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Maintenance

Hydraulic System Diagram (425HD)

5

5-8

425HD-MD/masterdoc101602

Maintenance

5.15 Hydraulic System Diagram (425HD)

425D Hydraulic Schematic

Right

Motor

Left

Motor

Tank

Filter

Right

Pump

Dotted lines represent high-pressure lines

Left

Pump

Low-Pressure

Cooler

H1

H3

H4

H5

H6

H7

H8

H9

H10

H11

H12

H14

H15

H13

H2

Cylinder

Valve

Содержание 425HD

Страница 1: ...om Lastec A Division of Wood Mizer Products Inc 8180 West 10th Street Indianapolis Indiana 46214 Phone 317 808 0703 Fax 317 808 0704 www lastec com Lastec Articulator Model 425HD MD Owner s Manual Ser...

Страница 2: ...ion 1 2 1 3 Lastec Product Warranty 1 3 1 4 LastecComponent Manufacturers Warranties 1 5 1 5 Servicing The Articulator 1 5 1 6 Warranty Registration 1 7 SECTION 2 SAFETY INFORMATION 2 1 2 1 Warning Sy...

Страница 3: ...k Drive Belt 3 13 3 17 Mower Deck Belts 3 14 3 18 Weight Transfer Springs 3 15 3 19 Blades 3 16 3 20 Operator Seat 3 17 3 21 Steering Control Arms 3 17 3 22 Lights 3 17 3 23 Mower Deck Height 3 18 3 2...

Страница 4: ...ry 50 Operating Hours 5 3 5 6 Every 100 Operating Hours 5 3 5 7 Every 200 Operating Hours 5 3 5 8 Every 400 Operating Hours 5 3 5 9 Every 500 Hours 5 4 5 10 Every 800 Hours 5 4 5 11 Annual 5 4 5 12 Bi...

Страница 5: ...To The Owner To The Owner 425HD MD masterdoc101602 1 1 1 SECTION 1 TO THE OWNER...

Страница 6: ...lator is dependent upon its operation within the guidelines and limitations as outlined in this manual Always adhere to all the safety rules presented in this manual 1 2 Product Registration Immediate...

Страница 7: ...d business or temporary use facility that the equipment manufactured by warrantor and any optional equipment or accesso ries purchased at the same time will be free from defects in material and workma...

Страница 8: ...t meets or complies with the requirements of a particu lar safety code or governmental requirements Design Changes Warrantor reserves the right to change the design of its products from time to time w...

Страница 9: ...er mechanical equipment the Articulator requires routine inspection cleaning and maintenance When servicing the Articulator be sure to use only genuine Lastec parts Utilization of substitute parts wil...

Страница 10: ...This Page Has Been Intentionally Left Blank 1 LASTEC...

Страница 11: ...of purchase Articulator Model How did you hear about Lastec Who referred you to the Articulator Date Purchased Distributor Dealer Purchased From How Did You Hear About Us The Articulator Average Opera...

Страница 12: ...This Page Has Been Intentionally Left Blank 1 LASTEC...

Страница 13: ...Safety Information Safety Information 425HD MD masterdoc101602 2 1 2 SECTION 2 SAFETY INFORMATION...

Страница 14: ...as damage to equipment serious personal injury or even fatal injury are possible perhaps even likely if the accompanying instructions or procedures are not heeded Caution This symbol indicates a pote...

Страница 15: ...ensive field experience and engineering data some information presented herein may be general in nature due to unknown and or varying operating conditions However these instructions combined with your...

Страница 16: ...sTec products Unfor tunately our extensive efforts to provide safe equipment can be negated by a single care less act of an operator In addition to the design and configuration of the Articulator haza...

Страница 17: ...icula tor engine area to avoid a fire hazard Always perform the pre operation equipment inspection and the appropriate mainte nance schedule Section 5 before operating the Articulator Do not change th...

Страница 18: ...scharge in the direction of bystanders vehicles or buildings Do not stop or start suddenly when going up or down a hill Avoid operating on steep slopes Do not mow in reverse unless absolutely necessar...

Страница 19: ...ransport position while the blades are engaged Never engage the blades with the mower deck raised into transport position Never place your hands or feet under the Articulator while the engine is runni...

Страница 20: ...rating condition with all safety devices in place Check the blades frequently Verify that they are sharp free of nicks and cracks and securely fastened Periodically tighten all bolts nuts and screws a...

Страница 21: ...e or spark Allow the engine to cool before storing in an enclosed area Thoroughly clean the entire drive unit engine compartment and both the top and bottom of the mower deck before storing Sand chipp...

Страница 22: ...This Page Has Been Intentionally Left Blank 1 LASTEC...

Страница 23: ...425HD MD INITIAL SETUP 425HD MD INITIAL SETUP 425HD MD masterdoc101602 3 1 3 SECTION 3 425HD MD INITIAL SETUP...

Страница 24: ...3 bolts and nuts into front rear pivot plates Tighten all hardware You may find it easier to install the rear pivot pin if you lift the rear wheel for greater clear ance 6 Install the deck belt from d...

Страница 25: ...erator seat just in front of the left steering control arm To set the parking brake grasp the handle and pull upward increasing the brake tension until the tension prevents any further travel of the h...

Страница 26: ...fuel oil will adversely affect the engine Always use a strainer when filling the fuel tank Contaminants in the fuel can adversely affect the fuel injection pump Do not allow the fuel tank to drain co...

Страница 27: ...ubber latches located at the front of the engine cover Using the handle on top of the cover lift the cover back all the way until the limit cables become taut holding the cover in the open position Cl...

Страница 28: ...e of the lawn care industry it is assumed that oper ation of the Articulator will typically be in air temperatures within the above listed range In the unlikely event that you will be operating the Ar...

Страница 29: ...s Check the entire coolant system for any leaks Areas to inspect include the radiator over flow tank all hoses clamps and fittings the entire engine area and under the engine If any leaks are discover...

Страница 30: ...ydraulic oil tank is located under the engine cover to the left of the engine Make sure the hydraulic oil level remains at the FULL mark at all times Do not overfill Inspect the entire hydraulic syste...

Страница 31: ...begins turning faster turn the link arm in the opposite direction until it slows and eventu ally stops Tighten the jam nut to lock the link arm into this position 5 When finished turn off the drive u...

Страница 32: ...to the frame If in order to adequately tension the belt the pump pivots excessively past square or comes into contact with any peripheral apparatus you need to replace the belt If the belt you are ch...

Страница 33: ...the oil Use Exxon Spartan Synthetic EP 100 gear oil Inspect the entire area around and under the gearbox for any oil leakage If a leak is dis covered repair it and refill the gearbox before operating...

Страница 34: ...h pulley the straight edge will align to the mid point of the land on the gearbox pulley If the pulley alignment is not correct then loosen the gearbox pulley and reposition it so that 7 16 of the gea...

Страница 35: ...out adequately tightening the belt it is likely you have installed the wrong size belt Contact your LasTec dealer for the proper belt lengths for your Articulator If you are unable to install a new be...

Страница 36: ...s to its maximum stroke without adequately tightening the belt it is likely you have installed the wrong size belt Contact your LasTec dealer for the proper belt lengths for your Articulator If you ar...

Страница 37: ...located under the operator seat pan running from the mounting bolt on the right front of the frame to the two pivot arms located in front of the right steering control arm The pivot arms extend to the...

Страница 38: ...t hold the blade on to a recommended torque value of 45 ft lbs of pressure Be sure the lift fins are oriented to the top of the blades Verify that the mount bolts are secure the blades are sharp and f...

Страница 39: ...o neutral position which is straight up and down and centered with the neutral position lock notch in the frame Be sure to return and lock both control arms into neutral position The control arms can...

Страница 40: ...eight positions are knurled for quick identification To adjust the deck height push the deck height control valve located behind the control box forward to remove the tension from the deck height adju...

Страница 41: ...ust the cable on the rocker loosen the front nut at the end of the deck cable Adjust the two rear nuts to raise or lower the deck When standing in front of the rocker turning the rear cable nuts count...

Страница 42: ...tioned on a flat surface The 2 blocks need to be positioned at the closest point to each wheel 7 Starting with the center deck first adjust the cable by loosening the front nut at the end of the deck...

Страница 43: ...ase as necessary Check that each wheel swivels freely in the shaft pivot collar and the bushings are in good condition If any wheel does not swivel freely clean and grease the shaft collar assembly Re...

Страница 44: ...ot activated or the steering control arms are not locked into neutral position you cannot crank the engine Once you have verified the activation of both the operator present and neutral start lights T...

Страница 45: ...electrolyte is taken internally drink large quantities of water or milk Follow with milk of magnesia beaten egg or vegetable oil Call a physician immedi ately If electrolyte is spilled or splashed on...

Страница 46: ...eck lift arm locked into transport position Turn off the engine Adjust the manual deck lift arm The manual deck lift arm lifts the right side of the mower deck into transport position It is located to...

Страница 47: ...creasing The Spring Tension Could Cause Serious Damage Use LasTec Part No 018818 ONLY Check the mower deck drive belt and idler tension spring for proper installation tension and condition Clean entir...

Страница 48: ...y that the battery has sufficient charge to start the engine Check engine for abnormal exhaust or sounds Check oil pressure and coolant temperature lights Check the hydraulic manual mower deck lift ar...

Страница 49: ...Operating Procedures Operating Procedures 425HD MD masterdoc101602 4 1 4 SECTION 4 OPERATING PROCEDURES...

Страница 50: ...steering control arm is not locked into neutral position you cannot crank the engine Activation of these switches is indicated by the operator present and neutral start lights on the control panel th...

Страница 51: ...cranking by turning the key switch counter clockwise to the OFF position Repeat steps 1 through 3 If after several attempts the engine will still not start discontinue the starting process until the...

Страница 52: ...l before operating the Articulator Verify that all safety covers are in place and secure before operating the Articulator Start the engine refer to the Starting The Engine section of this manual for t...

Страница 53: ...tly at relatively high ground speeds Reduced ground speed is required when operating on severe con tours when cutting excessively tall wet or thick grass or when traveling up or down large or steep hi...

Страница 54: ...aging the blades of all four decks simultaneously The blades may only be engaged while the engine is running In order to engage the blades the operator present switch located within the operator seat...

Страница 55: ...Maintenance Maintenance 425HD MD masterdoc101602 5 1 5 SECTION 5 MAINTENANCE...

Страница 56: ...nal securely fastened and in good con dition Calibrate cables if needed Verify proper installation operation and flow of grass chute Inspect entire Articulator for loose or entangled parts debris obst...

Страница 57: ...ges from weep hole in bearing housing Inspect all bronze bushings for wear Check and clean if necessary any debris that may have accumulated during operation 5 6 Every 100 Operating Hours Clean or rep...

Страница 58: ...ush radiator 1 Replace engine fan and alternator belts 1 5 10 Every 800 Hours Check engine valve clearance 1 5 11 Annual Replace air cleaner filter elements 1 Change the hydraulic oil filter 5 12 Bi A...

Страница 59: ...ed and in good condition Verify proper installation operation and flow of grass chute Inspect entire Articulator for loose or entangled parts debris obstructions neglected tools other hazards Change h...

Страница 60: ...wer 85890 P706 Deck D2 Belt Deck Drive Goodyear Insta Power 85930 028083 Deck D3 Belt Goodyear Insta Power 85870 P707 Deck D4 Belt Goodyear Insta Power 85890 P706 Gearbox Curtis Model 215 Rat 1 1 Rev...

Страница 61: ...Power 38 HP High Low Idle Speed 3000 RPM 800 RPM Compression Ratio 23 1 Dry Weight 242 5 lbs Oil API Service Class SC or SH Visc SAE 10W 30 Oil Capacity 6 0L 6 34 qt Oil Filter Kubota 16271 32090 018...

Страница 62: ...c101602 Maintenance 5 15 Hydraulic System Diagram 425HD 425D Hydraulic Schematic Right Motor Left Motor Tank Filter Right Pump Dotted lines represent high pressure lines Left Pump Low Pressure Cooler...

Страница 63: ...028369 61 028370 61 028370 96 028371 018766 40 018778 56 018777 018767 20 018776 018348 B 61 018769 018767 018767 18 018857 W i n g C y l W i n g C y l Wing Valve Deck Cyl Deck Valve Right Pump Right...

Страница 64: ...lic System Diagram 425MD 61 028370 61 028370 56 018777 56 018777 018766 40 018778 018767 20 018776 018348 56 018777 018767 018767 18 018857 Deck Valve Right Pump Right Motor 9 018775 Low Pressure Pump...

Страница 65: ...ing Brake 024237 Seat J3 A J3 B J4 B J1 B J5 B J5 A J1 A J4 A Oil Pressure on engine P8 J2 7 J2 8 J2 3 J2 6 J2 1 J2 4 J2 2 J2 5 P4 4 P1 3 P1 6 P1 9 P2 A Clutch Sol P2 B P4 2 P1 7 P1 4 P4 1 Water Temp...

Страница 66: ...Maintenance Deck Belt Illustration 5 5 12 425HD MD masterdoc101602 Maintenance 5 18 Deck Belt Illustration 1 1 2 2 3 3 018052...

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