ICS 695XL Service Manual
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ICS 695XL Service Manual

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695XL
SERVICE MANUAL
©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901

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Summary of Contents for ICS 695XL

  • Page 1 695XL SERVICE MANUAL ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 2: Table Of Contents

    CARBURETOR TUNING ..............76 IDLE SPEED ADJUSTMENT80 ..........78 DIAGRAMS ................... 79 FUEL SYSTEM ..................81 CRANKCASE LEAKS ..............84 SPARK PLUG REFERENCE GUIDE .......... 86 ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 3: Service Manual Use

    These are noted in the service manual. • Detailed carburetor maintenance and overhaul information is available in Walbro’s Diaphragm Carburetor Service Manual. Walbro can be contacted at http://www.walbro.com or by calling 1.520.877.3000. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 4: Tools

    530046 FORCE4™ Bar Nose Sprocket Repair Kit (for 695F4) not shown 571227 OIL, 2-STROKE 2.6 OZ(6-PACK) not shown 571228 OIL, 2-STROKE 2.6 OZ (24-PACK) ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 5: Power Cutter Specifications

    NGK BPMR7A or Champion RCJ6Y Spark Plug Electrode gap 0.5 mm (0.020 in) (1) Measured in accordance with ANSI S12.51-2012/ISO3741:2010 (2) Measured in accordance with ISO5349-1:2001, ISO22867:2011 and ISO19432:2012 ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 6: Serial Number Location

    695XL SERVICE MANUAL 3. SERIAL NUMBER LOCATION 3. This section shows the single location of the serial number. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 7: Spare Parts Diagram

    Description 544013 STARTER COVER ASSEMBLY 544127 STARTER PULLEY KIT 543974 SCREW 544021 RECOIL SPRING 544023 STARTER CORD 544024 STARTER HANDLE 544012 SCREW 544026 STARTER COVER SHIELD ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 8 PROTECTIVE SLEEVE 544036 IGNITION MODULE 544038 IGNITION MODULE SCREW 544053 FLYWHEEL 544125 STARTER PAWL KIT (INCL. TWO OF EACH ITEM) 544058 STARTER WASHER 544059 STARTER NUT ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 9 CRANK CASE BOLT 544130 WALLWALKER ® 543920 WALLWALKER SCREW ® 543915 WATER PIPE 546548 WATER PIPE SCREW 543916 BAR BRACKET 547856 CLUTCH KIT 543928 CLUTCH SPRING 544137 SHIELD ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 10 Part No. Description 543899 SIDE COVER ASSEMBLY 543900 SIDE COVER NUT 543901 SIDE COVER NUT CIRCLIP 543902 TENSIONER COVER PLATE 543903 SCREW, SIDE COVER CAP 543904 TENSIONER ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 11 LOWER MUFFLER MOUNTING SCREW 543847 MUFFLER MOUNTING WASHER 576166 DECOMPRESSION VALVE 576165 CYLINDER BASE GASKET 543949 NEEDLE BEARING 543936 GASKET KIT 543931 SEALING RING 543933 CRANKCASE GASKET ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 12 CRANKCASE GASKET 543934 MAIN BEARING 543935 RUBBER BUSHING 543936 GASKET KIT 543937 CYLINDER BASE GASKET 543938 MUFFLER GASKET 544129 BAR STUD KIT 543941 BAR BRACKET FASTENER ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 13 695XL SERVICE MANUAL 4. SPARE PARTS DIAGRAM CRANKSHAFT ASSEMBLY Key # Part No. Description 543952 CRANKSHAFT ASSEMBLY 543934 MAIN BEARING 543953 CRANKSHAFT SHIELD 543949 NEEDLE BEARING ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 14 544114 AIR FILTER BRACKET 544115 CARBURETOR MOUNTING SCREW 543975 THROTTLE CABLE ASSEMBLY 544117 CHOKE LEVER 576161 CARBURETOR REPAIR KIT (Only for 695XL, will not fit 695GC/F4/PG) ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 15 PLUG (may be required on older 695GC/F4 models) 544062 FILTER COVER 544063 AIR INTAKE INSERT 544064 AIR FILTER 544065 CYLINDER COVER SCREW 544067 CYLINDER COVER SEALS 544066 CYLINDER COVER ASSEMBLY ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 16 PURGE BULB TUB 543979 GAS TANK CAP ASSEMBLY 543981 SHOCK ABSORBER SCREW 543982 SHOCK ABSORBER CLUTCH SIDE 543983 SHOCK ABSORBER FRONT 543984 SHOCK ABSORBER FLYWHEEL SIDE ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 17 SHOCK ABSORBER, FRONT HANDLE 543981 SCREW, SHOCK ABSORBERS 544008 CLIP, FRONT HANDLE 544009 SCREW, FRONT HANDLE 576679 MUD FLAP 544011 BACKING PLATE, MUD FLAP 544012 SCREW, MUD FLAP ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 18: Air Intake

    Loosen the air filter cover screws and remove the air filter cover. Loosen air filter screw. • Inspect air filter for dirt or damage. • Replace with P/N 544064. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 19: Spark Plug

    Inspect spark plug. • If it’s dirty, clean with a wire brush. • Replace spark plug if fouled or erroded. USE NGK BRMR7A or Champion RCJ6Y. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 20 6. SPARK PLUG Gap if necessary to 0.20” (0.5mm). Assemble in reverse order ensuring that the spark plug is properly engaged in threads and fully seated. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 21: Side Cover & Tensioner

    Note the orientation of the tensioner assembly. Inspect tensioner and replace if needed. • Clean tensioner threads and liberally apply grease to threads prior to assembly. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 22 7.SIDE COVER & TENSIONER Inspect side cover, nut and circlip. Replace if damaged. Circlip can be removed with a large flathead screwdriver. Assemble in reverse order. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 23: Clutch & Rim Sprocket

    Using flat head screwdriver, remove retaining ring. * Use caution when removing retaining ring to prevent damage to the split retainer or crankshaft. Remove the split retainer and spacer. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 24 Rim sprocket assembly. • Assemble in reverse order. Remove clutch cup and needle bearing. • Apply grease to needle bearing prior to reinstalling. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 25 • Remove clutch cup & rim sprocket first. Insert piston stop tool into spark plug hole. Remove clutch with clutch tool (P/N 546659). • Rotate clockwise to remove clutch (clutch is left-handed thread). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 26 CHECK - I can’t find this p/n in the RPPL) for excessive wear or damage. 8.12 Height of clutch shoes should not be less than 1 mm. 8.12 Inspect and clean springs if necessary. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 27 Fit springs. • Turn the clutch so the word “OFF” is facing down. • Push the spring hook into its hole by using a pointed tool. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 28: Starter System

    Relieve spring tension in starter recoil. • Pull 6 - 8 in (15 - 20 cm) of rope out. • Line up rope with notch in pulley. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 29 Pulley removal from spring. Remove the center screw and components. Note the orientation of the parts. refer to photo (9.7). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 30 E. Align notch in spring housing with end of spring. Inspect rope (P/N 544023) and pulley (P/N 544127). Replace if necessary. Note the orientation of the knot. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 31 • Wind rope onto pulley clockwise, leaving 6-8 in (15 - 20 cm) of rope out. • Ensure the pulley spring catch is installed on the spring hook. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 32 • Rope must fully retract into starter cover. 9.15 Install starter cover. • Pull starter rope to engage starter pawls and seat cover. • Tighten side cover screws. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 33: Carburetor Removal

    10.2 Carburetor Removal. Remove choke lever (P/N 544117). 10.3 Lift up choke lever and rotate 90 degrees then pull out from carburetor. Install in reverse order. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 34 T27 (P/N 546191). 10.5 Remove flange screw (P/N 544072). Remove air intake manifold (P/N 544113). Inspect for damage. 10.6 Remove fuel line, check valve tube and carburetor. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 35 695XL SERVICE MANUAL 10. CARBURETOR REMOVAL 10.7 Remove throttle cable from carburetor. 10.8 Remove clutchside flange screw (P/N 544072) and screw (P/N 544065). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 36 • Cylinder must be loosened in order to remove the inlet boot. • Install in reverse order. • Using Loctite 242 for screws. ® • Note orientation of plate “UP”. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 37: Muffler

    Inspect and replace if damaged. • Muffler (P/N 543845). • Muffler gasket (P/N 543938). • Heat Deflector (P/N 543844). Reassemble in reverse order using Loctite 242. ® ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 38: Guide Bar Stud

    Using a 6 mm allen or hex head, remove (2) bolts holding bar stud. 12.3 Inspect bar stud (P/N 544129). • Replace if damaged. • Install in reverse order using Loctite 242. ® ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 39: Ignition Module

    • Torque ignition coil screws to 89-105 in/lbs (10 - 12 Nm). • Remove gauge, rotate flywheel and check for clearance. • Connect stop switch cable. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 40: Stop Switch

    695XL SERVICE MANUAL 14. STOP SWITCH 14.1 Remove stop switch (P/N 544031). Disconnect cable wire. 14.2 Remove screw (P/N 544030). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 41 Pull the right side out first. • Replace switch if damaged. • Install in reverse order. • Switch will snap back into place. • Use Loctite 242 only on screw. ® ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 42: Water Hose

    (P/N 543915) and water valve (P/N 543996). Replace if damaged. 15.2 Release clip from water inlet pipe. Pull hose upward. Inspect hose and water inlet pipe, replace if damaged. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 43: Cylinder, Piston & Decompression

    Remove shock absorber screw (see CLAMP section 16.1). Remove inlet boot and clamp. Set aside BOOT shock absorber, boot & clamp for reassembly later (see section 10.9). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 44 Remove wrist pin clip from each side of piston. 16.4 Remove wrist pin using the wrist pin punch (P/N 543196). Remove piston and cylinder base gasket. 16.5 Clean crankcase. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 45 16. CYLINDER & PISTON 16.6 Inspect cylinder and piston (P/N 543843) replace if damaged. 16.7 Install piston rings. Install lower piston ring first. 16.8 Note the ring locator pins. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 46 Lubricate crankcase gasket mating surface with ICS 2-stroke oil. ® Install cylinder base gasket. 16.11 Lubricate needle roller with ICS 2-stroke ® oil. Insert into the connecting rod. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 47 Make sure wrist pin clip is in the proper orientation. See 16.15 16.14 Align the piston in correct orientation. Arrow on top of the piston points towards the muffler/exhaust port. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 48 Align cylinder screw with holes on gasket & crankcase. 16.17 Install (4) cylinder screws using Loctite 242. Torque to 132-156 in-lbs ® (15 - 18 Nm). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 49: Bottom Guard/Front Handle

    Inspect guard flap for damage (P/N 544010) replace if damaged. Reassemble in reverse order using Loctite 242. ® 17.2 Remove (2) screws from lower front handle (P/N 544009). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 50 Lift up crankcase and remove handle, inspect and replace if damaged. Install in reverse order Use Loctite 242 on all screws except ® shock absorber screw. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 51: Rear Handle

    18. This section covers the removal, inspection and installation of the rear handle. 18.1 Remove screw from rear handle (P/N 543974). 18.2 Remove rear handle cover (P/N 543816). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 52 (2) parallel pins (P/N 543813) from the rear handle housing. 18.5 Pull the throttle trigger and spring (P/N 543977) down from the rear handle. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 53 18.6 Remove throttle cable (P/N 543975) See section 10 to remove cable from carburetor. 18.7 Remove cable lever (P/N 543814) using needle nose pliers pulling up. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 54 18.9 Remove throttle cable through the front of the handle. 18.10 Inspect all throttle component parts. • Replace if damaged. • Reassemble in reverse order. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 55: Fuel Tank & Components

    Use a small hook to remove filter from gas tank. 19.3 Remove fuel filter. • Pull up on hose clamp (P/N 543970). • Pull down on fuel filter. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 56 Remove the (2) shock absorber screws from the clutch side of the power cutter. 19.6 Remove the (2) shock absorber screws from the flywheel side of the power cut- ter. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 57 19.9 Location of the tank vent on an assembled power cutter. NOTE: The breather assembly can be removed without removing the fuel tank. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 58 The hole is directly in line with the breather assembly. 19.12 Using a small pick or Allen wrench, push the breather assembly up and out of the breather hole ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 59 Assemble the tank vent elbow and tank vent by pressing together. 19.14 Insert the breather assembly by pressing directly over the elbow (see arrow at right) and vent into the breather hole. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 60 19. FUEL TANK & COMPONENTS 19.15 Inspect the tank vent and replace if damaged. Refer to troubleshooting (section 25) if necessary. 19.16 Inspect fuel tank for damage. Replace if damaged. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 61 Purge bulb circuit. Refer to troubleshooting (section 24) if necessary. 19.19 Disconnect the purge bulb tube, return line (P/N 543995) and disconnect check valve tube (P/N 543994). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 62 Refer to troubleshooting (section 24) if necessary. 19.22 Reassemble in reverse order. Check valve tube must be inserted back into channel and connected to fuel line with clip. (P/N 543818). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 63: Crankcase

    A.) Insert T-handle puller over the shaft. B.) Apply downward pressure to the T-handle and turn the barrel clockwise with a wrench to thread into the seal. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 64 20.5 Lift off the seal and inspect the shaft for damage. 20.6 Lubricate the shaft with High Pressure Grease. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 65 Use caution as seal slides over the threads. 20.8 Use the punch and soft mallet to tap seal into place. 20.9 Repeat procedure for the flywheel side. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 66 Use pressure gauge to perform a leak down test. Pressure should hold at 7 psi (0.5 bar). 20.12 Crankcase separation. The universal puller and grip plate are required to separate the crankcase. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 67 See seal removal. 20.14 Install grip plate on the clutch side of the crankcase. 20.15 Attach universal puller and press out the crank shaft. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 68 20.17 Separated crankcase halves with bearings installed. 20.18 If the bearing(s) remain on the shaft upon separation, the bearing removal tool must be used. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 69 Install the bearing puller and press the bearing off the shaft. 20.21 Crankcase bearing tools. These tools are required to remove the bearing from the crankcase. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 70 20.23 Bearing installation. Bearing press tools. 20.24 Place the bearing on the bearing support plate. Holding the bearing support plate under the crankcase half. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 71 Hold the screw in place and turn the nut until the bearing stops against the crankcase. Repeat the process for the other half of the crankcase. 20.27 Bearing Tools. Shaft Sleeve. Shaft Mandrels. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 72 Crankshaft install. Secure clutch side crankcase face down, so the connecting rod is not pinched against the crankcase. 20.30 Slide the clutch side shaft through the bearing. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 73 Ensure the connecting rod is not pinched against the case. 20.33 Install the (2) crankcase guide pins. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 74 Ensure the connecting rod does not become pinched between the crankcase halves. 20.36 Loctite 242 and prefit the (8) screws and ® align the guide pins before bringing the crankcase together. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 75 Tap both sides of the shaft with a soft mallet and ensure free movement of shaft and connecting rod. 20.39 Install shaft seals (refer to section 20.7). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 76: Carburetor Tuning

    C.). High speed jet. D.). Model number. 21.2 Tools required: Tuning screwdriver. Flat screwdriver. Tachometer. 21.3 Carburetor adjustment. Tachometer is required for proper tuning of the power cutter. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 77 21.7 Turn the screws counter clockwise to the carburetor basic settings. Carburetor basic setting: H= 1 1/2 turns from closed. L= 1 5/8 turns from closed. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 78: Idle Speed Adjustment80

    NOTE: pulse the throttle to stablize the system. Once the carburetor is adjusted, install the chain to the proper tension and continue normal operations. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 79: Diagrams

    • Replace clutch spring. • Damaged shock • Replace shock absorber. Excessive absorbers. • Damaged or broken vibration. • Replace flywheel. flywheel fins. • Replace crankshaft. • Bent crankshaft. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 80 • Plugged fuel tank • Repair or replace fuel tank carburetor? breather breather Is the flywheel key • Loose flywheel • Replace flywheel sheared? ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 81: Fuel System

    24.3 Remove and inspect the fuel filter. Replace the fuel filter if the filter is excessively dirty or there is foreign material stuck to it. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 82 24.7 The fuel breather is located above the fuel cap on top of the fuel tank. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 83 Inspect fuel purge lines and one way purge valve for leaks or damage. The arrow is the purge flow direction. Replace if damaged. See fuel tank section. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 84: Crankcase Leaks

    Securely plug or tape over the clutch needle roller lubrication port on the crankshaft. Clutch cup and needle roller must be removed. See Clutch Cup and Rim Sprocket Section (section 8). ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 85 Note: it is recommended to pressure test the engine after a piston and cylinder rebuild, and or crank seal replacements. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

  • Page 86: Spark Plug Reference Guide

    Clean area around the spark plug to prevent debris from entering the cylinder. Remove the spark plug. Inspect the spark plug. If dirty, clean with a wire brush as shown. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 87 26. SPARK PLUG Gap if necessary to 0.02” (0.5 mm). Champion RCJ-6 or NGK-BPMR7A Assemble in the reverse order. Make sure the plug boot is seated completely. ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...
  • Page 88 Tel 800.321.1240 Fax 503.653.4393 ICS, Blount Europe S.A. Rue Emile Francqui, 5 1435 Mont-Saint-Guibert, Belgium Tel +32 10 301 251 Fax +32 10 301 259 icsdiamondtools.com ©2017 ICS - Blount Inc, Specifications subject to change without notice. REV19JUNE2017 P/N 598901...

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