ICS 695GC/F4 Service Manual
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ICS 695GC/F4 Service Manual

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695GC/F4
SERVICE MANUAL
©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529

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  • Page 1 695GC/F4 SERVICE MANUAL ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 2: Table Of Contents

    REAR HANDLE FUEL TANK & COMPONENTS CRANKCASE CARBURETOR TUNING IDLE SPEED ADJUSTMENT TROUBLESHOOTING DIAGRAMS TROUBLESHOOTING: FUEL SYSTEM TROUBLESHOOTING: CRANKCASE LEAKS APPENDIX 1. SPARK PLUG REFERENCE GUIDE ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 3: Service Manual Use

    This manual contains all the technical information necessary for carrying out repairs on the 695GC/F4 saw. For safe, efficient work, it is of prime importance that the values indicated be adhered to. Routine periodic maintenance is covered in the operator’s manual included with each saw.

  • Page 4: Tools

    FORCE4™ Bar Nose Sprocket Repair Kit (for 695F4) not shown 505882 2-Stroke Oil, 25:1 Mix, 5.2 oz. (158 ml) (6-pack) not shown 505883 2-Stroke Oil, 25:1 Mix, 5.2 oz. (158 ml) (24-pack) ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 5: Saw Specifications

    Water Supply Minimum 20 psi (1.5 bar) Noise Level 112 dB(A) at 3 ft (1 m) Vibration Level 3.9 m/s (front handle) 4.1 m/s (rear handle) ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 6: Serial Number Location

    3. SERIAL NUMBER LOCATION 695GC/F4 SERVICE MANUAL 3. This section shows the single location of the serial number. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 7: Spare Parts Diagram

    STARTER PULLEY KIT 544127 SCREW 543974 RECOIL SPRING 544021 STARTER CORD 544023 STARTER HANDLE 544024 SCREW 7 - 9 60 - 78 544012 STARTER COVER SHIELD 544026 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 8 89 - 105 544038 FLYWHEEL 544053 STARTER PAWL KIT (INCL. TWO OF EACH ITEM) 544125 FLYWHEEL WASHER 544058 FLYWHEEL NUT 25 - 30 216 - 264 544059 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 9 543912 WALLWALKER 544130 ® WALLWALKER SCREW 543920 ® WATER PIPE 543915 WATER PIPE SCREW 546548 BAR BRACKETS 543916 CLUTCH ASSEMBLY 547856 CLUTCH SPRING 543928 SHIELD 544137 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 10 SIDE COVER NUT 27 - 34 240 - 300 543900 SIDE COVER NUT CIRCLIP 543901 TENSIONER COVER PLATE SCREW 543902 SCREW, SIDE COVER CAP 543903 TENSIONER 543904 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 11 MUFFLER MOUNTING WASHER 543847 DECOMPRESSION VALVE 543848 CYLINDER BASE GASKET 543937 NEEDLE BEARING 543949 MUFFLER MOUNT KIT 543950 GASKET KIT 543936 SEALING RING 543931 CRANKCASE GASKET 543933 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 12 CRANKCASE GASKET 543933 MAIN BEARING 543934 RUBBER BUSHING 543935 GASKET KIT 543936 CYLINDER BASE GASKET 543937 MUFFLER GASKET 543938 BAR STUD KIT 544129 BAR BRACKET NUT 543941 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 13 4. SPARE PARTS DIAGRAM 695GC/F4 SERVICE MANUAL CRANKSHAFT ASSEMBLY TORQUE LOCTITE ® DESCRIPTION PART NUMBER in‑lbs. CRANKSHAFT ASSEMBLY 543952 MAIN BEARING 543934 CRANKSHAFT SHIELD 543953 NEEDLE BEARING 543949 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 14 4. SPARE PARTS DIAGRAM 695GC/F4 SERVICE MANUAL COMPLETE ENGINE ASSEMBLY TORQUE LOCTITE ® DESCRIPTION PART NUMBER in‑lbs. CRANKCASE W/PISTON & CYL COMPLETE 544121 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 15 MANIFOLD BRACKET 544112 AIR INTAKE MANIFOLD 544113 AIR FILTER BRACKET 544114 CARBURETOR MOUNTING SCREW 544115 THROTTLE CABLE ASSEMBLY 543975 CHOKE LEVER 544117 CARBURETOR REPAIR KIT 544118 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 16 FILTER COVER FRONT SCREW 544061 FILTER COVER 544062 AIR INTAKE INSERT 544063 AIR FILTER 544064 CYLINDER COVER SCREW 544065 CYLINDER COVER ASSEMBLY 544066 CYLINDER COVER SEALS 544067 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 17 543995 GROMMET 543978 GAS TANK CAP ASSEMBLY 543979 SHOCK ABSORBER SCREW 543981 SHOCK ABSORBER CLUTCH SIDE 543982 SHOCK ABSORBER FRONT 543983 SHOCK ABSORBER FLYWHEEL SIDE 543984 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 18 SHOCK ABSORBER, FRONT HANDLE 544003 SCREW, SHOCK ABSORBERS 543981 CLIP, FRONT HANDLE 544008 SCREW, FRONT HANDLE 544009 GUARD FLAP 544010 BACKING PLATE, GUARD FLAP 544011 SCREW, GUARD FLAP 544012 ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 19: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 20: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 21 695GC/F4 SERVICE MANUAL 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 22: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 23 7.SIDE COVER & TENSIONER 695GC/F4 SERVICE MANUAL Inspect side cover, nut and circlip. Replace if damaged. Circlip can be removed with a large flathead screwdriver. Assemble in reverse order. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 24: Clutch & Rim Sprocket

    Rim sprocket removal procedure. Using flat head screwdriver, remove retaining ring. * Use caution when removing retaining ring to prevent damage to the split retainer or crankshaft. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 25 (P/N 70949). • Replace if the rim sprocket teeth are worn to points as shown on right. Rim sprocket assembly. • Assemble in reverse order. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 26 • Apply grease to needle bearing prior to reinstalling. Clutch removal. • Remove clutch cup & rim sprocket first. Insert piston stop tool into spark plug hole. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 27 • Rotate clockwise to remove clutch (clutch is left-handed thread). Clutch is marked with arrow (off) for direction of removal. 8.10 Inspect clutch shoes (P/N 543927) for excessive wear or damage. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 28 8. CLUTCH & RIM SPROCKET 695GC/F4 SERVICE MANUAL 8.12 Height of clutch shoes should not be less than 1 mm. 8.12 Inspect and clean springs if necessary. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 29 Fit springs. • Turn the clutch so the word “OFF” is facing down. • Push the spring hook into its hole by using a pointed tool. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 30: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 31 Pulley removal from spring. Remove the center screw and components. Note the orientation of the parts. refer to photo (9.7). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 32 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 33 • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 34 • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 35: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 36 T27 (P/N 546191). 10.5 Remove bracket screw (P/N 544072). Remove air intake manifold (P/N 544113). Inspect for damage. 10.6 Remove fuel line, check valve tube and carburetor. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 37 10. CARBURETOR REMOVAL 695GC/F4 SERVICE MANUAL 10.7 Remove throttle cable from carburetor. 10.8 Remove clutchside flange screw (P/N 544072) and screw (P/N 544065). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 38 • 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”. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 39: Muffler/W Bar Stud

    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. ® ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 40: Muffler/W 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. ® ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 41: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 42: Stop Switch

    14. STOP SWITCH 695GC/F4 SERVICE MANUAL 14.1 Remove stop switch (P/N 544031). Disconnect cable wire. 14.2 Remove screw (P/N 544030). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 43 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. ® ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 44: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 45: Cylinder & Piston

    Remove shock absorber screw (see sec- CLAMP tion 16.1). Remove inlet boot and clamp. Set aside BOOT shock absorber, boot & clamp for reassembly later (see section 10.9). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 46 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 47 695GC/F4 SERVICE MANUAL 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 48 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 49 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 50 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). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 51: 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). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 52 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 53: 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). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 54 (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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 55 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 56 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 57: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 58 Remove the (2) shock absorber screws from the clutch side of the saw. 19.6 Remove the (2) shock absorber screws from the flywheel side of the saw. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 59 19.8 Inspect Tank Vent Assembly. Location of the tank vent on a disassembled saw. 19.9 Location of the tank vent on an assembled saw. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 60 695GC/F4 SERVICE MANUAL 19.10 Inspect the tank vent and replace if damaged. Refer to troubleshooting (section 25) if necessary. 19.11 Inspect fuel tank for damage. Replace if damaged. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 61 Purge bulb circuit. Refer to troubleshooting (section 24) if necessary. 19.14 Disconnect the purge bulb tube, return line (P/N 543995) and disconnect check valve tube (P/N 543994). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 62 Refer to troubleshooting (section 24) if necessary. 19.17 Reassemble in reverse order. Check valve tube must be inserted back into channel and connected to fuel line with clip. (P/N 543818). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 64 20.5 Lift off the seal and inspect the shaft for damage. 20.6 Lubricate the shaft with High Pressure Grease. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 73 Ensure the connecting rod is not pinched against the case. 20.33 Install the (2) crankcase guide pins. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 74 Lubricate and assemble the flywheel side of the crankcase using the same method, with the M8 standard thread mandral. Ensure the connecting rod does not become pinched between the crankcase halves. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 75 20.37 Tighten the screws to 106 - 124 in-lbs./ 12 - 14 Nm using an “x” pattern. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 76 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). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 77: 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 saw. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 78 L= 1 5/8 turns from closed. Insert the tuning screw driver into the crankcase slot. Note the H screw is on the right as seen in the picture. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 79 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 80: Idle Speed Adjustment

    NOTE: pulse the throttle to stablize the system. Once the carburetor is adjusted, install the chain to the proper tension and continue normal operations. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 81: Troubleshooting Diagrams

    • Replace clutch spring. • Replace shock absorbers. • Damaged shock absorber. Excessive vibration. • Replace flywheel. • Damaged or broken flywheel fins. • Replace crankshaft. • Bent crankshaft. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 82 • Repair or replace fuel tank carburetor? • Plugged fuel tank breather breather Is the flywheel key • Loose flywheel • Replace flywheel sheared? ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 83: Troubleshooting: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 84 The fuel tank breather stabilizes the pressure in the fuel tank preventing both excessive pressure, which could flood the engine and negative pressure which could starve the engine of fuel. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 85 Pressurize the tube to 4.5 psi (0.3 bar). The pressure should reduce to nearly 0 psi (0 bar) over a period of 3 seconds. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 86 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 87: Troubleshooting: 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). ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 88 Note: it is recommended to pressure test the engine after a piston and cylinder rebuild, and or crank seal replacements. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

  • Page 89: 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. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 90 Gap if necessary to 0.02” (0.5 mm). 695GC: Champion RCJ‑6Y or NGK‑BPMR7A 695F4: Champion RCJ‑6Y or NGK‑BPMR7A Assemble in the reverse order. Make sure the plug boot is seated completely. ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...
  • Page 91 695 SERVICE MANUAL ICS ‑ Blount Inc. 4909 SE International Way Portland, OR 97222 Tel 800.321.1240 Fax 603.653.4393 icsbestway.com ©2012 ICS - Blount Inc, Specifications subject to change without notice. REV11272012 P/N 546529...

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