Page 2 - A statement preceded by the word; Contents; The following are symbols and their
2 Wheel Rotating Direction Max Spindle Speed/ Rated Spindle Speed Throughout this manual are special “attention statements”. WARNING! A statement preceded by the word “WARNING” contains informa- tion that should be acted upon to prevent serious injury. CAUTION! A statement preceded by the word “CAUT...
Page 3 - Before Operation; Safety Precautions
3 Before Operation Children and people who do not understand this manual must not use this unit. Never allow other people or animals to be near the unit when starting or operating. Never touch a rotating cut-off wheel. Operate the unit only in a well ventilated area. Never operate the...
Page 4 - Starting The Engine
4 Safety Precautions (continued) WARNING! Figure 1. Start the engine at least 3 meters from a fueling location. Starting The Engine Start the engine at least 3 meters away from a fueling location. When starting the engine, make sure the cut-off wheel does not touch any object or ground. As soo...
Page 5 - Kickback; Operation
5 Safety Precautions (continued) WARNING! Kickback Kickback may force the cut-off wheel up and back toward the operator lightning-fast. Kickback can occur whenever the upper half of the cut-off wheel touches an object. Never cut an object using the upper half of the cut-off wheel. EC7500.14 EC...
Page 7 - Safety and Operation Information Labels
7 EC7500.1 No perform ance guara ntee witho ut � using genu ine Shinda iwa blades � No-load re volution s peed: 4180 min -1 (rpm)� Use reinfo rced abras ive blades with � maximum us eable peri meter velo city of: � 15,749 ft/ min.(4800 m/min.) USE ONLY G ENUINE � SHINDAIWA BLADES EC7500 Max. blade d...
Page 8 - Unit Description
8 EC7500.18 EC7500.1A Unit Description Figure 5 Air Cleaner Cover Choke Primer Pump Front Handle Cylinder Cover Throttle Trigger Lockout Carburetor Idle Adjustment Screw Cut-off Wheel Wheel Guard Lock Knob Belt Guard Rear Handle Fuel Filler Cap Recoil Starter Throttle Trigger Clutch Cover Muffler Dec...
Page 9 - Technical Specifications
9 Technical Specifications Engine Type ............................ 2-Cycle, vertical-cylinder, air-cooled Displacement ........................ 73.5 cm 3 * Bore x Stroke ......................51 x 36mm Max. Power Output ** ................. 3.3kW Recommended Engine Idling Speed ................. 2,5...
Page 10 - Assembly; Mounting the Cut-off Wheel; Recommended Cut-off Wheels; Abrasive: 305mm outer diameter; Prior to Assembly
10 IMPORTANT! This unit is equipped with a 22mm wheel collar. Wheel adapters for 20mm and 25.4mm cut-off wheels are located in the tool set. Before mounting a wheel, deter- mine its arbor diameter. If it is necessary to replace the col- lar, remove the snap ring on the arbor, install the correct siz...
Page 11 - Filling the Fuel Tank; Examples of 50:1 mixing quantities
11 EC7500.20 4. Loosen bolt with the wrench and remove bolt and outer flange. See Figure 8. Figure 8 Outer Flange Bolt Tighten Loosen WARNING! When filling the fuel tank, make sure the engine is stopped and cool. Filling the fuel tank or mixing fuel and oil must be done in a place where there is...
Page 12 - On
12 EC7500.22 7. Grip the recoil star ter handle with your right hand, pull the star ter cord slowly until you feel the star ter engage, then… 8. …star t the engine by pulling the star ter cord upward rapidly. CAUTION! The recoil starter can be dam- aged by abuse. Never pull the starter cord to...
Page 13 - Keep well away from fire!; If the engine still does not; The cut-off wheel must not rotate; Starting a Warm Engine; If the Engine Doesn’t Start; Stopping the Engine
13 If the engine fails to star t, repeat the appropriate star ting procedure for a cold or warm engine. WARNING! Keep well away from fire! If the engine still does not start, 1. Pull the choke all way out.2. Unscrew the knob on the cleaner cover and remove the cleaner cover. See Figure 11. EC7500.23 ...
Page 14 - Cutting
14 EC7500.27 WARNING! Never permit bystanders or animals near the unit when starting or operating the unit. Be aware of kickback! Kickback may force the cut-off wheel up and back toward the operator lightning-fast. Kick- back can occur whenever the upper half of the cut-off wheel touches an ob...
Page 15 - Reversing cutting head for flush cutting operations; stopped and the ignition switch is OFF.
15 NOTE: For units equipped with a water kit, loosen the (2) water nozzles and dis- connect the main water line from the double nozzle. 1. Remove the cutting wheel (See pages 10 and 11). Using a Phillips screwdriver, loosen the tension screw until the tension indicator is all the way to the front of...
Page 16 - Inspection and Maintenance; Item; Reversing cutting head for flush cutting opera; tions
16 Inspection and Maintenance Item What to Do Daily Weekly Monthly As Req’d Air Cleaner Clean Cut-off Wheel Check & Sharpen Bolts/Screws Check & Retighten Fuel Cap Check Leakage Fuel Tank Check Leakage Wheel Guard Check Function Clutch Bearing Grease Belt Check and Adj...
Page 17 - Cleaning the Air Cleaner
17 EC7500.23 EC7500.24 WARNING! Inspection and maintenance should be done in a well ventilated place and where there is no risk of fire. Dust in the air cleaner will af fect en- gine life. The air filter must be cleaned ever y time you star t operating. Clean the air filter once a day and replace the fi...
Page 18 - Adjusting the Carburetor
18 EC7500.30 It is not necessar y to adjust the carbu- retor when the unit is new. Adjust the carburetor only when you are sure it is necessar y due to dif ferences in work- ing conditions such as atmospheric pressure or temperature, or change in unit conditions after more than 10 hours of use. If y...
Page 19 - Before cleaning cylinder fins, make; Checking the Drive Belt
19 EC7500.34 High and Low Speed Needle The high and low speed needle is fixed and cannot be adjusted. Spark Plug Maintenance If the engine becomes hard to star t or if idle speed is unstable, inspect the spark plug according to the following procedures.1. Remove the spark plug. Refer to the procedure...
Page 20 - Replacing the Drive Belt; Never use a wheel which has; A faulty wheel must be replaced
20 EC7500.47 EC7500.36 EC7500.35 Replacing the Drive Belt 1. Loosen the tension screw. Loosen the two bolts on the belt guard and remove the belt guard by sliding it to the right. See Figure 26. 2. Loosen the two bolts in the clutch cover and remove the clutch cover. 3. Replace the old belt with a n...
Page 22 - KEEP AWAY FROM FIRE OR; Lubricating the Clutch Bearing
22 EC7500.44 Sharpening a Diamond Cut-off Wheel While running the engine at low speed, make about 10 passes at cutting a con- crete block or a soft brick. Keep the block watered while sharpening. Checking the Fuel Filter WARNING! KEEP AWAY FROM FIRE OR EXCESS HEAT! 1. Remove the fuel filler cap.2. Ta...
Page 23 - Long Term Storage
23 Whenever the unit will not be used for 30 days or longer, use the following procedures to prepare if for storage: Clean external par ts thoroughly. Drain all the fuel from the carbure- tor and the fuel tank. IMPORTANT! All stored fuels should be stabilized with a fuel stabilizer such as Sta...
Page 24 - Troubleshooting
24 The engine does not start. PROBLEM Remove the spark plug (pg 13). Is the spark � plug wet? Cutting performance is poor. PROBLEM Make sure the choke is � pushed fully in. Make sure the air � cleaner is clean (pg 17). Make sure the drive belt is � properly tightened (pg 19). Make sure the carbureto...
Page 25 - Declaration of Conformity
25 DECLARATION OF CONFORMITY We hereby declare the Shindaiwa Cut-of f Machine, Model EC7500 (EC7500/EC1, EC7600/EC1). meets the following respective requirements. Council Directives: Standard taken: 89/336/EEC as amended EN 292 par ts 1&2 98/37/EC as amended EN 1454 2000/14/EC as amended CISPR 1...
