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3-20 REAR IM PACT GUARD SYS TEM

Ve 

hi 

cle stan 

dards FMVSS No. 224, Rear Im 

-

pact  Pro tec tion,  re quires  all  trail ers  man u fac tured
af 

ter Jan 

ary 26, 1998 shall be equipped with a

rear im pact guard cer ti fied by the man u fac turer as
meet 

ing FMVSS No. 223, Rear Im 

pact Guards.

The guard, or bumper, 

(See Fig ure 3-8)

 meets the 

fol low ing  requirements:

·

a minimum of 4 inches vertical height

·

extend laterally to within 4 inches of the
sides of the trailer

·

a ground clearance of no more than 22
inches

·

placed no more than 12 inches from the rear 
of the trailer.

·

capable to deflect 5 inches.

The  stan dard  also  spec i fies  min i mum  force

and en ergy ab sorp tion re quire ments for the guard.
A DOT de cal cer ti fies that the guard meets FMVSS 
No. 223 and 224 stan 

dards. The de 

cal is placed

and must re main at all times

 on the for ward fac -

ing sur face of the guard, 12 inches in board of the
curb side and of the guard.

 See Fig ure 3-8 

for lo -

ca tion of de cals.

Re 

place any com 

po 

nent that does not al 

low

the above min 

mum re 

quire 

ments to be met. Any

hard ware that holds the rear im pact guard and be -
comes dam 

aged or be 

comes loose shall be re 

-

moved and re placed. The 3/4" grade 8 screws that 
hold the bumper en ergy pack shall be loctited and
torqued to 280 ft.-lbs.

DAN GER

AL WAYS CHECK THE CON DI TION OF
THE REAR IM PACT GUARD SYS TEM.
IF GUARD SYS TEM HAS BEEN DAM -
AGED, IT MUST BE RE PLACED. FAIL -
URE TO MAIN 

TAIN GUARD SYS 

TEM

MAY RE SULT IN IN JURY OR DEATH TO 
OTHERS.

3-21 ANTI-LOCK BRAKE SYS TEM (ABS)

Ve 

hi 

cle stan 

dards FMVSS No. 121, anti-lock

brake sys 

tem re 

quires all trail 

ers with air brake

sys 

tems to have ABS af 

ter March 1, 1998. Each

trailer (in 

clud 

ing a trailer con 

verter dolly) shall be

equipped with an anti-lock brake sys tem that con -
trols the wheels of at least one axle of the trailer.
Wheels on other ax 

les of the trailer may be in 

di 

-

rectly con trolled by the anti-lock brake system.

NHTSA Docket 92-29; no 

tice 11 pub 

lished

Sep 

tem 

ber 23, 1996 spec 

fies the ABS warn 

ing

light be mounted near the rear of the left side of
the trailer 

(See Fig ure 3-8)

.

·

Decal or lens marking with ABS to identify
the lamp.

·

The lamp must illuminate one time whenever 
power is supplied to the ABS. At any time
the light remains on when power is supplied 
there is a malfunction to the system.

The ABS used on the semitrailer is a Rockwell

Wabco unit. Sin gle axle trail ers use a two sen sor,
one  mod u la tor  sys tem.  Tan dem  and  tri ple  axle
semitrailers use a four sen sor, two mod u la tor sys -
tem. Sen sors are lo cated at each hub of the front
and rear ax 

les, and each mod 

la 

tor con 

trols one

side of the trailer.

The ABS is con stant pow ered by the aux il iary

(blue) cir 

cuit, cen 

ter pin on the semitrailer seven

way elec 

tri 

cal con 

nec 

tor. This cir 

cuit must be hot

when 

ever the trac 

tor keyswitch is on. This cir 

cuit

must also not be used to power any ad 

di 

tional

elec 

tri 

cal de 

vices while the semitrailer is mov 

ing

for 

ward. How 

ever, ad 

di 

tional de 

vices such as re 

-

mote con 

trols may be pow 

ered from the aux 

il 

iary

cir 

cuit while the semitrailer is sta 

tion 

ary. Back up

power to the ABS is sup 

plied through the stop

lamp (red) cir cuit, No. 4 pin on the seven way con -
nec 

tor, and ground is sup 

plied by the white wire,

No. 1 pin.

3-25

Summary of Contents for 318C

Page 1: ...MODELS 318C BOEING TRAILER OPERATOR S MANUAL Landoll Trailer Operations 4G75021 P0400 1900 North Street Marysville KS 66508 785 562 5381 F 414 0106 01 06...

Page 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...

Page 3: ...MODELS 318C BOEING TRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO i...

Page 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...

Page 5: ...SEMITRAILER 3 15 3 15 GROUND LOADING PROCEDURE 3 16 3 16 UNLOADING PROCEDURE TO GROUND 3 18 3 17 LOADING PROCEDURE FROM RAISED PLATFORM 3 21 3 18 UNLOADING PROCEDURE TO RAISED PLATFORM 3 22 3 19 BULKH...

Page 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...

Page 7: ...HAVE 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 diagn...

Page 8: ......

Page 9: ...OW 17 GPM ELECTRICAL HOOKUP 7 WAY CONNECTOR AIR HOOK UP COLOR CODED GLAD HANDS SPECIFIC BOLT TORQUES AIR RIDE SUSPENSION EQUALIZER BEAM PIVOT AND ADAPTER BOLTS DESIGNATED W NEWAY ON BOLT HEAD 800 FT L...

Page 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...

Page 11: ...0 134 146 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 9...

Page 12: ......

Page 13: ...ne within the truck using the trailer parking emergency valve or be disconnecting the emergency gladhand 3 1 3 Air Brake System The air brake system of the semitrailer is oper ated from the towing veh...

Page 14: ...LY LOWER DECK APPROACH PLATE REAR BUMPER REAR IMPACT GUARD AND ENERGY PAK REAR SIDE MARKER ABS LIGHT REAR LIFT DOCK LEG AND FOOT PAD SLIDING UNDERCARRIAGE OUTER BEAM LH TURN MARKER PARK STAND WELDMENT...

Page 15: ...he neutral position DOWN In this position the curbside dock leg lowers the trailer on the curb side of the trailer 3 2 3 DOCK LEG STREETSIDE CONTROL LEVER The DOCK LEG STREETSIDE CONTROL LE VER See Fi...

Page 16: ...L THIS IS FOR REFERENCE ONLY IT ONLY DESCRIBES HOW THE LEVERS OPERATE THIS INFORMATION IS NOT ON THE TRAILER FRONT SIDE MARKER OFF RUN START AIR RAISE AND AIR DUMP SWITCHES FIGURE 3 2 318C BOEING TRAI...

Page 17: ...trol valves Push in on the air control valve to engage the winch gears Pull out on the air control valve to disengage the winch gears This allows the winch cable to be pulled out without operating the...

Page 18: ...PIVOT TUBE PIN HD DOCK LEVELER HYD CYLINDER 1 8 X 3 1 4 HEX HEAD CAP SCREW 1 8 X 8 HEX HEAD CAP SCREW PIVOT TUBE WELDMENT 1 8 HD HEX NUT LOAD UNLOAD POSITION 318c boeing dock leg FOOTPAD WELDMENT PIN...

Page 19: ...r lifts are used to lift the rear of the trailer up to six feet off the ground Some addi tional lift can be obtained by pulling the undercar riage forward out of the pockets in the frame Do not pull t...

Page 20: ...air dump switch to ON position to deplete air from suspen sion air bags before lifting trailer off the ground 3 4 11 Use the DOCK LEG CURBSIDE and DOCK LEG STREETSIDE LEVERS and the 5th WHEEL TILT LE...

Page 21: ...ions OFF In this position the power package engine does not run The key can only be inserted or removed from this position RUN In this position the engine runs with out using the starter START In this...

Page 22: ...to speed up again or the engine will die 3 6 10 Before shutting it off allow the engine to cool down by running at a slow idle for thirty seconds Then turn the ignition switch to the off position 3 6...

Page 23: ...e and emergency air hoses of the towing vehicle to their respec tive gladhand on the front of the semitrailer red emergency line to the gladhand with the EMERGENCY tag and the blue service line to the...

Page 24: ...f coupling failure repair before continuing and repeat Section 3 9 3 and 3 9 4 3 9 5 Check that the towing vehicle couples securely to the semitrailer before setting tow ing vehicle and semitrailer pa...

Page 25: ...t the traveling undercar riage is completely slid back to transport po sition Hold AXLE CONTROL LEVER See Section 3 2 4 in the transport position until hydraulic system works against the fully ex tend...

Page 26: ...e Anti Lock Brake System ABS warning lamp mounted at left rear side of the semitrailer should come on when power is supplied to the ABS by turning the tractor keyswitch on The warning lamp should go o...

Page 27: ...lower the park stands until they just touch the ground 3 14 3 Disconnect the emergency and service air lines and attach them to the tractor glad hand holders 3 14 4 Disconnect the 7 pole cable and hy...

Page 28: ...ckage is in stalled start and warm up engine following engine operating instructions in Section 3 6 Read engine operator s manual 3 15 4 Move undercarriage forward out of pockets five to eight feet us...

Page 29: ...downs 3 15 10 To adjust trailer to a transport position alternate between tilting the front of the bed up toward full tilt position and moving the un dercarriage toward the rear until the center of g...

Page 30: ...e way forward The maximum load an gle is only intended if required for unloading non powered products and to transfer load to tractor Transfer load to tractor by raising deck and moving axles toward r...

Page 31: ...o the rear that the approach plate is lifted off the ground when center of gravity of semitrailer and load is behind cen ter of undercarriage Never allow wheels to leave the ground while the trailer i...

Page 32: ...3 20 FIGURE 3 6 STEPS FOR LOADING AND UNLOADING...

Page 33: ...7 7 Using the AXLE CONTROL LEVER move the trailer to within an inch of airplane 3 17 8 Place aluminum stabilizer support stands directly under each hydraulic parking stand Lower hydraulic parking stan...

Page 34: ...TH WHEEL TILT LEVER See Section 3 2 1 and DOCK LEG LE VERS raise the trailer up evenly until the trailer deck is even with the airplane deck 3 18 7 Using the AXLE CONTROL LEVER move the trailer to wit...

Page 35: ...lic power system If hydraulic engine package is installed shut down the auxiliary hydraulic power engine following operating instructions in Section 3 6 Assure maintenance schedule is up to date and s...

Page 36: ...3 24 FIGURE 3 8 REAR IMPACT GUARD AND ANTILOCK BRAKE SYSTEM...

Page 37: ...rds FMVSS No 121 anti lock brake system requires all trailers with air brake systems to have ABS after March 1 1998 Each trailer including a trailer converter dolly shall be equipped with an anti lock...

Page 38: ...ay 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 a...

Page 39: ...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...

Page 40: ...WINCH CABLE 4 CABLE ROLLER GUIDES 3 HUB OIL 5 BOTH SIDES UNDERCARRIAGE 3 4 CAM FOLLOWERS SLACK ADJUSTERS CAM SHAFT BUSHING 3 NINE PLACES PIVOT TUBE 3 KINGPIN AND PLATE 3 ENGINE CRANKCASE 6 318c boein...

Page 41: ...ve grease and oil from all parts of the trailer Rinse degreasing solution off with cold water c Inspect semitrailer for cause of any reported troubles WARNING PAINT THINNER AND OTHER SOL VENTS ARE FLA...

Page 42: ...ALIGNMENT I I UNDERCARRIAGE ROLLERS L 3 c HYDRAULIC OIL I I R 1 c HYDRAULIC FILTER R R HOSES Inspect Replace as needed I I I R WINCH GEAR CASE I I 2 c I Inspect R Replace T Tighten Adjust Torque L Lub...

Page 43: ...OLENOID SHIFT STARTER X4 LUBRICATE CRANKSHAFT SPLINE X4 NOTES 1 Check for fuel leaks With engine running visually and audibly check exhaust system for leaks 2 Perform more often when running under sev...

Page 44: ...the fault must be corrected before further use of the vehicle To continue usage could endanger the trailer its load personnel traffic and properties If any cracks or breaks are found contact the Land...

Page 45: ...RN DS10 MRKR MID RIGHT DS12 MRKR RIGHT REAR DS14 RIGHT TURN TAIL DS22 RIGHT STROBE DS16 RIGHT STOP TAIL DS18 ID RIGHT DS20 ID CNTR DS19 ID LEFT DS17 LICENSE LAMP DS13 LEFT TURN TAIL DS21 LEFT STROBE D...

Page 46: ...WN ORG 15 U C REAR GRN 14 U C FORWARD ORG 13 LH REAR LIFT UP RED BLK 12 LH REAR LIFT DOWN WHT BLK 11 WINCH OUT WHT BLK 10 WINCH IN RED BLK 9 RH REAR LIFT UP BLK 8 RH REAR LIFT DOWN RED 7 FRONT PARK ST...

Page 47: ...GHT RED DS19 IDENTIFICATION LEFT RED DS20 IDENTIFICATION CENTER RED DS21 STROBE LH DS22 STROBE RH DS23 BULKHEAD LH DS24 BULKHEAD RH DS25 ABS MALFUNCTION INDICATOR YELLOW TABLE 4 4 318C BOEING WIRING P...

Page 48: ...nd re pair System grounds must be grounded to bare metal surfaces Paint grease wax and other coatings act as insulators Replace ment lamps must be equivalent to the factory installed lamp 4 6 SUSPENSI...

Page 49: ...ed h Remove the locating pin i The block can now be removed by using the height control valve as an improvised jack by disconnecting the control arm at the lower bracket and pushing the control arm to...

Page 50: ...eading of 16 feet or less per mile is considered satisfactory If a scuff gauge is not readily avail able or edge wear on one side of a tire is occur ring signifying positive or negative camber align m...

Page 51: ...shorter than D1 to insure proper trailer tracking on slope of road 7 The suspensions must be in good repair with no binding or other restrictions before aligning All defective parts of the suspension...

Page 52: ...4 14 FIGURE 4 6 CHECKING AXLE ALIGNMENT FIGURE 4 7 EXAMPLES OF CAMBER...

Page 53: ...daily A drain cock on the bottom of each air reservoir vents the tank to drain collected water and oil If held open air pressure in the tanks is relieved causing the emergency or parking brakes to be...

Page 54: ...made during disassembly then retighten the clamp bands 3 Position the breather hole in the downward facing position by loosening the clamp bands on the spring brake chamber and rotating the chamber ho...

Page 55: ...g the semitrailer 4 8 4 Tandem Relay Valve Maintenance Every 3600 operating hours 100 000 miles or yearly the Relay Emergency Valve should be dis assembled cleaned and lubricated by a trained technici...

Page 56: ...4 18 FIGURE 4 10 AXLE AND BRAKE ASSEMBLY...

Page 57: ...servicing as necessary c Reassembly for 12 1 4 X 7 1 2 Brakes See Figure 4 10 1 Install new camshaft bushing and seals into the spider IMPORTANT WHEN INSTALLING CAMSHAFT SEALS THE SEAL ON THE SLACK A...

Page 58: ...ing the brake release observe rotation of the adjustment hex attach a wrench on the hex to make this movement easier to see This rotation indicates that an excessive clearance condition has been deter...

Page 59: ...il 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 for alignment If the guide pointer is below the cle...

Page 60: ...XIMUM DIAMETER WILL RESULT IN A WEAKER BRAKE DRUM AND MAY RE SULT IN AN ACCIDENT 4 9 3 Replacement of the brake drum is re quired if any of the following conditions exist a The brake drum is cracked b...

Page 61: ...Wheel Bearing Lubrication and Ad justment m Install the hub cap with the proper gasket Tighten the cap screws of the hub cap to 15 to 20 ft lbs of torque n Remove the filler plug and fill the hub cav...

Page 62: ...ng wheel 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 whil...

Page 63: ...ects 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...

Page 64: ...4 26 FIGURE 4 16 MOUNTING TIRES AND WHEELS FIGURE 4 17 STUD TIGHTENING SEQUENCE...

Page 65: ...any length of time it is advisable to oil the winch cable to prevent untimely rusting and deterioration of the cable See Table 4 1 for lubrication specifications Inspect the winch mechanism thoroughl...

Page 66: ...c Fully extend legs Clean extended legs d Check all hydraulic lines and fittings for leaks and worn spots Replace any defective lines and fittings e Check for loose bolts and nuts 4 28 m134890 LOCK N...

Page 67: ...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 semitrailer L...

Page 68: ...eck axle 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...

Page 69: ...ust linkage Height Control Valve filter plugged clean or replace valve Pressure Protection Valve filter plugged clean or replace valve System air pressure low 65 PSI minimum required trou bleshoot air...

Page 70: ...OO 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 re...

Page 71: ...chamber diaphragm replace diaphragm Call Factory or see qualified Trailer Brake Technician Leaking tubing or hose replace defective part EXCESSIVE LEAKAGE WITH EMERGENCY SYSTEM ONLY APPLIED NO LEAKAG...

Page 72: ...ace drums Out of balance drums balance drums 5 5 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...

Page 73: ...pair or replace faulty component s as necessary Restrictions in lines or filter clean and or replace filter or lines Improper adjustments check orifices relief valves etc Adjust as necessary Oil leaks...

Page 74: ...CYLINDERS MOVE WITH CONTROL VALVE IN NEUTRAL POSITION Leaking cylinder seals or fittings Replace worn seals or fit tings Control valve not centering when released Check linkage for binding and repair...

Page 75: ...tractor No air supply to solenoid Check air connections 5 8 REAR LIFT DOCK LEG HYDRAULICS SYMPTOM PROBLEM REMEDY FAILS TO LIFT SEMITRAILER Insufficient hydraulic supply pressure adjust relief valve fo...

Page 76: ...5 10 NOTES...

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