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Landoll 930E Operator's Manual

Hydraulic tail semitrailer
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930E/950E
Hydraulic Tail Semitrailer
Operators Manual
LANDOLL CORPORATION
1900 North Street
Marysville, Kansas 66508
(785) 562-5381
800-428-5655 ~ WWW.LANDOLL.COM
F-1005-1018
10/2018 - Present

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  • Page 1 930E/950E Hydraulic Tail Semitrailer Operators Manual LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM F-1005-1018 10/2018 - Present...
  • Page 2 TABLE OF CONTENTS F-1005-1018...
  • Page 3 Table of Contents Introduction and Safety Information Introduction ..............1-1 Understanding Safety Statements .
  • Page 4 TABLE OF CONTENTS Maintenance and Lubrication Maintenance Schedule ............4-1 Inspection .
  • Page 5 TABLE OF CONTENTS Straight Edge or String Method ..........4-26 Mounting Tire and Wheel .
  • Page 6 TABLE OF CONTENTS F-1005-1018...
  • Page 7 TABLE OF CONTENTS Introduction and Safety Information Introduction This manual provides operating, servicing, and maintenance instructions for Model 930E/950E semitrailer, manufactured by Landoll Corporation, Marysville, Kansas 66508. CHAPTER 1 Gives basic instructions on the use of this manual and understanding the safety statements.

  • Page 8: Understanding Safety Statements

    Make 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 manual relate to the operation of the Model 930E/950E semitrailer. F-934-0418...
  • Page 9 Chapter 2 TABLE OF CONTENTS Standard Specifications MODEL 930E/950E CAPACITY 70,000 LB. Distributed MODEL 930E TANDEM AXLE DECK RATING 50,000 LB. Distributed HYDRAULIC TAIL RATING 24,000 LB. Distributed 100,000 LB. Distributed MODEL 950E TRIPLE AXLE 70,000 LB. Distributed DECK RATING HYDRAULIC TAIL RATING 24,000 LB.
  • Page 10 TABLE OF CONTENTS STANDARD SPECIFICATIONS SPECIFIC BOLT TORQUES EQUALIZER BEAM PIVOT AND ADAPTER BOLTS- 550 FT. LBS. DESIGNATED W/ HOLLAND NEWAY ON BOLTHEAD 4” AND 5” CAM FOLLOWERS ATTACHED TO UNDERCARRIAGE GREASED THREADS 250 FT. LBS DRY THREADS 500 FT. LBS SHOCK ABSORBER MOUNTING 150 FT.

  • Page 11: General Torque Specifications

    TABLE OF CONTENTS STANDARD SPECIFICATIONS General Torque Specifications (rev. 4/97) TORQUE SPECIFIED IN FOOT POUNDS - This chart provides tightening torques for general purpose applications when special torques are not specified on process or drawing. Assembly torques apply to plated nuts and capscrews assembled without supplemental lubrication (as received condition).

  • Page 12: Hydraulic Fitting Torque Specifications

    TABLE OF CONTENTS STANDARD SPECIFICATIONS Hydraulic Fitting Torque Specifications TORQUE IS SPECIFIED IN FOOT POUNDS- 37 JIC, ORS, & ORB (REV. 10/97) This chart provides tightening torques for general purpose applications when special torques are not specified on process or drawing.

  • Page 13: Landing Gear

    Chapter 3 TABLE OF CONTENTS Operating Instructions General Anti-Lock Brake System (ABS) This section supplies information for operation of the The Anti-Lock Brake System of the semitrailer is constant semitrailer. It describes and locates controls and gives powered by the auxiliary (blue) circuit of the seven-way general operation procedures.
  • Page 14 TABLE OF CONTENTS OPERATING INSTRUCTIONS Lower Deck Undercarriage Axles Upper Deck Suspension Lights Decals Landing Gear Hydraulic Connections Figure 3-1: Trailer Terminology F-1005-1018...
  • Page 15 TABLE OF CONTENTS OPERATING INSTRUCTIONS Electrical  WARNING The only electrical operation required of the operator is Failure to chock semitrailer wheels could allow interconnection of the towing vehicle electrical cable plug movement of the semitrailer resulting in serious with the semitrailer electrical receptacle. personal injury, death, or damage to property in It is necessary that the tractor blue wire be connected to its path.
  • Page 16 TABLE OF CONTENTS OPERATING INSTRUCTIONS Service Air Supply Winch Flow Bypass Hydraulic Return to Tank Pressure Port Hydraulic Pressure Port Emergency Air Supply 7-Pin Electrical Connection Figure 3-2: Service Hookups F-1005-1018...
  • Page 17 TABLE OF CONTENTS OPERATING INSTRUCTIONS Coupling of the Tractor to the Connecting Tractor Services to Semitrailer the Semitrailer 1. Connect the towing vehicle 7-pole electrical plug to the electrical receptacle on the front of the semitrailer  DANGER (See Figure 3-2.) Keep all personnel clear of front, rear, and sides IMPORTANT...
  • Page 18 TABLE OF CONTENTS OPERATING INSTRUCTIONS Tractor and Semitrailer  CAUTION Check-Out 1. Landing gear legs must be fully retracted. Pin  drop landing gear must be secured with pins WARNING before operating or moving semitrailer. Failure to properly set and check parking brake, 2.
  • Page 19 TABLE OF CONTENTS OPERATING INSTRUCTIONS Towing the Semitrailer  WARNING  CAUTION Always check behind and under the truck and semitrailer for persons or objects before moving. When operating semitrailer, do not back over Failure to check can lead to serious personal curb.
  • Page 20 TABLE OF CONTENTS OPERATING INSTRUCTIONS Parking the Trailer 3. Disconnect the emergency and service air lines and attach them to the tractor gladhand holders. If 1. Position truck/semitrailer rig on a level, solid surface. present, install dummy gladhands on trailer 2.

  • Page 21: Air Suspension Dump Valve

    TABLE OF CONTENTS OPERATING INSTRUCTIONS Axle/Tail Control Knob Air Suspension Dump Valve The Axle/Tail Control Knob is located on the control panel 1. The 900E Series semitrailer comes equipped with a (See Figure 3-3.) The knob is used both for “dump valve”...
  • Page 22 TABLE OF CONTENTS OPERATING INSTRUCTIONS Figure 3-3: Controls Panel 4-10 F-1005-1018...

  • Page 23: Loading Procedure

    TABLE OF CONTENTS OPERATING INSTRUCTIONS Loading Procedure 3. Start operation of hydraulic power system. If the hydraulic engine package is installed, start and warm  up engine following engine operating instructions in DANGER “Hydraulic Power Supply Engine Operation (Option)” on page 3-20 (Read engine operator’s 1.
  • Page 24 TABLE OF CONTENTS OPERATING INSTRUCTIONS TAIL UNDERCARRIAGE DOCK LOAD POSITION TRANSPORT POSITION TAIL UNDERCARRIAGE GROUND LOAD POSITION Figure 3-4: Steps for Loading and Unloading 4-12 F-1005-1018...

  • Page 25: Securing The Load

    TABLE OF CONTENTS OPERATING INSTRUCTIONS Securing the Load  CAUTION  WARNING Model 930 semitrailer maximum concentrated load in a 10ft. area is 50,000 lbs. Model 950 Do not allow slack in tiedowns. A shifting load semitrailer maximum concentrated load in a 10ft. may create enough momentum to break hi-test area is 70,000 lbs.

  • Page 26: Unloading Procedure

    TABLE OF CONTENTS OPERATING INSTRUCTIONS Unloading Procedure  WARNING 1. Practice all standard industrial safety standards. When removing load, ensure that the load is 2. Park the tractor/semitrailer in a straight line on a level steering straight so it does not maneuver off the even surface (See Figure 3-4.) Set the tractor brakes...
  • Page 27 TABLE OF CONTENTS OPERATING INSTRUCTIONS Winch, Controls and Options WINCH HYDRAULIC KNOB This position will cause the winch to  DANGER reel cable onto the winch spool when PUSH IN the winch clutch handle is engaged. 1. The winch is not designed or intended to be This is the neutral position.
  • Page 28 TABLE OF CONTENTS OPERATING INSTRUCTIONS Free Spool Clutch Operation ENGAGE (Warn Winch) Warn Series XL winches are equipped with either a PULL manual or air operated freespool clutch depending on the model. 1. The manual freespool clutch is operated by DISENGAGE depressing the detent latch and turning the clutch knob as indicated on the winch label.
  • Page 29 TABLE OF CONTENTS OPERATING INSTRUCTIONS Dock Lift Arm Control Operation (Option) DOCK LIFT ARM CONTROL BUTTON/SWITCH  ENGAGE In this position, the dock level arm lifts DANGER the approach plate to dock height. (IN) When using dock lift arm, the semitrailer must be DISENGAGE This is the neutral position for the dock kept level at all times.
  • Page 30 TABLE OF CONTENTS OPERATING INSTRUCTIONS 30” DOCK LIFT ARM ENGAGING POSITION DOCK LIFT ARM ENGAGED POSITION BEGIN ON LIFT DOCK LIFT ARM POCKET LIFT ARM STOP POSITION RECEIVER W/SEATED LIFT ARM ROLLER DOCK LIFT ARM DOCK LIFT ARM ENGAGED POSITION FULL LIFT Figure 3-7: Dock Leveler Operation 4-18...
  • Page 31 TABLE OF CONTENTS OPERATING INSTRUCTIONS Air Activated Upper Deck Ramp (Option) DANGER 1. To raise ramp, push ramp activation button (in). Hold button until ramp raises past ramp support latches. Rotate ramp support out for ramp to rest on. Release button allowing ramp to settle upon ramp supports (See Figure 3-9.)
  • Page 32 TABLE OF CONTENTS OPERATING INSTRUCTIONS Hydraulic Power Supply Engine 3. The Hydraulic Power Supply Engine Throttle is located to the right on the driver’s side of the Operation (Option) semitrailer (See Figure 3-10.) The Engine Throttle controls the speed at which the engine operates. It is 1.
  • Page 33 TABLE OF CONTENTS OPERATING INSTRUCTIONS LANDING GEAR CONTROL ENGINE ENGINE THROTTLE IGNITION SWITCH Figure 3-10: Hydraulic Engine Package Control Panel (Option) 4-21...
  • Page 34 TABLE OF CONTENTS OPERATING INSTRUCTIONS Air Ride Operation Bulkhead (Option) 1. Trailer air pressure must be maintained above 90 PSI 1. Optional bulkheads may come with or without chain before operating. PROTECTION VALVES are used to racks. To remove a bulkhead, disconnect the maintain 65 PSI air brake pressure during electrical harness (if work lights are present), remove suspension or remote system air loss.

  • Page 35: Remote Control (Option)

    TABLE OF CONTENTS OPERATING INSTRUCTIONS Remote Control (Option) 1. A wireless six function radio remote control is available (See Figure 3-12.) 2. The wireless radio remote has six momentary push button switches that operate the functions as labeled on the hand held remote. Figure 3-13: LED indicator lights (transmitter) Figure 3-12: Remote Control Receiver 3.
  • Page 36 TABLE OF CONTENTS OPERATING INSTRUCTIONS Rear Impact Guard System  DANGER Vehicle standards FMVSS No. 224, Rear Impact Always check the condition of the rear impact Protection, requires all 900C Series trailers manufactured guard system. If guard system has been after January 26, 1998 shall be equipped with a rear damaged, it must be replaced.
  • Page 37 TABLE OF CONTENTS OPERATING INSTRUCTIONS 4” 4” (max.) (max.) 22” (max.) REAR VIEW OF TRAILER CERTIFICATION DECAL TO BE LOCATED ON FORWARD FACING SURFACE, 12 INCHES FROM ENERGY PAK CURB END OF GUARD. 12” (max.) 5” (min.) BETWEEN ABS LIGHT BOLT HEADS DECAL LOCATED ON REARWARD CURBSIDE...

  • Page 38: Anti-Lock Brake System (Abs)

    TABLE OF CONTENTS OPERATING INSTRUCTIONS Anti-Lock Brake System (ABS)  CAUTION Vehicle standards FMVSS No. 121, anti-lock brake The auxiliary (blue) circuit is for powering the system requires all trailers manufactured after March 1, semitrailer ABS. This circuit must be hot when 1998 with air brake systems to have ABS.

  • Page 39: Cold Weather Operation

    TABLE OF CONTENTS OPERATING INSTRUCTIONS Cold Weather Operation Hot Weather Operation 1. Cold weather causes lubricants to congeal, insulation 1. Hot weather operation can create certain problems and rubber parts to become hard, which may lead to which must be checked. Expansion of parts result in problems found in bearings, electrical systems, and tightening of bearings, fasteners, and moving parts.
  • Page 40 TABLE OF CONTENTS OPERATING INSTRUCTIONS 4-28 F-1005-1018...

  • Page 41: Maintenance Schedule

    Chapter 4 TABLE OF CONTENTS Maintenance and Lubrication Inspection This section contains instructions necessary for proper maintenance of the semitrailer. The 900E series 1. Inspect the tractor, the trailer, and trailer parts semitrailer is designed for years of service with minimal periodically for damage or signs of pending failure.
  • Page 42 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION CAMSHAFT BUSHINGS SLACK ADJUSTERS (6) CENTRALIZED GREASE SYSTEM TAIL ROLLERS (#6) WINCH GEAR CASE (#2,3,4,5) WINCH CABLES (#7) HUB OIL (#8) KINGPIN LANDING GEAR (#6) PLATE (#6) HYDRAULIC RESER VOIR ENGINE (ENGINE PACKAGE)(#1) CRANKCASE (#9) Figure 4-1: Lubrication Points (1 of 2) F-934-0418...
  • Page 43 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION CENTRALIZED GREASE LOCATION DOCK LIFT ARM ROLLERS (#6) UNDERCARRIAGE ROLLERS (#6) Figure 4-2: Lubrication Points (2 of 2) LUBE SEASON BRAND & PRODUCT (WEIGHT AND/OR TYPE) EXXON MOBIL PHILLIPS 66 TEXACO SHELL Mega Flow HVI 32 ALL YEAR NUTO H 32 DTE 24...
  • Page 44 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION NORMAL OPERATING SERVICE INTERVALS 1st 5 Hours Weekly or Monthly or 6 Months or Yearly or LUBE ITEM NOTES or 50 Miles 500 Miles 2,000 Miles 12,000 Miles 25,000 Miles LIGHTS WIRING & CONNECTIONS FASTENERS KING PIN AND PLATE C,I,L...
  • Page 45 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION HYDRAULIC ENGINE MAINTENANCE SCHEDULE AFTER EACH CYCLE OF INDICATED HOURS OPERATION FILL FUEL TANK CHECK OIL LEVEL CHECK AIR CLEANER FOR DIRTY, LOOSE, OR DAMAGED PARTS CHECK AIR INTAKE AND COOLING AREAS, CLEAN AS NECESSARY SERVICE PRECLEANER ELEMENT SERVICE AIR CLEANER ELEMENT...

  • Page 46: Maintenance Procedures

    TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Maintenance Procedures Cleaning 1. Wash semitrailer to remove all accumulated dirt and grime. Repair Parts 2. Use any mineral spirits paint thinner (or its Repair parts are illustrated and listed in a separate parts equivalent) to remove grease and oil from all parts of manual.

  • Page 47: Hydraulic System

    If any cracks or breaks are found, color and gauge. Seal all connections and insulate. contact the Landoll factory for repairs. Inspect the deck daily for broken or missing planks or missing 3. Corroded terminals must have the corrosion attachments.
  • Page 48 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Upr Deck Yellow LED Light Marker Marker Lamp Harness Harness White LED Light Front Main Harness 5 Branch Harness Toggle Switch and Boot Control Panel Light Remote Assembly Marker Harness Ext. 60” Branch Harness Mid-deck Harness Mid-Turn Clean Lens...
  • Page 49 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION E-Chain Harness 84” Harness Extension Mudflap Harness 7/8” Grommett Bumper Harness Plastic Panel Plug Mudflap Mount Weldment Flat Chrome Flange Clear Lens Light Flat Chrome Flange Red Clear Lens Light Red Clear Lens Light Red LED Light License Plate Light...
  • Page 50 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION BLACK GRAY CONNECTOR CONNECTOR Tail Up Tail Down GRAY RECEPTACLE Winch In 36” Braided Sleeve Winch Out BLACK RECEPTACLE Ramp Up Dock Arm Up REMOTE LOCATION Figure 4-5: Remote Wiring Diagram 3-10 F-934-0418...

  • Page 51: Suspension Maintenance

    3. Check all other suspension components for any sign 5. Check the ride height to make sure it is correct. of damage, looseness, wear or cracks. Consult Landoll Service Center if correct height 4. With trailer on level surface and air pressure in cannot be obtained.
  • Page 52 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION EXHAUST PORT OUT: TO AIR BAGS IN: FROM USED ON TRIPLE AIR SUPPLY AXLE MODELS ONLY TANK LOCATED ON BUMPER Figure 4-6: Tandem/Triple Air Ride Suspension System aride345 Figure 4-7: Air Ride Height Adjustment 3-12 F-934-0418...

  • Page 53: Wheel Alignment

    TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Alignment 1. Remove wheel, hub and bearing assemblies. 2. Place a 3-point axle gauge against the front side of the axle, and adjust each axle gauge point to the Wheel Alignment axle. Double point end against the inner and outer wheel bearing surfaces of the spindle being checked ...
  • Page 54 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION SET POSTION (TOP OR BACK) 3-POINT AXLE GAP INDICATES AXLE GAUGE BEND CHECK POSITION (BOTTOM OR FRONT) Figure 4-8: Checking Axle for Bend POSITIVE CAMBER SQUARE ROAD NO CAMBER SQUARE ROAD NEGATIVE CAMBER SQUARE ROAD Figure 4-9: Examples of Camber 3-14...

  • Page 55: Axle Alignment

    TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Axle Alignment Air Ride Suspension Axles Proper axle to king pin alignment is necessary to obtain The air ride suspension is aligned and adjusted at the straight tracking. If axle alignment is off, “dog-tracking” factory and it should not be necessary to align the axles.

  • Page 56: Brake System Maintenance

    TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Brake System Maintenance Spring Air Brake Chambers Check for faulty units. Check the condensation holes on  the underside of the brake chambers to make sure they WARNING are open. The spring brake has two brake chambers, a service chamber and an emergency chamber or spring 1.

  • Page 57: Installation

    TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Removal 3. Position the breather hole in the downward facing position by loosening the clamp bands on the spring 1. Chock all tractor and trailer wheels and drain the air brake chamber and rotating the chamber housing system.

  • Page 58: Brake Adjustment

    Brakes should not be adjusted performed by trained service personnel. Contact manually except when relining brakes. a Landoll authorized service center or the Landoll factory for servicing. Disassembly for 12-1/4” X 7-1/2” Brake Assembly Maintenance...
  • Page 59 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Reassembly for 12-1/4” X 7-1/2” Reassembly for 16-1/2” X 7” Brakes Brakes 1. Install new camshaft bushing and seals into the 1. Install new anchor pin bushings, camshaft bushing spider. and camshaft seals into the spider. IMPORTANT IMPORTANT When installing camshaft seals, the seal on the slack...
  • Page 60 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION SHOE KEEPER SPRING BRAKE SHOES ANCHOR PIN SHOE RETRACTOR SPRING BRAKE CHAMBER RETRACTOR SPRING RETAINER RETAINER ROLLER ROLLER ANCHOR PIN BUSHINGS SHOE ROLLER PIN ABS SENSOR ABS SENSOR BLOCK (WELDED TO AXLE) SLACK ADJUSTER LOCK RING INNER ADJUSTMENT LOCK WASHER...

  • Page 61: Automatic Slack Adjuster

    TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Automatic Slack Adjuster Replacing Slack Adjuster The semitrailer automatic slack adjusters provide the 1. Chock wheels to prevent vehicle from rolling. means for routine brake adjustment to compensate for Release spring and service brake. Air chamber push lining wear.
  • Page 62 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Adjusting Slack Adjuster 5. Fully apply and release the brakes several times to check for adequate clearance to all adjacent 1. Rotate the manual adjuster clockwise until brake components. shoes contact drum. 6. Measure the distance from air chamber to 1/2” pin. 2.
  • Page 63 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Hub and Drum Maintenance  CAUTION  Replace brake drums in pairs to achieve the same WARNING braking power on both wheels and maintain an even braking load on the axle. Failure to do this Failure to replace faulty brake drums will result in may significantly reduce the performance, an unreliable braking system, and may lead to an...
  • Page 64 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION SEAL INNER BEARING CUP INNER BEARING CONE OUTER BEARING CUP STUD HUB W/ ABS TOOTH WHEEL OUTER BEARING CONE BRAKE DRUM Figure 4-16: Outboard Mount Hub and Drum nut, tightening the nut until it is snug against the ...

  • Page 65: Tire Maintenance

    TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Wheel Bearing Lubrication and 10. Install the outer lock nut and tighten to 250-300 ft.-lbs. End-play of .001" to .010" must be present in Adjustment the adjusted wheel bearing assembly. With semitrailer sitting level, the oil level must be checked ...
  • Page 66 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Tire Matching Straight Edge or String Method Both tires on the same spindle must be the same size in (This method cannot be used if tire and wheel order to properly distribute the load and braking forces assemblies are not mounted on the axle.) Jack trailer up between them.
  • Page 67 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Mounting Tire and Wheel 4. Install the flange nut and tighten to 50 foot-pounds using the sequence in (Figure 4-20.) Then tighten to 1. Make sure that all mounting surfaces are clean and full torque of 450 to 500 foot-pounds. free of rust, dirt or paint.

  • Page 68: Repair Instructions

    TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Winches IMPORTANT The cover is sealed to the upper housing with a Inspect the winch cable before and after every usage. If silicone sealant. When replacing the cover a suitable frayed wires, nicks, kinks, worn spots, breaks or any silicone sealant must be used.
  • Page 69 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION COVER SCREW COVER - 2 SPEED BEVEL GEAR COVER SCREW THRUST WASHER GROOVED PIN OUTPUT SHAFT COVER - 1 SPEED INTERMEDIATE BUSHING SPIRAL PIN CROSS SHAFT BEVEL SPACER INPUT SPUR GEAR CROSS SHAFT WASHER GEAR BOLT OUTPUT...
  • Page 70 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION Table provided for general use. NOTES: 3-30 F-934-0418...
  • Page 71 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION 3-31...
  • Page 72 TABLE OF CONTENTS MAINTENANCE AND LUBRICATION 3-32 F-934-0418...
  • Page 73 Landoll Corporation is not responsible for equipment that is improperly maintained. Most electrical system problems show up as a burned out Contact an authorized Landoll Service center for light or fuse, or inoperative electrical component. Wiring, servicing. grounds, or components may be at fault. Locate the symptom in this section that best identifies your electrical problem.

  • Page 74: Troubleshooting Guide

    TABLE OF CONTENTS TROUBLESHOOTING GUIDE Tires - Wheels - Suspension • “Hydraulic System” on page 4-7 • “Alignment” on page 4-13 Most tire, wheel, and suspension related problems are • “Hub and Drum Maintenance” on page 4-23 due to excessive loads, extreme conditions, and •...
  • Page 75 TABLE OF CONTENTS TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE SOLUTION CRACKING Overinflated tires Deflate tire to proper PSI. High speeds Adjust speed according to road and load conditions. High speed cornering Adjust cornering practices. Over loading Check rim load rating. *IN ALL INSTANCES OF RIM FAILURE, REPLACE THE RIM IMMEDIATELY! BENDING OR WARPING Curb-hopping or potholes Adjust turning practices and adjust...
  • Page 76 TABLE OF CONTENTS TROUBLESHOOTING GUIDE Brakes For maintenance procedures, see “Brake System Maintenance” on page 4-16. PROBLEM PROBABLE CAUSE SOLUTION NO BRAKES OR BRAKES ARE Brake air system improperly connected Reconnect hand valves properly. INTERMITTENT Relay/Emergency valve plugged Clean valve. Defective tractor protection valve Repair or replace.
  • Page 77 TABLE OF CONTENTS TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE SOLUTION ALL BRAKES DO NOT RELEASE Air system improperly connected to Tighten or adjust connections. tractor Brake valve on tractor is applied Release brake. Relay emergency valve in emergency Check line pressure and check valve. position Restricted tubing or line Locate restriction and remove.

  • Page 78: Brake Drums

    TABLE OF CONTENTS TROUBLESHOOTING GUIDE Brake Drums • “Suspension Maintenance” on page 4-11 • “Alignment” on page 4-13 For maintenance procedures, refer the following • “Brake System Maintenance” on page 4-16 sections: • “Adjustment” on page 4-25 PROBLEM PROBABLE CAUSE SOLUTION EXCESSIVE LOSS OF BRAKES OR Overheated brake drums...
  • Page 79 TABLE OF CONTENTS TROUBLESHOOTING GUIDE Hydraulic System Most hydraulic 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 following step-by-step procedures, the trouble can be located in a short time.
  • Page 80 TABLE OF CONTENTS TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE SOLUTION SYSTEM OPERATES TOO FAST Wrong size or incorrectly adjusted Replace or adjust as necessary. restrictor Engine running too fast Reduce engine speed. OVER HEATING OF OIL IN SYSTEM Oil passing through relief valve for Return control valve to neutral when not excessive time in use.

  • Page 81: Remote Control

    TABLE OF CONTENTS TROUBLESHOOTING GUIDE Remote Control PROBLEM PROBABLE CAUSE SOLUTION No response from receiver Check that transmitter power is on. Self-explanatory. Power is connected in reverse If the amber reverse polarity LED is lit the power input and system ground connections have been reversed.
  • Page 82 TABLE OF CONTENTS TROUBLESHOOTING GUIDE Table provided for general use. NOTES: 5-10 F-1005-1018...
  • Page 83 Document Control Revision Log: Date Form # New/Update Improvement(s): Description and Improvements 11/2018 F-1005-1018 New New Operators Manual for 900E series trailer...
  • Page 84 Equipment from Landoll Corporation is built to exacting standards ensured by ISO 9001 registration at all Landoll manufacturing facilities. 930E/950E Operators Manual Re-Order Part Number F-1005-1018 LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM Copyright 2019. Landoll Corporation “All rights reserved, including the right to reproduce this material or portions thereof in any form.”...

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