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Landoll 900C Series Operator's Manual

Hydraulic tail semitrailer
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Model 900C Series
Hydraulic Tail Semitrailer
Operator's Manual
LANDOLL CORPORATION
1900 North Street
Marysville, Kansas 66508
(785) 562-5381
800-428-5655 ~ WWW.LANDOLL.COM
F-473-0212
02/2012

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  • Page 1 Model 900C Series Hydraulic Tail Semitrailer Operator’s Manual LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM F-473-0212 02/2012...

  • Page 3: Table Of Contents

    Table of Contents Introduction Understanding Safety Statements ..........1-2 Standard Specifications Operating Instructions General .
  • Page 4 Bulkhead (Option) ............3-22 Remote Control (Option) .
  • Page 5 Wheel Bearing Lubrication and Adjustment ........4-26 Adjustment .
  • Page 6 F-473-0212 Edition...

  • Page 7: Introduction

    Chapter 1 Introduction This manual provides operating, servicing, and maintenance instructions for Model 900C series semitrailer manufactured by Landoll Corporation, Marysville, Kansas 66508. CHAPTER 1 gives basic instructions on the use of this manual. CHAPTER 2 gives product specifications for the trailer, including measurements and component specifications.

  • 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 900C series semitrailer. F-473-0212 Edition...

  • Page 9: Standard Specifications

    Chapter 2 Standard Specifications MODEL 930C/950C SERIES CAPACITY*: 70,000 LB. DISTRIBUTED MODEL 930C TANDEM AXLE 50,000 LB. CONCENTRATED IN 10’ DECK RATING 24,000 LB. DISTRIBUTED HYDRAULIC TAIL RATING 100,000 LB. DISTRIBUTED MODEL 950C TRIPLE AXLE 70,000 LB. CONCENTRATED IN 10’ DECK RATING 24,000 LB.
  • Page 10 STANDARD SPECIFICATIONS SPECIFIC BOLT TORQUES AIR RIDE SUSPENSION: EQUALIZER BEAM PIVOT AND ADAPTER BOLTS 800 FT.-LBS. DESIGNATED W/ NEWAY ON BOLT HEAD 550 FT.-LBS. DESIGNATED W/ HOLLAND NEWAY ON BOLT HEAD 4” AND 5” CAM FOLLOWERS ATTACHED TO UNDERCARRIAGE: 250 FT.-LBS. GREASED THREADS 500 FT.-LBS.
  • Page 11 STANDARD SPECIFICATIONS 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). THEY DO NOT APPLY IF SPECIAL GRAPHITE MOLY-DISULFIDE OR OTHER EXTREME PRESSURE LUBRICANTS ARE USED.
  • Page 12 STANDARD SPECIFICATIONS 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 LUBRICATION (AS RECEIVED CONDITION) THEY DO NOT APPLY IF SPECIAL GRAPHITE MOLY-DISULFIDE OR OTHER EXTREME PRESSURE LUBRICANTS ARE USED.

  • Page 13: Operating Instructions

    Chapter 3 Operating Instructions General Air Brake System The air brake system of the semitrailer is operated from This section supplies information for operation of the the towing vehicle after coupling. The towing vehicle’s air semitrailer. It describes and locates controls and gives system must be coupled to the semitrailer and charged to general operation procedures.
  • Page 14 OPERATING INSTRUCTIONS TAIL DECK LOWER DECK AIR RAMP ASSEMBLY UPPER DECK BULKHEAD WINCH ABS DIAGNOSTIC BLINK LIGHT REAR BUMPER, ENERGY PAK, AND BUMPER ARM WELDMENT KING PIN TOOL BOX LANDING GEAR CONTROL PANEL OPTIONAL TOOL BOX 900b terms Figure 3-1: Trailer Terminology F-473-0212 Edition...

  • Page 15: Electrical

    OPERATING INSTRUCTIONS Electrical Pre-Coupling of Semitrailer and Tractor The only electrical operation required of the operator is interconnection of the towing vehicle electrical cable plug 1. Slowly back the tractor/truck (towing vehicle) up to with the semitrailer electrical receptacle. the front end of the semitrailer so the kingpin of the It is necessary that the tractor blue wire be connected to semitrailer is centered between the tractor fifth wheel the appropriate electrical source on the tractor.

  • Page 16: Coupling Of The Tractor To The Semitrailer

    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  DANGER the electrical receptacle on the front of the semitrailer (See Figure 3-2.) Keep all personnel clear of front, rear, and sides of towing vehicle and semitrailer during coupling, IMPORTANT component operations, and uncoupling.

  • Page 17: Tractor And Semitrailer Check-Out

    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 18 OPERATING INSTRUCTIONS WINCH CONTROL LEVER TAIL/AXLE CONTROL LEVER LANDING GEAR CRANK HANDLE WORK LIGHT SWITCH WINCH SPOOL AND TENSION SWITCH RAMP ACTIVATION BUTTON (OPTION) AIR RIDE SUSPENSION SWITCH DOCK LIFT ARM CONTROL BUTTON RAMP SUPPORT RELEASE (OPTION) m136205 op Figure 3-3: Hydraulic Controls F-473-0212 Edition...

  • Page 19: Towing The Semitrailer

    OPERATING INSTRUCTIONS Towing the Semitrailer 3. The semitrailer wheels track to the inside of the towing vehicle during turns. Thus, turning corners requires a wide swing to prevent “curb hopping”, and  CAUTION to allow the semitrailer wheels to clear any obstacle on the inside of the corner.

  • Page 20: Uncoupling Towing Vehicle From Semitrailer

    OPERATING INSTRUCTIONS Uncoupling Towing Vehicle from 3. Disconnect the emergency and service air lines and attach them to the tractor gladhand holders. If Semitrailer present, install dummy gladhands on trailer couplings. 1. Park the semitrailer according to instructions in 4. Disconnect the 7-pole cable and hydraulic lines from “Parking the Trailer”...

  • Page 21: Tail/Axle Control Lever

    Air Suspension Dump Valve The TAIL/AXLE CONTROL lever is located on the 1. The 900C Series semitrailer comes equipped with a control panel (See Figure 3-3.) The lever is used both for “dump valve” on the air ride suspension as standard loading/unloading and dock leveler operation.

  • Page 22: Loading Procedure

    OPERATING INSTRUCTIONS Loading Procedure 4. Move undercarriage forward using the TAIL/AXLE CONTROL LEVER until approach plate touches the ground (See “Tail/Axle Control Lever” on  DANGER page 3-9.) 5. If winch cable is connected to tail bed, disconnect 1. Do not go near undercarriage when cam cable from tail bed or reel out cable as needed to rollers are partially out of pockets.

  • Page 23: Securing The Load

    OPERATING INSTRUCTIONS Securing the Load  CAUTION  Model 930 semitrailer maximum concentrated WARNING 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 24 OPERATING INSTRUCTIONS TAIL UNDERCARRIAGE DOCK LOAD POSITION TRANSPORT POSITION TAIL UNDERCARRIAGE GROUND LOAD POSITION 900b load unload Figure 3-4: Steps for Loading and Unloading 3-12 F-473-0212 Edition...

  • Page 25: Unloading Procedure

    OPERATING INSTRUCTIONS Unloading Procedure  WARNING 1. Practice all standard industrial safety standards. When removing load, insure 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 side of the semitrailer.

  • Page 26: Winch Controls

    OPERATING INSTRUCTIONS Winch Controls Free Spool Clutch Operation (Warn Winch)  DANGER Warn Series XL winches are equipped with either a manual or air operated freespool clutch depending on the 1. The winch is not designed or intended to be model.

  • Page 27: Free Spool Clutch Operation (Braden)

    OPERATING INSTRUCTIONS 2. The air freespool clutch is operated by application of air pressure to the fitting supplied on the winch gearbox housing (See Figure 3-6.) The fitting is designed to accept 1/4” rigid plastic tubing. a. To release the clutch (freespool operation): Apply ENGAGE 60-400 psi air pressure to the air fitting.
  • Page 28 OPERATING INSTRUCTIONS 30” DOCK LEVEL ARM ENGAGING POSITION DOCK LEVEL ARM FULLY ENGAGED POSITION BEGIN OF LIFT DOCK LEVEL POCKET LIFT ARM STOP RECEIVER W/ SEATED LIFT ARM ROLLER DOCK LEVEL DOCK LEVEL ARM FULLY ENGAGED POSITION FULL LIFT mem950b-51-tail Figure 3-9: Dock Leveler Operation 3-16 F-473-0212 Edition...

  • Page 29: Dock Leveler Control Operation (Option)

    OPERATING INSTRUCTIONS Dock Leveler Control Operation (Option) DOWN/LOAD In this position, the undercarriage slides forward to allow engaging of  dock level. DANGER CENTER This is the neutral position. When using dock levelers, the semitrailer must UP/ROAD In this position, in conjunction with dock be kept level at all times.
  • Page 30 OPERATING INSTRUCTIONS RAMP SUPPORT LATCH RAMP SUPPORT HANDLE RAMP PALM (LATCH POSITION) BUTTON UPPER DECK RAMP - RAISED POSITION RAMP SUPPORT LATCH (RETRACTED) RAMP PALM RAMP SUPPORT HANDLE BUTTON (RELEASE POSITION) UPPER DECK RAMP - RELEASING RAMP SUPPORT LATCH RAMP SUPPORT HANDLE RAMP PALM BUTTON UPPER DECK RAMP - LOWERED POSITION...

  • Page 31: Air Activated Upper Deck Ramp (Option)

    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 3-10.) ...

  • Page 32: Hydraulic Power Supply Engine Operation (Option)

    OPERATING INSTRUCTIONS LANDING GEAR CONTROL ENGINE IGNITION SWITCH ENGINE THROTTLE ENGINE CHOKE mem950b-51-ctrl-pn Figure 3-11: Hydraulic Engine Package Control Panel (Option) Hydraulic Power Supply Engine 2. The ENGINE IGNITION SWITCH is located below the hydraulic controls, and behind them on the Operation (Option) driver’s side of the semitrailer.

  • Page 33: Air Ride Operation

    OPERATING INSTRUCTIONS Air Ride Operation 3. The HYDRAULIC POWER SUPPLY ENGINE CHOKE is located to the right of the Engine Ignition 1. Trailer air pressure must be maintained above 90 PSI Switch on the driver’s side of the semitrailer (See before operating.

  • Page 34: Bulkhead (Option)

    OPERATING INSTRUCTIONS CHAIN RACK BULKHEAD BULKHEAD EXTENSION 1/4 X 2 COTTER PIN HITCH LEVELING LINK PIN bulkhead Figure 3-12: Bulkhead (Option) Bulkhead (Option) Remote Control (Option) 1. Optional bulkheads may come with or without chain 1. A wireless six function radio remote control is racks.
  • Page 35 OPERATING INSTRUCTIONS 4. To operate the remote: a. Press and hold the POWER button for at least 2 seconds and release. Transmitter Error Code Chart b. The transmitter is designed with a power saving Error Code Probable Cause feature which turns the transmitter off after 15 minutes if no buttons are pressed.
  • Page 36 OPERATING INSTRUCTIONS 4” 4” (max.) (max.) 22” (max.) REAR VIEW OF TRAILER CERTIFICATION DECAL TO BE LOCATED ON FORWARD FACING SURFACE, 12 INCHES FROM CURB END OF GUARD. 12” (max.) ABS LIGHT BLINK CODE DIAGNOSTIC TOOL (CURBSIDE) 5” (min.) BETWEEN ENERGY PAK BOLT HEADS VIEW A-A...

  • Page 37: Rear Impact Guard System

    Anti-Lock Brake System (ABS) Vehicle standards FMVSS No. 224, Rear Impact Vehicle standards FMVSS No. 121, anti-lock brake Protection, requires all 900C Series trailers manufactured system requires all trailers manufactured after March 1, after January 26, 1998 shall be equipped with a rear 1998 with air brake systems to have ABS.

  • Page 38: Cold Weather Operation

    OPERATING INSTRUCTIONS Hot Weather Operation  CAUTION 1. Hot weather operation can create certain problems If a fault exists in the semitrailer ABS, normal which must be checked. Expansion of parts result in braking will occur, but wheels may lock. Service tightening of bearings, fasteners, and moving parts.

  • Page 39: Maintenance And Lubrication

    Maintenance and Lubrication Inspection This section contains instructions necessary for proper maintenance of the semitrailer. The 900C 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 40 MAINTENANCE AND LUBRICATION CAMSHAFT BUSHINGS SLACK ADJUSTERS (3) CENTRALIZED GREASE SYSTEM TAIL ROLLERS (#3) DETAIL A WINCH GEAR CASE (#2) WINCH CABLES (#4) DETAIL A HUB OIL (#5) LANDING GEAR (#3) KINGPIN PLATE (#3) ENGINE CRANKCASE (#6) HYDRAULIC RESERVOIR (ENGINE PACKAGE)(#1) 900b lube p1 Figure 4-1: Lubrication Points (1 of 2) F-473-0212 Edition...
  • Page 41 MAINTENANCE AND LUBRICATION CENTRALIZED GREASE LOCATION DOCK LIFT ARM ROLLERS (#3) UNDERCARRIAGE ROLLERS (#3) 900b lube p2 Figure 4-2: Lubrication Points (2 of 2) BRAND AND PRODUCT (WEIGHT AND/OR TYPE) LUBE SEASON AMOCO EXXON PHILLIPS TEXACO ALL YEAR Rycon MV HDX Plus 10W Mangus Oil Rando HD-AZ...

  • Page 42: Maintenance Procedures

    MAINTENANCE AND LUBRICATION Maintenance Procedures Cleaning 1. Wash semitrailer to remove all accumulated dirt and Repair Parts grime. 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 43 MAINTENANCE AND LUBRICATION NORMAL OPERATING SERVICE INTERVALS SERVICE INTERVAL: 1ST 5 ITEM TIMES HOURS WEEKLY MONTHLY MONTHS YEARLY LUBE # NOTES MILES 2,000 12,000 25,000 LIGHTS WIRING AND CONNECTIONS FASTENERS KING PIN AND PLATE C,I,L BRAKE AIR SYSTEM RELAY VALVES BRAKE ADJ &...
  • Page 44 MAINTENANCE AND LUBRICATION PERIODIC HYDRAULIC ENGINE MAINTENANCE SCHEDULE AFTER EACH CYCLE OF INDICATED HOURS SERVICE ITEMS 1000 INSPECT ENGINE GENERALLY CHECK OIL LEVEL SERVICE AIR CLEANER ELEMENT AND ELEMENT WRAPPER SERVICE CRANKCASE OIL (all engines w/o filter) CHANGE CRANKCASE OIL (standard base w/ filter) CHANGE CRANKCASE OIL (high capacity base w/ filter) REPLACE OIL FILTER CHECK BATTERY ELECTROLYTE LEVEL...

  • Page 45: Gooseneck, Frame, And Deck

    If any cracks or breaks are found, extended and all other hydraulic cylinders in the contact the Landoll factory for repairs. Inspect the deck retracted position and with the engine stopped. daily for broken or missing planks or missing 2.
  • Page 46 STOP STOP STOP TURN TURN TAIL TAIL TAIL TAIL TAIL LICENSE TAIL LEFT RIGHT RIGHT LEFT LEFT LAMP RIGHT DS13 DS15 DS17 DS19 DS21 DS22 DS20 DS18 DS16 DS14 m143208 elect op Figure 4-3: 900C Series Wiring Diagram F-473-0212 Edition...
  • Page 47 MAINTENANCE AND LUBRICATION 900C remote control schematic Figure 4-4: Remote Wiring Diagram...
  • Page 48 MAINTENANCE AND LUBRICATION 900C SERIES WIRING PARTS LIST REF. DES. FUNCTION REF. DES. FUNCTION FRONT LEFT CLEARANCE, YELLOW 7 WAY RECEPTACLE FRONT RIGHT CLEARANCE, YELLOW J2 FRONT MAIN CONNECTOR FRONT LEFT MARKER, YELLOW BED MAIN CONNECTOR FRONT RIGHT MARKER, YELLOW...

  • Page 49: Electrical System

    MAINTENANCE AND LUBRICATION Electrical System 4. Fuse or circuit breaker burn-out or blow-out usually indicates an electrical short-circuit, although a fuse 1. Maintenance of the electrical system consists of can occasionally fail from vibration. Insert a second inspection and minor servicing. Any wire, connection fuse or reset the breaker.
  • Page 50 MAINTENANCE AND LUBRICATION Figure 4-5: Air Ride Suspension System aride345 Figure 4-6: Air Ride Height Adjustment 4-12 F-473-0212 Edition...

  • Page 51: Suspension Maintenance

    65 psi, all air springs should be of equal 5. Check the ride height to make sure it is correct. firmness. The height control valve on right side of Consult Landoll Service Center if correct height front axle controls all air springs on tandem axle cannot be obtained.

  • Page 52: Alignment

    MAINTENANCE AND LUBRICATION Figure 4-7: Checking Axle for Bend 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.

  • Page 53: Axle Alignment

    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. occurs.
  • Page 54 MAINTENANCE AND LUBRICATION Figure 4-8: Checking Axle Alignment Figure 4-9: Examples of Camber 4-16 F-473-0212 Edition...

  • Page 55: Brake System Maintenance

    MAINTENANCE AND LUBRICATION Brake System Maintenance DRAIN COCK  WARNING 1. When crawling under the semitrailer is necessary, chock all wheels of the trailer and tractor. When jacking is necessary, chock all wheels and support the semitrailer undercarriage with jack stands sufficient to withstand the weight of the semitrailer and load.

  • Page 56: Spring Air Brake Chambers

    MAINTENANCE AND LUBRICATION Spring Air Brake Chambers Removal Check for faulty units. Check the condensation holes on 1. Chock all tractor and trailer wheels and drain the air the underside of the brake chambers to make sure they system. are open. The spring brake has two brake chambers, a 2.

  • Page 57: Emergency Relay Valve Maintenance

    2. Remove slack adjuster lock ring and slack adjuster performed by trained service personnel. Contact (See Figure 4-12.) a Landoll authorized service center or the Landoll 3. Remove drum assembly (See Figure 4-14.) factory for servicing. 4. Remove anchor pin retainers, washers, and bushings.
  • Page 58 MAINTENANCE AND LUBRICATION Figure 4-12: Axle and Brake Assembly 4-20 F-473-0212 Edition...

  • Page 59: Reassembly For 12-1/4" X 7-1/2" Brakes

    MAINTENANCE AND LUBRICATION Reassembly for 12-1/4” X 7-1/2” Brakes Reassembly for 16-1/2 x 7" 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 When installing camshaft seals, the seal on the slack...

  • Page 60: Automatic Slack Adjuster

    MAINTENANCE AND LUBRICATION Automatic Slack Adjuster  WARNING The semitrailer automatic slack adjusters provide the means for routine brake adjustment to compensate for If the adjuster appears not to be operating, check lining wear. Inspect slack adjusters to assure correct the other brake components for proper function operation (See Table 4-2.) and eliminate any binding.

  • Page 61: Adjusting Slack Adjuster

    MAINTENANCE AND LUBRICATION COTTER PIN PUSHROD 1/2” CLEVIS PIN JAM NUT COTTER PIN 1/4” CLEVIS PIN CLEVIS INSTALLATION GUIDE CAMSHAFT SLACK ADJUSTER ADJUSTMENT HEX slack Figure 4-13: Slack Adjuster 7. Observe the guide pointer arrow: Adjusting Slack Adjuster If the guide pointer is above the clevis pointer, adjust 1.

  • Page 62: Hub And Drum Maintenance

    MAINTENANCE AND LUBRICATION Hub and Drum Maintenance 3. Replacement of the brake drum is required if any of the following conditions exist:  a. The brake drum is cracked. WARNING b. The brake surface is heat checked, grooved or worn beyond the rebore limit or the maximum Failure to replace faulty brake drums will result in diameter.
  • Page 63 MAINTENANCE AND LUBRICATION Figure 4-14: Outboard Mount Hub and Drum h. Clean the mounting surfaces with a good grade o. Place the drum over the hub and brake shoes commercial cleaner and soft rag. Dry all being careful not to damage the threads on the component parts with a clean, absorbent cloth or studs (See Figure 4-14.) Make sure the drum paper.

  • Page 64: Wheel Bearing Lubrication And Adjustment

    MAINTENANCE AND LUBRICATION Wheel Bearing Lubrication and Adjustment Adjustment 1. After properly installing the bearings and seals according to the manufacturers's recommendations, With semitrailer sitting level, the oil level must be checked tighten the inner spindle nut to 100 ft. lbs. while daily and maintained between the “ADD”...

  • Page 65: Tire Maintenance

    MAINTENANCE AND LUBRICATION Figure 4-15: Tire Inflation Examples Tire Maintenance Tire Inflation Tire inflation will cause tire to ground contact characteristics as shown in Figure 4-15. Tire inflation should be checked daily while the tire is cold, and during road stops. Checking the tire pressures while tires are hot will give a faulty increased pressure reading.

  • Page 66: Mounting Tire And Wheel

    MAINTENANCE AND LUBRICATION Figure 4-18: Mounting Tires and Wheels Mounting Tire and Wheel  WARNING 1. Make sure that all mounting surfaces are clean and free of rust, dirt or paint. A wire brush may be used to Use a torque wrench to assure proper torque. clean these surfaces (See Figure 4-18.) Insufficient torque can cause stud breakage and damage wheel pilots.
  • Page 67 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 BUSHING THRUST GROOVED PIN...

  • Page 68: Winches

    MAINTENANCE AND LUBRICATION Winches IMPORTANT Inspect the winch cable before and after every usage. If The cover is sealed to the upper housing with a frayed wires, nicks, kinks, worn spots, breaks or any silicone sealant. When replacing the cover a suitable other sign of deterioration or damage is found, immediate silicone sealant must be used.

  • Page 69: Troubleshooting Guide

    Most electrical system problems show up as a burned out responsible for equipment that is improperly maintained. light or fuse, or inoperative electrical component. Wiring, Contact an authorized Landoll Service center for grounds, or components may be at fault. Locate the servicing.

  • Page 70: Tires - Wheels - Suspension

    TROUBLESHOOTING GUIDE Tires - Wheels - Suspension • “Hydraulic System” on page 4-7 • “Alignment” on page 4-14 Most tire, wheel, and suspension related problems are • “Hub and Drum Maintenance” on page 4-24 due to excessive loads, extreme conditions, and improper maintenance.
  • Page 71 TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE SOLUTION BENDING OR WARPING Curb-hopping or potholes Adjust turning practices and adjust speed accordingly with road conditions. Improper tightening sequence Follow proper tightening sequence (See Figure 4-19.) BROKEN STUDS* Over tightening Use correct torque when mounting (See “Standard Specifications”...

  • Page 72: Brakes

    TROUBLESHOOTING GUIDE Brakes For maintenance procedures, see “Brake System Maintenance” on page 4-17. 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 73 TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE SOLUTION 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 Check line pressure and check valve position Restricted tubing or line Locate restriction and remove...

  • Page 74: Brake Drums

    TROUBLESHOOTING GUIDE Brake Drums • “Suspension Maintenance” on page 4-13 • “Alignment” on page 4-14 For maintenance procedures, refer the following • “Brake System Maintenance” on page 4-17 sections: • “Hub and Drum Maintenance” on page 4-24 • “Wheel Bearing Lubrication and Adjustment” on page 4-26 PROBLEM PROBABLE CAUSE...

  • Page 75: Hydraulic System

    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 76: Hydraulic Power Supply Engine Package

    TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE SOLUTION OVER HEATING OF OIL IN SYSTEM Oil passing through relief valve for Return control valve to neutral when not in excessive time Incorrect, low, dirty oil Use recommended oil (See Table 4-1 on page 4-3). Fill reservoir with clean oil. Replace filter.

  • Page 77: Remote Control

    TROUBLESHOOTING GUIDE Remote Control PROBLEM PROBABLE CAUSE SOLUTION NO FUNCTIONS WORK Check that transmitter power is on. Self-explanatory Check that transmitter power is on Self-explanatory Check system wiring for power into the Tighten loose connections system. Check LED status display for system Self-explanatory status.
  • Page 78 TROUBLESHOOTING GUIDE Page Intentionally Blank 5-10 F-473-0212 Edition...
  • Page 80 Equipment from Landoll Corporation is built to exacting standards ensured by ISO 9001 registration at all Landoll manufacturing facilities. Model 900C Series Hydraulic Tail Semitrailer Operator’s Manual Re-Order Part Number F-473-0212 LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM...

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