Landoll 825B Series Operator's Manual
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Landoll 825B Series Operator's Manual

Detachable trailer
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MODEL 825B/835B SERIES
DETACHABLE TRAILER
OPERATOR'S MANUAL
1900 North Street
Marysville, KS 66508
(785)562-5381
F-484-0308
03/08

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  • Page 1 MODEL 825B/835B SERIES DETACHABLE TRAILER OPERATOR’S MANUAL 1900 North Street Marysville, KS 66508 (785)562-5381 F-484-0308 03/08...
  • Page 3 MODEL 825B/835B DETACHABLE TRAILER OPERATOR’S MANUAL PURCHASED FROM: DATE ADDRESS: PHONE NO.: SERIAL NO.:...
  • Page 4 424-9393 (or 366-0123 in Washington, D.C. area) or write to: NHTSA, U.S. Depart- ment of Transportation, Washington, D.C. 20590. You can also obtain other infor- mation about motor vehicle safety from the Hotline. In the event of a defect or problem with your LANDOLL equipment, please notify LANDOLL CORPORATION: LANDOLL CORPORATION...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS SECTION DESCRIPTION PAGE NO. INTRODUCTION STANDARD SPECIFICATIONS OPERATING INSTRUCTIONS GENERAL ......... . . 3-1 PRE-COUPLING OF SEMITRAILER AND TRACTOR .
  • Page 6 SAFETY PRECAUTIONS THIS IS THE SAFETY ALERT SYMBOL. IT IS USED TO ALERT YOU TO POTENTIAL INJURY HAZARDS. OBEY ALL SAFETY MESSAGES THAT FOLLOW THIS SYMBOL TO AVOID POSSIBLE INJURY OR DEATH. DANGER DANGER INDICATES AN IMMINENTLY HAZARDOUS SITUA- TION WHICH, IF NOT AVOIDED, WILL RESULT IN DEATH OR SERIOUS INJURY.

  • Page 7: Introduction

    PARTS LIST is a separate manual showing the various assemblies, subassemblies, and sys- tems. Refer to that manual when ordering Landoll replacement parts. Order parts from your Landoll dealer. WARRANTY The Warranty Registration form is located with the product documents. Fill it out and mail it within 15 days of purchase.

  • Page 9: Standard Specifications

    STANDARD SPECIFICATIONS CAPACITY*: MODEL 825B: ..........55,000 LB. DISTRIBUTED DECK RATING .

  • Page 10: General

    LANDOLL CORPORATION GENERAL TORQUE SPECIFICATIONS (REV. 4/97) 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 11 LANDOLL CORPORATION HYDRAULIC FITTING TORQUE SPECIFICATIONS JIC, ORS, & ORB (REV. 10/97) THIS CHART PROVIDES TIGHTENING TORQUES FOR HYDRAULIC FITTING APPLICATIONS WHEN SPECIAL TORQUES ARE NOT SPECIFIED ON PROCESS OR DRAWING. ASSEMBLY TORQUES APPLY TO PLATED CARBON STEEL AND STAINLESS STEEL FITTINGS ASSEMBLED WITHOUT SUPPLEMENTAL...
  • Page 13 OPERATING INSTRUCTIONS 3-1 GENERAL This section supplies information for operation 3-1.2 Air Brake System of the semitrailer. It describes and locates controls The air brake system of the semitrailer is oper- and gives general operation procedures. Read all ated from the towing vehicle after coupling. The instructions, warnings, cautions, and danger notes towing vehicle’s air system must be coupled to the before attempting to operate the semitrailer.
  • Page 14 Figure 3-1 Model 825B Trailer Terminology HYDRAULIC HOOKUPS 3/4 QUICK COUPLERS 7 WAY ELECTRICAL PRESSURE SIDE RECEPTACLE RETURN SIDE SERVICE AIR EMERGENCY AIR GLADHAND GLADHAND 545-108665 Figure 3-2 Service Hookups...

  • Page 15: Pre-Coupling Of Semitrailer And Tractor

    3-1.4 3-1.5 Electrical Hydraulic The only electrical operation required of the Controls are located on the driver’s side of the operator is interconnection of the towing vehicle trailer. A hydraulic pump must be coupled to the electrical cable plug with the semitrailer electrical trailer hydraulic system before any hydraulic con- receptacle.

  • Page 16: Coupling Of The Tractor To The Semitrailer

    3-3 COUPLING OF THE TRACTOR TO THE SEMITRAILER 3-3.3 Slowly back the towing vehicle so its DANGER fifth wheel contacts the front of the king pin plate on the semitrailer and slips under it. KEEP ALL PERSONNEL CLEAR OF Continue backing until the fifth wheel coupler FRONT, REAR, AND SIDES OF TOW- locks onto the semitrailer kingpin.

  • Page 17: Tractor And Semitrailer Check-Out

    3-5 TRACTOR AND SEMITRAILER CHECK-OUT WARNING 3-5.1 Activate the hydraulic power source. 3-5.2 Using the TRAILER LIFT lever, lift the FAILURE TO PROPERLY SET AND trailer up until the load blocks can be low- CHECK PARKING BRAKE, AND ered into position (See Figure 3-1). 3-5.3 Activate the TRAILER LIFT lever (See CHOCK WHEELS WHEN PARKING...
  • Page 18 WINCH CLUTCH TENSIONER CONTROL WORK LIGHT SWITCH (OPTION) WIRED REMOTE CONTROL RECEPTACLE 545 108669 Figure 3-3 Hydraulic Controls...

  • Page 19: Towing The Semitrailer

    3-6 TOWING THE SEMITRAILER CAUTION Driving the towing vehicle with the semitrailer coupled behind requires constant attention to the overall length of the combination. The “hinged-in- IF A FAULT EXISTS IN THE SEMI- the-middle” configuration of the tractor and semi- TRAILER ABS, NORMAL BRAKING trailer, load, and weight effect performance.

  • Page 20: Parking The Trailer

    3-7 PARKING THE TRAILER WARNING 3-7.1 Position truck/semitrailer rig on a level, solid surface. WHEN LEAVING THE SEMITRAILER 3-7.2 Set the PARKING BRAKE, not the UNATTENDED, POSITION ALL HY- semitrailer hand brake, and check for proper DRAULIC CONTROLS TO THE NEU- brake holding.

  • Page 21: Pull Out Extensions

    3-10 PULL OUT EXTENSIONS DANGER 3-10.1 Pull out extensions are adjustable in six inch increments. Extension lock pin can be DO NOT OPERATE IF ANY EXTENSION held in released position when pulled back and rotated one quarter turn into catch. IS NOT LOCKED IN PLACE BY SPRING 3-10.2 Adjust pull out to desired extended po-...
  • Page 22 Figure 3-5 Swingout Outrigger Platform Extension 3-10...

  • Page 23: Swingout Outrigger Platform Extension Set-Up

    3-11 SWINGOUT OUTRIGGER PLATFORM EXTENSION SET-UP DANGER WARNING DO NOT OPERATE IF ANY EXTENSION 1. TOP OF EXTENSION PLANKS MUST IS NOT LOCKED IN PLACE. INSPECT BE FLUSH WITH MAIN DECK BOARDS. ALL EXTENSIONS TO INSURE EACH IS LOCKED SECURELY IN POSITION. 2.
  • Page 24 GOOSENECK FRAME hookup Figure 3-6 Gooseneck Attachment to Frame 3-12...

  • Page 25: Preparation For Loading And Unloading

    3-12 PREPARATION FOR LOADING AND UNLOADING CAUTION 3-12.1 Practice all standard industrial safety standards. Do not load any payload that will MODEL 825B SEMITRAILER MAXIMUM overload any component of the trailer or cause an unsafe condition. CONCENTRATED LOAD IN A 16 FT. 3-12.2 Park the tractor/semitrailer in a straight AREA IS 50,000 LBS.

  • Page 26: Loading The Semitrailer

    3-13 LOADING THE SEMITRAILER 3-13.2 Drive or winch the load onto the semi- 3-13.1 Set the semitrailer up for loading as out- trailer. Insure that the load is steering lined in Section 3-12. straight up onto the semitrailer and does not maneuver off the side of the semitrailer.

  • Page 27: Preparation For Transport

    3-15 PREPARATION FOR TRANSPORT CAUTION 3-15.1 After securing the load, following the steps as outlined in Section 3-14, back the FAILURE TO SUPPORT THE SEMI- tractor until the gooseneck is within a few TRAILER FULLY ON THE LOAD inches of the front of the semitrailer. BLOCKS DURING TRANSPORT AND 3-15.2 Using the TRAILER LIFT lever, to lower...

  • Page 28: Work Light (Option)

    3-17 WORK LIGHT (OPTION) The WORK LIGHT SWITCH is on the hydrau- lic control panel (See Figure 3-3). It illuminates the hydraulic control panel and controls the optional work lights mounted on the bulkhead. The work lights illuminate the upper deck. 3-18 WINCH CONTROLS (OPTION) DANGER WARNING...
  • Page 29 3-18.2 a. The 12,000 lb. WINCH CLUTCH HANDLE optional 12,000 WINCH CLUTCH HANDLE (See Figure 3-7) is lo- has two positions: (See Figure 3-7) cated on the right or curb-side end of the DISENGAGE When the handle is placed is this winch assembly.

  • Page 30: Air Ride Operation

    c. The 20,000 lb PNEUMATIC WINCH CON- d. The 12,000 lb or 20,000 lb WINCH AIR TROL has two positions. TENSION or pressure on the cable is con- trolled by an air pressure regulator located RELEASE In this position, the winch is disen- behind the main control panel.

  • Page 31: Front Extension/Bulkhead (Option)

    NOTCHED PLATE, LOCKING LOCK PLATE CHANNEL COVER CHAIN HANGER HEX HEAD CAP SCREW SIDE BAR BUSHING SPACER EXTENSION HEX NUT HEX HEAD CAP SCREW BULKHEAD WELDMENT SPACER HEX HEAD CAP SCREW HAIR PIN SNAP LOCK PIN BULKHEAD WELDMENT/ FRONT EXTENSION MOUNT WELDMENT SUPPORT PIN COTTER PIN...

  • Page 32: Anti-Lock Brake System (Abs)

    3-21 ANTI-LOCK BRAKE SYSTEM (ABS) CAUTION Vehicle standards FMVSS No. 121, anti-lock brake system requires all trailers manufactured af- ter March 1, 1998 with air brake systems to have THE AUXILIARY (BLUE) CIRCUIT IS ABS. Each trailer (including a trailer converter FOR POWERING THE SEMITRAILER dolly) shall be equipped with an anti-lock brake ABS.

  • Page 33: Cold Weather Operation

    3-22 COLD WEATHER OPERATION 3-22.2 During any extended stop period, nei- 3-22.1 Cold weather causes lubricants to con- ther the service nor parking brake should be geal, insulation and rubber parts to become used as they can freeze up. Use wheel hard, which may lead to problems found in chocks to secure the vehicle from moving.

  • Page 35: Maintenance And Lubrication

    MAINTENANCE AND LUBRICATION This section contains instructions necessary for proper maintenance semitrailer. 825B/835B semitrailer is designed for years of service with minimal maintenance. However, proper maintenance is important for durability and safe operation and is an owner/user responsibility. 4-1 MAINTENANCE SCHEDULE Trailer maintenance includes periodic inspec- b.
  • Page 36 Figure 4-1 Lubrication Points (1 of 2)
  • Page 37 CENTRALIZED GREASE SYSTEM LOCATION SHAFT BUSHINGS SLACK ADJUSTERS (3) CENTRALIZED GREASE SYSTEM CENTRALIZED GREASE SYSTEM TANDEM AXLE (825B/835B-48AG, TRIPLE AXLE (835B-R-53AG 835B-51AG, 835B-S-53AG) AND 835B-S60-53AG) 825-835B lube points p2 Figure 4-2 Lubrication Points (2 of 2)
  • Page 38 LUBE SEASON BRAND AND PRODUCT (WEIGHT AND/OR TYPE) AMOCO EXXON PHILLIPS TEXACO ALL YEAR Rycon MV HDX Plus 10W Mangus Oil Rando HD-AZ A KV 5W-20 SUMMER Permagear EP 460 Spartan 460 Phil Gear Lube 460 Meropa 460 SAE 140 SAE 140 SAE 140 SAE 140...

  • Page 39: Maintenance Procedures

    4-2 MAINTENANCE PROCEDURES 4-2.1 Repair Parts 4-2.4 Cleaning Repair parts are illustrated and listed in a a. Wash semitrailer to remove all accumulated separate parts manual. Replacement of parts due dirt and grime. to wear is determined by examination and meas- b.
  • Page 40 NORMAL OPERATING SERVICE INTERVALS SERVICE TIMES 1st 5 Weekly Monthly Yearly INTERVAL : Months ITEM MILES 2,000 12,000 25,000 LIGHTS WIRING & CONNECTIONS FASTENERS I, T KING PIN AND PLATE C,I,L BRAKE AIR SYSTEM RELAY VALVES I, C BRAKE ADJ & WEAR I, T SLACK ADJUSTERS CAMSHAFT ASSYS...

  • Page 41: Gooseneck, Frame, And Deck

    If any cracks or breaks are found, contact the Landoll factory for repairs. Inspect the deck daily for broken or miss- ing planks or missing attachments. Replace any defective parts promptly.
  • Page 42 Figure 4-3 Model 825B/835B Wiring Diagram...
  • Page 43 825B/835B WIRING PARTS LIST 825B/835B WIRING PARTS LIST REF. FUNCTION REF. FUNCTION DES. DES. FRONT LEFT CLEARANCE, YELLOW DS26 LEFT STOP/TAIL, OUTER FRONT RIGHT CLEARANCE, YELLOW DS27 RIGHT STOP/TAIL, OUTER FRONT LEFT MARKER, YELLOW DS28 LEFT STOP/TAIL, INNER FRONT RIGHT MARKER, YELLOW DS29 RIGHT STOP/TAIL, INNER LEFT FRONT BED MARKER, YELLOW...

  • Page 44: Electrical System

    4-5 ELECTRICAL SYSTEM 4-5.4 Fuse or circuit breaker burn-out or 4-5.1 Maintenance of the electrical system blow-out usually indicates electrical consists of inspection and minor servicing. short-circuit, although a fuse can occasion- Any wire, connection or electrical component ally fail from vibration. Insert a second fuse showing signs of corrosion, wear, breakage or reset the breaker.
  • Page 45 Figure 4-5 Tandem Axle Air Ride Suspension System 4-11...
  • Page 46 Figure 4-6 Tandem Axle W/ Flip Air Ride Suspension System 4-12...
  • Page 47 4-6.2 e. Check the ride height to make sure it is cor- Air Ride Height Adjustment. (See Fig- rect. Consult Landoll Service Center if correct ure 4-7 for parts identification). height cannot be obtained. a. Before adjusting, the vehicle must be empty f.

  • Page 48: Alignment

    Figure 4-8 Checking Axle for Bend 4-7 ALIGNMENT 4-7.1 Wheel Alignment a. Remove wheel, hub and bearing assem- blies. DANGER b. Place a 3-point axle gauge against the front side of the axle, and adjust each axle gauge point to the axle. (Double point end against TO PREVENT A LIFE THREATENING the inner and outer wheel bearing surfaces of ACCIDENT:...
  • Page 49 Figure 4-9 Checking Axle Alignment Figure 4-10 Examples of Camber 4-15...
  • Page 50 4-7.2 b. Air Ride Suspension Axles Axle Alignment Proper axle to king pin alignment is necessary The air ride suspension is aligned and ad- to obtain straight tracking. If axle alignment is off, justed at the factory and it should not be necessary “dog-tracking”...

  • Page 51: Brake System Maintenance

    4-8 BRAKE SYSTEM MAINTENANCE WARNING a. Check air hoses for chafing, bends, kinks, or damaged fittings. Replace defective hoses. 1. WHEN CRAWLING UNDER THE b. Check the brake system for loose, missing, deformed, or corroded fasteners. Replace SEMITRAILER IS NECESSARY, CHOCK and tighten defective hardware.
  • Page 52 WARNING REPAIR OR REPLACEMENT OF THE RELAY/EMERGENCY VALVE IS A COM- PLEX OPERATION AND SHOULD BE PERFORMED BY TRAINED SERVICE PERSONNEL. CONTACT A LANDOLL AUTHORIZED SERVICE CENTER OR THE LANDOLL FACTORY FOR SERVIC- ING. 4-18...
  • Page 53 Figure 4-12 Brake Lining Wear 4-8.4 Brake Assembly Maintenance 5. Press down on the bottom brake shoe and The brake assemblies should be inspected and remove the lower cam roller. Lift the top adjusted every 2,000 miles or monthly. Examine shoe and take out the top cam roller.
  • Page 54 Figure 4-13 Axle and Brake Assembly 4-20...
  • Page 55 5. Install the brake keeper onto the shoes. 5. The push rod stroke should be 1 1/2" to 2" Install shoes onto the spider by placing with an 100 to 105 PSI service brake shoes in place on the anchor pins, then application.
  • Page 56 Figure 4-14 Slack Adjuster 5. Fit the installation guide over the cam 15. Rotate the manual adjuster shaft CW until splines so the 1/2" pin slots face the air the slack adjuster arm holes align with the chamber. clevis. Install 1/2" and 1/4" pins and cotter 6.

  • Page 57: Hub And Drum Maintenance

    4-9 HUB AND DRUM MAINTENANCE WARNING 4-9.1 Clean and inspect the brake drums whenever relining the brakes. To be suitable for further service, the brake drum should TURNING A BRAKE DRUM BEYOND pass the following checks. 0.040 INCHES UNDER THE MAXIMUM a.
  • Page 58 Figure 4-15 Outboard Mount Hub and Drum g. Insert bearing cups into the hub. k. Install the outer bearing cone and inner h. Clean the mounting surfaces with a good spindle nut, tightening the nut until it is snug grade commercial cleaner and soft rag. Dry against the outer bearing cone.

  • Page 59: Wheel Bearing Lubrication And Adjustment

    4-10 WHEEL BEARING LUBRICATION AND ADJUSTMENT With semitrailer sitting level, the oil level must g. Retighten the inner adjustment nut to 50 be checked daily and maintained between the ft.-lbs. while rotating the wheel, to properly “ADD” and “FULL” lines on the hub cap window. position the bearings for the final adjustment.

  • Page 60: Tire Maintenance

    Figure 4-16 Tire Inflation Examples 4-11 TIRE MAINTENANCE 4-11.1 Tire Inflation. Tire inflation will cause 4-11.2 Tire Matching. Both tires on the same tire to ground contact characteristics as spindle must be the same size in order to properly distribute the load and braking forces shown in Figure 4-16.
  • Page 61 Figure 4-19 Mounting Tires and Wheels Figure 4-20 Stud Tightening Sequence 4-27...

  • Page 62: Winches (Option)

    d. Install the flange nut (pilot mount) and 4-11.3 Mounting Tire and Wheel (Hub Type) tighten to 50 foot-pounds using the sequence a. Make sure that all mounting surfaces are in Figure 4-20. Then tighten to full torque of clean and free of rust, dirt or paint. A wire 450 to 500 foot-pounds .

  • Page 63: Troubleshooting

    TROUBLESHOOTING Troubleshooting should be performed by a trained and competent technician. Landoll Corporation is not responsible for equipment that is improperly maintained. Contact an authorized Landoll Service center or the Landoll factory for servicing. 5-1 ELECTRICAL Most electrical system problems show up as a burned out light or fuse, or inoperative electrical compo- nent.
  • Page 64 5-2 TIRES - WHEELS - SUSPENSION Most tire, wheel, and suspension related problems are due to excessive loads, extreme conditions, and improper maintenance. Tire, wheel, and suspension problems can be easily detected and solved by check- ing the following guide. SYMPTOM PROBLEM: REMEDY VIBRATIONS WHILE DRIVING...
  • Page 65 TIRES - WHEELS - SUSPENSION (CONTINUED) SYMPTOMS PROBLEM: REMEDY RIM FAILURE*: CRACKING Over inflated 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 66 5-3 BRAKES SYMPTOM PROBLEM: REMEDY NO BRAKES OR BRAKES Brake air system improperly connected: reconnect hand ARE INTERMITTENT valves properly. Relay/Emergency valve plugged: clean valve. Defective tractor protection valve: repair or replace. Restricted tubing or hose line: locate and eliminate restriction. Broken line: locate break and repair.
  • Page 67 BRAKES (CONTINUED) SYMPTOM PROBLEM: REMEDY ALL BRAKES DO NOT RELEASE Air system improperly connected to tractor: tighten or adjust connections. Brake valve on tractor is applied: release brake. Relay emergency valve in emergency position: check line pressure and check valve. Restricted tubing or line: locate restriction and remove.
  • Page 68 BRAKES (CONTINUED) SYMPTOM PROBLEM: REMEDY BRAKES WILL NOT APPLY Initial air pressure too low: allow air system to build up to WHEN EMERGENCY LINE IS minimum 90 PSI and stabilize. DISCONNECTED Defective relay valve: repair or replace valve. Air line leak: locate leak and repair. Brake chamber leak: locate leak and repair or replace.
  • Page 69 5-5 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 70 HYDRAULIC SYSTEM (CONTINUED) SYMPTOM PROBLEM: REMEDY SYSTEM OPERATES TOO FAST Wrong size or incorrectly adjusted restrictor: replace or adjust as necessary. Engine running too fast: reduce engine speed. OVER HEATING OF Oil passing through relief valve for excessive time: return con- OIL IN SYSTEM trol valve to neutral when not in use.
  • Page 71 NOTES...

This manual is also suitable for:

835b series

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