Beef Splitting Band Saw EQUIPMENT SELECTION............. Ordering No. TABLE OF CONTENTS......................... Page Buster IV Forequarter Saw.... 4006058 Spring Balancer............. 4042023 Blade...................... 1023101 Notice to Employer and Safety Director... 2 Notice to Operators, Maintenance and Cleanup Personnel............... 3 Parts Diagram and List............... 4 Wiring Diagrams.................... 9 Specifications...................... 9 Installation Instructions............... 9 Operation Instructions................ 11 Maintenance Instructions............. 11 TEL. 860-347-7271 FAX. 860-347-6978
notice to employer and safety director page 2 of 12 Keep hands clear. NOTICE TO EMPLOYER AND SAFETY DIRECTOR AVOID INJURY 1. Remove and repair any tool that malfunctions. All personnel must be instructed to remove any malfunctioning equipment. 2. Ensure that all employees who use this tool are trained in the proper use of this tool and are aware of the dangers that may arise if they do not follow the procedure outlined in this brochure. 3. Ensure that all signs DANGER CUTTING TOOL IN OPERATION (included with tool) are posted and visible from any approach to the tool. 4. Ensure that all employees are instructed not to walk in front of tool during its use. 5. Ensure that all employees are instructed not to hold, not to restrain and not to catch any part of the carcass during the operation of this tool. 6. Enclosed are four (4) copies of NOTICE TO OPERATORS, MAINTENANCE AND CLEANUP PERSONNEL. Post one copy on the employees bulletin board; give one copy to the operator(s); give one copy to the maintenance foreman; and give one copy to the sub-contract cleanup / internal cleanup foreman. Additional copies will be provided upon request. 7. The tool is designed and intended to be powerful. This fact should be obvious to your employees, but you must emphasize it to them. 8. Never make modifications or alterations to the tool. Replace any missing or illegible labels. 9. Ensure that proper procedures are established in accordance with OSHA s lockout/tagout procedures (29 CFR 1910.147) to prevent accidental startup or release of stored energy. 10. Follow our installation and maintenance instructions for proper installation and care of the tool. 11. Avoid injury. Do not permit the tool to be misused. 12. If you resell or distribute a Jarvis product, you must provide the purchaser with the appropriate safety sheets and tool brochure. Additional copies of safety sheets and tool brochures will be provided upon request.
notice to operators, maintenance and cleanup personnel page 3 of 12 Model Buster IV Forequarter Keep hands clear. NOTICE TO OPERATORS, MAINTENANCE AND CLEANUP PERSONNEL REMOVE ANY MALFUNCTIONING TOOL FROM SERVICE REPORT ANY PROBLEMS TO YOUR SUPERVISOR 1. Disconnect the power supply in accordance with OSHA s lockout/tagout procedures (29 CFR 1910.147) before making any blade changes. 2. Disconnect the power supply in accordance with OSHA s lockout/tagout procedures (29 CFR 1910.147) before performing any repairs or maintenance. 3. Disconnect the power supply or have the power supply disconnected in accordance with OSHA s lockout/tagout procedures (29 CFR 1910.147) before performing any cleanup. 4. Disconnect the power supply when the tool is not in use. 5. Never put fingers, hands or other parts of the body on the cutting edge or within the cutting path of the tool when it is connected to the power supply. 6. Never allow people to walk in front of tool during its use. 7. Never allow people to hold, restrain or catch any part of the carcass while the tool is operating. 8. Test the tool prior to use or daily. Depress each trigger separately and the tool should not start. Depress both triggers simultaneously and the tool should start. Release either trigger and the tool should stop. If the tool malfunctions, remove it from service and report or repair it immediately. 9. Never depress the triggers unless you want to use or test the tool. 10. Never make modifications or alterations to the tool. Report or replace any missing or illegible labels. 62060012.
Figure A Idler End parts diagram and list page 4 of 12 * ** ITEM PART NO. PART NAME QTY 1 1055338 Flat Hd Socket Cap Screw 5 2 1002220 Idler End Door 1 3 1055277 Flat Hd Socket Cap Screw 1 4 1061201 Door Catch 1 5 1038011 Grease Fitting 1 6 1007176 Lock Nut 1 7 1055536 Socket Head Cap Screw 1 8 1042127 Support Bracket 1 (includes item 7) 9 1021235 Bearing Cone 2 10 1021234 Bearing Cup 2 3021006 Bearing Cup and Cone 11 1057023 Idler Wheel 1 12 1013141 Internal Retaining Ring 1 13 1055363 Flat Hd Socket Cap Screw 4 14 1042126 Side Plate 1 15 1055021 Socket Head Cap Screw 8 16 1061220 Slide Rail 2 17 1029194 Slide Rail Spacer 2 18 1020146 Idler Wheel Shaft 1 19 1016231 Idler End Housing 1 * Tighten to 37 Ibf ft. ** Tighten to 60 65 Ibf in. Torque wrench nut adapter 8030054 and torque wrench 8039138 are available. ITEM PART NO. PART NAME QTY 20 1055862 Flat Head Slotted Screw 2 21 1004275 Washer 2 22 1060030 Hex Head Threaded Insert 1 23 1004154 Washer 6 24 1055488* Hex Head Screw 6 25 1006025 Door Knob 1 26 1013122 Internal Retaining Ring 1 27 page 6** Torque Knob Assembly 1 28 1010145 Dowel Pin 2 29 page 6 Idler End Guide Assembly 1 30 1055457 Socket Hd Shoulder Screw 2 31 1036127 Bushing (spare part only) 1 32 1032155 Guide Mounting Plate 1 33 1002224 Guide Block Cover 1 34 1055270 Socket Head Cap Screw 2 35 1036103 Thrust Bearing 1 36 1055026 Set Screw 1 37 1055486 Hex Head Screw 2 38 1007177 Taper Nut 5 39 1067008 Hinge (includes item 40) 1 40 1010214 Hinge Pin 1 41 1029195 Hinge Spacer 1 42 1055361 Flat Hd Socket Cap Screw 4 43 1002221 Idler End Hinge Cover 1
parts diagram and list page 5 of 12 Model Buster IV Forequarter Figure B Drive End * ** * Tighten to 37 Ibf ft. ** Tighten to 80 Ibf ft. Wrench 8039120 is available for item 38. ITEM PART NO. PART NAME QTY 1 page 7 Handle Assembly 2 2 1063231 Conduit 1 3 1012056 Conduit Clamp 3 4 1055010 Pan Head Slotted Screw 3 5 1013122 Internal Retaining Ring 1 6 1006025 Door Knob 1 7 1004154 Washer 6 8 1055498* Hex Head Screw 6 9 page 7 Hanger Assembly 1 10 1055027 Socket Head Cap Screw 4 11 1026189 Driven Gear, 86 Teeth 1 12 1002213 Bearing Cover 1 13 1021424 Ball Bearing 1 14 1055367 Socket Head Cap Screw 2 15 1044043 Bearing Housing 1 16 1035208 O ring 1 17 1050216 Hex Socket Pipe Plug 3 18 1055482 Pan Head Screw 4 19 1004275 Washer 2 20 1055862 Flat Head Screw 2 ITEM PART NO. PART NAME QTY 21 1016334 Drive End Housing (incls. items 18 and 44) 1 22 1035207 Oil Seal 1 23 1029187 Splined Spacer 1 24 1055338 Flat Hd Socket Cap Screw 5 25 1010214 Hinge Pin 1 26 1055296 Hex Head Screw 4 27 1004049 Split Lock Washer 4 28 1067007 Hinge (includes item 25) 1 29 1002222 Drive Wheel Cover 1 30 1032156 Nut Cover Plate 1 31 1055277 Flat Hd Socket Cap Screw 1 32 1055459 Socket Head Cap Screw 2 33 1002209 Drive Guide Block Cover 1 34 1010145 Dowel Pin 2 35 1032155 Drive Guide Mounting Plate 1 36 1036127 Bushing (spare part only) 1 37 1061201 Door Catch 1 38 1007173** Bearing Locknut 1 39 1057022 Drive Wheel 1 40 1055025 Flat Hd Socket Cap Screw 3 41 1002219 Drive End Rail Cover 1 42 1055490 Pan Head Screw 3 43 1058061 Blade Guide 1 44 1017081 Danger Label 1 45 1061415 Saw Frame Rail 1 46 1002218 Idler End Rail Cover 1 47 1055361 Flat Hd Socket Cap Screw 3 48 page 6 Drive End Guide Assembly 1 62060012.
parts diagrams and list page 6 of 12 ITEM PART NO. PART NAME QTY Figure C Torque Knob Assembly 1 1036103 Thrust Bushing 1 2 1514009 Internal Retaining Ring 1 3 1020144 Torque Knob Shaft 1 4 1519137 Woodruff Key 1 5 1021259 Flanged Bearing Race 1 6 1035163 O-ring 1 7 1007041 Hex Lock Nut 1 8 1006026 Torque Knob 1 9 1021106 Roller Bearing 1 10 1039024 Ball Plunger 8 11 1002239 Torque Knob Cover 1 12 1055482 Pan Head Screw 2 3006005 Torque Knob Assembly (includes items 1-12) 13 1006022 Lock Pin Knob 2 14 1513012 Socket Set Screw 2 15 1036124 Drive End Lock Pin Bushing 1 1036131 Idler End Lock Pin Bushing 1 16 1014059 Compression Spring 2 17 1010213 Drive End Lock Pin 1 1010219 Idler End Lock Pin 1 18 1055302 Pan Head Screw 8 19 1016228 Drive End Guide Housing 1 1016234 Idler End Guide Housing 1 20 1061202 Guide Plug 2 21 1058078 Back up Blade Guide 2 22 1055014 Socket Head Cap Screw 2 23 1058090 Fiber Blade Guide 4 24 1032160 Blade Guide Mtg. Plate 2 25 1058061 Blade Guide Insert 4 26 1055418 Pan Head Screw 12 3058051 Drive End Guide Assembly (includes items 13-26) 1 3058054 Idler End Guide Assembly (includes items 13-26) 1 27 1035209 O-ring 1 28 1021139 Ball Bearing 1 29 1055437 Socket Head Cap Screw 3 30 1016227 Bearing Retaining Flange 1 31 1513185 Socket Head Cap Screw 4 32 1004069 Split Lock Washer 4 33 1010215 Locator Pin 2 34 1016225 Gear Housing 1 35 1035009 O-ring 1 36 1560842 Square Key 1 37 page 8 Electric Motor 1 38 1051151 Threaded Fitting 2 39 1055357 Hex Head Screw 8 40 1004032 Flat Washer 8 41 1513662 Hex Socket Pipe Plug 2 42 1035206 Oil Seal 1 43 1055467 Socket Set Screw, Cup Pt. 1 44 1026087 Drive Gear 60 Hz (30 Teeth) 1 45 1055468 Socket Set Screw, Flat Pt. 1 Motor Accessories, Finned: 1 1035213 Cover Gasket 1021240 Ball Bearing (Front) 1021241 Ball Bearing (Rear) 1063163 Motor Rotor 1035216 Oil Seal 1063176 Electrical Plug Torque wrench nut adapter 8030054 Torque wrench 8039138 Figure D Blade Guide Assembly, Idler and Drive End Figure E Finned Motor and Gear Cover
parts diagrams and list page 7 of 12 Model Buster IV Forequarter Figure F Hanger Assembly 1 1055469 Cup Point Set Screw 2 2 1061855 Cylindrical Insert 2 3 1042357 Hanger Bracket 1 4 1028040 Clevis and Pin Assembly 1 5 1027075 Hanger Stud 1 6 1042178 Hanger Bracket 1 7 1012141 Collar Clamp Threaded 1 8 1055595 Socket Head Cap Screw 2 9 1055843 Slotted Head Screw 2 10 1012140 Collar Clamp Unthreaded 1 11 1004412 Flat Washer 1 12 1055367 Socket Head Cap Screw 2 ITEM PART NO. PART NAME QTY 13 1011203 Strain Relief Connector 2 14 1050089 Reducer Bushing 2 15 1529260 Safety Kill Switch 1 16 1063148 Safety Kill Switch Boot 1 17 1004049 Washer 2 18 1055049 Socket Head Cap Screw 2 19 Gasket (with item 24) 20 Cover (with item 24) 21 1055010 Pan Head Slotted Screw 2 22 1011052 Strain Relief Connector 1 23 1063238 Electrical Enclosure Plug 2 24 1063232 Box with cover and gasket 1 Figure G Electrical Box Assemblies 25 1011223 Strain Relief Connector 1 26 1035214 Gasket 1 27 1063150 Electrical Box 1 28 1055033 Button Head Cap Screw 2 29 1035539 Gasket 1 30 1513352 Round Hd Slotted Screw 4 31 1063149 Electrical Box Cover 1 32 1017085 Electrical Label w/item 31 1 3016346 Electrical Enclosure Assy (incls. items 27 and 29 32) Figure H Handle Assembly 33 1055592 Flat Head Phillips Screw 6 34 1002270 Cover 2 35 1035282 O ring 2 36 1063009 Wire Nut 4 37 3005017 Switch Assembly 2 38 1042164 Bracket 2 39 1013181 Retaining Ring 2 40 1004093 Washer 2 41 1055358 Hex Head Screw 2 42 1010297 Roll Pin 2 43 1010273 Threaded Pin 4 44 1018113 Trigger Lever 2 45 1021314 Bushing 2 46 1014096 Spring 2 47 1055296 Hex Head Screw 2 48 1004182 Washer 2 49 1019128 Handle with item 42 2 50 1004051 Washer 2 51 1055328 Hex Head Screw 2 52 1001049 Cord and Plug 2 53 1010274 Threaded Pin 2 54 1063220 Wire Connector 2 3019104 Handle Assembly 2 (includes items 33 54) 62060012.
parts diagrams and list page 8 of 12 Figure I Electric Motor with Smooth Housing Figure J 3016167 Electric Control Box Assembly ITEM PART NO. PART NAME QTY 1 1055321 Socket Head Cap Screw 6 2 1035216 Seal 1 3 1002342 Motor Cover 1 4 1035456 O ring 1 5 1021240 Ball Bearing 1 6 3064001 Rotor Assembly 1 7 1013211 Retaining Ring 1 8 1021302 Ball Bearing 1 9 1014141 Wave Spring 1 10 1016406 Motor Housing 1 11 1055039 Drive Screw 4 12 1017158 Information Label 1 13 1035214 Gasket 1 14 1055849 Socket Set Screw 2 15 1051151 Threaded Fitting 2 16 1063576 Stator, 460/230V 60Hz 1 Stator and Housing Assembly (items 10 12 and 14 16) 3016337 460/230V 60Hz 1008077 Motor, 460/230V 60Hz (items 1 16) 17 1055010 Pan Head Slotted Screw 4 18 1063146 Circuit Board ATD 1 19 1032265 Panel 1 20 1016346 Enclosure 1 21 1029302 Spacer 4 22 1004244 Lock Washer 4 23 1063311 Fuse, 115V 1 24 1529264 Terminal Fork 6 25 1004211 Connector Seal Ring 3 26 1007278 Connector Nut 3 27 1011240 Cord Strain Relief 3 28 1001014 Electric Cord ft 29 1063208 Electrical Outlet 1 30 1063209 Electrical Plug 1 31 1017085 Electrical Danger Label 1 32 1017110 Wiring Diagram Label 1 1001046 Power Cord ft 3016167 Electrical Control Box Assy. (incl items 17 29, 31 and 32)
wiring diagrams, specification and installation instructions page 9 of 12 Model Buster IV Forequarter Figure K Electrical Control Box Wiring Diagram Motor Hook Ups Red/ White Stripe Red/ Black Stripe Switch in Front Handle Switches in Dual Trigger Rear Handle Six Wire Motor Hook up White Black Safety Kill Switch Green Wire Junction Box on Saw * Output voltage between #4 and #5 must equal input voltage. Please disconnect any other voltage supplied to coil. Starter coil is supplied by customer. Electric Circuit Board p/n 1063146 White Green Black Starter Coil* White Neutral Black Hot Green 120 Volt Supply 60Hz. Nine Wire Motor Hook up To reverse rotation interchange any two AC input wires SPECIFICATIONS Model Buster IV Forequarter Motor Power 3.3 hp 2500 W Operating Voltage 230/460 V, 3 phase, 60 Hz Capacity 180 carcasses / hour Control Handles Electric Dual Anti-tie Down Distance between guides 17.75 in 451 mm Blade Length 119.0 in 3023 mm Overall Length 54 in 1372 mm Weight 190 lbs 86 kg INSTALLATION INSTRUCTIONS ALWAYS DISCONNECT THE POWER SUPPLY IN AC- CORDANCE WITH OSHA S LOCKOUT/TAGOUT PRO- CEDURES (29 CFR 1910.147) BEFORE PERFORMING ANY MAINTENANCE OR REPAIRS. ALL WIRING MUST BE DONE IN ACCORDANCE WITH NATIONAL, STATE AND LOCAL ELECTRICAL CODES. 1 Post all DANGER CUTTING TOOL IN OPER- ATION SIGNS. Refer to figure 1 (below). Figure 1 part number 1017107 62060012.
2 Install the electrical control box in a dry location that will not be subject to wash downs. 3 Wire the electrical control box. Refer to Figures J, K and 2 on pages 8, 9 and 10. 3.1 Run wires from the appropriate AC power supply to terminals 2 and 3 inside the control box. Connect the AC ground to the panel (item 19, Figure J, page 8). Check the label inside the control box cover for the correct voltage and frequency. Figure 2 Anti Tie Down Control Box installation instructions page 10 of 12 a power cord with three wires plus an earth ground wire. 4.2 Make sure drive wheel (Figure B, item 39, page 5) rotates counterclockwise. The power supply must be connected to perform the above test only. 5 Install the balancer above the work station on a trolley. 5.1 The trolley should have sufficient travel to allow the operator to reach the entire work area. Refer to figure 3 for dimensions. 5.2 The trolley used must have free travel with no binding. To 120V 60Hz AC Power Supply* To Wire Junction Box Figure 3 Overall length 54 in. Rail thickness 1 in. To Starter Coil* 11 1 / 4 in. Rear View of Buster IV Forequarter 17 3 / 4 in. Frame Thickness 1 3 / 4 in. * Supplied by Customer 3.2 Run wires from terminals 4 and 5 to a starter coil (supplied by the customer). Disconnect any other source of power to the starter coil. The coil operating voltage is indicated on the label inside the control box cover and must be the same as the AC power supply. 3.3 The connection between the Buster IV Forequarter saw and the control box is pre wired and is approximately 22 feet long. 4 Wire the motor. Refer to Figure K on page 9. 4.1 Follow the wiring diagram shown for all dual voltage (6 or 9 lead) motors. All motors require 6 Suspend the Buster IV Forequarter Saw from the balancer. 6.1 Adjust the balancer to the operator s preference. 7 Install beef guiding rails. Refer to Figure 4. Figure 4 Beef guiding rails are to be supplied by the customer. This diagram is merely intended to show a viable assembly which is currently in use and working satisfactorily. 2 in Dia. Adjustable 4 1 / 2 in Opening Approx. 16 in To Balancer 15 in Approx. Adjustable 9 10 ft
operation and maintenance instructions page 11 of 12 OPERATION INSTRUCTIONS ALWAYS DISCONNECT THE POWER SUPPLY IN AC- CORDANCE WITH OSHA S LOCKOUT/TAGOUT PRO- CEDURES (29 CFR 1910.147) BEFORE PERFORMING ANY MAINTENANCE OR REPAIRS. 1 Turn on the power. 2 Prior to use or daily, perform the following tests. 2.1 Make sure that the dual anti-tie down control handles (top handles) are working correctly. Depress each trigger separately and the tool should not start. Depress both triggers simultaneously (within one second of each other) and the tool should start. Release either or both triggers and the tool should stop. If the tool malfunctions, remove it from service and report the problem to your supervisor immediately. 2.2 Make sure that the Buster IV Forequarter saw moves freely on its balancer. 2.3 Make sure all four DANGER CUTTING TOOL IN OPERATION signs are posted. 3 Making the cut. 3.1 A Jarvis serviceman will be available to train you in the proper technique to make the cut. grease fitting MAINTENANCE INSTRUCTIONS torque knob blade guide tooth direction Figure 5 blade guide water manifold ALWAYS DISCONNECT THE POWER SUPPLY IN AC- CORDANCE WITH OSHA S LOCKOUT/TAGOUT PRO- CEDURES (29 CFR 1910.147) BEFORE PERFORMING ANY REPAIRS OR MAINTENANCE. 4 Daily: Model Buster IV Forequarter 4.1 The Buster IV Forequarter saw is equipped with dual anti-tie down control handles (top handles). Check for the correct operation of the dual antitie down control handles prior to use or daily. Depress each trigger separately and the tool should not start. Depress both triggers simultaneously (within one second of each other) and the tool should start. Release either or both triggers and the tool should stop. If the tool malfunctions, repair or remove it from service immediately. 4.2 Clean and check the blade guide assemblies. Refer to Figure D on page 6 for referenced items. 4.2.1 Remove four (4) screws (item 18). 4.2.2 Remove fiber blade guides (item 23). 4.2.3 Remove six (6) screws (items 26). 4.2.4 Slide the blade guide mounting plate (item 24) out of the guide housing (item 19). 4.2.5 Remove screw (item 22). 4.2.6 Rotate or replace back-up blade guide (item 21) as required. 4.2.7 Reinstall and tighten screw (item 22). 4.2.8 Rotate or replace blade guide inserts (item 25) as required. 4.2.9 Insert a 0.022 feeler gage between the blade guide inserts (item 25). 4.2.10 Apply a light pressure to the outside of the blade guide inserts (item 25). 4.2.11 Tighten the six (6) screws (item 26). 4.2.12 Replace fiber blade guides (item 23). 4.2.13 Install and tighten four (4) screws (item 18). 4.3 Check the rear wheel. Refer to the Figure B on page 5 for referenced item. 4.3.1 Tighten locknut (item 38) to 80 lbf ft. Jarvis wrench 8039120 is available. 4.4 Check the front bearings. Refer to the Figure A on page 4 for referenced item. 4.4.1 Grease the front wheel bearings through grease fitting (item 5) with USDA approved wheel bearing grease. 62060012.
4.5 Check the oil in the gear housing. Refer to Figure E on page 6 for referenced item. 4.5.1 Check the level of oil in the gear housing (item 34). 4.5.2 Change the oil if these conditions exist: The oil contains water. The oil is dark or gritty. Any bearing is being replaced. 4.5.2.1 The saw should be tilted rearward and filled with approximately 1 1 / 2 quarts of SAE 80W - 90 EP hypoid gear lube. 4.6 Check the cord and electrical outlet assemblies. Refer to Figure J on page 8 and Figure 5 below for referenced items. 4.6.1 Check cords and plug assembly (items 28 and 30) for wear. Replace if necessary. Green Screw Green Wire Black Screw Black Wire Silver Screw White Wire Plug From Forequarter Saw Figure 5 Silver Screw White Wire Outlet Green Screw Green Wire Bronze Screw Black Wire From Elec. Control Box 5 Weekly. 5.1 Clean the torque knob. Refer to Figure C on page 6 for referenced items. 5.1.1 Remove the torque knob assembly (items 1 12). 5.1.2 Remove screws (item 12). 5.1.3 Remove cover (item 11). 5.1.4 Turn the torque knob over. 5.1.5 Remove retaining ring (item 2). 5.1.6 Remove shaft (item 3). 5.1.7 Clean all grease out of the torque knob. 5.1.8 Turn the torque knob so that ball plungers (item 10) are visible. 5.1.9 Pour oil onto the ball plungers. 5.1.10 Work each ball plunger up and down with a wooden dowel to lubricate the springs. maintenance instructions page 12 of 12 5.1.11 Apply Jarvis 1315 White Grease to the ball plunger surface and to the roller bearing (item 9). 5.1.12 Install shaft (item 3). 5.1.13 Rotate the shaft slightly until you can feel the balls fall into their holes. 5.1.14 Install the retaining ring (item 2). 5.1.15 Tighten the torque knob to 60 65 lbf in. Torque wrench nut adapter 8030054 and torque wrench 8039138 are available. 5.1.16 Install the cover (item 11). 5.1.17 Install the screws (item 12). 5.1.18 Install the torque knob on the Buster IV Forequarter saw. 6 WHEN NECESSARY: 6.1 Replace the blade. 6.1.1 Open doors (item 2, Figure A, page 4 and item 29, Figure B, page 5). 6.1.2 Loosen the torque knob assembly (item 27, Figure A, page 4) by turning it fully counterclockwise. 6.1.3 Raise the blade guide assemblies (item 29, Figure A, page 4 and item 48, Figure B, page 5) so that both guide assemblies are parallel to the floor. 6.1.4 Remove the old blade and discard. 6.1.5 Install the new blade (part number 1023101) with teeth pointing inward, toward the frame. 6.1.6 Tighten the torque knob until it clicks. 6.1.7 Twist the blade so that the teeth point downward; set the blade guide assemblies down over the blade. 6.1.8 Close the doors. 6.1.9 Tighten the torque knob after saw has run a few minutes. 6.2 Tighten the front wheel. Refer to Figure A on page 4 for referenced item 6.2.1 Turn the front bearing locknut (item 6) clockwise until hand tight.