BTS 930 8340 BTS 935 8341 BTS 1030 8339 BTS 1035 7975

Bts 930 8340 Bts 935 8341 Bts 1030 8339 Bts 1035 7975-PDF Download

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BTS Repair Table of Contents,1 Technical Data 5,1 1 BTS 930 BTS 935 BTS 1030 BTS 1035 5. 2 Special Tools 6,3 Clutch 7,3 1 Dismantling the clutch drum 7. 3 2 Mounting muffler and heat plate 8,3 3 Repairing the clutch 8. 3 4 Mounting the clutch drum 9,4 Ignition System 10. 4 1 Checking the spark plug 10,4 2 Replacing the plug connector 11.
4 3 Removing assembling the ignition short circuit cable 12. 4 4 Removing checking mounting the ignition armature 14. 4 5 Removing mounting the flywheel 15,5 Starting System 16. 5 1 Removing mounting the starter return spring 16. 5 2 Pretensioning checking the return spring 17,5 3 Replacing the starter ratchet 17. 6 Carburetor 18,6 1 Setting the carburetor 18,6 2 Removing the carburetor and intake hose 19. 6 3 Carburetor dismantling testing the control side 20. 6 4 Carburetor dismantling testing the pump side 21. 6 5 Carburetor Cleaning the fuel filter 21,wc br0118754enTOC fm 1. Table of Contents BTS Repair,7 Hood System Air Filter Winter Operation 22.
7 1 Air Filter 22,7 2 Winter Operation 23,8 Front Handle Vibration Absorbers 24. 8 1 Removing and replacing the bracket handle 24,8 2 Replacing the vibration absorbers 24. 9 Fuel Tank Fuel Filter 25,9 1 Removing inserting the ventilation valve 25. 9 2 Replacing the throttle lever mechanism 25,9 3 Replacing the fuel pipe 26. 9 4 Testing the fuel filter 26,10 Cylinder Piston Decompression Valve 27.
10 1 Dismantling mounting the cylinder piston 27,10 2 Testing the decompression valve 28. 11 Crankcase Crankshaft 29,11 1 Crankcase crankshaft 29. 12 Cutting Attachment 30,12 1 Replacing the pressure disc 30. 12 2 Removing mounting the V belt pulley 30,12 3 Replacing the drive axle 31. 12 4 Removing the complete pressure ring 31,12 5 Cutter guard holding attachments 31.
12 6 Replacing the guard stop 32,12 7 Replacing the fixing screw 32. wc br0118754enTOC fm 2,BTS Repair Table of Contents. 12 8 Removing mounting the cutting device bearings 33. 12 9 Adjusting the cutter guard holding attachment 34. 12 10 Tensioning the V belt 34,13 Torques 35,13 1 BTS 930 BTS 935 BTS 1030 BTS 1035 35. wc br0118754enTOC fm 3,Table of Contents BTS Repair. wc br0118754enTOC fm 4,BTS Repair Technical Data,1 Technical Data.
1 1 BTS 930 BTS 935 BTS 1030 BTS 1035,Item No BTS 930 BTS 935 BTS 1030 BTS 1035. 0008340 0008341 0008339 0007975,Displacement cm in 62 73. Bore mm in 47 1 8 50 2 0,Stroke mm in 37 1 5 37 1 5. Max Power kW Hp 3 3 4 4 4 2 5 5,Max Torque Nm 4 0 5 0. Idling Speed rpm 2500 2500,Clutch engagement speed rpm 3800 3800.
Engine speed limitation rpm 9350 9350,Max spindle speed rpm 4300 4300. Carburetor diaphragm type Tillotson HS 273 A,Ignition system type. electronic,with speed limitation,Spark plug type NGK BPMR 7A BOSCH WSR 6F. CHAMPION RCJ 6Y,Electrode gap mm in 0 5 0 020,Fuel consumption1 l h qts h 1 85 2 2 36 2 5. Specific consumption1 g kWh 500 500,Fuel tank capacity l qts 1 1 1 2 1 1 1 2.
Mixture ratio fuel two stroke oil 50 1 50 1,Cutting disc for 80 m sec 2 mm 3. 300 20 0 5 350 24 5 5 300 20 0 5 350 24 5 5,DSA approved. Arbor diameter mm 20 0 25 4 20 0 25 4,V belt AVX 838 LA AVX 838 LA. Overall weight 4 kg lbs 9 7 21 9 9 22 9 8 21 10 22. 1 At max load per ISO 8893,2 Circumferance speed at max engine speed. 3 Outside diameter arbor hole thickness,4 tanks empty without cutting disc.
wc td000126gb fm 5,Special Tools BTS Repair,2 Special Tools. wc gr001381,Ref Part Number Description,1 0068900 Puller for flywheel. 2 0117570 Puller for oil seals,3 0117573 Puller for ball bearing counter support. 4 0117569 Puller for ball bearing inside puller,5 0117575 Set of piston ring tenson belt. 6 0117571 Piston stop wedge,7 0117574 Mounting tool for clutch hub.
wc tx000326gb fm 6,BTS Repair Clutch,3 1 Dismantling the clutch drum. See Graphic wc gr001384 and wc gr001385, 3 1 1 To dismantle the clutch and drum remove the cutting device 1 strut. 2 and V belt cover 3, 3 1 2 To remove the cutting device loosen the fixing screws 4 Remove. screw 5 to the point where the end of the screw projects from the. cover arrow, 3 1 3 The side strut is fixed with 3 screws 7 to the tank and the collector for. the right upper damper device, 3 1 4 The cover for the V belt is fixed to the crankcase with 3 screws 8.
3 1 5 To remove the clutch and drum the piston must be blocked To do this. unscrew the 3 screws 9 fixing the muffler 10 and insert the piston. stop wedge 0117571 into the exhaust port of the cylinder 11. 3 1 6 Unscrew the clutch with the special tool 0117574 and a 19mm. Note left handed thread,wc gr001384,wc gr001385,wc tx000298gb fm 7. Clutch BTS Repair,3 2 Mounting muffler and heat plate. See Graphic wc gr001386, When mounting the muffler 10 ensure that the heat plate 12 is. installed correctly, Note The heat plate goes directly onto the cylinder then the gasket. 13 and muffler,wc gr001386,3 3 Repairing the clutch.
See Graphic wc gr001386, 3 3 1 The tension springs of the clutch can be removed replaced with. pointed pliers b If spares are required the 3 tension springs are only. available as individual parts, 3 3 2 The tension springs should only be replaced as a set if replacement is. 3 3 3 If the hub flyweight is defective the complete clutch must be. wc tx000298gb fm 8,BTS Repair Clutch,3 4 Mounting the clutch drum. See Graphic wc gr001387, 3 4 1 Before installing the clutch drum the needle bearing that is pressed in. must be greased Alvania 2, 3 4 2 When mounting the drum and the clutch be careful to mount the.
washers in the right order,1 Ring sits in the groove of the crankshaft. 2 End collar with recess towards ring,3 Guide washer. 4 Clutch guide washer before assembly, Press into the support on the back of the clutch hub. wc gr001387,wc tx000298gb fm 9,Ignition System BTS Repair. 4 Ignition System,4 1 Checking the spark plug,See Graphic wc gr001388.
4 1 1 Remove filter hood, 4 1 2 Pull spark plug socket 1 off the spark plug and remove spark plug 2. 4 1 3 Connect spark plug 2 with plug socket and hold to ground 3 Pull out. starter cable If no spark is produced repeat procedure with new spark. Note Switch 4 must be in position I, 4 1 4 Combustion and motor performance will be improved if the spark plugs. function properly Dirty or faulty spark plugs should therefore be. cleaned or replaced, The spark plug pictured a has serious oil carbon deposits. Clean or replace spark plug, This spark plug b is showing signs of wear burning off on the. middle electrode Spark plug must be replaced,wc gr001388.
wc tx000299gb fm 10,BTS Repair Ignition System,4 2 Replacing the plug connector. See Graphic wc gr001389, Hold the plug connector spring using pointed pliers and push the. rubber cap backwards over the ignition cable, Note Grease the ignition cable slightly beforehand. wc gr001389,wc tx000299gb fm 11,Ignition System BTS Repair. 4 3 Removing assembling the ignition short circuit cable. See Graphic wc gr001390 wc g001391 wc gr001392 and wc gr001393. 4 3 1 Unscrew the starter device that is fixed with 4 screws a. 4 3 2 Unscrew filter hood, 4 3 3 Remove ignition and short circuit cable from the guide 1 of the hood.
4 3 4 Remove hood to do this unscrew the 3 screws 2. 4 3 5 The screw 2a also holds the grounding wire,4 3 6 Unscrew ignition from the ignition armature. 4 3 7 Loosen short circuit cable from the socket connection b. 4 3 8 Loosen the hose clamp 3 of the intake hose,4 3 9 Pull the suction hose 4 off the cylinder. 4 3 10 Loosen the locking device of the intake elbow from the tank housing. To do this push both levers inwards arrows and lift the intake elbow. 4 3 11 Push throttle control rod towards the cylinder using pointed pliers. pulling upwards out of the guide of the gas grip c. 4 3 12 Remove intake elbow with carburetor and choke shaft from the tank. 4 3 13 Pull short circuit cable 5 from its place in the choke shaft 6. 4 3 14 Loosen grounding wire 7 from the socket connection of the contact. wc gr001390,b wc gr001391,wc tx000299gb fm 12,BTS Repair Ignition System. wc gr001392,Assembling, 4 3 1 When mounting the short circuit cable make sure that the connection. between the connector lug of the short circuit cable and the contact. spring is in order a, 4 3 2 Twist ignition cable into the ignition armature.
Note To prevent moisture leaking in fill protective cap 4 with silicone. before replacing, 4 3 3 As a safety measure lay the short circuit cable in the brackets. underneath the ignition cable during assembly b,wc gr001393. www wackergroup com Cut Off Saws BTS 930 8340 BTS 935 8341 BTS 1030 8339 BTS 1035 7975 REPAIR MANUAL 0118754en 005 0903 0118754 EN

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