Landoll 425B Series Page 10 Operator'S Manual Download

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F-543-1011 Edition

STANDARD SPECIFICATIONS

DOCK LEVELER CAPACITY:

MODEL 425B, 440, OR 455

1 PAIR 62,000 LB.

MODEL 455 ONLY

2 PAIR 62,000 LB. (124,000 LB.)

HYDRAULIC HOOKUP:

QUICK COUPLERS

FLAT FACE 3/4” BODY SIZE

MAXIMUM OPERATING PRESSURE

2500 PSI

OPERATING FLOW

17 GPM

ELECTRICAL HOOKUP:

7-WAY CONNECTOR

AIR HOOKUP:

COLOR CODED GLAD HANDS

MODEL 425B/440/455

Summary of Contents for 425B Series

Page 1: ...F 543 1011 10 2011 LANDOLL CORPORATION 1900 North Street Marysville Kansas 66508 785 562 5381 800 428 5655 WWW LANDOLL COM 455 Model 425B 440 455 Series Semitrailer Operator s Manual...

Page 2: ......

Page 3: ...er 3 4 Tractor and Semitrailer Check Out 3 5 Towing the Semitrailer 3 7 Parking the Trailer 3 7 Uncoupling Towing Vehicle from Semitrailer 3 8 Trailer Tilt Lever 3 8 Axle Control Lever 3 8 Swingout Ou...

Page 4: ...quipment 4 3 Torque Values 4 3 Cleaning 4 3 Gooseneck Frame and Deck 4 6 Repairing Structural Defects 4 6 Fifth Wheel Latch Adjustment 4 6 Hydraulic System 4 7 General 4 7 Hydraulic Engine Package 4 7...

Page 5: ...Check 4 23 Replacing Slack Adjuster 4 23 Adjusting Slack Adjuster 4 24 Hub and Drum Maintenance 4 25 Wheel Bearing Lubrication and Adjustment 4 27 Adjustment 4 27 Tire Maintenance 4 28 Tire Inflation...

Page 6: ...iv F 543 1011 Edition...

Page 7: ...nance will void your warranty IF YOU HAVE ANY QUESTIONS CONTACT LANDOLL CORPORATION 1900 NORTH STREET MARYSVILLE KANSAS 66508 or phone 785 562 5381 or 800 428 5655 or FAX 888 527 3909 CHAPTER 5 is a t...

Page 8: ...sure you read and understand the information contained in this manual and on the machine signs decals before you attempt to operate or maintain this vehicle The safety statements contained in this ma...

Page 9: ...LE MODEL 455 110 000 LB DISTRIBUTED STANDARD FRAME DESIGN 70 000 LB CONCENTRATED IN 10 SWING OUT OVERWIDTHS AND PULL OUT EXTENSION MAXIMUM CAPACITY IS ONE HALF FRAME CAPACITY LISTED ABOVE GOOSENECK HY...

Page 10: ...25B 440 OR 455 1 PAIR 62 000 LB MODEL 455 ONLY 2 PAIR 62 000 LB 124 000 LB HYDRAULIC HOOKUP QUICK COUPLERS FLAT FACE 3 4 BODY SIZE MAXIMUM OPERATING PRESSURE 2500 PSI OPERATING FLOW 17 GPM ELECTRICAL...

Page 11: ...GREASED THREADS 250 FT LBS DRY THREADS 500 FT LBS SHOCK ABSORBER MOUNTING 150 FT LBS AIR SPRING MOUNTING 1 2 35 FT LBS 3 4 35 FT LBS WHEEL FASTENERS ALL MODELS OUTER SPINDLE NUTS 250 400 FT LBS PILOT...

Page 12: ...62 80 100 1 2 20 40 50 65 81 90 112 9 16 12 55 62 80 100 110 137 9 16 18 60 75 90 112 130 162 5 8 11 75 94 110 137 170 212 5 8 18 85 106 130 162 180 225 3 4 10 130 162 200 250 280 350 3 4 16 150 188...

Page 13: ...FOOT POUNDS PARKER BRAND FITTINGS Dash Size 37 Degree JIC O Ring ORS O Ring Boss ORB 4 11 13 15 17 13 15 5 14 16 21 23 6 20 22 34 36 25 29 8 43 47 58 62 40 44 10 55 65 100 110 57 5 62 5 12 80 90 134...

Page 14: ...2 6 F 543 1011 Edition STANDARD SPECIFICATIONS...

Page 15: ...tion Anti Lock Brake System ABS The Anti Lock Brake System of the semitrailer is constant powered by the auxiliary blue circuit of the seven way electrical connector with backup power from the stop la...

Page 16: ...DING GEAR PARKING STANDS BULKHEAD OPTION WINCH UPPER DECK STORAGE COMPARTMENT UPPER DECK FRONT WORK LIGHT SWITCH OPERATION INSTRUCTION CONTROL PLACARD WINCH CLUTCH AND TENSIONER CONTROL OPTION DOCK LE...

Page 17: ...hydraulic lines or start the semitrailer hydraulic power engine Use the TRAILER TILT lever See Trailer Tilt Lever on page 3 8 or hydraulic landing gear See Landing Gear on page 3 1 to raise or lower t...

Page 18: ...out procedures and parking Connecting Tractor Services to the Semitrailer 1 Connect the towing vehicle 7 pole electrical plug to the electrical receptacle on the front of the semitrailer See Figure 3...

Page 19: ...learance Check operation of remote function if present 6 Check tire inflation adjust as needed to the pressure listed on the semitrailer VIN plate located on the front of the semitrailer 7 Check tract...

Page 20: ...6 F 543 1011 Edition OPERATING INSTRUCTIONS Figure 3 4 Hydraulic Controls WINCH HYDRAULIC LEVER TRAILER TILT LEVER AXLE CONTROL LEVER WINCH CLUTCH AND TENSIONER CONTROL DOCK LEVELER CONTROL m139520 o...

Page 21: ...e gauge on the dash of the towing vehicle Pressure should not fall below 90 psi at any time 3 The semitrailer wheels track to the inside of the towing vehicle during turns Thus turning corners require...

Page 22: ...latch release lever 6 Attempt to pull the tractor forward If the tractor uncouples verify all service lines are disconnected and semitrailer wheels are chocked If tractor does not disconnect repeat st...

Page 23: ...s on outriggers and assemble end to end using braces 3 8 16 x 2 1 4 bolts washers and nuts 4 Plank joints must be centered on outriggers 5 To remove pull out extension reverse steps 1 thru 3 6 Remove...

Page 24: ...tube Reference FMCSR Part 393 87 and applicable state and local regulations concerning flags on projecting loads 5 If required display oversize load signs Figure 3 6 Pull Out Extensions 1 Do not opera...

Page 25: ...gravity of the trailer and load is behind the center of the undercarriage In loading or unloading position the approach plate should be resting on the ground and the undercarriage fully forward CAUTIO...

Page 26: ...3 12 F 543 1011 Edition OPERATING INSTRUCTIONS Figure 3 7 Steps for Loading and Unloading...

Page 27: ...rward or rearward on the load bed to get correct weight distribution on kingpin and the trailer axles and resecure the load with the tiedowns and winch cable 14 Shut down hydraulic power system If hyd...

Page 28: ...oad to tractor WARNING IMPORTANT Maximum angle is only intended if required for unloading non powered products and to transfer load to tractor Transfer load to tractor by raising deck and moving axles...

Page 29: ...page 3 20 Work Light Option The WORK LIGHT SWITCH is on the hydraulic control panel It illuminates the hydraulic control panel and controls the optional work lights mounted on the bulkhead The work li...

Page 30: ...sure to the air fitting b To engage the clutch winch operation Remove all air pressure 0 psi from the air fitting Free Spool Clutch Operation DP Winch DP winches are equipped with either a manual or a...

Page 31: ...ure 3 10 12 000 Winch Manual Clutch Figure 3 11 20 000 Winch Manual Clutch DISENGAGE When the handle is placed in this position the winch is disengaged This allows the spool to free wheel and the winc...

Page 32: ...3 18 F 543 1011 Edition OPERATING INSTRUCTIONS Figure 3 12 Dock Leveler Operation...

Page 33: ...ract the dock levelers when finished Push down the dock leveler controls at the same time to retract the dock leveler legs and lower the semitrailer bed If the deck starts to become unlevel use one co...

Page 34: ...is to aid the starting procedure 4 The HYDRAULIC POWER SUPPLY ENGINE THROTTLE is located to the below the choke on the driver s side of the semitrailer The Engine Throttle controls the speed at which...

Page 35: ...n during loading and unloading operations When moving the undercarriage from transport to load position the undercarriage is tilted with the center axle air bags inflated and rear axle suspension air...

Page 36: ...function radio remote control is available See Figure 3 15 2 The wireless radio remote has six momentary push button switches that operate the functions as labeled on the hand held remote 3 Specifica...

Page 37: ...take longer to charge if the transmitter is on during charging Figure 3 15 Remote Control Transmitter Table 3 1 Transmitter Error Code Chart Table 3 2 Receiver Error Code Chart 5 Synchronizing transmi...

Page 38: ...3 24 F 543 1011 Edition OPERATING INSTRUCTIONS Figure 3 16 Rear Impact Guard and Anti Lock Brake System...

Page 39: ...the rear of the left side of the trailer See Figure 3 16 Decal or lens marking with ABS to identify the lamp The lamp must illuminate one time whenever power is supplied to the ABS At any time the lig...

Page 40: ...can develop due to contraction with cold Do not over tighten 4 Check tire inflation Tire inflation decreases when the temperature decreases 5 Periodically check drain holes in the bottom of the relay...

Page 41: ...orrect the problem before using the tractor or trailer 2 Use Section 5 Troubleshooting Guide to check for SYMPTOMS and PROBLEMS of any trailer system not functioning correctly or where wear distortion...

Page 42: ...INE CRANKCASE 6 WINCH 12 000 LB ONLY 3 WINCH GEAR CASE 2 WINCH CABLES 4 VIEW A A SLACK ADJUSTERS CAMSHAFT BUSHINGS CAM FOLLOWERS REAR ROLLER 3 A A HUB OIL 5 BOTH SIDES PARK STANDS 3 CABLE ROLLERS 3 KI...

Page 43: ...ase and oil from all parts of the trailer Rinse degreasing solution off with cold water 3 Inspect semitrailer for cause of any reported troubles WARNING 4 Scrape sand prime and repaint areas where fin...

Page 44: ...EAR I I f WHEEL LUG NUTS I T I I T b SUSPENSION ALIGNMENT I I UNDERCARRIAGE ROLLERS L 3 c HYDRAULIC OIL I I R 1 c HYDRAULIC FILTER R R HOSES Inspect Replace as needed I I I R WINCH GEAR CASE I I 2 c I...

Page 45: ...X4 CHECK VALVE CLEARANCE LP and natural gas conversion engines X4 CHECK VALVE CLEARANCE extended service life engines X4 CLEAN CARBON AND LEAD DEPOSITS cylinder head X4 NOTES 1 Check for fuel leaks Wi...

Page 46: ...the trailer its load personnel traffic and properties If any cracks or breaks are found contact the Landoll factory for repairs Inspect the deck daily for broken or missing planks or missing attachme...

Page 47: ...should be set at 2500 psi Hydraulic Engine Package 1 Check the hydraulic oil level weekly or after any leakage See Table 4 1 for proper hydraulic oil Check oil level with the undercarriage cylinders...

Page 48: ...LIGHTS S1 DS23 DS24 DS25 DS26 LIGHT SWITCH 7 WAY RECEPTACLE FRONT OF TRAILER MARKER SLOPE LEFT DS5 MARKER SLOPE RIGHT DS6 MARKER LEFT TURN DS7 MARKER RIGHT TURN DS8 MARKER MID LEFT DS9 MARKER MID RIGH...

Page 49: ...ol schematic ORANGE AXLE AHEAD OUTPUT YELLOW AXLE BACK OUTPUT BROWN WINCH IN OUTPUT BLUE WINCH OUT OUTPUT GREEN TILT UP OUTPUT WHITE TILT DOWN OUTPUT BLACK GROUND RED POWER 9 TO 30 VDC 9 TO 30 VOLT WI...

Page 50: ...KER YELLOW J9 ABS LAMP CONNECTOR DS10 MID RIGHT SIDE MARKER YELLOW J10 ABS ECU VALVE CONNECTOR DS11 LEFT REAR SIDE MARKER RED J11 GRND CONN TO SOLENOID VALVES DS12 RIGHT REAR SIDE MARKER RED J12 PWR A...

Page 51: ...ne fittings for proper torque see torque chart below Air Spring Connections Only First number listed is torque required if bolt head designated with Neway Second number listed is torque required if bo...

Page 52: ...Edition MAINTENANCE AND LUBRICATION Figure 4 5 Tandem Axle Air Ride Suspension System Figure 4 6 Air Ride Height Adjustment EXHAUST PORT OUT TO AIR BAGS IN FROM AIR SUPPLY TANK LOCATED ON BUMPER 762m...

Page 53: ...48 inch lbs 5 Retighten the 1 4 adjusting lock nuts at the adjusting blocks to 24 48 in lbs 6 Remove the locating pin 7 The block can now be removed by using the height control valve as an improvised...

Page 54: ...TROL INNER HOLE SETTING TRANSPORT RIDE HEIGHT TOP OF CENTER AXLE LOWER BRACKET ON AXLE CONTROL LINKAGE BOTTOM HOLE FOR TRANSPORT DOWEL PIN LOCATOR N C NORMALLY CLOSED PORT ACTIVATED AT LOADING SUSP CO...

Page 55: ...point end against the inner and outer wheel bearing surfaces of the spindle being checked and the other point on the inner bearing surface on the other spindle See Figure 4 8 3 Move the axle gauge an...

Page 56: ...axles must be replaced immediately Air Ride Suspension Axles The air ride suspension is aligned and adjusted at the factory and it should not be necessary to align the axles If however it does become...

Page 57: ...MAINTENANCE AND LUBRICATION 4 17 Figure 4 9 Checking Axle Alignment Figure 4 10 Examples of Camber...

Page 58: ...in cock on the bottom of each air reservoir vents the tank to drain collected water and oil If held open air pressure in the tanks is relieved causing the emergency or parking brakes to be applied See...

Page 59: ...in the air system 2 Mark the brake chamber for proper air line port alignment for reassembly 3 CAGE THE POWER SPRING following the steps outlined in Caging the Power Spring on page 4 19 4 Disconnect t...

Page 60: ...slack adjusters which compensate for brake lining wear and keep brakes adjusted Brakes should not be adjusted manually except when relining brakes Disassembly for 12 1 4 X 7 1 2 Brakes 1 Release brak...

Page 61: ...MAINTENANCE AND LUBRICATION 4 21 Figure 4 13 Axle and Brake Assembly...

Page 62: ...nd remove the lower cam roller Lift the top shoe and take out the top cam roller 6 Lift out the shoe retractor spring which is now free of tension 7 Swing the lower shoe back approximately 180o to rel...

Page 63: ...d position to the applied position by marking the push rod where it exits the air chamber before and after application 7 If the brakes have been running tight the control arm location should be checke...

Page 64: ...cut to length 14 Install the slack adjuster on the cam shaft 15 Rotate the manual adjuster shaft CW until the slack adjuster arm holes align with the clevis Install 1 2 and 1 4 pins and cotter pins Ad...

Page 65: ...nal wear WARNING 3 Replacement of the brake drum is required if any of the following conditions exist a The brake drum is cracked b The brake surface is heat checked grooved or worn beyond the rebore...

Page 66: ...marked R or L right hand hubs should be installed on the curbside of the vehicle left hand L hubs should be installed on the driver side WARNING l Place the hub or wheel over the axle spindle being ca...

Page 67: ...wheel to insure proper seating of the bearings and cups in the wheel hub 6 Loosen the inner adjustment nut so that the wheel will turn freely 7 Retighten the inner adjustment nut to 50 ft lbs while ro...

Page 68: ...has been completed Remove any foreign objects from between duals Tire Matching Both tires on the same spindle must be the same size in order to properly distribute the load and braking forces between...

Page 69: ...and brake drum 3 Position the outer disc wheel being careful not to damage the threads Be sure the valve stems for both the inner and outer tire are accessible 4 Install the flange nut and tighten to...

Page 70: ...trailer is going to be out in the weather for any length of time it is advisable to oil the winch cable to prevent untimely rusting and deterioration of the cable See Table 4 1 for lubrication specifi...

Page 71: ...PISTON ROD WEAR RING PISTON SEAL WEAR RING SNAP RING PISTON STABILIZER LEG CHECK VALVE ASSEMBLY SEE NEXT PAGE O RING BACKUP WASHER SNAP RING HEX HEAD CAP SCREW SPLIT LOCK WASHER HEAD RETAINER CYLINDE...

Page 72: ...Leg Check Assembly STABILIZER LEG CHECK VALVE PRIOR TO 03 19 2010 STABILIZER LEG CHECK VALVE AFTER 03 19 2010 RETAINING PLUG BACKUP WASHER O RING CHECK VALVE SPRING POPPET PLUG SIDE SECTION FRONT SECT...

Page 73: ...fully remove spiral retaining ring Lift piston rod assembly out of cylinder tube 7 Using a large snap ring pliers remove heavy duty snap ring or remove the set screw Remove the piston cylinder head re...

Page 74: ...WASHER PINION SHAFT 1 SPEED ROLL PIN COVER SCREW COVER 2 SPEED THRUST BEARING COLLAR INNER LEG ASSEMBLY STD SHOE SHOE AXLE OUTPUT SHAFT SPIRAL PIN INPUT SPUR GEAR BUSHING SHIFT HOUSING SHIFT HOUSING B...

Page 75: ...hen drive out output shaft by placing a punch through hole in output spur gear and driving the shaft out Now both items can be removed e Remove cap plug Shift input gear shaft to the high gear positio...

Page 76: ...4 36 F 543 1011 Edition MAINTENANCE AND LUBRICATION Page Intentionally Blank...

Page 77: ...ires Replace wire Ground wire loose Clean and tighten ground LIGHTS FLICKERING Wires shorted or loose Locate insulate replace or tighten Grounding through fifth wheel Locate broken ground wire tractor...

Page 78: ...LDERS Under inflation Increase inflation to correct PSI Check axle alignment See Tire Inflation on page 4 28 Overload Loads are above rated tire capacity DO NOT load above rated tire capacity SHOULDER...

Page 79: ...rs Replace defective parts Axles not parallel Re align axles AIR RIDE HEIGHT PROBLEMS TOO HIGH Axle to control valve linkage Readjust linkage Height Control Valve internal leak Repair or replace valve...

Page 80: ...ricate per Figure 4 1 Worn brake shoe bushing Replace bushing Brake drum distortion Replace drum Broken brake chamber spring Replace spring Brake chamber pushrod binding Re align brake chamber bracket...

Page 81: ...XCESSIVE LEAKAGE WITH BRAKES RELEASED Relay emergency valve leaking Repair or replace valve Leaking tubing or hose Replace defective part EXCESSIVE LEAKAGE WITH BRAKES APPLIED Relay emergency valve le...

Page 82: ...s Also check for operating conditions or loads that create severe or excessive brake applications BRAKES PULL TO EITHER SIDE Drums of different diameters Replace with drums of same diameter Foreign ma...

Page 83: ...xcessive load Check unit specifications for load limit See Standard Specifications on page 2 1 Slipping or broken pump drive Repair or replace couplings Check for alignment SYSTEM OPERATES ERRATICALLY...

Page 84: ...y oil Replace clean or add oil as needed Water in oil Replace oil Air leaks Check suction line and component seals for suction leaks Replace defective parts NOISY PUMP Low incorrect foamy oil Replace...

Page 85: ...or error indication Self explanatory Check hydraulic system Clean or replace as necessary Check electrical system Tighten loose connections FUNCTIONS OPERATE INTERMITTENTLY Loose connector at the val...

Page 86: ...5 10 F 543 1011 Edition TROUBLESHOOTING GUIDE...

Page 87: ......

Page 88: ...Model 425B 440 455 Semitrailer Operator s Manual Re Order Part Number F 543 1011 LANDOLL CORPORATION 1900 North Street Marysville Kansas 66508 785 562 5381 800 428 5655 WWW LANDOLL COM F 543 1011 10...

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