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TROUBLESHOOTING

5-1 ELECTRICAL

Most electrical system problems show up as a burned out light or fuse, or inoperative electrical

component. 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 located, see an automotive electrical specialist. For maintenance procedures, see

Section 4-5.

SYMPTOM

PROBLEM: REMEDY

NO LIGHTS

Fuse blown:

replace fuse.

Connection at plug-in:

tighten connection.

Broken or corroded wires:

replace wire.

Ground wire loose:

clean and tighten ground.

LIGHTS FLICKERING

Wires shorted or loose:

locate, insulate, replace, or tighten.

Grounding through fifth wheel:

locate broken ground wire

(tractor or trailer).

LIGHTS DIM

Voltage difference between trailer & tractor:

match bulbs

with tractor voltage.

Grounding through fifth wheel:

locate broken ground wire

(tractor or trailer).

LIGHTS BRIGHT & BURN OUT

Voltage difference between trailer & tractor:

match bulbs

with tractor voltage.

FUSE BLOW-OUT OR CIRCUIT

BREAKER TRIPPING

Vibration:

locate source of vibration and repair.

Short circuit:

replace fuse and try all accessories. If fuse

blows right away, locate short and repair.

LAMP BULB BURN OUT

Vibration:

locate source of vibration and repair.

Short circuit:

replace fuse and try all accessories. If fuse

blows right away, locate short and repair.

Loose connection:

check lamp sockets and ground connec-

tions.

Intermittent short:

locate short and repair.

Improper voltage:

check voltage regulator output.

5-1

Содержание 345C

Страница 1: ...MODEL 345C TRAILER OPERATOR S MANUAL 1900 North Street Marysville KS 66508 785 562 5381 F 366 1003 10 03...

Страница 2: ...fective within a sixty 60 month warranty period prorated on the following basis One 1 Year 100 Three 3 Years 70 Five 5 Years 50 Two 2 Years 80 Four 4 Years 60 All Bottom Dump and Industrial and Utilit...

Страница 3: ...MODEL 345C TRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO i...

Страница 4: ...involved in individual prob lems between you your dealer or Landoll Manufacturing To contact NHTSA you may either call the Auto Safety Hotline toll free at 1 800 424 9393 or 366 0123 in Washington D C...

Страница 5: ...EVER 3 7 3 12 LOADING THE TRAILER 3 8 3 13 UNLOADING THE TRAILER 3 9 3 14 AUXILIARY HYDRAULIC POWER ENGINE OPERATION 3 12 3 15 DOCK LEVELER CONTROL 3 13 3 16 REAR IMPACT GUARD SYSTEM 3 15 3 17 ANTI LO...

Страница 6: ...ICH IF NOT AVOIDED WILL RESULT IN DEATH OR SERIOUS INJURY WARNING WARNING INDICATES A POTENTIALLY HAZARDOUS SITUA TION WHICH IF NOT AVOIDED COULD RESULT IN DEATH OR SERIOUS INJURY CAUTION CAUTION INDI...

Страница 7: ...VE ANY QUESTIONS CONTACT LANDOLL CORPORATION 1900 NORTH STREET MARYSVILLE KANSAS 66508 or phone 785 562 5381 or 800 428 5655 or FAX 785 562 4893 SECTION 5 is a troubleshooting guide to aid in diagnosi...

Страница 8: ......

Страница 9: ...EQUALIZER BEAM PIVOT AND ADAPTER BOLTS DESIGNATED W NEWAY ON BOLT HEAD 800 FT LBS DESIGNATED W HOLLAND NEWAY ON BOLT HEAD 550 FT LBS SHOCK ABSORBER MOUNTING 150 FT LBS AIR SPRING MOUNTING 1 2 35 FT L...

Страница 10: ...65 81 90 112 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 12...

Страница 11: ...146 75 85 16 115 125 202 218 109 121 20 160 180 248 272 213 237 24 185 215 303 327 238 262 32 250 290 310 340 LANDOLL CORPORATION HYDRAULIC FITTING TORQUE SPECIFICATIONS 37o JIC ORS ORB REV 10 97 THIS...

Страница 12: ......

Страница 13: ...the trailer is operated from the towing vehicle after coupling The towing vehicle s air system must be coupled to the trailer and charged to 90 psi minimum before the brakes can adequately function 3...

Страница 14: ...n the hitch of the towing vehicle If the trailer hitch is bolted to the trailer at the cor rect height according to Steps 3 2 2 and 3 2 3 raise or lower the hitch by operating the bed tilt hydraulics...

Страница 15: ...intle eye onto truck hitch by tilt ing bed up and lock the hitch in place 3 3 6 Raise the landing gear parking stands by first tilting the bed up activating the front hydraulic lever until the landing...

Страница 16: ...tion of the trailer When executing steep grades or turn ing tight curves the trailer must not be al lowed to push the towing vehicle or jackknif ing the trailer with the towing vehicle may re sult App...

Страница 17: ...or proper brake holding 3 7 3 Chock wheels of trailer 3 7 4 Check for any air leaks in lines relay valve brake air chamber or any other air system component 3 8 UNCOUPLING TOWING VEHICLE FROM TRAILER...

Страница 18: ...nd winch clutch handle has two positions that engage or disengage the winch spool DISENGAGE In this position the winch is disen gaged This allows the spool to free wheel This is only used when there i...

Страница 19: ...sition the undercarriage slides to the rear The undercarriage must be in the rear most position for transport 3 11 TRAILER TILT LEVER The TRAILER TILT LEVER See Figure 3 3 is located on the front lowe...

Страница 20: ...he ground whenever the center of gravity of the trailer and load is behind the rear axle of trailer In loading po sition the approach plate should be resting on the ground and the undercarriage fully...

Страница 21: ...ill lower as the undercarriage rollers go into pockets Hold TRAILER TILT lever in the down position until hydraulic system works against the bottomed out Hydraulic Tilt Cylin ders Hold AXLE CONTROL le...

Страница 22: ...3 10 Figure 3 4 Steps for Loading and Unloading...

Страница 23: ...the end of the approach plate With end of load resting on the ground block load from rolling or sliding if necessary Discon nect the winch and move the trailer from un der the load allowing the load...

Страница 24: ...ngine throttle is fully open letting it run at full speed LOW In this position the engine throttle is closed letting the engine run at a slow idle 3 14 4 To start pull the choke completely out and set...

Страница 25: ...usts the cylinder on the curb side of the trailer Both controls have three position IN When the control for either cylinder is pushed in toward the center of the trailer the corresponding side of trai...

Страница 26: ...3 14 Figure 3 7 Rear Impact Guard and Antilock Brake System...

Страница 27: ...OR DEATH TO OTHERS 3 17 ANTI LOCK BRAKE SYSTEM ABS Vehicle standards FMVSS No 121 anti lock brake system requires all trailers with air brake systems to have ABS after March 1 1998 Each trailer inclu...

Страница 28: ...trical receptacle usually located by the Hydraulic Control Panel Optional receptacle locations are on the rear street side or both rear street and rear curb sides The wired re mote is available as a s...

Страница 29: ...ires light and hose grommets hoses etc and paint life 3 20 3 Check tire pressure early in the day be fore beginning operations while the tire is cool Put all valve stem caps back on after checking 3 2...

Страница 30: ......

Страница 31: ...s must be repaired or replaced at once Deter mine the cause of any binding or hydraulic leakage at once Correct the problem before using the tractor or trailer b Use the Troubleshooting Guide to check...

Страница 32: ...ti purpose Grease Rondex Multi purpose Grease Phil Lube M W Grease MarFax All Purpose 4 ALL YEAR Industrial Oil 32 Estic 32 Condor 32 or Magnus 32 Regal Oil R O 32 5 ALL YEAR Gear Lube SAE 80W 90 Gear...

Страница 33: ...T I I T f HYDRAULIC OIL I I R 1 c HYDRAULIC FILTER R R HOSES I I I WINCH GEAR CASE I I 2 c I Inspect R Replace T Tighten Adjust Torque L Lubricate C Clean NOTES a Perform at the time shown Shorten se...

Страница 34: ...reported troubles d Scrape sand prime and repaint areas where finish is missing or where there is evi dence of corrosion e Replace any missing or illegible decals Re place any missing or damaged refle...

Страница 35: ...4 5 Figure 4 2 345C Wiring Diagram...

Страница 36: ...4 6 Figure 4 3 Remote Wiring Diagram...

Страница 37: ...EL LH DS22 CONTROL PANEL RH DS23 FIRST WINCH LIGHT DS24 FIRST WINCH LIGHT DS25 ABS MALFUNCTION INDICATOR YELLOW DS26 LEFT STOP TAIL RED DS27 RIGHT STOP TAIL RED J1 FRONT MAIN CONNECTOR J2 LOWER DECK C...

Страница 38: ...ge or unraveling must be repaired or replaced 4 5 2 Frayed or unraveling wire must have the defective section removed and replaced with wire of the same color and gauge Seal all connections and insula...

Страница 39: ...d with Neway Second number listed is torque required if bolt head designated with Holland Neway b Check all other suspension components for any sign of damage looseness wear or cracks c With trailer o...

Страница 40: ...NING ACCIDENT 1 SUPPORT TRAILER AND UNDER CARRIAGE SO TIRES ARE OFF THE GROUND 2 SUPPORT THE TRAILER AND UN DERCARRIAGE ON JACK STANDS WITH SUFFICIENT CAPACITY TO SUP PORT THE TOTAL WEIGHT OF THE TRAI...

Страница 41: ...4 11 Figure 4 5 Examples of Camber Figure 4 6 Checking Axle for Bend...

Страница 42: ...easuring from the underside of the trailer 3 Suspend a plumb bob at axle height from the center of the pintle eye 4 Measure D from the plumb bob to the center point on one end of the axle Record this...

Страница 43: ...procedure outlined in Section 4 7 2 a 3 Tighten the axle U bolts to the torques listed in the above table 4 Tighten the front axle torque arm clamp bolts to the torque listed in the above table 5 Alig...

Страница 44: ...spring brake chamber See Figure 4 10 3 Remove the release bolt from it s holding brackets Insert it into the spring brake chamber until it can be rotated and hooked into place DO NOT USE AN IMPACT WRE...

Страница 45: ...should be removed and the linings replaced if the thinnest portion of the lining is 3 8 in 9 5 mm or less Do not allow the linings to wear thin enough that the lining rivet contacts the drum See Figu...

Страница 46: ...4 16 Figure 4 10 Axle and Brake Assembly...

Страница 47: ...unterclockwise to create an excessive clearance condition A ratcheting sound will occur 4 Make a full service brake application On release allow sufficient time for brake to fully retract During the b...

Страница 48: ...he air chamber 6 Swing the guide into the clevis until the appropriate slot totally engages 1 2 pin 7 Observe the guide pointer arrow If the guide pointer is above the clevis pointer adjust clevis CCW...

Страница 49: ...esurfacing a drum allow at least 0 040 inches under the maximum diameter for additional wear WARNING TURNING A BRAKE DRUM BEYOND 0 040 INCHES UNDER THE MAXIMUM DIAMETER WILL RESULT IN A WEAKER BRAKE D...

Страница 50: ...the vehicle left hand L hubs should be in stalled on the driver side WARNING FAILURE TO USE THE CORRECT STUD ON THE CORRECT SIDE MAY CAUSE LOOSENING OF THE HUB STUDS DURING OPERATION RE SULTING IN LOS...

Страница 51: ...el to in sure proper seating of the bearings and cups in the wheel hub f Loosen the inner adjustment nut so that the wheel will turn freely g Retighten the inner adjustment nut to 50 ft lbs while rota...

Страница 52: ...re will result in damaged tire bodies rims and wheels Replace all valve stem caps when pressure checking adjusting has been com pleted Remove any foreign objects from be tween duals 4 11 2 Tire Matchi...

Страница 53: ...ake sure that all mounting surfaces are clean and free of rust dirt or paint A wire brush may be used to clean these surfaces See Figure 4 16 b Position the inner disc wheel over the studs being caref...

Страница 54: ...after every usage If frayed wires nicks kinks worn spots breaks or any other sign of deterioration or dam age is found immediate replacement is mandatory before further usage If the trailer is going...

Страница 55: ...replace or tighten Grounding through fifth wheel locate broken ground wire tractor or trailer LIGHTS DIM Voltage difference between trailer tractor match bulbs with tractor voltage Grounding through f...

Страница 56: ...ONE SHOULDER Axle damage straighten or replace axle OVERALL TREAD WEAR Overloading check tire load rating High speeds adjust speed according to road and load condi tions Incorrect dual matching proper...

Страница 57: ...place valve Supply line to one height control valve pinched restricted or plugged repair or replace line 5 3 BRAKES For maintenance procedures see Section 4 8 SYMPTOM PROBLEM REMEDY NO BRAKES OR BRAKE...

Страница 58: ...brake Relay emergency valve in emergency position check line pressure and check valve Restricted tubing or line locate restriction and remove Defective tractor protection valve troubleshoot tractor a...

Страница 59: ...tenance manual sup plied with trailer for system function and use of blink code diagnostics 5 4 BRAKE DRUMS For maintenance procedures see Sections 4 6 4 7 4 8 4 9 4 10 SYMPTOM PROBLEM REMEDY EXCESSIV...

Страница 60: ...ump drive repair or replace couplings Check for alignment SYSTEM OPERATES ERRATIC ALLY Air in the system check suction side of system for leaks Re pair leaks Cold oil allow ample warm up time Use prop...

Страница 61: ...SY PUMP Low incorrect foamy oil replace clean or add oil as needed Suction line plugged clean out obstruction or replace line Flush system replace filter LEAKY PUMP Damaged or worn shaft seal Replace...

Страница 62: ...0 psi Worn hydraulic pump service or replace Insufficient volume to dock level circuit adjust flow divider to provide 2 5 to 3 1 GPM Too heavy a load reduce load on cylinders LOWERS UNEVENLY OR ERRATI...

Страница 63: ...5 9 NOTES...

Страница 64: ......

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