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5-4

F-876-1217 Edition

TROUBLESHOOTING GUIDE

Electric Brakes

For maintenance procedures, see

“Brake System

Maintenance” on page 4-5.

PROBLEM

PROBABLE CAUSE

SOLUTION

NO BRAKES

Open Circuits

Find and correct

Severe Underadjustment

Adjust brakes

Faulty Controller

Test and correct

Short Circuits

Find and correct

WEAK BRAKES

Grease or Oil on Magnets or Linings

Clean or replace

Corroded Connections

Clean and correct cause of corrosion

Worn Linings or Magnets

Replace

Scored or Grooved Brake Drums

Machine or replace

Improper Synchronization

Correct

Underadjustment

Adjust brakes

Glazed Linings

Reburnish or replace

Overloaded Trailer

Reduce to within load restrictions

LOCKING BRAKES

Underadjustment

Adjust brakes

Improper Synchronization

Correct

Faulty Controller

Test and correct

Loose, Bent, or Broken Brake
Components

Replace components

Out-of-Round Brake Drums

Machine or replace

Insufficient Wheel Load

Adjust system resistor and synchronize

INTERMITTENT BRAKES

Faulty Controller

Test and correct

Broken Wires

Repair or replace

Loose Connections

Find and repair

Faulty Ground

Find and repair

BRAKES PULL TO ONE SIDE

Wrong Magnet Lead Wire Color

Correct

Incorrect Adjustment

Adjust

Grease or Oil on Magnets or Linings

Clean or replace

Broken Wires

Repair or replace

Bad Connections

Find and repair

HARSH BRAKES

Underadjustment

Adjust brakes

Improper Synchronization

Correct

Improper Controller

Change

Faulty Controller

Test and correct

NOISY BRAKES

Underadjustment

Adjust brakes

Broken Brake Components

Replace components

Incorrect Brake Components

Correct

SURGING BRAKES

Grease or Oil on Magnets or Linings

Clean or replace

Out-of-Round Brake Drum

Machine or replace

Faulty Controller

Test and correct

Содержание LT10A Series

Страница 1: ...F 876 1217 12 2017 LANDOLL CORPORATION 1900 North Street Marysville Kansas 66508 785 562 5381 800 428 5655 WWW LANDOLL COM Model LT10A LT12A LT14A Series Tag Trailer Operator s Manual...

Страница 2: ......

Страница 3: ...and Trailer Hook up and Check out 3 2 Towing the Trailer 3 3 Parking the Trailer 3 3 Uncoupling Towing Vehicle From Trailer 3 3 Loading the Trailer 3 4 Unloading the Trailer 3 4 Cold Weather Operatio...

Страница 4: ...eels 4 6 Hydraulic Cushion Cylinder 4 6 Hydraulic System W Flow Control Valve Filling Method 4 7 5 Troubleshooting Guide Electrical 5 1 Tires Wheels Suspension 5 2 Electric Brakes 5 4 Surge Hydraulic...

Страница 5: ...d a lubrication schedule Improper maintenance will void your warranty IF YOU HAVE ANY QUESTIONS CONTACT LANDOLL CORPORATION 1900 NORTH STREET MARYSVILLE KANSAS 66508 PHONE 785 562 5381 or 800 428 5655...

Страница 6: ...y NOTE 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...

Страница 7: ...T1216 4A LT1220A 12 000 LBS MODEL LT1420A LT1422A 14 000 LBS OVERALL WIDTH ALL MODELS 8 6 WEIGHT LT1016A 3 150 LBS LT1016 4A LT1020A 3 500 LBS LT1216 4A LT1220A 3 700 LBS LT1420A LT1422A W Pintle Hitc...

Страница 8: ...20 Tilt Deck LOAD ANGLE LT1016A 12 4 LT1016 4A LT1020A LT1216 4A LT1220A 11 4 LT1420A LT1422A 12 1 AIR RIDE SUSPENSION 12 X 2 Electric Brake Mounting Nut 30 35 FT LBS 12 1 4 X 3 3 8 Electric Brake Mou...

Страница 9: ...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 9 125 156 320 40...

Страница 10: ...sed on grade 8 capscrews Use value in if using prevailing torque nuts Parker Brand Fittings Dash Size 37 Degree JIC O Ring ORS O Ring Boss ORB 4 11 13 15 17 13 15 5 14 16 21 23 6 20 22 34 36 25 29 8 4...

Страница 11: ...must have proper training before operating the trailer IMPORTANT The trailer is wired according to Figure 3 1 Be sure the truck electrical matches to eliminate any potential electrical problems WARNIN...

Страница 12: ...ore inserting the plug into the trailer socket 2 Assure landing gear is raised up all the way 3 Attach safety chains from the trailer to the towing vehicle 4 For electric brake breakaway system attach...

Страница 13: ...kes backing up a steep incline or backing up fast can cause the actuator to apply the brakes The brakes cannot be expected to hold the trailer without pressure on the hitch to activate the actuator 7...

Страница 14: ...be slowly opened to allow the bed to tilt slowly down into road position IMPORTANT This valve does not keep bed from tilting up even when shut off 8 Secure the load using approved standard tie down me...

Страница 15: ...ire inflation Tire inflation decreases when the temperature decreases Hot Weather Operation 1 Hot weather operation can cause expansion of parts resulting in tightening of bearings fasteners and movin...

Страница 16: ...3 6 F 876 1217 Edition OPERATING INSTRUCTIONS Table provided for general use NOTES...

Страница 17: ...maged or broken parts must be repaired or replaced at once Determine the cause of any binding at once Correct the problem before using the towing vehicle or trailer Lubrication See Table 4 1 for lubri...

Страница 18: ...gear 600XP460 5 WINTER Mobilgear 600XP100 6 ALL YEAR Beacon EP Mobilux EP Mulitiplex Red Multifak EP Alvania EP 7 ALL YEAR Teresstic 32 DTE Light Condor 32 or Magnus 32 Regal Oil R O 32 Turbo T 32 8 A...

Страница 19: ...E BRAKE I h I Inspect R Replace T Tighten Adjust Torque L Lubricate C Clean a Perform at the time shown Shorten service intervals when operating in severe or dirty conditions b See Table 2 1 and 2 2 f...

Страница 20: ...greasing solution off with cold water 3 Inspect semitrailer for cause of any reported troubles WARNING 4 Scrape sand prime and repaint areas where finish is missing or where there is evidence of corro...

Страница 21: ...e or reset the breaker If this fuse immediately burns out or the breaker trips locate the cause of the electrical short and repair 5 Lights with a repeated lamp burn out usually indicates a loose conn...

Страница 22: ...een completed Wheels Use vendor manual for wheels and recommendations If another manual is required it can be obtained by requesting Landoll p n 107482 Hydraulic Cushion Cylinder 1 Maintenance of the...

Страница 23: ...owly Allow oil to come out fitting at least a couple minutes and longer if air keeps coming out When air stops coming out close that fitting and open other fittings at flow control valve to assure no...

Страница 24: ...4 8 F 876 1217 Edition MAINTENANCE AND LUBRICATION Page Intentionally Blank...

Страница 25: ...Replace wire Ground wire loose Clean and tighten ground LIGHTS FLICKERING Wires shorted or loose Locate insulate replace or tighten LIGHTS DIM Voltage difference between trailer and tractor Tractor s...

Страница 26: ...lation Deflate to correct inflation See Tire Inflation on page 4 6 SHOULDER TREAD WEAR BOTH SHOULDERS Under inflation Increase inflation to correct PSI Check axle alignment See Tire Inflation on page...

Страница 27: ...gly with road conditions Improper tightening sequence Follow proper tightening sequence REPLACE BROKEN STUDS BEFORE USING THE SEMITRAILER BROKEN STUDS Over tightening Use correct torque when mounting...

Страница 28: ...ntroller Test and correct Loose Bent or Broken Brake Components Replace components Out of Round Brake Drums Machine or replace Insufficient Wheel Load Adjust system resistor and synchronize INTERMITTE...

Страница 29: ...Drums Machine or replace Incorrect Brake Components Replace Loose Bent or Broken Brake Components Replace components Faulty Breakaway Switch Repair or replace Broken Wires Repair or replace Loose Whee...

Страница 30: ...G BRAKES Underadjustment Adjust brakes Breakaway accidentally applied Pry the breakaway locks apart to release lever Loose Bent or Broken Brake Components Replace components Out of Round Brake Drums M...

Страница 31: ...ll of oil Fill with oil according to maintenance procedure Something between bed and hitch Remove obstruction Cylinder damaged Replace cylinder BED WILL NOT TOUCH GROUND Hitch setting is incorrect Rea...

Страница 32: ...lief valve for proper settings Excessive load Check unit specifications for load limit See Standard Specifications on page 2 1 Slipping or broken pump drive Repair or replace couplings Check for align...

Страница 33: ...ion leaks Replace defective parts NOISY PUMP Low incorrect foamy oil Replace clean or add oil as needed Suction line plugged Clean out obstruction or replace line Flush system and replace filter Pump...

Страница 34: ...5 10 F 876 1217 Edition TROUBLESHOOTING GUIDE Table provided for general use NOTES...

Страница 35: ......

Страница 36: ...ng facilities Model LT10A LT12A LT14A Series Tag Trailer Operator s Manual Re Order Part Number F 876 1217 LANDOLL CORPORATION 1900 North Street Marysville Kansas 66508 785 562 5381 800 428 5655 WWW L...

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