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Landoll 440B Series Operator'S Manual Download Page 49

MAINTENANCE AND LUBRICATION

4-11

TABLE OF CONTENTS

Figure 4-6: Tandem Axle Air Ride Suspension System

Figure 4-7: Air Ride Height Adjustment

EXHAUST PORT

OUT: TO 
AIR BAGS

IN: FROM
AIR SUPPLY

TANK LOCATED
ON BUMPER

USED ON TRIPLE

 AXLE MODELS ONLY

1/4” ADJUSTING
LOCK NUT

LOCATING PIN

ADJUSTING BLOCK

SLOT

INTAKE

EXHAUST

CONTROL
ARM

“OUT” TO AIR SPRING

“IN” AIR SUPPLY

Summary of Contents for 440B Series

Page 1: ... Model 440B 455B Series Semitrailer Operator s Manual LANDOLL CORPORATION 1900 North Street Marysville Kansas 66508 785 562 5381 800 428 5655 WWW LANDOLL COM F 1013 1118 ...

Page 2: ...1 2 F 1013 1118 TABLE OF CONTENTS ...

Page 3: ... 3 4 Tractor and Semitrailer Check Out 3 5 Towing the Semitrailer 3 7 Parking the Trailer 3 7 Uncoupling Towing Vehicle from Semitrailer 3 8 Trailer Tilt Knob 3 9 Axle Control Knob 3 9 Swingout Outrigger Platform Extension Set Up Option 3 9 Pull Out Extensions 3 11 Loading Procedure 3 12 Securing the Load 3 14 Unloading Procedure 3 15 Panel Light Standard 3 16 Work Light Option 3 16 Winch Controls...

Page 4: ...t 4 15 Axle Alignment 4 17 Manual Alignment Procedure 4 17 Air Ride Suspension Axles 4 17 Brake System Maintenance 4 18 General 4 18 Spring Air Brake Chambers 4 18 Caging the Power Spring 4 18 Removal 4 19 Installation 4 19 Emergency Relay Valve Maintenance 4 19 Brake Assembly Maintenance 4 19 Brake Adjustment 4 20 Disassembly for 12 1 4 X 7 1 2 Brakes 4 20 Reassembly for 12 1 4 X 7 1 2 Brakes 4 2...

Page 5: ...4 30 Disassembly Assembly Procedure 4 30 Leg 4 30 Stabilizer Leg Counter Balance Valve 4 32 Crank Landing Gear 4 33 Repair Instructions 4 33 5 Troubleshooting Guide Electrical 5 1 Tires Wheels Suspension 5 2 Brakes 5 4 Brake Drums 5 6 Hydraulic System 5 7 Hydraulic Power Supply Engine Package 5 8 Remote Control 5 9 Dock Leveler Hydraulics 5 10 ...

Page 6: ...iv F 1013 1118 TABLE OF CONTENTS ...

Page 7: ... and 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 OR FAX 888 527 3909 CHAPTER 5 Is a troubleshooting guide to aid in diagnosing and solving problems with the trailer PARTS MANUAL Is a separate manual showing the various assemblies subassemblies a...

Page 8: ...mproperly 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 in this manual relate to the operation of the Model 440B 455B semitrailer Danger means a life threatening situation exists Death can occur if safety measures or instructions on this label are...

Page 9: ...TRAVEL MODEL 440B 41 264 45 226 48 252 50 CA 264 53 276 MODEL 455B 48 50 CA 226 50 53 55 HD 252 GROUND LOAD ANGLE LOW LOAD ANGLE 6 5 MAXIMUM TILT ANGLE 15 DOCK LEVELER CAPACITY MODEL 440B OR 455B 1 Pair 62 000 LB MODEL 455B ONLY 2 Pair 124 000 LB HYDRAULIC HOOKUP QUICK COUPLERS Flat Face 3 4 Body Size MAXIMUM OPERATING PRESSURE 2500 PSI OPERATING FLOW 20 GPM Recommended 50 GPM Max Flow control lim...

Page 10: ...S 4 AND 5 CAM FOLLOWERS ATTACHED TO UNDERCARRIAGE GREASED THREADS 250 FT LBS DRY THREADS 500 FT LBS SHOCK ABSORBER MOUNTING 150 FT LBS AIR SPRING MOUNTING 1 2 35 FT LBS 3 4 35 FT LBS WHEEL FASTENERS ALL MODELS OUTER SPINDLE NUTS 250 400 FT LBS PILOT WHEEL NUTS 450 500 FT LBS NOTE Capacity ratings are frame capacities only Actual load capacities may be restricted by factors such as gross axle weigh...

Page 11: ... 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 9 125 156 320 400 460 575 7 8 14 140 175 360 450 500 625 1 8 190 237 408 506 680 850 1 14 210 263 540 675 760 950 1 1 8 7 270 337 600 750 960 1200 1 1 8 12 300 375 660 825 1080 1350 1 1 4 7 380 475 840 1050...

Page 12: ...t be used 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 43 47 58 62 40 44 10 55 65 100 110 58 62 12 80 90 134 146 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 Gates Brand Fittings Dash Size ...

Page 13: ...tely function Anti Lock Brake System ABS The Anti Lock Brake System of the semitrailer is constant powered by the auxiliary blue circuit of the seven way electrical connector with backup power from the stop lamp red circuit and ground through the white wire It is necessary that the blue circuit is hot when the tractor key switch is on The blue circuit on the trailer may not be used to power any ad...

Page 14: ...STRUCTIONS TABLE OF CONTENTS Figure 3 1 Front Trailer Terminology Figure 3 2 Rear Trailer Terminology WINCH UPPER DECK LANDING GEAR CONTROL PLACARD LOWER DECK REMOTE RECEIVER SLIDING UNDERCARRIAGE DOCK LEVELER ABS LIGHT LOWER DECK ...

Page 15: ...n to correct height If you have the optional pin drop or hydraulic landing gear connect the tractor hydraulic lines or start the semitrailer hydraulic power engine Use the trailer tilt knob See Table 3 2 or hydraulic landing gear See Table 3 1 to raise or lower the kingpin plate sufficiently to set proper coupling height Drain all air and moisture from the towing vehicle air brake system following...

Page 16: ...kes engaged for remainder of hookup checkout procedures and parking Connecting Tractor Services to the Semitrailer 1 Connect the towing vehicle 7 pole electrical plug to the electrical receptacle on the front of the semitrailer See Figure 3 3 IMPORTANT The key on the plug and the keyway in the socket must be properly aligned before inserting the plug into the semitrailer socket CAUTION 2 If you ha...

Page 17: ...e function if present 6 Check tire inflation adjust as needed to the pressure listed on the semitrailer VIN plate located on the front of the semitrailer 7 Check tractor semitrailer rig for air leaks If air leakage is found repair the defect before transporting 8 Check the oil in each hub for proper level and freedom from contamination If hubs are contaminated with water dirt or some other foreign...

Page 18: ...3 6 F 1013 1118 OPERATING INSTRUCTIONS TABLE OF CONTENTS Figure 3 4 Hydraulic Controls TRAILER TILT LEVER WINCH CLUTCH AND TENSIONER CONTROL DOCK LEVELER CONTROL WINCH HYDRAULIC LEVER AXLE CONTROL LEVER ...

Page 19: ...rned off then on again CAUTION CAUTION 2 Monitor the air pressure gauge on the dash of the towing vehicle Pressure should not fall below 90 psi at any time 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 to allow the semitrailer wheels to clear any obstacle on the inside of the corner 4 To stop u...

Page 20: ... Extend legs until the hole in inner leg lines up with hole in outer leg Secure each leg by inserting a pin 3 Disconnect the emergency and service air lines and attach them to the tractor gladhand holders If present install dummy gladhands on trailer couplings 4 Disconnect the 7 pole cable and hydraulic lines from the semitrailer and store with the tractor 5 Pull the tractor fifth wheel plate latc...

Page 21: ...s 4 Plank joints must be centered on outriggers 5 To retract pull out extension reverse steps 1 thru 3 6 Remove only two bolts for each joint See Figure 3 6 Leave braces attached to boards for storage Always check behind and under the truck and semitrailer for persons or objects before moving Failure to check can lead to serious personal injury or death to others or damage to property TRAILER TILT...

Page 22: ... TABLE OF CONTENTS Figure 3 6 Outrigger Platform Extension 2X 129 13 32 CUT AT 30º ANGLE ON ONE END 2X 98 1 4 CUT AT 30º ANGLE ON ONE END 1 3 8 X 10 PLANKS REMOVE BOLTS 4X 113 CUT AT 30º ANGLE BOTH ENDS PULL OUT EXTENSION SWINGOUT OUTRIGGERS ...

Page 23: ...ions concerning flags on projecting loads 5 If required display oversize load signs Figure 3 7 Pull Out Extensions 1 Do not operate if any extension is not locked in place by spring loaded locking pin Inspect all extensions to insure each is locked securely in position by the spring loaded locking pin 2 Remove and securely store all wheel cover extensions which are not held down securely by the lo...

Page 24: ...y of the trailer and load is behind the center of the undercarriage In loading or unloading position the approach plate should be resting on the ground and the undercarriage fully forward CAUTION WARNING IMPORTANT Maximum angle 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 rearward until loa...

Page 25: ...OPERATING INSTRUCTIONS 3 13 TABLE OF CONTENTS Figure 3 8 Steps for Loading and Unloading ...

Page 26: ...oad slightly forward or rearward on the load bed to get correct weight distribution on kingpin and the trailer axles and resecure the load with the tiedowns and winch cable 14 Shut down hydraulic power system If hydraulic engine package is installed shut down the auxiliary hydraulic power engine following operating instructions in Hydraulic Power Supply Engine Operation Option on page 3 20 Assure ...

Page 27: ...TANT Maximum angle 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 rearward until load is forward of rear axle thus applying load to tractor 8 If load is non powered insure that the winch cable is firmly attached to the load and tension is on the cable Tilt trailer according to steps 5 through...

Page 28: ...l It illuminates the Control Panel Work Light Option The LIGHT SWITCH is on the control panel It controls the optional work lights mounted on the bulkhead or slope The work lights illuminate the upper and lower deck Winch Controls DANGER 1 The Winch Hydraulic knob is located on the driver s side of the upper deck See Figure 3 4 It is the third knob from the left and has three positions See Table 3...

Page 29: ... remove all air pressure 0 psi from the air fitting Free Spool Clutch Operation Braden 1 The Winch Clutch handle See Figure 3 9 and 3 10 is located on the right or curb side end of the 12K winch assembly and the left or streetside of the 20K winch assembly The function of the winch clutch handle is to engage or disengage the winch allowing it to respond to the Winch Hydraulic knob Figure 3 9 12 00...

Page 30: ...T Be sure to retract the dock levelers when finished Pull OUT on the dock leveler controls at the same time to retract the dock leveler legs and lower the semitrailer bed If the deck starts to become unlevel use one control knob to level the deck When using dock levelers the semitrailer must be kept level at all times Do not lower the parking stands Loads being placed on the semitrailer must be ke...

Page 31: ...OPERATING INSTRUCTIONS 3 19 TABLE OF CONTENTS Figure 3 11 Dock Leveler Operation DOCK LEVELER HYDRAULIC CONTROLS ARE LOCATED ON HYDRAULIC CONTROL PANEL AT FRONT OF TRAILER DOCK LEVELER DOCK LEVELER ...

Page 32: ... key to the START position The engine should crank and then start CAUTION 5 When the engine starts release the key 6 To adjust the speed turn the throttle control in or out as needed until the engine runs smoothly at a speed capable of withstanding use of the hydraulic controls The hydraulic controls should now be functional 7 Before shutting it off allow the engine to cool down by running at a sl...

Page 33: ... air system In the event front and rear axle suspension air bags are not inflated or feel soft by the time the undercarriage has reached transport position adjustment to the front and rear axle control valve linkage may be required See Triple Axle Air Ride Height Adjustment for Transport on page 4 10 Bulkhead Option Optional bulkheads may come with or without chain racks To remove a bulkhead disco...

Page 34: ...3 22 F 1013 1118 OPERATING INSTRUCTIONS TABLE OF CONTENTS Figure 3 13 Bulkhead Option CHAIN RACK BULKHEAD BULKHEAD SIDE BAR 1 4 X 2 COTTER PIN 1 X 5 1 8 PIN LH BULKHEAD EXTENSION ...

Page 35: ...s to a proper function or a fault See Page 5 9 for troubleshooting faults Synchronizing transmitter to receiver c Power cycle the receiver OFF and then ON d On the Transmitter press and hold the Red OFF button e At the same time press and hold the Green ON button for approximately 10 seconds f Steps must be complete within ten 10 seconds of the receiver power cycle g The wireless activity LED indi...

Page 36: ...de 8 screws that hold the bumper energy pack shall be loctited and torqued to 280 ft lbs DANGER Anti Lock Brake System ABS Vehicle standards FMVSS No 121 anti lock brake system requires all trailers manufactured after March 1 1998 with air brake systems to have ABS Each trailer including a trailer converter dolly shall be equipped with an anti lock brake system that controls the wheels of at least...

Page 37: ...i Lock Brake System CERTIFICATION DECAL TO BE LOCATED ON FORWARD FACING SURFACE 12 INCHES FROM CURB END OF GUARD WARNING DECAL TO BE LOCATED ON STREETSIDE BUMPER ARM 4 max 4 max 22 max ABS LIGHT 12 max ENERGY PACK DECAL TO BE LOCATED ON REARWARD CURBSIDE OF REAR IMPACT GUARD AS SHOWN ...

Page 38: ...collect and freeze to immobilize equipment The truck semitrailer operator must always be alert for indicators of cold weather malfunctions 2 During any extended stop period neither the service nor parking brake should be used as they can freeze up Use wheel chocks to secure the vehicle from moving 3 Check all structural fasteners air system fittings gaskets seals and bearings for looseness that ca...

Page 39: ... using the tractor or trailer 2 Use the Troubleshooting Guide in Chapter 5 to check for SYMPTOMS and PROBLEMS of any trailer system not functioning correctly or where wear distortion or breakage is found Administer REMEDY according to the right hand column of the troubleshooting section Lubrication Figure 4 1 and Table 4 1 detail lubrication points and intervals method of application and lubricant...

Page 40: ...ESERVOIR 1 ENGINE CRANKCASE 6 WINCH 12 000 LB ONLY 3 WINCH GEAR CASE 2 WINCH CABLES 4 VIEW A A SLACK ADJUSTERS CAMSHAFT BUSHINGS CAM FOLLOWERS REAR ROLLER 3 A A HUB OIL 5 BOTH SIDES PARK STANDS 3 CABLE ROLLERS 3 KINGPIN PLATE HINGE AND LATCH 3 PIVOT PIN 3 TILT CYLINDERS 3 DOCK LEVELER 3 CENTRALIZED GREASE SYSTEM ...

Page 41: ...f the trailer Rinse degreasing solution off with cold water 3 Inspect semitrailer for cause of any reported troubles 4 Scrape sand prime and repaint areas where finish is missing or where there is evidence of corrosion 5 Replace any missing or illegible decals Replace any missing or damaged reflective tape WARNING LUBE SEASON BRAND PRODUCT WEIGHT AND OR TYPE AMOCO EXXON PHILLIPS TEXACO 1 ALL YEAR ...

Page 42: ... C 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 ENGINE 5 I Inspect R Replace T Tighten Adjust Torque L Lubricate C Clean NOTES Recommendation lubrication for 12K Winch Planetary Gear Case Aeroshell 64MS Recommendation lubrication for 20K 30K Winch Planetary Gear Case 76 Moly Low Temp Grease a Perform at the time shown Sh...

Page 43: ...engines 4 CHECK VALVE CLEARANCE LP natural gas conversion engines 4 CHECK VALVE CLEARANCE extended service life engines 4 CLEAN CARBON AND LEAD DEPOSITS cylinder head 4 NOTES 1 Check for fuel leaks With engine running visually and audibly check exhaust system for leaks 2 Perform more often when running under severe operating conditions 3 Required for initial break in only 4 For detailed maintenanc...

Page 44: ...raffic and properties If any cracks or breaks are found contact the Landoll factory for repairs Inspect the deck daily for broken or missing planks or missing attachments Replace any defective parts promptly Fifth Wheel Latch Adjustment 1 To adjust fifth wheel latch assembly support fifth wheel plate and adjust rear nut until the cam just touches the flat surface on the latch See Figure 4 2 2 Then...

Page 45: ...the fuel recommended for the engine package installed on your semitrailer WARNING Electrical System 1 Maintenance of the electrical system consists of inspection and minor servicing Any wire connection or electrical component showing signs of corrosion wear breakage or unraveling must be repaired or replaced 2 Frayed or unraveling wire must have the defective section removed and replaced with wire...

Page 46: ...t Yellow LED Light Yellow LED Light Yellow LED Light Yellow LED Light Yellow LED Light Yellow LED Light Yellow LED Light Toggle Switch and Boot Control Panel Light Remote Assembly Mid turn Light Mid deck Harness 60 Branch Harness Marker Harness Ext Marker Harness Ext Marker Harness Ext 300 Harness Front Main Harness 360 Main Bed Harness E Chain Harness Red Clear LED Red Clear LED ...

Page 47: ...er Electrical E Chain Harness 84 Harness Extension Mudflap Harness Bumper Harness Red Clear Lens Light Flat Chrome Flange Mudflap Mount Weldment Red Clear Lens Light Red Clear Lens Light Red LED Light License Plate Light Flat Chrome Flange Strobe Light w 300 Harness ...

Page 48: ...nd frame according to table below Block height is dependent upon suspension ride height and or axle brake size Table 4 5 Ride Height and block size 4 Lower the trailer by exhausting air from the air springs by moving the control arm to the down position about 45 until the axle tube is resting on the block 5 Check the ride height to make sure it is correct Consult Landoll Service Center if correct ...

Page 49: ...Ride Suspension System Figure 4 7 Air Ride Height Adjustment EXHAUST PORT OUT TO AIR BAGS IN FROM AIR SUPPLY TANK LOCATED ON BUMPER USED ON TRIPLE AXLE MODELS ONLY 1 4 ADJUSTING LOCK NUT LOCATING PIN ADJUSTING BLOCK SLOT INTAKE EXHAUST CONTROL ARM OUT TO AIR SPRING IN AIR SUPPLY ...

Page 50: ...pension system will return to and maintain the proper ride height Triple Axle Height Control Adjustment for Loading 1 Pull undercarriage out of pockets 18 dump air and tilt trailer up 2 Disconnect center axle height control linkage and dowel pin control arm not to move Put block between top of axle and frame 3 1 2 set ride height See Figure 4 8 3 Disconnect front and rear axle height control linka...

Page 51: ...ENANCE AND LUBRICATION 4 13 TABLE OF CONTENTS Figure 4 8 Triple Axle Air Ride Suspension System 1 of 2 VENT VENT Front Height Control Valve Center Height Control Valve To Rear HCV To Front HCV To Center HCV ...

Page 52: ...e 4 9 Triple Axle Air Ride Suspension System 2 of 2 VENT Rear Height Control Valve Curbside Pilot Valve Streetside Pilot Valve To Rear Airbag To Front Airbag To Rear Airbag To Front Airbag To Curbside Center Airbag To Streetside Center Airbag To Front HCV To Center HCV ...

Page 53: ...e being checked and the other point on the inner bearing surface on the other spindle See Figure 4 10 3 Move the axle gauge and place against the back side of the axle If either of the points of double point end fails to touch the axle surface a bent spindle is evident A point gap of 015 or more is considered excessive tire toe and the axle must be replaced See Figure 4 10 4 Follow the same proced...

Page 54: ...AINTENANCE AND LUBRICATION TABLE OF CONTENTS Figure 4 11 Examples of Camber Figure 4 12 Checking Axle Alignment POSITIVE CAMBER ROAD NO CAMBER ROAD NEGATIVE CAMBER ROAD SQUARE SQUARE SQUARE D D1 Y Y1 CURBSIDE STREETSIDE ...

Page 55: ...pension or axles must be replaced immediately Air Ride Suspension Axles The air ride suspension is aligned and adjusted at the factory and it should not be necessary to align the axles If however it does become necessary to align the axles the procedure is as follows 1 To align air ride suspension axles locate the front axle equalizer beam pivot bolt in front hanger at front end of lock nut Loosen...

Page 56: ...axle to aid in even brake application and release Examine yoke pin for wear and replace as necessary The spring chamber should not be serviced Replace entire unit both service and spring chamber if spring chamber becomes faulty WARNING Caging the Power Spring 1 Chock the trailer wheels 2 Remove dust cap from spring brake chamber 3 Remove the release bolt from its holding brackets and insert it int...

Page 57: ... line is on the service chamber port and the emergency line is on the spring brake port 5 Check for leakage by charging the air system to a minimum of 90 psi and applying soap suds to the brake chamber and connections If a growing bubble is detected or bubbles are blown away locate the source of the leak and repair 6 Ensure that the clamp band is properly seated and tight before uncaging the power...

Page 58: ... pin bushings anchor pins and spacers onto spider Install anchor lock rings IMPORTANT Always use all new springs when servicing brakes 6 Install brake return spring 7 Connect slack adjuster to brake chamber pushrod 8 Adjust automatic slack adjuster as outlined in Adjusting Slack Adjuster on page 4 24 Disassembly for 16 1 2 x 7 Brakes 1 Release brakes and back off slack adjuster See Figure 4 16 2 R...

Page 59: ...usters should be serviced every 25 000 30 000 miles or every six months This interval is based on severity of use For off highway use service every four months Suggested Preventative Maintenance Check oil level in the hubs every 1 000 miles and inspect wheel seals for leaks Check brake adjustment and repack wheel bearings every 12 000 miles Check brake lining wear inspect camshaft camshaft spider ...

Page 60: ...g shoes in place on the anchor pins then wrap the two shoes into place about the spider 6 Install the shoe retractor spring onto the shoes 7 Connect slack adjuster to brake chamber pushrod 8 Adjust automatic slack adjuster as outlined in Adjusting Slack Adjuster on page 4 24 TYPE I RH TYPE II LH VIEWED FROM HEAD END NOTE RH DOES NOT NECESSARILY CORRESPOND W RIGHT SIDE OF TRAILER ...

Page 61: ...rake a minimum of 105 psi reservoir pressure must be maintained If air pressure is not available the spring brake must be manually caged 3 Remove the existing slack adjuster and clevis DO NOT REMOVE EXISTING JAM NUT 4 Install the new clevis with 1 2 pin onto the push rod up to the jam nut DO NOT TIGHTEN JAM NUT 5 Fit the installation guide over the cam splines so the 1 2 pin slots face the air cha...

Page 62: ... 5 Fully apply and 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 remeasure distance to 1 2 pins NOTE The stroke difference of these two measurements must be less than 2 inches Figure 4 17 Slack Adjuster SLACK ADJUSTER CLEVIS PUSHROD JAM NUT COTTER PIN 1 2 ...

Page 63: ...follows See Figure 4 18 a Remove the brake drum It may be necessary to release the slack adjuster b Remove hub cap and catch lubricant in a pan c Remove outer spindle nut spindle locking washer inner spindle nut and bearing Remove hub from axle d Using an appropriate driver remove inner bearing cone and seal e Using an appropriate driver remove bearing cups from hub f Check that the hub cavity is ...

Page 64: ... inner spindle nut tightening the nut until it is snug against the outer bearing cone Remove the hub support allowing the hub to rest on the bearings n Install and adjust bearings See Wheel Bearing Lubrication and Adjustment on page 4 27 o Install the hub cap with the proper gasket Tighten the cap screws of the hub cap to 15 to 20 ft lbs of torque p Remove the filler plug and fill the hub cavity t...

Page 65: ... nut will align with a hole in the lock washer and the washer tang fits in the spindle keyway 10 Install the outer lock nut and tighten to 250 300 ft lbs End play of 001 to 010 must be present in the adjusted wheel bearing assembly DANGER 11 Install the hub cap with a new gasket and fill with oil to the full mark See Table 4 1 12 Adjust brakes according to Brake Adjustment on page 4 20 13 Check hu...

Page 66: ...il the wheels are off of the ground Hold a straight edge against the tires of both ends of an axle A gap at one tire indicates a smaller tire A maximum of 1 8 gap is allowed See Figure 4 21 Figure 4 21 Straight Edge Method Mounting Tire and Wheel 1 Make 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 22 2 Positi...

Page 67: ... OF CONTENTS Figure 4 22 Mounting Tires and Wheels Figure 4 23 Stud Tightening Sequence INNER TIRE AND WHEEL OUTER TIRE AND WHEEL FLANGE NUT HUB CAP LOCKWASHER CAP SCREW GASKET BRAKE DRUM 8 BOLT 1 6 4 7 2 5 3 8 10 BOLT 1 10 3 5 7 2 9 4 6 8 ...

Page 68: ...wish to mark which hose goes to what port Remove the leg from the trailer 2 Remove the lock valve from the leg by screwing counter clockwise See Figure 4 24 If you need only to repair the lock valve it may be removed from leg while still on trailer if you have a minimum of 2 clearance above 3 Remove o rings and backup washers Using a snap ring pliers remove snap ring Loosen hex screw 4 Lift well t...

Page 69: ...INING RING ROD SEAL PISTON ROD WEAR RING PISTON SEAL WEAR RING SNAP RING PISTON STABILIZER LEG COUNTER BALANCE VALVE ASSEMBLY O RING BACKUP WASHER SNAP RING HEX HEAD CAP SCREW SPLIT LOCK WASHER HEAD RETAINER CYLINDER OIL SEAL O RING BACKUP WASHER CYLINDER HEAD WELL TUBE GREASE FITTING O RING BACKUP WASHER NYLON BALL SET SCREW CYLINDER TUBE ...

Page 70: ...ody tap gently to engage threads Torque plug to 15 ft lbs 8 Install new o ring on plug opposite retaining plug Thread plug into body Torque to 70 in lbs 9 Replace spring and poppet Replace the o ring on plug and reinstall 10 Install new o rings and back up washers on top of piston rod 11 Thread lock valve on piston rod until firmly seated If the ports need to be relocated loosen the screw at the t...

Page 71: ...gear 4 Then drive out output shaft by placing a punch through hole in output spur gear and driving the shaft out Now both items can be removed 5 Remove cap plug Shift input gear shaft to the high gear position Then drive out roll pin with a 3 8 diameter punch by using the 50 diameter hole at the side of the shaft in the outer housing IMPORTANT For two speed leg assemblies without the side access h...

Page 72: ...FT BOLT GROOVED PIN SPACER WASHER PINION SHAFT 1 SPEED ROLL PIN THRUST BEARING COLLAR INNER LEG ASSEMBLY STD SHOE SHOE AXLE OUTPUT SHAFT SPIRAL PIN INPUT SPUR GEAR BUSHING SHIFT HOUSING SHIFT HOUSING BOLT GREASE SEAL STD CRANK W HARDWARE BEVEL GEAR GROOVED PIN BUSHING SPACER WASHER OUTPUT SPUR GEAR SELF LOCKING NUT CRANK HANGER HEX HEAD BOLT SELF LOCKING NUT OUTPUT CLUSTER GEAR OUTPUT CLUSTER SHAF...

Page 73: ...e 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 LIGHTS DIM Voltage difference between semitrailer and tractor Match bulbs with tractor voltage Grounding through fifth wheel Locate broken ground wire tractor or semitrailer LIGHTS BRIGHT AND BURN OUT Voltage dif...

Page 74: ... WEAR DETERIORATION CENTER TREAD WEAR Over inflation Deflate to correct inflation See Tire Inflation on page 4 23 SHOULDER TREAD WEAR BOTH SHOULDERS Under inflation Increase inflation to correct PSI Check axle alignment See Tire Inflation on page 4 23 Overload Loads are above rated tire capacity DO NOT load above rated tire capacity SHOULDER TREAD WEAR ONE SHOULDER Axle damage Straighten or replac...

Page 75: ...G PROBLEMS TRACKS TO ONE SIDE Axle alignment Re align axle See Axle Alignment on page 4 14 TRACKS TO EITHER SIDE Broken or bent springs or equalizers Replace defective parts Axles not parallel Re align axles AIR RIDE HEIGHT PROBLEMS TOO HIGH Axle to control valve linkage Readjust linkage Height Control Valve internal leak Repair or replace valve TOO LOW Axle to control valve linkage Readjust linka...

Page 76: ...ion 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 ...

Page 77: ...ce valve EXCESSIVE LEAKAGE WITH BRAKES RELEASED Relay emergency valve leaking Repair or replace valve Leaking tubing or hose Replace defective part EXCESSIVE LEAKAGE WITH BRAKES APPLIED Relay emergency valve leaking Repair or replace valve Leaking brake chamber diaphragm Replace diaphragm Call Factory or see qualified Trailer Brake Technician Leaking tubing or hose Replace defective part EXCESSIVE...

Page 78: ...d drums Also check for operating conditions or loads that create severe or excessive brake applications BRAKES PULL TO EITHER SIDE Drums of different diameters Replace with drums of same diameter Foreign matter in drums Clean drums out ROUGH OR NOISY BRAKING ACTION Defective drums Pull drums and inspect for any of the following Heat spotted drums grease spotting blue drums scored drums excessive w...

Page 79: ...oper 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 alignment SYSTEM OPERATES ERRATICALLY Air in the system Check suction side of system for leaks Repair leaks Cold oil Allow ample warm up time Use proper weight oil for operating temperature Dirty or damaged components Clea...

Page 80: ... dirty oil 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 or add oil as needed Suction line plugged Clean out obstruction or replace line Flush system replace filter Pump damaged Repair or place LEAKY PUMP Damaged or worn shaft seal Replace seal a...

Page 81: ...d battery If the transmitter is placed in the On state and the Low Battery LED or no LEDs flash the battery may be low or dead Replace with a CR2450 coin cell battery Transmitter is not properly paired with the receiver The Transmit LED on the receiver and on the transmitter should both periodically flash while a button is held and the transmitter is in the On state If only the transmitter Transmi...

Page 82: ...valve for 2400 2500 psi Worn hydraulic pump Service or replace Insufficient volume to dock level circuit Check compensator in main control valve Replace if flow to dock level is below 5 GPM Too heavy a load Reduce load on cylinders LOWERS UNEVENLY OR ERRATICALLY Insufficient volume to dock level circuit Clean system and new oil and filter Dirty oil in check valves Use same procedure as above ...

Page 83: ...Document Control Revision Log Date Form New Update Improvement s Description and Improvements 11 2018 F 1013 1118 New New Operators Manual for 400B series ...

Page 84: ...facturing facilities 440B 455B Operators Manual Re Order Part Number F 1013 1118 LANDOLL CORPORATION 1900 North Street Marysville Kansas 66508 785 562 5381 800 428 5655 WWW LANDOLL COM Copyright 2019 Landoll Corporation All rights reserved including the right to reproduce this material or portions thereof in any form Scan to go to www landoll com ...

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