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MARVEL 8 MARK III  

MAINTENANCE 

 

G-22 

© MARVEL MFG. CO., INC. MANUAL 8SDN10871N (04/08)

 

A – Final Drive Belt 
B – Spring Loaded Belt 

Tensioner 

C – Bevel Gear Belt Pulley 

D – Pivot Belt Pulley 
E – 3 Bolts (attach the Spline 

Hub) 

F – Spline Hub 

 

 

G1 – Upper Drive Belt Guard 
G2 – Lower Drive Belt Guard 

F

Tensioner 

Adjustment Bolt

G1 

G2 

Содержание marvel 8 mark III Series

Страница 1: ...tallation Operation Maintenance Parts Catalog Part No 8SD10871N 04 08 For machines beginning with S N 840258 Corporate Office and Service Center 3501 Marvel Drive Oshkosh WI 54902 Phone 920 236 7200 F...

Страница 2: ...reful and deliberate manner All guards must be in place and safety glasses and other applicable safety clothing must always be used The machine must be inspected and maintained regularly Any questions...

Страница 3: ...LS S 6 HIGH PRESSURE FLUIDS S 6 HORIZONTAL MACHINES CAN CRUSH S 6 OPERATE THE MACHINE SAFELY S 7 PUNCHING AND SHEARING EQUIPMENT S 8 REMOVING SAW CHIPS S 8 SERVICE THE MACHINE SAFELY S 9 ELECTRICAL HA...

Страница 4: ...D D 4 WORK LIGHT D 4 COOLANT VALVE D 4 MAIN ELECTRICAL DISCONNECT SWITCH D 5 COLUMN TILT LOCK HANDLE D 5 VISES D 5 BLADE TRAVEL LIMITS AND NOTCHING TRAVEL LIMIT D 6 FLUSHING HOSE D 7 CHIP PAN D 7 COOL...

Страница 5: ...COOLANT CHANGING PROCEDURE G 7 BLADE GUIDE ADJUSTMENT AND REPLACEMENT G 8 BLADE PRESSURE BLOCK ADJUSTMENT AND REPLACEMENT G 9 BLADE GUIDE CARRIER ALIGNMENT G 10 BLADE WIPER REPLACEMENT G 11 CHIP BRUSH...

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Страница 7: ...ne and the hazards it presents is your best protection against injury Attention Users of Older Marvel Equipment Marvel equipment is ruggedly built and many machines are still operating well beyond the...

Страница 8: ...operator can refer to it Replacement signs and literature are available from Marvel Manufacturing Co Inc Do not allow anyone to operate or repair the machine without proper instructions If you need in...

Страница 9: ...ction Do not wear gloves except when handling a blade Gloves can get caught in the machine s moving parts and cause serious injury or death STAY CLEAR OF MOVING PARTS Contact with moving and rotating...

Страница 10: ...chine are available from Marvel Manufacturing Co Inc These may be different from the actual chemicals present in your machine Contact the chemical manufacturer for the MSDS of the products you are usi...

Страница 11: ...ith a lifting capacity greater than the weight of the material being lifted Never lift the material higher than necessary KEEP THE MACHINE SAFE Do not alter the machine in any way Do not remove protec...

Страница 12: ...he hazard by relieving pressure before disconnecting hydraulic lines Look for leaks with a piece of cardboard Protect your hands and body from exposure to the fluid If an accident occurs see a doctor...

Страница 13: ...jury or death Refer to the machine s data charts and operating instructions for the proper blade type feed rate blade speed and feed pressure for the material you are cutting Stop the machine before r...

Страница 14: ...the hold downs supplied with the machine to clamp the material Turn off the machine before changing the tooling REMOVING SAW CHIPS Never use compressed air to remove chips from the machine The flying...

Страница 15: ...erator Become familiar with the machine s operation before operating the controls Turning off the machine s main electrical disconnect switch does not remove electrical power from the input side of th...

Страница 16: ...s power supply Hazardous electricity is still present in the machine s electrical circuits The machine s main electrical disconnect switch will remove electricity from the machine s circuits however d...

Страница 17: ...TION The foundation should be a dry level concrete floor in good condition No special machine foundation is required LIGHTING The entire machine should be well lit both for operator safety convenience...

Страница 18: ...installation Level the saw by placing a machinist s level at right angles on the saw table and adjusting the leveling screws until the machine is level both side to side and front to back ANCHORING T...

Страница 19: ...aches to the plug receptacle on the bottom of the terminal box under the motor enclosure as shown OPTIONAL EQUIPMENT The Marvel Series 8 can be equipped with a wide range of optional equipment Much of...

Страница 20: ...phase matches the voltage the machine has been wired for Refer to the data plate on the electrical enclosure After the coolant pump has been plugged into the terminal box see Installing and Wiring th...

Страница 21: ...on watch the coolant pump sight glass and observe the shaft in the center The shaft will have a red mark on it 5 Turn the coolant pump selector switch to the On position and then back to the Off posit...

Страница 22: ...it Metric 90 90 Rectangle 18 x 22 457mm x 558mm Rectangle 17 5 x22 445mm x 558mm Round 18 457mm Round 17 5 445mm 60 Tilt Right 60 Tilt Right Rectangle 18 x 9 7 457mm x 246mm Rectangle 17 5 x 9 7 445mm...

Страница 23: ...0 90 Rectangle 18 x 28 457mm x 711mm Rectangle 17 5 x 28 445mm x 711mm Round 18 457mm Round 17 5 445mm 60 Tilt Right 60 Tilt Right Rectangle 18 x 12 7 457mm x 322mm Rectangle 17 5 x 12 7 445mm x 322mm...

Страница 24: ...07mm Blade Speed 50 to 450 fpm 15 to 137 m min Drive Motor 5 hp TEFC 1800 rpm 3 75kw TEFC 1800 rpm Band wheel 18 98 Diameter 482mm Diameter Feed System Feed Force 0 to 250 lb 0 to 1112N Feed Motor 25...

Страница 25: ...NTS MARVEL 8 MARK III MARVEL MFG CO INC MANUAL 8SDN10871N 04 08 C 1 Upper Band Wheel Covers Operator s Control Panel Upper Guide Arm and Blade Guard Work Light Clamp Handle Tilt Handle Lower Bandwheel...

Страница 26: ...y be described by separate bulletins Four eyebolts are installed in the saw table for lifting the machine These eyebolts must be removed from the table before operating the saw Feed Force Gauge and Fe...

Страница 27: ...R S CONTROL PANEL The controls in this section are located on the operator s control panel pictured below The operator s control panel controls are as follows BLADE SPEED CONTROL KNOB The BLADE SPEED...

Страница 28: ...andard columns It is supplied as standard with saws supplied with the High Column option This switch is a variable three position selector switch with a spring return center position LEFT When the swi...

Страница 29: ...inuously until the STOP pushbutton is pressed AUTO In the AUTO position the coolant pump or optional oil mist system runs any time the blade is operating NOTE Regardless of the coolant switch position...

Страница 30: ...e arm and blade guard while the machine is running Avoid damaging the saw Use care to prevent the upper blade guard and guide arm from striking the work stock or vises The blade guard is hinged so it...

Страница 31: ...turn the disconnect to the off position COLUMN TILT LOCK HANDLE The column tilt lock handle mounted on the rear of the saw column locks and unlocks the saw column for tilting A protractor mounted on...

Страница 32: ...r the left side or the right side of the table depending on which side the controlling vises are located on FRONT BLADE TRAVEL LIMIT The proximity actuator that controls the distance that the carriage...

Страница 33: ...band wheel doors are open There are two upper and two lower band wheel doors The main electrical disconnect switch must always be turned to the Off position and locked before adjusting servicing or c...

Страница 34: ...ng normal saw operation FILTER REGULATOR The filter is equipped with a 5 micron filter element The regulator has an adjustable output range of 0 to 125 PSIG 8 6 BAR and is equipped with a 0 100 PSIG 6...

Страница 35: ...user supplied air source HIGH SAW COLUMN Option code M6 This option available only factory installed uses a saw column which is 6 152mm higher than the standard Series 8 saw column This option increa...

Страница 36: ...lubricant eliminating the mess and waste of conventional flood coolants This system also reduces heat build up resulting in faster more accurate cuts and increased blade life DIGITAL TILT READOUT The...

Страница 37: ...e speeds FEED PRESSURE Generally the feed pressure increases as the material size or cross section increases CUTTING RATE The actual cutting rate achieved depends on the feed pressure blade speed blad...

Страница 38: ...EL MFG CO INC MANUAL 8SDN10871N 04 08 USER RECORD MATERIAL BLADE SETTINGS TYPE SIZE TYPE TEETH BLADE SPEED FEED PRESSURE FEED RATE The feed rate is automatically determined by the Series 8 s Automatic...

Страница 39: ...and applying a padlock to prevent unauthorized application of compressed air and to avoid serious injury The maximum pressure that is supplied to the system should NOT exceed 150 PSIG 10 3 BAR to pre...

Страница 40: ...uard will not strike the vises as damage to the saw will occur OPERATION IMPORTANT This section assumes the operator is already familiar with the function and location of the components described in t...

Страница 41: ...the COLUMN FORWARD pushbutton to start the column blade travel towards the forward position 11 As the column blade begins moving forward set the blade FEED FORCE setting for the material to be cut by...

Страница 42: ...us Injury Wear Protective work gloves and safety face shield when adjusting blades Avoid serious injury Keep away from the drive and avoid direct contact with accessories during use of the air ratchet...

Страница 43: ...output shaft from the torque limiter C and sliding the ratchet out of the Ratchet Support 8 Using the air ratchet remove the seven 7 M12 socket head cap screws with lock washers D from the Tilt Plate...

Страница 44: ...hanism see step 5 above and apply tension to the saw blade See Blade Changing section 14 The actuator prox carriage forward must be moved when the blade is canted forward 3 To enable the saw to cut th...

Страница 45: ...h and chip pan Inspect the blade blade wipers blade guides and chip brush for wear Replace worn parts Check the compressed air lubricator for proper oil level QUARTERLY EVERY 3 MONTHS Clean the coolan...

Страница 46: ...be filled with SAE 10 oil or a compressed air lubricant that is compatible with Buna N seals Before servicing release air pressure from the system by using the lockout valve and applying a padlock to...

Страница 47: ...Oil PTL 46 4 Bleed air from the system while filling the reservoir A Remove the air tube from the cylinder piston end fitting and allow the oil to discharge into a container while removing air bubbles...

Страница 48: ...nd hair can be caught in the ratchet and cause choking scalping or other serious injury Always wear impact resistant eye protection when involved with the operation repair or maintenance of the air ra...

Страница 49: ...it is not necessary to adjust the settings of the blade guides Blade guide rotation adjustment and or blade preload settings are explained in the upcoming Maintenance section Avoid serious injury Wor...

Страница 50: ...des and down towards the saw table as shown in the photograph below If they do not remove the blade from the saw and reposition the blade as described in step 10 16 Using the handles of the Upper and...

Страница 51: ...Failure to do so can result in serious injury or death 1 Caution should be taken when taking apart the WORK LAMP assembly as the bulb and lamp guard may be very hot Unscrew the lamp guard and remove o...

Страница 52: ...the saw column to the full retract position 2 Turn off the saw s main electrical disconnect switch and lock it in the Off position The main electrical disconnect switch must always be turned to the Of...

Страница 53: ...one per guide block are slotted for easy adjustment with a screw driver Because each pin s eccentric lobe lines up with the screwdriver slot when the slot is horizontal the guide block is either fully...

Страница 54: ...alignment Blade alignment can be checked by placing a square on the saw table and against the back of the blade 15 Repeat steps 9 and 10 to return the saw to its operating condition BLADE GUIDE CARRI...

Страница 55: ...switch and lock it in the Off position The main electrical disconnect switch must always be turned to the Off position and locked before adjusting servicing or cleaning the saw Failure to do so can r...

Страница 56: ...connect switch 3 Open the lower band wheel covers 4 Remove the nut that holds the chip brush on the drive shaft and remove the brush The chip brush is held in place by a single hex nut as shown above...

Страница 57: ...one screw no more than a half turn at a time and then tighten the opposite screw NOTE Refer to the following photo The four adjustment screws are identified as A thru D and identified in the following...

Страница 58: ...8 41 to 46 cm above the saw table 4 Reduce the blade s tension with the integral air ratchet unit the blade can be hand deflected approximately 1 5 38 mm between the blade guides NOTE If the blade is...

Страница 59: ...g and the bottom band wheel continues to rotate this would indicate that there is a broken blade condition or indicate that the blade has come off of the upper band wheel The saw will immediately stop...

Страница 60: ...Inspect the face of the friction disk C for scoring or other damage Remove and replace if damaged and or wipe off if not clean and dry 7 Inspect all bushings for damage and replace as required Discon...

Страница 61: ...and the bottom strand of the chain 5 Inspect the chain and chain sprockets for excessive wear See Feed Chain Sprocket Replacement section below if required 6 If additional chain tension is required t...

Страница 62: ...authorized application of compressed air and to avoid serious injury The maximum pressure that is supplied to the system should NOT exceed 150 PSIG 10 3 BAR to prevent component failure and to avoid s...

Страница 63: ...AR to prevent component failure and to avoid serious injury during normal saw operation The main electrical disconnect switch must always be turned to the Off position and locked before adjusting serv...

Страница 64: ...oto previous page 2 When the belt appears cracked or worn it should be replaced 3 Replace the belt reassemble with new belt and test by cycling carriage forward and back after reconnecting electrical...

Страница 65: ...is factory set with the installation of a Spring Loaded Belt Tensioner B between the Bevel Gear lower Belt Pulley C and the Pivot Belt Pulley D See photo above 3 When the belt appears cracked or worn...

Страница 66: ...UAL 8SDN10871N 04 08 A Final Drive Belt B Spring Loaded Belt Tensioner C Bevel Gear Belt Pulley D Pivot Belt Pulley E 3 Bolts attach the Spline Hub F Spline Hub G1 Upper Drive Belt Guard G2 Lower Driv...

Страница 67: ...d Saw stops when Start button is released Starter holding contacts dirty or worn No blade is installed Blade is not properly tensioned Band wheel door s are open Band wheel door interlock switch es ar...

Страница 68: ...o loose or broken Upper blade guide set to low Saw column is contacting work piece vice Cuts are crooked or rough Blade guide arm set too high Column not set at proper angle Dull Blade Vises worn or l...

Страница 69: ...in work Excessive feed pressure on soft ductile materials Blade pitch too coarse Blade tension too low V belt s are too loose or broken Improper blade tension Improper cutting fluid or mixture Unusual...

Страница 70: ...talled and all guards and covers are closed and functioning properly Avoid serious injury Never operate the saw unless all guards and covers supplied with the machine are installed and functioning as...

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