Multiquip SP-6457 TD - Manuals

7 SAFETY FOR YOUR SAFETY AND THE SAFETY OF OTHERS! Safety precautions should be followed at all times when operating this equipment. Failure to read and understand the Safety Messages and Operating Instructions could result in injury to you and others. SAFETY MESSAGE ALERT SYMBOLS The three (3) Safe...

8 HAZARD SYMBOLS Lethal Exhaust Gases Engine exhaust gases contain poisonous carbon monoxide gas iscolorless and odorless, and can cause death if inhaled. NEVER operate this equipment in a confined area or structure that does not provide ample free flow air. Explosive Fuel Motor fuels are highly fla...

9 ALWAYS wear approved respiratory protection. Guards and Covers Rotating Blades Respiratory Hazard Sight and Hearing Hazard NEVER operate the saw without blade guards and covers in place. Adhere to safety guidelines ANSI American National Standards Institute, OSHA or other applicable local regulati...

10 Equipment Damage Messages Skin Injection Hazard NEVER use your hand to find hydraulic leaks. Use a piece of wood or cardboard. Hydraulic fluid injected into the skin must be treated by a knowledgeable physician immediately or severe injury or death can occur. Other important messages are provided...

11 RULES FOR SAFE OPERATION Most accidents involving product operation, maintenance and repair are causedby failure to observe basic safety rules and precautions. Accidents can often beavoided by recognizing potentially hazardous situations before an incident occurs. General Safety Warnings WARNING ...

13 General Safety Precautions CAUTION § ALWAYS read, understand, and follow procedures in theOperator’s Manual before attempting to operate the equipment. § Be sure the operator is familiar with proper safety precautionsand operating techniques before using the saw. § Make sure the operating area is...

14 BLADE SAFETY WARNING § ALWAYS inspect diamond blades before each use. The bladeshould exhibit no cracks, dings, or flaws in the steel centered coreand/or rim. Center (arbor) hole must be undamaged and true. § Examine blade flanges for damage, excessive wear andcleanliness before mounting blade. B...

15 SAW TRANSPORTATION SAFETY CAUTION § Use appropriate lifting equipment to ensure the safe movement ofthe saw. § DO NOT use the handle bars and/or front pointer as lifting points. § NEVER attempt to tow the untrailered saw behind a vehicle. § NEVER transport the saw with the blade mounted. EMERGENC...

16 MACHINE OPERATION AND SAFETY DECALS The Multiquip SP-6457 TD Saw is equipped with a number of operation andsafety decals. Should any of these decals become unreadable, replacements canbe obtained from your dealer.

17 Serial Tag Fig. 1 — Serial Tag ! NOTE For future reference, fill in the model number and serial number ofyour saw in the spaces on the label above. The serial tag contains the model number and serial number of the saw. Thisinformation details all parts that were included with the saw when it wass...

19 O PERATION Before Starting Before starting the saw, carefully follow the checklist below: r Securely install the Belt Guard (2). r Fully slide on the Collar Guard (3). r Verify that proper-sized Blade Guard (4) is fully installed on the BladeGuard mounting tab. r Confirm the rear and side access ...

20 Engine Power, Cutting Power & Sheave Size The cutting capability of your saw is a relationship between engine power (asreflected in the engine RPM) and the speed (RPM) of the Blade Shaft. The dieselengine of the SP-6457 TD runs at 2800 RPM (full load). If 2800 RPM was a desirable Blade Shaft ...

21 Typically, however, the ratios are not used to design a level of torque; they areused to create a saw with the optimum blade speed (blade Shaft RPM) for you.The major factors are: • diameter of blade(s) you commonly use, and • cutting conditions you work under The 4 gear ratios we have designed i...

23 Installing the Blade The blade can be mounted on either side of the saw to accommodate differentcutting jobs.1. Raise the saw so that the blade will clear the ground when installed. 2. Verify that blade collars are clean and undamaged. 3. Insert the bushing and mounting bolt through the outer col...

24 Stacking Blades for Wide Cuts WARNING NEVER attempt to stack blades beyond the capacity of the Kitsdescribed here. NEVER operate the saw without blade guards inplace. Combining (stacking) blades together to make wide cuts requires an optionalBushing Extension Kit. • Kit #18501 allows blade stacki...

25 Installing and Removing the Blade Guard Blade Guards are “ambidextrous” – that is, they can be installed on either side ofthe saw. Installing the Blade Guard 1. Slide the Blade Guard Mounting Clip onto the Guard Mounting Tab on theframe. 2. Connect the water delivery hose to the Blade Guard. • En...

26 Blade Guard Water Supply Verify that the water hose on the saw is connected to the Blade Guard and thatthe water pipes are pointed into both Blade Collars. CAUTION Make sure that the 90º outlets of the water tubes point toward thelower portion of the blade collars, aimed at the delivery ports, fo...

27 Installing the Collar Guard The Collar Guard protects unused Blade Collars.1. Slide the Collar Guard (1) onto the Guard Mounting Tab on the frame. 2. Verify that the unused Blade Collar (2) is secured to the Blade Shaft, bytightening the mounting bolt (3). Fig. 9 — The Collar Guard, Installed 1 –...

28 Water Supply and Control CAUTION § To prevent damage to the impeller of a belt driven water pump , do not run the engine with the water pump switch on, unless thewater supply is connected and water is flowing. § When storing the saw during freezing weather, blow out the water lines to prevent dam...

29 Control Panel Fig. 11 — The Control Panel EngineTachometer AuxiliarySwitch LightSwitch Voltmeter Throttle Ignition SwitchON-OFF Upper PlungeButton OperatingInstructions Speed ControlJoystick Water Pump Switch(Option) MaintenanceInformation Water FlowControl DepthIndicator Engine StatusIndicator D...

30 Handlebars The handlebars are adjustable to three different angles, for optimum operatorcontrol, and can also be slid fully inward for storage. Once handlebars areadjusted, lock them into position by tightening the lock knob on each side. Fig. 12 — Handlebar Positions Using the handlebars in posi...

31 Fueling the Saw The saw features a 10-gallon, clear, molded plastic fuel tank with a sight gauge,central drain, and shutoff valve. The fuel tank cap is located at the front of thecontrol console. CAUTION § Be sure the engine is turned off prior to fueling the saw. § Do not spill diesel fuel on co...

32 Starting and Stopping The Engine CAUTION § Do not leave the saw unattended while the engine is running. § Do not start, park, or leave the saw unattended on a slope. § If the saw has an optional water pump, do not run the saw dry with the water pump switch ON — otherwise the pump impellers will b...

33 Cold Weather Operation Glow Plugs Optional Glow Plugs are installed inside the air intake. In cold weather (lowtemperatures below 40°F): 1. Rotate the Ignition Switch PAST the ON position to the GLOW PLUG position and HOLD there for 20-40 seconds. 2. After 20-40 seconds, continue to rotate the sw...

34 4. If an air compressor is available, blow out the system by applyingcompressed air to the Water Inlet ( see Fig. 10). Pointer Adjustment 1. Lower the front pointer assembly. • Adjust the pointer rod (1) by loosening the lock knob (2). • Once the pointer rod is set to the cut line, tighten the lo...

35 Raise — Lower Controls This saw uses a 12-volt hydraulic pump and cylinder to raise and lower theblade. The SP-6457 TD saw has a plunge button and a raise button. Controls arelocated on the joystick handle. Fig. 16 — Joystick Handle Controls 1. To slowly lower the blade to the cut, push the top b...

37 Drive System This saw has a cable-controlled Hydro-Gear hydrostatic powered transaxle withinfinite F-N-R speed adjustment via a joystick controller. The saw is designedwith locked axle drive, and can travel at speeds up to 300 feet per minute. Drive System Controls The panel-mounted joystick cont...

38 Transaxle The Hydro-Gear hydrostatic-powered transaxle has no chains, sprockets or opengears to service. There is a simple cable control. The remote filter promotes longlife and easy maintenance. Fig. 19 — The Transaxle Drain Plug

39 4-Speed Blade Shaft The exclusive 4-speed Blade Shaft allows optimum performance with a variety ofdifferent blade sizes under a wide range of conditions. Fig. 20 — The 4-Speed Blade Shaft The 4-speed design fully encloses the transmission, bearings and Blade Shaft,and features an oil bath lubrica...

40 WARNING § Never shift gears with the engine running. § Before inserting the Shift Wrench, verify that the ignition is OFF. § Disengage the Shift Lock before shifting, and engage the Shift Lock after shifting. § Remove the Shift Wrench before starting engine. Shifting Gears 1. Verify that the igni...

41 Night Light The night light can be used on either side of the saw, and can be extended androtated for best illumination of the cutting area. Aim the light, then lock it inposition by tightening the lock knobs. The light can be removed for storage byloosening the lock knobs, disconnecting the ligh...

43 M AINTENANCE This saw has many service-saving features, such as fully enclosed oil bathlubricated Blade Shaft bearings, which require no daily lubrication. ! NOTE Level the saw frame surface prior to service to get accurate oil levelreadings. Removable Guards and Access Panels For ease of service...

44 Belts and Pulleys Belt Qty Part Number Blade Shaft Drive Belt (5) 2 Part # 520009 Jackshaft Belt (3) 1 Part # 521012 Transaxle Drive Belt (2) 1 Part# 521004 Water Pump Option Belts 1 Part# 521006 Part# 521008 5 3 4 1 2 Fig. 26 — Belt Locations V-Belt Tension Ideal V-Belt tension is the lowest ten...

45 CAUTION § Over-tensioning shortens belt and bearing life. § Keep belts clean of foreign material that may cause slippage. § Make V-Belt inspection a periodic procedure. § Never dress belts, as this can cause premature failure. Adjusting Blade Shaft Drive Belt Tension ! NOTE When tightening or loo...

46 2. Loosen the jam nut on the Single Point Belt Tension Bolt. Fig. 28 — Single Point Belt Tension Bolt 3. Adjust drive belt to the desired tension. DO NOT over tighten. 4. Tighten the Engine Mount Lock Bolt. 5. Turn the Single Point Tension Bolt until the head of the bolt no longertouches the fram...

47 Rotary Belt Tensioner The Rotary Belt Tensioner system uses a 3/4”-headed bolt and a 15/16” or 1”nut to set belt tension by positioning an arm between the Tensioner Pulley andthe Tensioner Base. Ridges on the Base mark the amount of tension. 1. Loosen the Bolt Head. 2. Rotate the Tensioner Nut cl...

49 Blade Collar Removal/Installation Correct removal or installation of the Inner Blade Collar or Flange requires theCollar Puller (option Part Number 18503) shown in Figure 31. WARNING Follow instructions closely to prevent injury from flying Blade Collars!Because of the tapered fit between Blade C...

50 Installing the Inner Blade Collar 1. Ensure that the tapered portion of the Blade Shaft, and the Inner Blade Collarare perfectly clean and free of burrs or indentations. Clean and repair asnecessary 2. Ensure that the Drive Key is in place. 3. Slide the Inner Collar onto the tapered portion of th...

51 5. Loosen the Mounting Bolt and remove the Outer Collar and Bushing. 6. Inspect the Inner Collar to ensure the proper seating of the tapered fit. • The Inner Collar should be seated between .030” and 0.0” (flush) to the end of the Blade Shaft. Fig. 33 — Proper seating of the Inner Collar on the B...

52 Circuit Breakers Three thermal circuit breakers are located inside the top of the Console. Fig. 34 — Circuit Breaker location Under normal circumstances circuit breakers do not require service; they areautomatically re-set when an overload condition is corrected. If a breaker iscycling on/off, lo...

53 Lubrication This saw has five grease fittings on the front axle assembly. • Front axle pivot bearings (F1 & F3) • Hydraulic lift cylinder ends (F2, and far end of cylinder) • Depth Stop Pivot Plate (F4) These fittings are easily accessed by raising the saw half way up, and then liftingthe rea...

54 Engine The Model SP-6457 TD features a Turbocharged 57 HP Deutz diesel engine. Seethe engine manual for service details and oil recommendations. • Check air filters daily, replace as required. Do Not clean air filters. • Check engine oil level daily. • Level the frame prior to service to get an a...

55 PTO Drive Maintenance Disassembly of the PTO Drive and replacement of the PTO DriveSheave/Bearing Assembly requires the PTO Bearing Puller (P/N 18610). The Sheave/Bearing Assembly is not serviceable and must bereplaced as a complete unit.1. Remove the Drive Belt (see Replacing the Blade Shaft Dri...

56 Fig. 38 — PTO Drive Sheave/Bearing Assembly Re-Assembling the PTO Drive 1. Clean and inspect all parts. 2. Use a press to push the new Bearing/Sheave assembly onto the BearingSupport (9) until the bearings contact the shoulder of the Support. 3. Use a sharp pointed awl or similar tool to install ...

57 Replacing the Battery This saw uses a Group 75, 12-Volt, 1000 cold cranking amp battery. To replacethe battery: 1. Remove Engine Guard and Upper Belt Guard. 2. Loosen the Rotary Tensioner and remove the Transaxle Belt. 3. Loosen the two Engine Mount Lock Bolts and the Single Point BeltTension Bol...

58 Raise-Lower System This saw uses a 12-volt hydraulic pump and hydraulic cylinder to power theraise-lower system. • Level frame prior to service to get an accurate reading. • Check oil level daily. • Fill the reservoir half to two-thirds full when cold • Use 5W-30 premium grade engine oil. 4 5 3 2...

59 Joystick Tension Adjustment The speed control joystick uses friction adjustment to provide the preferred“feel”: 1. Using a ¼” Allen wrench and 9/16” wrench, loosen both pivot bolts untilthey can be turned by hand. Pivot #1 only requires a 9/16” wrench, as theAllen nut side is welded in place. 2. ...

60 Hydraulic System Maintenance The hydraulic system consists of: § Blade Shaft § Hydraulic Pump § Transaxle § Hydraulic Manifold § Depth Stop Cylinder & Valve § Hydraulic Filter § Lift Cylinder § Oil Fill/ System Vent Routine Maintenance • Check oil level daily. • Level the saw frame prior to s...

61 Draining & Filling the Hydraulic System To drain the hydraulic system: 1. Remove the drain plug from the bottom of the Blade Shaft housing and thebottom of the Transaxle. Fig. 45 — Hydraulic System Drains 2. Collect and dispose of the used oil in an environmentally friendly manner. 3. Remove ...

62 To fill the hydraulic system: 1. Fully lower the saw. 2. Do not level the saw frame. The 4-Speed Blade Shaft is mounted at a 78° angle to the saw frame. Adjust the level of the saw so that the face of the Blade Shaft housing is at right angles to the ground. Fig. 45 — Adjusting the level of the B...

63 Bleeding the Depth Stop Cylinder After changing the hydraulic system oil, or after disturbing the Depth StopCylinder plumbing, air may become trapped in the system and cause the DepthStop Cylinder to work improperly. To remedy the situation, the Depth StopCylinder must be bled to remove trapped a...

64 Drive Wheel Alignment Below is the technique recommended for aligning the wheels. Distance X is thesame on both sides; the Front Wheel and Blade shaft axles must be at right anglesto the frame edge. Distance A is 3/16” (.187”) longer on the right side, so that thesaw steers slightly left. Users m...

66 S PECIFICATIONS Engine 57 HP Turbocharged Deutz Diesel, direct injection, air/oil cooling, oil filter and above-frame remote oil drain. Engine Air Cleaner 4-Stage air filtration, pre-cleaner plus cartridge element and safety element. Fuel Tank 10 Gallon clear-molded plastic fuel tank with sight g...

DIMENSIONS A D B C E F G H I J K A Max Length, Handle Bar Extended, Pointer Bar Up 71” B Max Length, Handle Bar Removed, Pointer Bar Up 50 3/8” C Max Height, Console Top to Surface 33 ½” D Max Length, Handle Bar Extended, Pointer Bar Down 115” E Max Height 52 ¾” F Wheel Base, Front Wheels 19 ¾” G Wh...