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F/N 70944 Oct 09 

© 2009 ICS, Blount Inc.

TITLE

633GC / 633F4 OPERATOR’S MANUAL

17

MAINTENANCE

Follow these simple maintenance guidelines

and the 633GC Concrete Cutting Saw will keep running at its very best.

AFTER EACH USE

1.  Rinse the saw, guide bar and diamond chain with water.

2.  Follow instructions on the Daily Maintenance Label, located on the air filter cover. 

3.  Inspect and tighten all fasteners as necessary.

4.  Inspect drive sprocket for tooth wear and replace if tooth tips are pointed.

5.  Inspect the starter cord. Replace if frayed.

6.  Clean air filter. Inspect the air filter for holes. Replace as necessary.

7.  Spray saw, guide bar, and chain with lightweight oil.

8.  Grease the chain tensioner.

AFTER 10 HOURS OF USE

1.  Remove the starter cover and lubricate the starter recoil spring. Clean the flywheel fins and the 

starter pawls with a wire brush, then grease the starter pawls.

2.  Remove the spark plug and clean with a wire brush. Check the electrode gap.

 

The correct gap is 0.020 inches (0.5mm).

AFTER 40 HOURS OF USE

1.  Change the spark plug. Adjust the electrode to 0.020 inches (0.5mm).

2.  Check the fuel filter located inside the fuel tank. Clean or replace if clogged

Summary of Contents for 633F4

Page 1: ...F N 70944 Oct 09 2009 ICS Blount Inc 633GC 633F4 OPERATOR S MANUAL ...

Page 2: ...s manual outlines the maintenance and operation of ICS manufactured products The 633GC 633F4 chainsaw is designed to cut concrete stone and masonry when used with the appropriate genuine ICS Diamond Chain Ductile iron pipe may be cut ONLY if using PowerGritTM Utility Saw Chain To get the maximum benefit from your saw and ensure maximum safety be sure to read this manual thoroughly and periodically...

Page 3: ...erious injury A potentially hazardous situation exists which if not avoided may result in minor or moderate injury or property damage A potential situation exists which if not avoided may result in product or property damage THE FOLLOWING SYMBOLS LABELS MAY BE FOUND IN THIS MANUAL OR ON THE SAW Read the operator s manual carefully and understand the contents before you use this equipment Always us...

Page 4: ...ard flap provides protection against contact with moving parts ejected debris broken diamond chain thrown water and concrete slurry DO NOT operate a saw with loose missing damaged or improperly repaired parts DO NOT install or run the chain backwards The bumper must lead the segment into the cut DO NOT insert a diamond chainsaw into a slot narrower than the chain segments Rapid pushback might occu...

Page 5: ...r pressure of 20 psi 1 5 bar Insufficient water supply may result in excessive wear to the chain which can lead to loss of strength and chain breakage Never start a diamond chainsaw unless the bar chain and side cover are properly installed GENERAL SAFETY PRECAUTIONS Always wear protective clothing including hard hat eye protection hearing protection and gloves Avoid loose fitting clothing Perform...

Page 6: ... all moving parts especially the piston rings To break in the engine run one full tank of 25 1 fuel at idle cycling the throttle every 5 to 10 minutes to prevent loading Failure to break in an engine may result in piston seizure This engine is designed to be operated on premium unleaded gasoline Use high quality unleaded gasoline with a minimum octane rating of 90 If lower octane gasoline is used ...

Page 7: ...nd diamond chain Cut Depth 14 in 36cm 16 2 in 41cm Bar Lengths 14 in 36cm 16 2 in 41cm Carburetor Walbro WGAK3 Throttle shaft sealed Ignition Selettra electronic Water resistant Clutch Centrifugal three shoe single spring Fuel ratio 25 1 gasoline to oil Fuel Capacity 0 26 gallon 1 liter 12 15 minutes run time per tank Water Supply Minimum 20psi 1 5 bar Water Flow Minimum 2 gpm 8 lpm Noise Level 10...

Page 8: ...ND CHAIN INSTALLATION STEP 3 Mount the diamond chain on the guide bar starting at the drive sprocket and continue over the guide bar nose Install the diamond chain correctly If using a single bumper chain the bumper must always lead the segment into the cut as shown here STEP 4 Install the side cover STEP 2 Place bar onto studs and chain adjustment pin ...

Page 9: ...n without turning the chain which can chew up the chain drive links If the chain is too tight a lot of the saw s power goes into turning the chain rather than into the cut In extreme over tightened cases the saw may not be able to turn the chain at all In addition damage can occur to the bar nose and premature stretch may occur See Note 1 STEP 8 Before cutting check for proper tension by pulling t...

Page 10: ...guide bar The diamond chain should be tight but be able to be pulled around the guide bar by hand Note 3 To prevent chain tensioner breakage be sure the side cover nuts are tightened to approximately 20 ft lbs 27Nm GUIDE BAR AND DIAMOND CHAIN INSTALLATION STEP 9 Continue to lift up on the nose of the guide bar and firmly tighten the side cover nuts NOTE To prevent chain tensioner breakage be sure ...

Page 11: ...ghtly to prevent moisture from getting into the fuel Always begin mixing fuel by adding half the amount of gasoline to be used Then add the correct amount of two stroke oil for 25 1 mixture and finish filling the container with gasoline Do not mix more than one month s supply of fuel This helps prevent the separation of the two stroke oil from the gasoline varnishing If the saw is not used for an ...

Page 12: ...to idle Pull on the throttle trigger several times to help warm up the engine 13 Open the water valve completely CAUTION STARTING AND STOPPING A DIAMOND CHAINSAW Never start a diamond saw without the bar chain and side cover properly assembled Otherwise the clutch can come loose and cause personal injuries Always move a diamond chainsaw at least 10 feet 3 m away from the fueling area before starti...

Page 13: ... of 20 psi 1 5 bar PLANNING THE CUT Select the proper chain type for the material being cut Outline the cut with a permanent marker for a visual cutting guide Avoid pinching the guide bar and chain Always cut the bottom of an opening first then top and then the sides Save the easiest cut for last For the straightest cuts use the Step Cut method First score the entire cut line approximately a half ...

Page 14: ...hter cut and more quickly enable the use of the Wallwalker Use the fixed Wallwalker to help cut more efficiently and reduce operator fatigue The fixed Wallwalker is a fulcrum that can be used to apply additional force when cutting To use correctly plunge into the wall and simply engage the point of the fixed Wallwalker into the cut and pry upward with the rear handle As the saw begins to rotate up...

Page 15: ... will minimize rust and help reduce slurry build up CUTTING DUCTILE IRON PIPE WITH THE POWERGRITTM UTILITY SAW CHAIN NEVER cut ductile iron pipe with the saw unless using PowerGrit Utility Saw Chain The following are safety precautions that should always be followed when using PowerGrit Before cutting make sure the pipe is in a safe condition to be cut Support the work piece in such a way that the...

Page 16: ... pointed 5 Inspect the starter cord Replace if frayed 6 Clean air filter Inspect the air filter for holes Replace as necessary 7 Spray saw guide bar and chain with lightweight oil 8 Grease the chain tensioner AFTER 10 HOURS OF USE 1 Remove the starter cover and lubricate the starter recoil spring Clean the flywheel fins and the starter pawls with a wire brush then grease the starter pawls 2 Remove...

Page 17: ...oline and dry with high pressure air If spit back screen is dirty the saw will not reach full RPM During re assembly tighten air filter wing nut finger tight plus an 1 8 of a turn with wrench STARTER HOUSING ASSEMBLY It is common for concrete slurry to get inside the starter housing assembly during cutting This can cause the starter pawls to stick and not engage when the rope is pulled IMPORTANT A...

Page 18: ... one end of the rope and thread the rope through the o Starter rope washer then o Starter rope pulley then o Starter cover then o Starter rope handle then o Starter rope retainer Tie a knot to lock the end of the rope in the starter rope retainer Reseat the starter rope retainer in the starter rope handle Replace the pulley in the starter cover Use blue Loctite 242 on the starter pulley screw TENS...

Page 19: ...mage Side cover nuts are not tight enough Side cover nuts should be torqued to 20 ft lbs 27Nm Chain tensioning is attempted without loosening the side cover nuts Concrete debris in tensioner pocket Figure 2 Chain Tensioner MAINTENANCE STARTER HOUSING ASSEMBLY To reattach the starter housing first pull the starter cord out then hold the starter housing against the crankcase Figure 1 Slowly release ...

Page 20: ...en used Inspect the rim sprocket for wear Replace the rim sprocket if the drive teeth become pointed Check the drive sprocket bearing by spinning clutch cup Replace the bearing if it is worn out The needle bearing on the drive shaft must be greased regularly use high quality water resistant bearing grease Figure 1 Clutch Cup Splined Adapter Rim Sprocket DRIVE SPROCKET REMOVAL Remove the side cover...

Page 21: ...LLATION Slide the rim sprocket onto the splined adapter either side out Apply a liberal amount of grease to the needle bearing Place the thin metal washer onto drive shaft Slide the needle bearing and clutch cup w rim sprocket onto shaft Figure 1 Install the clutch by turning it counter clockwise on the drive shaft and firmly tighten Replace the clutch slurry shield Installation of drive sprocket ...

Page 22: ...mounted belt or disc sander can be used to square the rails of a worn bar A badly worn bar can quickly damage an expensive chain If the chain is touching the bottom of the bar groove replace the bar Check the guide bar for straightness Minor adjustments can be made by bending the bar slightly Proper chain tension will extend bar life See page 9 Under some circumstances especially low water pressur...

Page 23: ...ay lightweight oil into the air intake slots on the starter housing to keep starter pawls from sticking 9 Inspect air filter and spit back screen Replace filter if dirty 10 Spit back screen should be white with no oil build up Rinse in gas or solvent to clean 11 Spray saw bar and chain with lightweight oil After 10 hours 1 Remove the starter cover and lubricate the starter recoil spring Clean the ...

Page 24: ... TENSIONER BREAKAGE Side cover nuts are not tight enough Torque to 20 ft lbs 27Nm WATER NOT FLOWING Water hose is kinked or supply is not turned on WON T START Turn ignition switch on or possible defective spark plug WON T START Low compression less than 120 psi 8 bar Possible incorrect fuel mixture Reference new 150 to 180 psi 10 to 12 bar used 140 to 160 psi 9 to 11 bar DIFFICULT TO START Possib...

Page 25: ...Soft aggregates 30 50 sq in min 190 320 sq cm min INCH FOOT DEFINITION An in ft is a measure of how much material is to be cut An in ft is defined as depth in inches times length in feet Note 129 in ft 1m2 Example How many in ft are in this doorway 1 Determine the depth of the cut in inches For this example 8 inches 2 Determine the length of the cut in feet 3 7 3 7 20 feet 3 Multiply the two numbe...

Page 26: ... 2009 ICS Blount Inc F N 70944 Oct 09 ICS Blount Inc 4909 SE International Way Portland OR 97222 Tel 800 321 1240 Fax 503 653 4393 icsbestway com 633GC 633F4 OPERATOR S MANUAL ...

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