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5-3 BRAKES

For maintenance procedures, see

Section 4-8.

SYMPTOM

PROBLEM: REMEDY

NO BRAKES OR BRAKES

ARE INTERMITTENT

Brake air system improperly connected:

reconnect hand

valves properly.

Relay/Emergency valve plugged:

clean valve.

Defective tractor protection valve:

repair or replace.

Restricted tubing or hose line:

locate and eliminate restric-

tion.

Broken line:

locate break and repair.

Tractor air system failure:

troubleshoot tractor air system and re-

pair. Check ABS system function.

SINGLE BRAKE DRAGGING

OR LOCKED

Broken internal brake component:

locate and replace broken

part.

Flat spot on cam roller or cam shaft:

replace and lubricate.

Improper adjustment:

adjust slack adjusters.

Spider bushing or cam bracket bushing binding:

lubricate or

replace bushing.

Improper lubrication:

lubricate per

Figure 4-1.

Worn brake shoe bushing:

replace bushing.

Brake drum distortion:

replace drum.

Broken brake chamber spring:

replace spring.

Brake chamber pushrod binding:

re-align brake chamber

bracket.

Air brake line loose or broken:

tighten or repair.

UNEVEN BRAKES

See “SINGLE BRAKE DRAGGING OR LOCKED”

Restriction in hose:

locate restriction and remove.

Worn brake linings:

reline brakes.

Grease on linings:

reline brakes.

Broken slack adjuster:

replace slack adjuster.

Leaking brake chamber diaphragm:

replace diaphragm.

BRAKES APPLY TOO SLOWLY

Brakes need adjusting or lubrication:

adjust or lubricate as

needed.

Low air pressure in brake system (below 105 PSI):

check

tractor air system.

Restricted tubing or hose:

locate restriction and remove.

Defective relay valve:

clean or replace.

Call Factory or see qualified Trailer/Brake Technician

BRAKES RELEASE TOO SLOWLY

Brakes need adjusting or lubrication:

adjust or lubricate as

needed.

Brake rigging binding:

align brakes or replace bent parts.

Exhaust port of relay valve restricted or plugged:

clean

valve.

Tractor pressure too low:

Adjust to provide 105 psi min.

5-4

Содержание 600A Series

Страница 1: ...MODEL 600A SERIES SEMITRAILER OPERATOR S MANUAL 1900 North Street Marysville KS 66508 785 562 5381 F 266 798 7 98...

Страница 2: ...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 LANDOLL repair parts are warranted for n...

Страница 3: ...MODEL 600A SERIES SEMITRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO i...

Страница 4: ...olved 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 ar...

Страница 5: ...WORK LIGHT OPTIONAL 3 17 3 16 WINCH CONTROLS 3 17 3 17 DOCK LEVELER CONTROL OPERATION OPTIONAL 3 19 3 18 HYDRAULIC POWER SUPPLY ENGINE OPERATION OPTIONAL 3 22 3 19 AIR RIDE OPERATION 3 23 3 20 BULKHEA...

Страница 6: ...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 INDICAT...

Страница 7: ...AVE 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 diagnos...

Страница 8: ......

Страница 9: ...00 PSI OPERATING FLOW 17 GPM ELECTRICAL HOOKUP 7 WAY CONNECTOR AIR HOOK UP GLAD HANDS SPECIFIC BOLT TORQUES AIR RIDE SUSPENSION EQUALIZER BEAM PIVOT AND ADAPTER BOLTS 800 FT LBS SHOCK ABSORBER MOUNTIN...

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: ...er gency line drops below 50 psi This may be done within the truck using the trailer parking emergency valve or by disconnecting the emergency glad hands 3 1 3 Air Brake System The air brake system of...

Страница 14: ...3 2 Figure 3 1 Front Trailer Terminology Figure 3 2 Rear Trailer Terminology...

Страница 15: ...semitrailer hydraulic power engine Use the TRAILER TILT lever See Section 3 9 or hydraulic landing gear See Section 3 5 1 c to raise or lower the kingpin plate sufficiently to set proper coupling heig...

Страница 16: ...coupling failure repair before continuing and repeat Section 3 3 3 and 3 3 4 3 3 5 Check that the towing vehicle couples securely to the semitrailer before setting tow ing vehicle and semitrailer park...

Страница 17: ...ine control panel See Figure 3 10 Secure each leg with a pin in fully retracted position 3 5 2 The LANDING GEAR lever is located on the left side of the Engine Control Panel It has three positions RET...

Страница 18: ...3 6 Figure 3 4 Hydraulic Controls...

Страница 19: ...The hinged in the middle configuration of the tractor and semi trailer load and weight effect performance Turn ing passing acceleration braking stopping and backup require special considerations When...

Страница 20: ...S BEFORE MOVING FAILURE TO CHECK CAN LEAD TO SERIOUS PERSONAL IN JURY OR DEATH TO OTHERS OR DAMAGE TO PROPERTY 3 6 5 Backing should be done with care Tail overhang semitrailer length and allowable spa...

Страница 21: ...trailer is on the landing gear Secure each leg by inserting a pin 3 8 3 Disconnect the emergency and service air lines and attach them to the tractor glad hand holders If present install dummy glad h...

Страница 22: ...RM EXTENSION SET UP OPTIONAL See Figure 3 5 3 11 1 Unlatch and fold out swing out outrig gers 3 11 2 Unlatch pull out extension by pulling spring loaded latch pin Slide extension out until it latches...

Страница 23: ...O NOT SECURE LOAD TO OVER WIDTHS OR UNDERCARRIAGE SE CURE LOAD FRAME TO MOUNTED D RINGS OR GOTCHAS LOCATED IN THE APPROACH PLATE AND FRAME BEAM FLANGES FAILURE TO DO SO MAY CAUSE SERIOUS INJURY OR DEA...

Страница 24: ...13 3 Start operation of hydraulic power sys tem If the hydraulic engine package is in stalled start and warm up engine following engine operating instructions in Section 3 18 Read engine operator s m...

Страница 25: ...E THE COMBINED WEIGHT OF THE SEMITRAILER AND CARGO MUST NOT EXCEED THE GROSS VEHICLE WEIGHT RATING GVWR OF THE TRAILER WARNING THE CENTER OF GRAVITY OF THE LOAD MUST BE IN FRONT OF THE CENTER OF THE U...

Страница 26: ...3 14 Figure 3 6 Steps for Loading and Unloading...

Страница 27: ...n Section 3 18 3 14 4 Move load as far forward as is practical on the trailer and secure with appropriate load tiedowns 3 14 5 Using the AXLE CONTROL lever See Section 3 10 move undercarriage forward...

Страница 28: ...rom movement while semitrailer is tilted to low load angle before tilting the semitrailer 3 14 11 Before returning the semitrailer to transport position insure that there is suffi cient distance betwe...

Страница 29: ...OPERTY DAMAGE INJURY OR DEATH CAN RESULT 3 FAILURE TO LEAVE AT LEAST FIVE WINCH CABLE WRAPS ON THE WINCH CABLE SPOOL COULD ALLOW THE CABLE TO COME OFF THE SPOOL RESULTING IN SERIOUS PERSONAL INJURY OR...

Страница 30: ...2 000 lb WINCH CLUTCH HANDLE has two positions See Figure 3 7 DISENGAGE When the handle is placed is this po sition the winch is disengaged This allows the spool to free wheel and the winch is not aff...

Страница 31: ...To release push lockring upward Free spool tension is applied by adjustable spring load on the cable Free spool tension can be adjusted if desired for more or less free spool tension e The 30 000 lb...

Страница 32: ...3 20 Figure 3 9 Dock Leveler Operation...

Страница 33: ...hen either control is in this po sition there is no effect on either cyl inder OUT When the control for either cylinder is pulled out away from the center of the semitrailer the corresponding dock lev...

Страница 34: ...HE HYDRAULIC FLUID LEVEL IS LOW DURING OPERATION THE SEMI TRAILER MAY NOT OPERATE COR RECTLY RESULTING IN DAMAGE TO THE SEMITRAILER 3 18 2 The ENGINE IGNITION SWITCH is lo cated below the hydraulic co...

Страница 35: ...AND A ROUGH ENGINE INDICATE OVERCHOKING 3 18 8 To adjust the speed turn the throttle control in or out as needed until the engine runs smoothly at a speed capable of with standing use of the hydrauli...

Страница 36: ...CAN CAUSE EXCESSIVE TIRE WEAR 3 19 4 Different tractor fifth wheel heights may affect proper operation of the triple axle sus pension air system In the event front and rear axle suspension air bags ar...

Страница 37: ...the WINCH HYDRAULIC See Sec tion 3 16 1 TRAILER TILT See Section 3 9 AXLE CONTROL See Section 3 10 or WINCH TENSIONER See Section 3 16 2 3 21 5 The triple function wired remote oper ates the winch in...

Страница 38: ...3 26 Figure 3 13 Rear Impact Guard and Antilock Brake System...

Страница 39: ...e standards FMVSS No 121 anti lock brake system requires all trailers manufactured af ter March 1 1998 with air brake systems to have ABS Each trailer including a trailer converter dolly shall be equi...

Страница 40: ...lead to problems found in bearings electrical systems and air systems Moisture attracted by warm parts can con dense collect and freeze to immobilize equipment The truck semitrailer operator must alwa...

Страница 41: ...damage or signs of pending failure Damaged or broken parts 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 tr...

Страница 42: ...4 2 Figure 4 1 Lubrication Points...

Страница 43: ...e degreasing solution off with cold water c Inspect semitrailer for cause of any reported troubles WARNING PAINT THINNER AND OTHER SOL VENTS ARE FLAMMABLE AND TOXIC TO EYES SKIN AND RESPIRATORY TRACT...

Страница 44: ...IDE SUSPENSION I T I T UNDERCARRIAGE ROLLERS L 3 c HYDRAULIC OIL I I R 1 c HYDRAULIC FILTER R R HOSES I I R WINCH GEAR CASE I I 2 c I Inspect R Replace T Tighten Adjust Torque L Lubricate C Clean NOTE...

Страница 45: ...NT X CHANGE OIL X CHECK SPARK PLUG CONDITION AND GAP X REMOVE COLLONG SHROUDS AND CLEAN COOLING AREAS X CHANGE OIL FILTER X NOTE PERFORM THESE MAINTENANCE PROCEDURES MORE FREQUANTLY UNDER EXTREMELY DU...

Страница 46: ...nspect seals seal wiping surfaces bearing caps and bearing cones for wear pitting chipping or other damage 4 3 GOOSENECK FRAME AND DECK 4 3 1 Repairing Structural Defects If any structural defect is f...

Страница 47: ...ss regulator must provide 2 5 to 3 0 gallon per minute to dock leveler valve d Hydraulic system pressure relief valves should be set at 2500 psi 4 4 2 Hydraulic Engine Package a Check the hydraulic oi...

Страница 48: ...4 8 Figure 4 3 600A Wiring Diagram...

Страница 49: ...4 9 Figure 4 4 Remote Wiring Diagram...

Страница 50: ...ION RIGHT RED DS19 IDENTIFICATION LEFT RED DS20 IDENTIFICATION CENTER RED DS21 CONTROL PANEL LH DS22 CONTROL PANEL RH DS23 FIRST WINCH LIGHT DS24 FIRST WINCH LIGHT DS25 ABS MALFUNCTION INDICATOR YELLO...

Страница 51: ...ult in exces sive wear on the spring suspension Check the shocks for excessive wear b Replacing the equalizer bushings and the torque arm bushings on the spring suspen sion is a complex operation and...

Страница 52: ...4 12 Figure 4 5 Tandem Axle Air Ride Suspension System...

Страница 53: ...ol arm to an up position j Remove the block and reconnect the link age This allows the Automatic Height Control Valve to resume normal operation k Check the air ride height If necessary go through the...

Страница 54: ...4 14 Figure 4 7 Triple Axle Air Ride Suspension System...

Страница 55: ...ment DANGER TO PREVENT A LIFE THREATENING 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...

Страница 56: ...ing pin 4 Measure D from the plumb bob to the center point on one end of the axle Record this measurement See Figure 4 9 5 Measure D1 to the other end of the axle in the same manner as in Step 4 Recor...

Страница 57: ...4 17 Figure 4 9 Checking Axle Alignment DRIVER SIDE CURBSIDE Figure 4 10 Examples of Camber...

Страница 58: ...THE SEMITRAILER IS NECESSARY CHOCK ALL WHEELS OF THE TRAILER AND TRACTOR WHEN JACKING IS NECESSARY CHOCK ALL WHEELS AND SUPPORT THE SEMI TRAILER UNDERCARRIAGE WITH JACK STANDS SUFFICIENT TO WITH STAN...

Страница 59: ...store it in its brackets 7 Snap the dust cap back in place on the chamber b Removal 1 Chock all tractor and trailer wheels and drain the air system 2 Mark the brake chamber for proper air line port al...

Страница 60: ...e 4 12 Lubricate brake assembly per Figure 4 1 Lubrication Points and Table 4 2 Mainte nance Schedule WARNING DO NOT ALLOW GREASE TO CON TACT BRAKE LININGS AS THIS COULD RESULT IN REDUCED BRAK ING PER...

Страница 61: ...4 21 Figure 4 13 Axle and Brake Assembly...

Страница 62: ...tension 7 Swing the lower shoe back approximately 180o to relieve the tension on the shoe keeper springs Remove the springs and slip the shoes off the anchor pins 8 Remove camshaft lock ring spacer w...

Страница 63: ...nt and push rod travel will be reduced until the desired clearance is achieved 5 The push rod stroke should be 1 1 2 to 2 with an 100 to 105 PSI service brake application 6 Measure the movement of the...

Страница 64: ...nd release the brakes several times to check for adequate clearance to all adjacent components 6 Measure the distance from air chamber to 1 2 pin Apply brakes with 100 105 psi air pressure and remeasu...

Страница 65: ...and drum remove the brake drum See Figure 4 15 It may be necessary to release the slack adjuster For inboard mount See Figure 4 16 remove drum after hub b Remove hub cap and catch lubricant in a pan c...

Страница 66: ...4 26 Figure 4 15 Outboard Mount Hub and Drum Figure 4 16 Inboard Mount Hub and Drum...

Страница 67: ...nstalled to avoid damag ing the seal o Install the outer bearing cone and inner spindle nut tightening the nut until it is snug against the outer bearing cone Remove the hub support allowing the hub t...

Страница 68: ...eel 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 rot...

Страница 69: ...from be tween duals 4 11 2 Tire Matching Both tires on the same spindle must be the same size in order to properly distribute the load and braking forces between them The tire must be mounted on a rim...

Страница 70: ...ance between the disc wheel taper and brake drum c For ball seat mounted wheels only install the inner capnuts on the studs and tighten to fifty foot pounds using the sequence illus trated in Figure...

Страница 71: ...500 foot pounds for ball seat and 500 to 550 foot pounds for pilot mount using the same se quence h Torque will drop after the first 50 to 100 miles of operation Check the capnuts for proper torque af...

Страница 72: ...ulic lines and fittings for leaks and worn spots Replace any defective lines and fittings e Check for loose bolts and nuts 4 13 2 Disassembly Assembly Procedure When disassembling and reassembling the...

Страница 73: ...4 33 Figure 4 22 Dock Leveler Leg Assembly...

Страница 74: ...tting and cycle legs fully several times to bleed air from system Check oil level 4 14 CRANK LANDING GEAR 4 14 1 It may be necessary to periodically lu bricate to maintain satisfactory performance a L...

Страница 75: ...4 35 Figure 4 23 Crank Landing Gear Assembly...

Страница 76: ...pinion gear with hole in shaft insert groove pin so that shafts turn freely and the two gears are engaged prop erly i Check for proper shimming Proper shim ming achieved when the shafts turn freely a...

Страница 77: ...place 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 sem...

Страница 78: ...le alignment Outerload loads are above rated tire capacity DO NOT load above rated tire capacity SHOULDER TREAD WEAR ONE SHOULDER Axle damage straighten or replace axle Axles not parallel check axle a...

Страница 79: ...ITRAILER TRACKING PROB LEMS TRACKS TO ONE SIDE Axle alignment re align axle TRACKS TO EITHER SIDE Broken or bent springs or equalizers replace defective parts Axles not parallel realign axles AIR RIDE...

Страница 80: ...Brake drum distortion replace drum Broken brake chamber spring replace spring Brake chamber pushrod binding re align brake chamber bracket Air brake line loose or broken tighten or repair UNEVEN BRAK...

Страница 81: ...KES GRABBING Grease on brake linings reline brakes Brake rigging binding align brakes or replace bent parts Defective brake valve on tractor repair or replace valve Defective relay emergency valve rep...

Страница 82: ...OR FADING Overheated brake drums check for defective or misadjusted brake linings distorted or over machined drums Also check for operating conditions or loads that create severe or excessive brake ap...

Страница 83: ...Check for cause of wear Leakage check all components and relief valve for proper set tings Excessive load check unit specifications for load limits Slipping or broken pump drive repair or replace coup...

Страница 84: ...replace clean or add oil as needed Water in oil replace oil Air leaks check suction line and component seals for suction leaks Replace defective parts NOISY PUMP Low incorrect foamy oil replace clean...

Страница 85: ...harness connection to tractor No air supply to solenoid Check hydraulics connections 5 8 DOCK LEVELER HYDRAULICS For maintenance procedures See Section 4 13 SYMPTOM PROBLEM REMEDY FAILS TO LIFT SEMITR...

Страница 86: ...NOTES 5 10...

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