Landoll 330A Operator's Manual
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Landoll 330A Operator's Manual

Semitrailer
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MODEL 330A
SEMITRAILER
OPERATOR'S MANUAL
1900 North Street
Marysville, KS 66508
(785)562-5381
F-268-398
3/98

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  • Page 1 MODEL 330A SEMITRAILER OPERATOR’S MANUAL 1900 North Street Marysville, KS 66508 (785)562-5381 F-268-398 3/98...
  • Page 2 LANDOLL will not be liable for labor, transpor- tation, or any other charges resulting from replacement of 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.
  • Page 3 MODEL 330A SEMITRAILER 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 ........1-1 STANDARD SPECIFICATIONS .
  • 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*: SINGLE AXLE ....... 16,000 LB. DISTR. - 10,000 LB. in 10 FT. TANDEM AXLE .
  • Page 10 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

    OPERATING INSTRUCTIONS This section supplies information for operation 3-0.1 Air Brake System of the trailer. It describes and locateds controls and The air brake system of the trailer is operated gives general operation procedures. Read all in- from the towing vehicle after coupling. The towing structions, warnings, cautions and danger notes vehicle’s air system must be coupled to the trailer before attempting to operate the trailer.

  • Page 14: Pre-Coupling Of Semitrailer And Tractor

    3-1 PRE-COUPLING OF SEMITRAILER AND TRACTOR 3-1.1 Slowly back the tractor up to the front 3-1.3 Connect the service and emergency air end of the semitrailer so the kingpin of the hoses of the tractor to their respective glad- semitrailer is centered between the tractor hand on the front of the semitrailer.

  • Page 15: Connecting Tractor Services To The Semitrailer

    3-3 CONNECTING TRACTOR SERVICES TO THE SEMITRAILER 3-3.1 Connect the tractor 7-way electrical plug to the electrical receptacle on the front of the semitrailer (See Figure 3-1). IMPORTANT THE KEY ON THE PLUG AND THE KEYWAY IN THE SOCKET MUST BE PROPERLY ALIGNED BEFORE INSERTING THE PLUG INTO THE SEMITRAILER SOCKET.

  • Page 16: Towing The Semitrailer

    3-4.4 Check the operation of all lights and sig- 3-4.7 Check that the oil in each hub is at the nals on the semitrailer for proper response to proper level and free from contamination. If switch positions (stop, right turn, left turn and hubs contain water, dirt, or other foreign mat- clearance).

  • Page 17: Parking The Semitrailer

    3-6 PARKING THE SEMITRAILER WARNING 3-6.1 Position tractor/trailer rig on a level, solid surface. WHEN LEAVING THE SEMITRAILER 3-6.2 Set the PARKING BRAKE, not the UNATTENDED, POSITION ALL HY- semitrailer emergency hand brake, and DRAULIC CONTROLS TO THE NEU- check for proper brake holding. TRAL OR “OFF”...

  • Page 18: Trailer Tilt Lever

    3-8 TRAILER TILT LEVER CENTER This is the neutral position. The The TRAILER TILT lever is located on the semitrailer stays in its current posi- driver’s side of the semitrailer under the outer tion. frame beam. (See Figure 3-2) It has three posi- DOWN In this position, the front end of the tions:...
  • Page 19 3-10.6 Winch or drive the load onto the semi- WARNING trailer. Insure that the load is steering straight up onto the semitrailer and does not maneu- ver off the side of the semitrailer. Continue THE CENTER OF GRAVITY OF THE until load center of gravity is just ahead of LOAD MUST BE IN FRONT OF THE the axles.
  • Page 20 Figure 3-3 Steps for Loading and Unloading...

  • Page 21: Unloading The Trailer

    3-11 UNLOADING THE TRAILER WARNING 3-11.6 Alternate between raising the trailer and pulling the axles forward until the approach plate touches the ground. Never pull the ax- NEVER TILT THE TRAILER WITHOUT les forward so far that center of gravity of the THE LOAD PROPERLY RESTRAINED.

  • Page 22: Winch Controls

    3-11.9 Before returning the trailer to transport 3-11.10 Tilt the bed down and move undercar- position, insure that there is sufficient dis- riage rearward to transport position. Hold tance between the load and the rear of the TRAILER TILT lever in the down position trailer so that the trailer does not hit the load until hydraulic system works against the bot- when being folded back to transport position.

  • Page 23: Auxiliary Hydraulic Power Engine Operation

    3-12.2 The HYDRAULIC WINCH CONTROL PULL In this position, cable is “power” lever (See Figure 3-2) is the center lever. It spooled onto the spool. is a three position control: CENTER This is neutral position. PUSH In this position, cable is “power” spooled off the spool.

  • Page 24: Bulkheads

    3-13.4 To start pull the choke completely out 3-13.9 Before shutting it off, allow the engine and set the throttle to the LOW position. to cool down by running at a slow idle for 3-13.5 Turn the ignition key to the START po- one to two minutes.

  • Page 25: Rear Impact Guard System

    3-15 REAR IMPACT GUARD SYSTEM Vehicle standards FMVSS No. 224, Rear Im- The standard also specifies minimum force and pact Protection, requires all 330 semitrailers manu- energy absorption requirements for the guard. A factured after January 26, 1998 shall be equipped DOT decal certifies that the guard meets FMVSS with a rear impact guard certified by the manufac- No.
  • Page 26 Figure 3-7 Rear Impact Guard System 3-14...

  • Page 27: Cold Weather Operation

    CAUTION CAUTION THE AUXILIARY (BLUE) CIRCUIT IS IF A FAULT EXISTS IN THE SEMI- FOR POWERING THE SEMITRAILER TRAILER ABS, NORMAL BRAKING ABS. THIS CIRCUIT MUST BE HOT WILL OCCUR, BUT WHEELS MAY WHEN THE TRACTOR KEY SWITCH IS LOCK. SERVICE THE ABS AS SOON ON.

  • Page 28: Hot Weather Operation

    3-18 HOT WEATHER OPERATION 3-18.1 Hot weather operation can cause ex- 3-18.3 Check tire pressure early in the day be- pansion of parts, resulting in tightening of fore beginning operations while the tire is bearings, fasteners, and moving parts. Fail- cool.

  • Page 29: Maintenance And Lubrication

    MAINTENANCE AND LUBRICATION DANGER This section contains instructions necessary for proper maintenance of the semitrailer. The 330A semitrailer is designed for years of service with OPERATING THE TRACTOR OR SEMI- minimal maintenance. However, proper mainte- TRAILER WITH DEFECTIVE, BROKEN nance is important for durability and safe operation OR MISSING PARTS MAY RESULT IN and is an owner/user responsibility.
  • Page 30 Figure 4-1 Lubrication Points BRAND AND PRODUCT LUBE SEASON (WEIGHT AND/OR TYPE) AMOCO EXXON PHILLIPS TEXACO Table 4-1 Lubrication Specifications...
  • Page 31 See Table 2-1 (Bolt Torque Chart) for correct torque. c. See Table 4-1 (Lube Specification Chart) for recommended lubricant. d. Call Landoll Customer Services for procedures to replace. e. See Serial Number Plate on the front of the semitrailer for proper inflation requirements.
  • Page 32 ENGINE MAINTENANCE SCHEDULE OPERATION AFTER EACH CYCLE OF INDICATED HOURS 100 200 500 1000 NOTES: . Check for fuel leaks. With engine running, visually and audibly check exhaust system for leaks. . Perform more often when running under severe operating conditions. .

  • Page 33: Maintenance Procedures

    4-2 MAINTENANCE PROCEDURES 4-2.1 Tools and Equipment. Tools, equip- ment, and personnel normally found in a fa- 4-2.3 Cleaning cility capable of making truck repairs will be adequate for maintenance of the semitrailer. a. Wash semitrailer to remove all accumulated No other special tools or equipment should dirt and grime.
  • Page 34 Figure 4-2 330A Wiring Diagram...
  • Page 35 Figure 4-3 Remote Wiring Diagram...
  • Page 36 WINCH IN/TILT UP DS21 ABS MALFUNCTION INDICATOR, YELLOW WINCH OUT/TILT DOWN SELECTOR SWITCH FRONT MAIN CONNECTOR WINCH IN/OUT FRONT DECK CONNECTOR TILT UP/DOWN U/C CONNECTOR AXLES LOAD/TRANSPORT U/C MID CONNECTOR AUX. LIGHTS PWR/GRND CONN Figure 4-4 330A Wiring Parts List...

  • Page 37: Hydraulic System

    4-4 HYDRAULIC SYSTEM b. Check hoses weekly for cracks or leaks. If a 4-4.1 General valve or line leaks, it should be replaced im- a. Check the oil level of the tractor wet kit hy- mediately. draulic tank weekly, or after any leakage. See c.

  • Page 38: Suspension Maintenance

    Before adjusting, the vehicle must be empty to trained service personnel. If the bushings with the kingpin at operating height and have need to be replaced contact a Landoll author- air supplied to the trailer. ized service center or the Landoll factory for b.

  • Page 39: Alignment

    Check the ride height to make sure it is cor- h. Remove the locating pin. rect. Consult Landoll Service Center if correct The block can now be removed by using the height cannot be obtained.
  • Page 40 Figure 4-6 Examples of Camber Figure 4-7 Checking Axle for Bend 4-12...
  • Page 41 CURBSIDE DRIVER SIDE Figure 4-8 Checking Axle Alignment d. Follow the same procedures as in Section 4-7.1 b. and c., except place the axle gauge 4. Measure (D) from the plumb bob to the above and below the axle. If gauge point gap center point on one end of the axle.

  • Page 42: Brake System Maintenance

    4. Align the rear axle to the front axle. Locate 1. Loosen the torque arm clamp bolts on the the rear axle equalizer beam pivot bolt in adjustable torque arms and loosen the axle hanger at front end of driver’s side rear axle U-bolts.
  • Page 43 Figure 4-10 Brake Lining Wear 5. The brakes should now be released. Do 4-8.2 not operate loaded semitrailer with brake Spring Air Brake Chamber manually released. Repair or replace faulty units. Check the con- densation holes on the underside of the brake 6.
  • Page 44 Figure 4-11 Axle and Brake Assembly 4-16...
  • Page 45 Figure 4-12 Checking Brake Adjustment IMPORTANT 4-8.4 Brake Assembly Maintenance BE SURE THE SERVICE LINE IS ON THE SERV- The brake assemblies should be inspected and ICE CHAMBER PORT AND THE EMERGENCY adjusted every 2,000 miles or monthly. Examine LINE IS ON THE SPRING BRAKE PORT. the brake linings visually to locate the lining show- d.

  • Page 46: Hub And Drum Maintenance

    6. To adjust, release brakes. 9. After removing the shoes, completely 7. Place a 9/16" box end or socket wrench on inspect all brake components, servicing as the slack adjuster adjusting nut (See necessary. Figure 4-12), and push in on the locking c.
  • Page 47 Figure 4-13 Three Spoke Wheel and Drum Figure 4-14 Outboard Mount Hub and Drum 4-19...
  • Page 48 4-9.2 It may be necessary to turn or resurface WARNING the braking surface to remove small heat checks or other surface defects resulting from normal use. TURNING A BRAKE DRUM BEYOND a. The maximum diameter cast into the back 0.040 INCHES UNDER THE MAXIMUM plate portion of the brake drum is the maxi- D I A M E TE R W I L L R E SU L T I N A mum diameter or discard diameter to which...
  • Page 49 IMPORTANT CAUTION DO NOT MIX NEW CUPS WITH OLD CONES OR NEW CONES WITH OLD CUPS. REPLACE BRAKE DRUMS IN PAIRS TO m. If studs are marked “R” or “L”, right hand AC H IEVE T H E S A ME B R AK I N G (R) hubs should be installed on the curbside POWER ON BOTH WHEELS AND MAIN- of the vehicle, left hand (L) hubs should be in-...

  • Page 50: Wheel Bearing Lubrication And Adjustment

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

  • Page 51: Tire Maintenance

    4-11 TIRE MAINTENANCE 4-11.1 Tire Inflation. Tire inflation will cause b. Straight Edge or String Method: (This tire to ground contact characteristics as method can not be used if tire and wheel as- shown in Figure 4-16. Tire inflation should semblies are not mounted on the axle.) Jack be checked daily while the tire is cold, and semitrailer up until the wheels are off of the...
  • Page 52 Figure 4-19 Mounting Tires and Wheels Figure 4-20 Stud Tightening Sequence 4-24...

  • Page 53: Winches

    f. Install the outer capnuts and tighten to 50 WARNING foot-pounds using the sequence in Figure 4-20. Then tighten to full torque of 450 to 500 foot-pounds using the same sequence. USE A TORQUE WRENCH TO ASSURE g. Torque will drop after the first 50 to 100 PROPER TORQUE.

  • Page 55: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Troubleshooting should be performed by a trained technician. Landoll Corporation is not responsible for equipment that is improperly maintained. Contact an authorized Landoll Service center for servicing. 5-1 HYDRAULIC SYSTEM Most hydraulic system failures start as a gradual or sudden loss of pressure or flow with a resulting loss of cylinder or motor power.
  • Page 56 Hydraulic System, Continued SYMPTOM PROBLEM: REMEDY Oil is low: Wrong oil type: Foamy oil: Water in oil: Air leaks: Oil is low: Wrong oil type: Foamy oil: Suction line plugged: Pump damaged: Damaged or worn shaft seal: Loose or broken parts: Leaking cylinder seals or fittings: Control valve not centering when released: Valve damaged:...
  • Page 57 5-3 ELECTRICAL Most electrical system problems show up as a burned out light or fuse, or inoperative electrical compo- nent. Wiring, grounds or components may be at fault. Locate the symptom in this section that best identifies your electrical problem. Check out each possible problem under that symptom. If the problem cannot be lo- cated, see an automotive electrical specialist.
  • Page 58 Tires - Wheels - Suspension, Continued SYMPTOM PROBLEM: REMEDY Overloading: High speeds: Incorrect dual matching: Quick stops: Grabbing brakes: Worn or loose wheel bearings: Out of balance wheels and tire: Suspension bushings worn: Worn or loose wheel bearings: Out of balance wheels and tires: RIM FAILURE*: Overinflated tires: High speeds:...
  • Page 59 5-5 BRAKES For maintenance procedures, see Section 4-8. SYMPTOM PROBLEM: REMEDY Brake air system improperly connected: Relay/Emergency valve plugged: Defective tractor protection valve: Restricted tubing or hose line: Broken line: Tractor air system failure: Broken internal brake component: Flat spot on cam roller or cam shaft: Improper adjustment: Spider bushing or cam bracket bushing binding: Improper lubrication:...
  • Page 60 Brakes, Continued SYMPTOM PROBLEM: REMEDY Brakes need adjusting: Cams need lubricating: Brakes need relining: Low air pressure: Relay emergency valve failure: Brakes overheated: Grease on brake linings: Brake rigging binds: Brake valve on tractor failed or worn: Relay emergency valve failed or worn: Relay emergency valve leaking: Leaking tube or hose: Relay emergency valve leaking:...
  • Page 61 5-6 BRAKE DRUMS For maintenance procedures, see Section 4-8. SYMPTOM PROBLEM: REMEDY Overheated brake drums: Drums of different diameters: Foreign matter in drums: Worn drums: Worn or out-of-round drums: Out-of-balance drums: 5-7 WINCH SYMPTOM PROBLEM: REMEDY Load on cable: Tension on winch gears:...
  • Page 62 NOTES:...

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