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MODELS 317B/318/319

TRAILER

OPERATOR’S MANUAL

1900 North Street

Marysville, KS 66508

(785)562-5381

F-264-398

3/98

Summary of Contents for 317B

Page 1: ...MODELS 317B 318 319 TRAILER OPERATOR S MANUAL 1900 North Street Marysville KS 66508 785 562 5381 F 264 398 3 98...

Page 2: ...a defective part This warranty is void if any part not supplied by LANDOLL is used in assembly or repair or if the machine has been altered abused or neglected LANDOLL repair parts are warranted for n...

Page 3: ...MODELS 317B 318 319 TRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO...

Page 4: ...wever NHTSA cannot become involved in individual prob lems between you your dealer or Landoll Manufacturing To contact NHTSA you may either call the Auto Safety Hotline toll free at 1 800 424 9393 or...

Page 5: ...TE CONTROL OPTION 3 17 3 15 DOCK LEVELER CONTROL OPERATION 3 19 3 16 HYDRAULIC POWER SUPPLY ENGINE OPERATION 3 20 3 17 AIR RIDE OPERATION 3 23 3 18 FRONT EXTENSION BULKHEADS 3 23 3 19 REAR IMPACT GUAR...

Page 6: ...IF NOT AVOIDED WILL RESULT IN DEATH OR SERIOUS INJURY WARNING WARNING INDICATES A POTENTIALLY HAZARDOUS SITUA TION WHICH IF NOT AVOIDED COULD RESULT IN DEATH OR SERIOUS INJURY CAUTION CAUTION INDICAT...

Page 7: ...VE ANY QUESTIONS CONTACT LANDOLL CORPORATION 1900 NORTH STREET MARYSVILLE KANSAS 66508 or phone 785 562 5381 or 800 428 5655 or FAX 785 562 4893 SECTION 5 is a troubleshooting guide to aid in diagnosi...

Page 8: ......

Page 9: ...SETTING MODEL 317B 18 OR 24 Standard is 24 MODELS 318 319 24 OR 30 Standard is 30 UNDERCARRIAGE TRAVEL LOW LOAD ANGLE 14 0 GROUND LOAD ANGLE LOW LOAD ANGLE 8 5 MAX TILT ANGLE 13 3 DOCK LEVELER CAPACIT...

Page 10: ...250 FT LBS TORQUE ARM CLAMP NUTS 60 FT LBS WHEEL FASTENERS ALL MODELS OUTER SPINDLE NUTS 250 400 FT LBS PILOT WHEEL NUTS 450 500 FT LBS DISK WHEEL INNER WHEEL NUTS 450 500 FT LBS DISK WHEEL OUTER WHEE...

Page 11: ...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 16 150 188 220 275 320 400 7 8 9 12...

Page 12: ...146 75 85 16 115 125 202 218 109 121 20 160 180 248 272 213 237 24 185 215 303 327 238 262 32 250 290 310 340 LANDOLL CORPORATION HYDRAULIC FITTING TORQUE SPECIFICATIONS 37o JIC ORS ORB REV 10 97 THIS...

Page 13: ...psi This may be done within the truck using the trailer parking emergency valve or be disconnecting the emergency glad hand 3 1 3 Air Brake System The air brake system of the semitrailer is oper ated...

Page 14: ...3 2 Figure 3 1 Front Trailer Terminology Figure 3 2 Rear Trailer Terminology...

Page 15: ...vehicle just inches ahead of the semi trailer Set tractor parking brake 3 2 2 Check the semitrailer king pin plate height The king pin plate should be the same height to slightly lower than the latch...

Page 16: ...OPERA TIONS AND UNCOUPLING FAILURE TO STAY CLEAR CAN RESULT IN SE RIOUS PERSONAL INJURY OR DEATH 3 3 1 Verify the semitrailer wheels are chocked and brakes function properly 3 3 2 Make certain the co...

Page 17: ...PATH 3 5 1 With hydraulic power operating raise landing gear a For pin drop landing gear activate the TRAILER TILT lever UP See Figure 3 4 until weight is off the landing gear Raise landing gear See...

Page 18: ...3 6 Figure 3 4 Hydraulic Controls...

Page 19: ...the oil in each hub for proper level and freedom from contamination If hubs are contaminated with water dirt or some other foreign material clean before transporting 3 5 9 Check tractor air pressure P...

Page 20: ...ler wheels track to the in side of the towing vehicle during turns Thus turning corners requires a wide swing to pre vent curb hopping and to allow the semi trailer wheels to clear any obstacle on the...

Page 21: ...i trailer WARNING ALWAYS CHECK BEHIND AND UNDER THE TRUCK AND SEMITRAILER FOR PERSONS OR OBJECTS BEFORE MOVING FAILURE TO CHECK CAN LEAD TO SERIOUS PERSONAL IN JURY OR DEATH TO OTHERS OR DAMAGE TO PRO...

Page 22: ...art operation of hydraulic power sys tem If the hydraulic engine package is in stalled start and warm up engine following engine operating instructions in Section 3 16 Read engine operator s manual 3...

Page 23: ...tiedown in case load tiedown fails but is not to replace tie downs 3 11 10 To adjust trailer to a transport position alternate between tilting the front of the bed up toward full tilt position and mo...

Page 24: ...3 12 Figure 3 5 Steps for Loading and Unloading...

Page 25: ...rward The maximum load an gle 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 toward rear unti...

Page 26: ...rear as trailer wheels become unloaded Keep part of the load on the wheels and part on the approach plate Never move undercarriage so far to the rear that the approach plate is lifted off the ground...

Page 27: ...RAULIC lever See Figures 3 1 and 3 4 is located on the front lower deck driver s side frame member It is the center lever and has three positions UP This position will cause the winch to reel cable on...

Page 28: ...he spool to free wheel and the winch is not affected by use of the Winch In Out lever LEFT When the handle is placed in this position the winch is engaged and cable may be spooled on or off the winch...

Page 29: ...ike the control levers for the the winch See Section 3 13 1 tilt See Section 3 9 axle See Section 3 10 or winch tension See Section 3 13 2 3 14 5 The triple function wired remote oper ates the winch t...

Page 30: ...3 18 Figure 3 10 Dock Leveler Operation...

Page 31: ...of the semitrailer the corresponding dock leveler cylinder is lowered CENTER This position is neutral for either con trol When either control is in this po sition there is no effect on either cyl inde...

Page 32: ...w the hydraulic controls and ahead of them on the driver s side of the semitrailer Use the key to start and stop the Hydraulic Power Supply Engine See Fig ure 3 11 This switch has three positions OFF...

Page 33: ...ENGINE FOR MORE THAN 30 SECONDS IF ENGINE DOES NOT START CONSULT THE OWNER S MANUAL SUPPLIED WITH THE EN GINE 3 16 7 When the engine starts release the key Gradually push the choke lever in until the...

Page 34: ...3 22 Figure 3 12 Front Extension Bulkhead...

Page 35: ...HE VALVE CONTROL ARMS DOWN ABOUT 45o TO EXHAUST THE AIR TO RESTORE TO NORMAL OPERATION SIMPLY RE VERSE THE PROCEDURE 3 18 FRONT EXTENSION BULKHEADS 3 18 1 Optional bulkheads may come with or without c...

Page 36: ...3 24 Figure 3 13 Rear Impact Guard and Antilock Brake System...

Page 37: ...ards FMVSS No 121 anti lock brake system requires all trailers with air brake systems to have ABS after March 1 1998 Each trailer including a trailer converter dolly shall be equipped with an anti loc...

Page 38: ...y lead to problems found in bearings electrical systems and air systems Moisture attracted by warm parts can con dense collect and freeze to immobilize equipment The truck semitrailer operator must al...

Page 39: ...damage or signs of pending failure Damaged or broken parts must be repaired or replaced at once Deter mine the cause of any binding or hydraulic leakage at once Correct the problem before using the tr...

Page 40: ...4 2 Figure 4 1 Lubrication Points...

Page 41: ...e grease and oil from all parts of the trailer Rinse degreasing solution off with cold water c Inspect semitrailer for cause of any reported troubles WARNING PAINT THINNER AND OTHER SOL VENTS ARE FLAM...

Page 42: ...NMENT I I UNDERCARRIAGE ROLLERS L 3 c HYDRAULIC OIL I I R 1 c HYDRAULIC FILTER R R HOSES I I R WINCH GEAR CASE I I 2 c I Inspect R Replace T Tighten Adjust Torque L Lubricate C Clean NOTES a Perform a...

Page 43: ...24 only X4 CHECK VALVE CLEARANCE extended service life engines X4 CLEAN CARBON AND LEAD DEPOSITS cylinder head X5 NOTES 1 Check for fuel leaks With engine running visually and audibly check exhaust sy...

Page 44: ...the vehicle To continue usage could endanger 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...

Page 45: ...4 7 Figure 4 2 317B 318 319 Wiring Diagram...

Page 46: ...4 8 Figure 4 3 Remote Wiring Diagram...

Page 47: ...ENTER RED DS21 CONTROL PANEL LH DS22 CONTROL PANEL RH DS23 FIRST WINCH LIGHT DS24 FIRST WINCH LIGHT DS25 ABS MALFUNCTION INDICATOR YEL LOW J1 FRONT MAIN CONNECTOR J2 LOWER DECK CONNECTOR J3 U C CONNEC...

Page 48: ...ng contact with wear pad and will result in exces sive wear on the spring suspension Check the shocks for excessive wear b Replacing the equalizer bushings and the torque arm bushings on the spring su...

Page 49: ...cket and pushing the control arm to an up position j Remove the block and reconnect the link age This allows the Automatic Height Control Valve to resume normal operation k Check the air ride height I...

Page 50: ...eading of 16 feet or less per mile is considered satisfactory If a scuff gauge is not readily avail able or edge wear on one side of a tire is occur ring signifying positive or negative camber align m...

Page 51: ...shorter than D1 to insure proper trailer tracking on slope of road 7 The suspensions must be in good repair with no binding or other restrictions before aligning All defective parts of the suspension...

Page 52: ...4 14 Figure 4 6 Checking Axle Alignment CURBSIDE DRIVER SIDE Figure 4 7 Examples of Camber...

Page 53: ...R THE SEMITRAILER IS NECESSARY CHOCK ALL WHEELS OF THE TRAILER AND TRACTOR WHEN JACKING IS NECESSARY CHOCK ALL WHEELS AND SUPPORT THE SEMI TRAILER UNDERCARRIAGE WITH JACK STANDS SUFFICIENT TO WITH STA...

Page 54: ...d store it in its brackets 7 Snap the dust cap back in place on the chamber b Removal 1 Chock all tractor and trailer wheels and drain the air system 2 Mark the brake chamber for proper air line port...

Page 55: ...NT DRAINING THE AIR SYSTEM WILL ALLOW THE TRAILER TO ROLL IF THE WHEELS ARE NOT PROPERLY CHOCKED c Mark the chamber for proper reassembly alignment loosen the clamp bands around chamber and remove the...

Page 56: ...4 18 Figure 4 10 Axle and Brake Assembly...

Page 57: ...e 4 10 1 Release brakes and back off slack adjuster 2 Remove slack adjuster lock ring and slack adjuster 3 Remove drum assembly See Figure 4 10 4 Remove anchor pin retainers washers and bushings 5 Rem...

Page 58: ...r spring onto the shoes 7 Connect slack adjuster to brake chamber pushrod 8 Adjust automatic slack adjuster as outlined in Section 4 8 6b 4 8 6 Automatic Slack Adjusters The semitrailer automatic slac...

Page 59: ...re is not available the spring brake must be manually caged 3 Remove the existing slack adjuster and clevis DO NOT REMOVE EXISTING JAM NUT 4 Install the new clevis with 1 2 pin onto the push rod up to...

Page 60: ...onents 6 Measure the distance from air chamber to 1 2 pin Apply brakes with 100 105 psi air pressure and remeasure distance to 1 2 pins 7 The stroke difference of these two measurements must be less t...

Page 61: ...ecked grooved or worn beyond the rebore limit or the maxi mum diameter c The back plate is cracked d The bolt holes are elongated e The brake drum has been severely over heated f The brake drum is out...

Page 62: ...4 24 Figure 4 13 Inboard Mount Hub and Drum Figure 4 14 Three Spoke Wheel and Drum...

Page 63: ...ne and seal IMPORTANT DO NOT MIX NEW CUPS WITH OLD CONES OR NEW CONES WITH OLD CUPS m If studs are marked R or L right hand R hubs should be installed on the curbside of the vehicle left hand L hubs s...

Page 64: ...eel to in sure proper seating of the bearings and cups in the wheel hub f Loosen the inner adjustment nut so that the wheel will turn freely g Retighten the inner adjustment nut to 50 ft lbs while rot...

Page 65: ...sure will result in damaged tire bodies rims and wheels Replace all valve stem caps when pressure checking adjusting has been com pleted Remove any foreign objects from be tween duals 4 11 2 Tire Matc...

Page 66: ...4 28 Figure 4 18 Mounting Tires and Wheels Figure 4 19 Stud Tightening Sequence...

Page 67: ...ounds for ball seat and 500 to 550 foot pounds for pilot mount using the same se quence h Torque will drop after the first 50 to 100 miles of operation Check the capnuts for proper torque after this i...

Page 68: ...ng Oil level should be maintained be tween the ADD and FULL marks on the oil dip stick For further maintenance proce dures and proper lubrication specifications please refer to the engine owner s manu...

Page 69: ...4 31 Figure 4 20 Dock Leveler Leg Assembly...

Page 70: ...he master cylinder b Disconnect the hoses from the leg c To disassemble leg first remove the check valve assembly Remove o rings and back up washer Using a snap ring pliers remove snap ring Loosen hex...

Page 71: ...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 or semitrailer L...

Page 72: ...eck axle alignment Outerload loads are above rated tire capacity DO NOT load above rated tire capacity SHOULDER TREAD WEAR ONE SHOULDER Axle damage straighten or replace axle Axles not parallel check...

Page 73: ...ust linkage Height Control Valve filter plugged clean or replace valve Pressure Protection Valve filter plugged clean or replace valve System air pressure low 65 PSI minimum required trou bleshoot air...

Page 74: ...OO SLOWLY Brakes need adjusting or lubrication adjust or lubricate as needed Low air pressure in brake system below 105 PSI check tractor air system Restricted tubing or hose locate restriction and re...

Page 75: ...chamber diaphragm replace diaphragm Call Factory or see qualified Trailer Brake Technician Leaking tubing or hose replace defective part EXCESSIVE LEAKAGE WITH EMERGENCY SYSTEM ONLY APPLIED NO LEAKAG...

Page 76: ...draulic system failures follow the same pattern a gradual or sudden loss of pressure or flow with a resulting loss of cylinder or motor power Any one of the system s components may be at fault By foll...

Page 77: ...ssary Restrictions in lines or filter clean and or replace filter or lines Improper adjustments check orifices relief valves etc Adjust as necessary Oil leaks tighten fittings Replace seals gaskets an...

Page 78: ...CYLINDERS MOVE WITH CONTROL VALVE IN NEUTRAL POSITION Leaking cylinder seals or fittings Replace worn seals or fit tings Control valve not centering when released Check linkage for binding and repair...

Page 79: ...aulics connections 5 8 DOCK LEVELER HYDRAULICS SYMPTOM PROBLEM REMEDY FAILS TO LIFT SEMITRAILER Insufficient hydraulic supply pressure adjust relief valve for 2400 2500 psi Worn hydraulic pump service...

Page 80: ...5 10 NOTES...

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