle tip is damaged. It can be removed by unscrewing M3x4 Set screw.
P 18/ 25 R epair Assemble by reversing the disassembly, cleaning procedure. See Fig. 37 . (1) Connect two Tubes to Carburetor. ( Fig. 38 ) ASSEMBLING AIR-TIGHT TEST Fig. 37 Nipple for fuel intake 1R127 1. Connect 1R127 to Carburetor. 2. Push up the air pressure until the pressure gauge indicates 0.
R epair [3] DISASSEMBLY/ASSEMBLY [3] -8. Carburetor (cont.) (2) Fasten the following parts with two Hex socket head bolts. ( Fig. 39 ) * Plate * Air cleaner plate * Gasket * Cable bracket * Gasket * Carburetor assembly * Carburetor gasket Fig. 39 (3) Assemble Elements.
R epair [3] DISASSEMBLY/ASSEMBLY [3] -9. Stop Switch (1) Connect Circuit tester for checking Stop switch. ( Fig. 41 ) Fig. 41 MAINTENANCE Bullet terminal Connecting terminal Stop switch is in order if.
2. Connect the clear tube to the longer nipple of Primer pump. R epair [3] DISASSEMBLY/ASSEMBLY [3] -10. Fuel Tube TUBING Fig. 42 Fuel filter Fuel tank Connect Fuel tank, Primer pump, Carburetor with Tubes. ( Fig. 42 ) 1. Mount Tube complete (equipped with black Tube and clear Tube) to Fuel tank.
R epair [3] DISASSEMBLY/ASSEMBLY [3] -11. Spark Arrestor 2. Remove Inner muffler cover (metal) and Muffler gasket from Muffler. DISASSEMBLING, CLEANING Fig. 44 (1) Separate Engine from the product. ( Figs. 1, 2 and 3 ) (2) Disassemble Muffler section.
R epair [3] DISASSEMBLY/ASSEMBLY [3] -12. Engine Block DISASSEMBLING Fig. 46 (1) Disassemble the following parts from Engine. * Blower housing * Muffler cover (out side) * Muffler * Cylinder cover * P.
R epair [3] DISASSEMBLY/ASSEMBLY [3] -12. Engine Block (cont.) Fig. 49 (3) Assemble the new Piston clip with Awl. ( Fig. 47 ) (4) Assemble Piston rings ( Fig. 48 ). (5) Assemble Cylinder gasket to Cylinder. ( Fig. 49 ) ASSEMBLING Fig. 47 Top Side Skirt Side Piston clip opening must face to either the top side or Skirt side of Piston when assembled.
R epair [3] -13. Fastening Torque Fig. 50 Part description Crankcase 1 Crankcase 2 M5x18 Hex Socket Head Bolt Bolt and Screw Fastening Torque (N. m) 8 Cylinder Crankcase M5x18 Hex Socket Head Bolt 8 F.
An important point after buying a device Makita EH7500S (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Makita EH7500S yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Makita EH7500S - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Makita EH7500S you will learn all the available features of the product, as well as information on its operation. The information that you get Makita EH7500S will certainly help you make a decision on the purchase.
If you already are a holder of Makita EH7500S, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Makita EH7500S.
However, one of the most important roles played by the user manual is to help in solving problems with Makita EH7500S. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Makita EH7500S along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
