LT-143: Service manual No-Slack II® top plates
Contents
1. A liberal coating of grease should be applied to the top surface of Inspection criteria the fifth wheel A wide putty knife or brush will make this job easier 1 Initial inspection of bracket liners should be made at 200 000 miles Apply liberal amounts of grease to the entire surface of the fifth and every 100 000 miles there after wheel making sure the grease grooves in the surface are full of new 2 Bracket liners should be replaced when liner thickness measures SUE 0 125 or less Measurement should be made at the thinnest point You have now completed Fontaine s recommended 90 day 30 000 of the bracket liner This is typically at the top portion of the liner mile preventive maintenance and your truck is ready to be returned to service 125 Minimum Part Number LNR BKT 107 Installation instructions Removal of a bracket liner 1 Remove fifth wheel from the mounting bracket Fifth wheel removal includes a Removing cotter pins from the retainer pins b Removing the retainer pins c Removing the bracket pins from the fifth wheel d Remove fifth wheel from mounting bracket 2 Using a flat head screwdriver pry with an upward force on the end of the bracket liner Bracket liner should release from the mounting Place flat head screwdriver here bracket Installation of a new bracket liner 1 Place the new bracket liner directly over the mounting bracket 2 Using a rubber mallet strike the top of the2. Damage from high pin attempt Sec A 16 800 874 9780 www fifthwheel com Items needed for rebuild follow rebuild instructions included in the KIT RPR 6000L Remember to exercise extreme caution follow all stated amp customary safety procedures and be sure to wear safety glasses Do not use pneumatic tools Over tightening may cause damage e 34 wrench e 34 socket wrench e 1 1 16 wrench e Pliers e Flat head screw driver e Long pry bar e Test kingpin MSC 712 e Kingpin gauge MSC GAUGE e Moly based lubricant such as Mobilgrease XHP320 or equivalent Air actuated in cab release You can upgrade your Fontaine 6000 or 7000 series fifth wheel from manual to Air Actuated in cab release Simply order a KIT AA 6000L road side release or KIT AA 6000R curb side release You will also need KIT AIR DASH for the parts required to complete the in dash installation KIT AIR DASH 1 2 diameter holes P FONTAINE PARTS CONNECTION Top plate rebuild kit Eu No Slack rebuild kits for 6000 7000 7000CC top plates KIT RPR 6000L left release KIT RPR 6000h right release After inspection you may need to optionally order other kits See schematic on page A 19 Special tools Fontaine offers special tools for your fifth wheel to help your repairs go fast and easy Test kingpin for all Fontaine fifth wheels MSC 712 lb Kingpin gauge lt X MSC GAUGE 800 874 9780
3. Axle limitation Maximum number of towed axles equals 2 Top plates 3000 van trailers flatbeds stretch and skate trailers only 6000 7000 7000CC Moderate duty on highway Weight Less than 115 000 Ibs 52 000 kg gross combination weight GCW Road type 10096 on highway application on maintained concrete or asphalt roads Travel type No minimum mileage between stops Axle limitation Maximum number of towed axles equals 4 Top plates 6000 7000 7000CC H5092 Moderate duty off highway Weight Less than 115 000 Ibs 52 000 kg gross combination weight GCW Road type Less than 10 off highway application on maintained concrete asphalt gravel or crushed rock roads Travel type No minimum mileage between stops Axle limitation Maximum number of towed axles equals 4 Top plates 6000 van trailers only 7000 7000CC H5092 Sec A 2 severe Duty on highway Weight More than 115 000 Ibs 52 000 kg gross combination weight GCW Road type Less than 10 off highway application on maintained concrete asphalt gravel or crushed rock roads Travel type No minimum mileage between stops Axle limitation No axle limitations Top plates 7000 van trailers only 7000CC H5092 Severe duty off highway Weight More than 115 000 Ibs 52 000 kg gross combination weight GCW Road type Any off highway application on all road types including non maintained roads Travel type No minimum mileage between stops Axle
4. Fontaine Parts Connection Service Manual Includes e Identify your fifth wheel e Pre service procedures e Preventive maintenance e Troubleshooting e Rebuild information e Mounting information e Frequently asked questions e Supplemental videos available at www fifthwheel com Contents section A Fontaine No Slack 7000CC 7000 amp 6000 Section B Fontaine No Slack 5092 section C Fontaine 3000 Series Section D Mounting information Section E Frequently asked questions PARTS CONNECTION Focused Qu PEEERN Wheels WWww fifthwheel com Copyright 2008 e Fontaine Parts Connection LT 143 Fontaine No Slack 6000 7000 700066 Contents Identify your fifth wheel Sec A 1 2 Pre service procedures Sec A 3 5 Preventive maintenance Sec A 6 9 Troubleshooting Sec A 10 15 EC eese Sec A 16 23 Identify fifth wheel assembly Identify top plate 6000 Series amp Stamped Steel No Slack l FONTAINE PARTS CONNECTION 7000CC Series Clean Connect h Cast Steel No Slack 800 874 9780 www fifthwheel com Sec A 1 Identify your fifth wheel Serial number locations Old style serial number before 11 27 00 Serial number located on small rectangular tag on front of top plate Note position 3 and 4 of the serial number indicates the y
5. YES Engage trailer brakes and back up tractor YES to relieve pressure Make sure air Suspension is not dumped before uncoupling Make sure bushings are not over tightened YES Check for damaged Check for obstruction hitting underneath components such as pull handle operating handle handle guide Install rocker limit blocks Check for damage to locking mechanism operating handle pull handle handle guide cover plate etc Check for damage to locking mechanism operating handle pull handle handle guide cover plate etc Check for proper wedge stop rod adjustment Check for damage to wedge burrs bent from hitting kingpin etc Check for installation of correct bracket pins Check serrations for proper fit paint runs or proper lubrication Check for bent or damaged handle guide if wheel is air actuated check pull handle operating handle cover plate for bent air cylinder shaft Check for proper installation Finish or call If wheel is air actuated check for bent air of bushings Fontaine Parts Connection cylinder shaft Hard to close 6000 7000 7000CC NO YES Check for damage to locking mechanism operating handle pull handle handle guide cover plate etc Check for interference between top plate and base mount Check the tip of the bumper to make sure it isn t worn broken or bent Check the bottom flange of kingpin to make sure it
6. bracket liner The new bracket liner should lock into place 3 Once both new liners are installed reinstall the fifth wheel onto the mounting bracket 4 Insert the bracket pins back into the fifth wheel Note placing some grease on the end of each bracket pin is recommended Reinstall the retainer pin and cotter pins 5 Tilt the fifth wheel to the front and back of the mounting bracket to ensure that the bracket liners are properly installed Place Strike with rubber mallet here bracket 4 liner over mounting bracket 800 874 9780 www fifthwheel com Sec A 9 Troubleshooting Slack 1 Check your pull handle e f it is bent replace it 2 Check your adjustment Handle closed within 1 pi mv m V J 3 has LE o a i ee A i j m ei 3 T CENE T X ARTS VES he Verify that the pull handle is in fully locked position Within 1 of the fifth wheel skirt With the wheel still closed on the kingpin tool push on the wedge stop rod until it touches the end of the wedge and let it spring back the wedge stop rod is spring loaded and should spring back out after you push it in This movement or free play should be one quarter of an inch when coupled to a 2 kingpin To adjust turn the wedge stop rod counter clockwise to increase the free travel or clockwise to reduce free travel Turning it in too far will result in slack and cause prematu
7. cab To open set the tractor parking brake and pull the release valve Hold the valve open until the locking mechanism is locked in the open position The pull valve will not activate the air cylinder unless the tractor parking brakes are set Air cylinder 4 on air d actuated models 3 Close the locking mechanism using a test kingpin or 2 diameter pipe Repeat several times making sure that all moving parts have adequate lubrication 4 The pull handle should always be free of grease or any substance which could prevent a firm grip causing the handle to slip and resulting in injury sec A 4 800 874 9780 www fifthwheel com FONTAINE Pre service procedures PARTS CONNECTION Lubrication points No Slack 6000 7000 7000CC Black arrows are lube points when the fifth wheel is on a mount However for proper maintenance it is recommended you clean it and re grease the pivot points see white arrows U d lt Use zerk ed grease A holes gt lt Jaw and wedge see step 2 pre service and Step 4 of preventive maintenance 800 874 9780 www fifthwheel com Sec A 5 F Preventive maintenance TNS See No Slack Preventive Maintenance video at www fifthwheel com Click on Videos button Look under the fifth wheel and make sure that nothing is hanging loose Fontaine International s preventive maintenance procedures for No Slack fifth wheels This section covers the
8. isn t worn broken or bent Check to make sure the bumper spring and pull handle spring are not missing or damaged Check the stationary jaw to make sure that it is positioned properly and that it isn t worn broken or bent Y Check the cover plate to make sure it is positioned properly and that it isn t worn broken or bent Y Finish or call Fontaine Parts Connection Excessive slack 6000 7000 7000CC NO Adjust wedge stop rod YES Adjust wedge stop rod Check for kingpin wear Check for bent operating handle and or pull handle Check locking jaw and wedge serrations for wear Check for bent handle guide and or cover plate Check stationary jaw for excessive wear or damage Check for bent or broken bumper guide Check for bent or damaged bumper and or secondary lock springs Check for missing pivot point bushings Y Finish or call Fontaine Parts Connection Sec A 14 800 874 9780 www fifthwheel com Troubleshooting Will not latch open 6000 7000 7000CC Check for interference between top plate and base mount Check for installation of correct bracket pins Check for missing or damaged bumper springs Check for bent or damaged handle guide pull handle operating handle cover plate Check for worn broken or missing stationary jaw or trailer kingpin Y Check tip of bumper hook for wear mushrooming or broken tip Check for proper orientat
9. limitation No axle limitation Special All logging mining and oil field applications applications fall into this category regardless of anticipated weight road type or number of axles Top plates H5092 X5092 Pre service procedures See No Slack Pre Service Deliver and Inspection video at www fifthwheel com click on Videos button A Check fasteners Make sure all nuts and bolts are in place and properly tightened Check to see if both bracket pins are in place and secured by retainer pins and cotter pins E Bracket pin m S J S_OK No Slacke Il fifth wheel Retainer pin Cotter pin P FONTAINE PARTS CONNECTION B Lubricate fifth wheel Lubricate the fifth wheel prior to opening and closing Pre service lubrication 1 On models WITHOUT bracker liners lift the top plate forward front of the fifth wheel down and apply grease to each bearing area through the zerk fitting No Slack has two fittings each side located on each side of the top plate just to the front of the bracket pins Continue to apply grease until it is coming out of the back of the bearing It may be necessary to raise the rear of the fifth wheel with a pry bar to open up the pocket slightly and allow the grease to flow through Pry up top 2 plate for best i results erase Grease the mount brackets 4 zerks Lift the top plate up with a pry bar to ensure grease gets to the top of the brackets If your
10. model features bracket liners skip this step but check for free rocking motion A substantial amount of grease may be required initially to fill the reservoir Tilt the wheel to the rear rear of the wheel down and repeat the procedure Rock the top plate back and forth several times to spread the grease over the bearing surface Inspect the trailer kingpin plate and top surface of the fifth wheel to make sure each is properly greased A liberal coating of grease should be applied to the complete surfaces of both the trailer kingpin plate and the top surface of the fifth wheel A paddle or brush will make this job easier Do not use a lube plate high density polyethylene on top of the fifth wheel or on the kingpin in lieu of grease without prior approval by Fontaine International The additional thickness of this material can prevent the proper operation of the fifth wheel and can cause a dangerous condition 800 874 9780 www fifthwheel com Sec A 3 Pre service procedures mechanism with a pry bar by pushing the bumper off its seat Keep your hands and arms out of the fifth wheel throat 2 Lubricate the fifth wheel prior to opening and closing Referring to jaw and wedge photo below grease the jaw and wedge on top and bottom Separate the jaw and wedge with a large screwdriver and distribute the grease along the full length of the jaw and wedge mating surfaces Open and close the fifth wheel several times to further distrib
11. other pivot points under the fifth wheel with a spray lube See lubrication points on page A 5 4 Check your trailer kingpin using a Fontaine kingpin gauge MSC GAUGE e f the kingpin is worn out replace it see SAEJ2229 PF PARTS CONNECTION Hard to open 1 All pressure must be removed from the lock before it will open 2 Check the pull handle If the pull handle is bent replace it 3 Check for proper lubrication First trip the wheel closed by pushing the bumper off its seat with a pry bar Be careful When the mechanism closes the handle moves in quickly E s Prior to greasing jaw and wedge trip the locking mechanism with a pry bar by pushing the bumper off its seat Keep your hands and arms out of the fifth wheel throat Next pull back slightly on the pull handle separate the jaw and wedge with a big screw driver and distribute grease between the jaw and wedge pressing it between the serrated surfaces Fontaine recommends a Moly based lubricant such as Mobilegrease XHP320 or equivalent Kingpin Contact Area Also apply grease to the stationary jaw at the front of the throat Now work the lock mechanism back and forth several times to further distribute the grease Now lubricate the secondary lock and any other pivot points under the fifth wheel with a spray lube See lubrication points on page A 5 800 874 9780 www fifthwheel com Sac A 11 Troubleshooting 4 Check adjust
12. www fifthwheel com Sec A 17 FONTAINE PARTS CONNECTION No Slack part identification Note 6000 is shown but CC7000 and 7000 use same parts Front cross bumper Bumper Handle Handle Step member spring spring guide jaw EE Wedge stop Wedge stop rod Wedge stop rod Rear cross Wedge rod spring nut member Secondary safety Timer spring Timer Pull handle lock guide Operating handle Timer Support Jaw Bearing guide guide pocket sec A 18 800 874 9780 www fifthwheel com Rebuild FONTAINE PARTS CONNECTION Top plate kits ED 80 es Clean Connect plates can only be used with the 7000CC 2 fifth wheel top plate n Quantity LI o 1 Clean Connect plate kits 1 Quantity These kits can only be used with the 7000CC 1 1 Clean Connect fifth wheel top plate 1 Item Description Quantity 1 CC PLATES 3 46 Right CC plate 1 Bumper kit KIT BPR 6000L or R A ae A Wedge stop rod kit KIT ROD 1108 2 Hex lock nut 1 2 13 1 49 Hex lock nut 14 0 Wedge stop rod nut 1 83 Flat washer 1 2 I D 2 CC PLATES R 2 Flatwasher 5 8 I D 2 84 Bushing 1 46 Right CC plate 1 Wedge stop rod spring 1 85 Hex head bolt 1 2 13 1 48 Flat washer 7 4 Wedge stop rod 1 Bumper 1 Hex lock nut 7 Cotter pin 3 16 x 1 1 Bumper spring 1 CC PLATES L l Left CC plate 1 PIN 191 48 Flat washer 7 I 2 Hex lock nut 7 1 2 1 2 1 Air actuated kit KIT AA 6000
13. L or R 2 1 This kit includes the parts mounted to the fifth wheel If you are upgrading from manual to air actuated you will also need KIT AIR DASH which 2 Pairs dle kit KIT OPR 6000 includes the parts required to complete the 9 7 16 1 in dash installation 9 5 16 1 Item Description Quantity 2 11 4 1 Hex head bolt 1 2 pu 1 2 13 3 Hex lock nut 1 7 Air cylinder 1 Secondary lock kit KIT LAT 6000L or R 1 km ae 1 Handle spring 1 1 Flat washer 1 Hex head bolt 1 2 13 Shoulder bolt 1 1 Flat washer 1 2 I D 2 ER Bushing 7 16 1 kit KIT PUL 6000L or R KIT AIR DASH 1 1 1 1 Secondary lock x wong Hex lock nut 1 2 13 800 874 9780 www fifthwheel com Sec A 19 Cotter pin 3 16 x 1 1 FONTAINE PARTS CONNECTION Dissassembly Remove secondary lock spring and bumper spring Remove pull handle cotter pin and washer then slide out pull handle Pull handle cotter pin Secondary lock spring Bumper spring Unbolt and remove bumper from operating handle Discard lock nut and bushing 3 Remove bolt For 6000 amp 7000 series fifth wheels procedures are the same for both series Unbolt and remove secondary lock from operating handle Discard lock nut and bushing Secondary lock M Unbolt operating handle from pivot mount and remove Ka Discard lock nut Operating handle Caution always wear safety glasses and do not stand directly ove
14. com FONTAINE Rebuild PARTS CONNECTION Assembly 9 existing bolt and washers inspect for wear before using for wear before using and replace if necessary Attach new and replace if necessary Use new lock nut and bushing secondary lock and bumper spring that is supplied in the repair that is supplied in the repair kit Note orientation of bolt kit Now open and close the wheel to ensure that it works properly Fifth wheel must be properly lubricated before opening and closing the wheel Insert secondary lock and bolt to operating handle Use f Install pull handle Use existing washer and cotter pin inspect Pull handle Secondary cotter pin lock spring ve Secondary lock Conversion of manual to air Wedge stop rod adjustment actuated release Stop rod Your 6000 or 7000 Series fifth wheel can easily be converted to Close the fifth wheel several times with a standard 2 kingpin an air actuated release model Order Part No KIT AA 6000 tool With the lock closed adjust the wedge stop rod so that the and install per Technical Bulletin TB 004 included end is 1 4 from the wedge Specify left side driver s side or right side curb side release by adding an L or R after Part 800 874 9780 www fifthwheel com Sec A 23
15. ear built XXXXXXXXX No Slack front view Part number nomenclature im M FONTAINE PARTS CONNECTION New style serial number after 11 27 00 Serial number engraved directly into the right side of fifth wheel skirt Note position 5 and 6 of the serial number indicates the year built No Slack right side view Fontaine International complete assembly part numbers Example SL7ATB67501 2 1 Top plate SL Release Top plate model SL Side left C 7000CC No Slack left release only SR Side right 7 7000 No Slack AA Air actuated 6 6000 No Slack BL Blocked left 3 Slide rail Slide travel For sliding fifth wheels only Example 12 12 slide 2 Mounting bracket ATB Mounting bracket model 6750 Mounting height ATB Air slide bracket Actual height from truck MTB Manual slide bracket frame to top of fifth wheel PMA Plate mount adjustable Examples 7125 7 1 8 24 24 slide PSA Short plate mount 7250 7 1 4 36 36 slide PLA Long plate mount 8375 8 3 8 48 48 slide FMA Frame mount 9750 9 3 4 BSM Bracket stationary mount AWX Xtra heavy duty air wedge slide A36 Stationary angle mount Duty class restrictions Standard duty weight Less than 95 000 Ibs 43 000 kg gross combination weight GCW Road type 100 on highway application on maintained concrete or asphalt roads Travel type More than 30 miles between each stop
16. ion of pull handle and bumper latch Y Make sure secondary lock latch 1 2 pin is not missing or damaged Finish or call Fontaine Parts Connection FONTAINE PARTS CONNECTION Air actuated coupling problems 6000 7000 7000CC Check air cylinder port and or relief valve hole for obstruction Check air cylinder for leakage Check air cylinder for leakage Check to see if air cylinder is N installed properly installed properly Replace bumper and handle Finish or call spring with SPR 374 Replace air line Finish or call Fontaine Parts Connection 800 874 9780 www fifthwheel com Check air supply line for damage crushed or crimped Check to see if air cylinder is NO Fontaine Parts Connection Sec A 15 6000 7000 7000C top plates FONTAINE Rebuild PARTS CONNECTION See No Slack Rebuild Procedures video at www fifthwheel com Click on Videos button Note rebuild only after checking the serrations for wear Serrations Before rebuilding check to make sure that there are no cracks in the cross members or other components Under no circumstances should a fifth wheel be repaired or used if any component cross member saddle bearing etc is cracked Also check for excessively worn areas Damage from high Axe ZEN Damage from hig pin attempt dm t pin attempt Damage from high pin attempt
17. kwise to reduce free travel Turning it in too far will result in slack and cause premature wear but any mis adjustment can cause the fifth wheel to bind and become hard lo open Close with 2 kingpin or shaft Wedge stop rod 1 4 Gap Illu ows proper gap Only measure when fifth wheel is in closed position using 2 kingpin or shaft 800 874 9780 www fifthwheel com Sec A 7 6000 7000 7000C top plates Sec A 8 Preventive maintenance Step 4 Lubrication On models WITHOUT bracket liners apply grease to the two zerk fittings on each side of the top plate These supply lubricant to the bracket bearings Bearings should be greased with the fifth wheel in an unloaded condition Rock the wheel back and forth while applying grease Some grease should flow from the bearing pockets If you do not see grease coming from the bearing pocket use a crow bar to lift the top plate while applying grease ain is Grease all 1 4 zerks both poet H Pry up top plate for best results Grease the mount brackets 4 E Lift the top qs up with a pry bar to ensure grease gets to the top of the brackets Hint if the zerks will not lake grease remove top plate and clear the grease channels Grease channels On models WITH bracket liners it is not necessary to lubricate the fittings on each side of the top plate but free rocking motion is important If the fifth wheel does NOT
18. ment on wheels with wedge stop rod Handle closed within 1 V z s us Y hk pri ur atc ELM 2 i m With the wheel still closed on the kingpin tool push on the wedge stop rod until it touches the end of the wedge and let it spring back the wedge stop rod is spring loaded and should spring back out after you push it in This movement or free play should be one quarter of an inch when coupled to a 2 kingpin Close with 2 kingpin or shaft Wedge stop rod 1 4 Gap To adjust turn the wedge stop rod counter clockwise to increase the free travel or clockwise to reduce free travel Turning it in too far will result in slack and cause premature wear but any mis adjustment can cause the fifth wheel to bind and become hard to open 5 Check the trailers kingpin using Fontaine kingpin gauge MSC GAUGE e f the kingpin is worn out replace it see SAEJ2229 5 N 6 Kingpin gauge 1 FONTAINE PARTS CONNECTION Hard to close 1 Check the bumper With the fifth wheel in the open position check the upper tip of the bumper If the bumper is damaged replace it 2 Check the bumper and secondary lock springs Replace springs if damaged 3 Close the fifth wheel using your test kingpin If the fifth wheel closes refer the driver to the proper Cupling procedure guide LT 071 and the Fontaine International instructions book let LT 001 d Bum
19. of the failed part is shown above e Genuine Fontaine parts have the model number forged into the jaw and wedge forging e Only Genuine Fontaine parts have Genuine Fontaine Parts printed on the box 800 874 9780 www fifthwheel com Sec A 21 FONTAINE Rebuild PARTS CONNECTION Assembly Before rebuilding the assembly check to make sure that there are no cracks in the cross members or other components Also check bracket pin holes to ensure they are not worn oversize pins should fit snugly Under no circumstances should a fifth wheel be repaired or used if any component cross member saddle bearing etc is cracked Insert timer and timer spring diameter shaft Insert jaw first and then the wedge below it Grease the jaw and wedge on top and bottom See note below for more information Always assemble parts around a 2 kingpin or a 2 Insert operating handle and bolt to pivot mount Use existing bolt washer hairpin cotter inspect for wear i existing bolt and washers inspect for wear before before using and replace if necessary Use the new using and replace if necessary Use new lock nut lock nut and bushing that is supplied in the repair kit and bushing that is supplied in the repair kit Note orientation of bolt After installing the bumper check to make sure that it can pivot freely Install bumper and bolt to operating handle Use Operating handle Sec A 22 800 874 9780 www fifthwheel
20. per Secondary lock spring Bumper spring 4 Check the bottom flange of the kingpin for damage You can use a Fontaine kingpin gauge MSC GAUGE e f the kingpin is worn out replace it see SAEJ2229 c 6 Kingpin gauge Qu Qn MSC GAUGE Sec A 12 800 874 9780 www fifthwheel com FONTAINE Troubleshooting PARTS CONNECTION Cold weather hints When the temperature drops below freezing Fontaine recommends a thorough cleaning of the latching mechanism using a suitable cleaner or degreaser Lubricate the fifth wheel prior to opening and closing Refer to figures below Open and close the fifth wheel several times to distribute the grease Fontaine suggests the use of a moly based lubricant such as Mobilgrease XHP320 or equivalent Areas or regions that experience extreme and or prolonged freezing temperatures should consider using a less viscous substance such as 90 weight oil diesel fuel kerosene motor oil etc Fontaine recommends contacting your specific lubricant manufacturer for guidelines on mixing compatibility of any lubricant No Slack 6000 7000 7000CC Clean oil and grease all moving parts see arrows E Separate jaw and wedge with screw driver and grease full length 800 874 9780 www fifthwheel com Sec A 13 Troubleshooting PARTS CONNECTION Adjust the wedge stop rod NO Hard to open 6000 7000 7000CC Hit the wedge stop rod NO YES
21. r parts while disassembling or assembling wheel Sec A 20 800 874 9780 www fifthwheel com P FONTAINE Rebuild PARTS CONNECTION Dissassembly 5 Remove timer spring and timer e Remove jaw and wedge Fontaine No Slack non genuine parts advisory The purpose of this notice is to alert Fontaine and could create a dangerous condition The customers of the potential hazards from using non genuine components are easy to identify non genuine components specifically the by the physical characteristics listed below The movable locking jaw and wedge Recent reports use of any non genuine components not only have revealed the sale use and failure of these creates a potential dangerous condition it also components Failures are occurring as a result voids the manufacturer s warranty The seller of the locking wedge stud falling out see photo and end user assume any all responsibility in red at an early cycle time which affects the for warranty property and bodily damage as _ proper opening and closing of the mechanism a result of using non genuine parts Genuine Fontaine No Slack parts UR _ e The non genuine parts come in a white box e Genuine Fontaine parts come in a small brown box e The non genuine parts have jaw and wedge studs with Fontaine part number KIT RPR 6000L clearly that are pressed glued into the forging printed on a white label photo of box above A picture
22. re wear but any mis adjustment can cause the fifth wheel to bind and become very hard to open Close with 2 kingpin or shaft stop rod Sec A 10 m FONTAINE PARTS CONNECTION 3 Check the serrations between the jaw and wedge Close the wheel by using a long pry bar Separate the jaw and wedge using a flat head screw driver Run the screw driver be tween the jaw and wedge to feel serrations If the serrations are smooth the fifth wheel needs to be rebuilt see rebuild instructions Serrations If serrations are not worn grease jaw and wedge First trip the wheel closed by pushing the bumper off its seat with a pry bar Be careful When the mechanism closes the handle moves in quickly Prior to greasing jaw and wedge trip the locking mechanism With a pry bar by pushing the bumper off its seat Keep your hands and arms out of the fifth wheel throat Next pull back slightly on the pull handle separate the jaw and wedge with a big screw driver and distribute grease between the Kingpin contact area 800 874 9780 www fifthwheel com Troubleshooting jaw and wedge pressing it between the serrated surfaces Fontaine recommends a moly based lubricant such as Mobilegrease XHP320 or equivalent Also apply grease to the stationary jaw at the front of the throat Now work the lock mechanism back and forth several times to further distribute the grease Now lubricate the secondary lock and any
23. recommended steps for performing the 90 day 30 000 mile PM and includes Visual Inspection Function Wedge stop Rod Adjustment and Lubrication Remember to exercise extreme caution follow all stated amp customary safety procedures and be sure to wear safety glasses Step 1 Visual inspection Begin the visual inspection by cleaning the fifth wheel To degrease properly the lock should be in the closed position To close the lock push the bumper off its seat with a pry bar This provides cleaning access to the jaw and wedge Check and make sure the bracket pins on both sides of the fifth wheel are in place and secured by retainer pins and cotter pins E C in jd m i T m u 2 ah To close the lock push the bumper off its seat with a pry bar Be careful When the mechanism closes the handle moves in quickly After cleaning check the top plate mounting brackets mounting angles and all moving parts for cracks excessive wear loose or missing bolts or any other damage Check for securely fastened and properly working springs Sec A 6 800 874 9780 www fifthwheel com Preventive maintenance Step 2 Function inspection Begin with the fifth wheel in the unlocked position Pull handle to unlock fifth wheel if it is not open Insert a test kingpin such as Fontaine Kingpin Tool MSC 712 to close the lock Only minimal force is required to couple your Fontaine fifth wheel Make sure the ja
24. rock freely remove the top plate to inspect the liners Initial inspection of the bracket liners should be made at 200 000 miles and every 100 000 miles there after If necessary see bracket liner inspection and installation on next page FONTAINE PARTS CONNEC TION All models require the remaining lubrication steps First trip the wheel closed by pushing the bumper off its seat with a pry bar Be careful When the mechanism closes the handle moves in quickly Prior to greasing jaw and wedge trip the locking mechanism with a pry bar by pushing the bumper off its seat Keep your hands and arms out of the fifth wheel throat Next pull back slightly on the pull handle separate the jaw and wedge with a big screw driver and distribute grease between the jaw and wedge pressing it between the serrated surfaces Fontaine recommends a moly based lubricant such as Mobilegrease XHP320 or equivalent Kingpin contact area Also apply grease to the stationary jaw at the front of the throat Now work the lock mechanism back and forth several times to further distribute the grease Now lubricate the secondary lock and any other pivot points under the fifth wheel with a spray lube See lubrication points on page A 5 800 874 9780 www fifthwheel com F FONTAINE Preventive maintenance PARTS CONNECTION Now lubricate the top of the fifth wheel Bracket liner inspection and replacement
25. ute the grease Fontaine suggests the use of a moly based lubricant such as Mobilgrease XHP320 or equivalent when applying lubricant to the locking jaw and wedge Lightly oil other moving parts in the fifth wheel Kingpin Contact Area Separate the jaw and wedge with a screwdriver and press a moly based lubricant between the serrated surfaces moly based lubricant such as Mobilgrease XHP320 or equivalent Also press the lubricant in the kingpin contact area on both the stationary jaw and the moveable jaw Work the action of the pull handle back and forth to spread the lube over all the surfaces 3 For sliding fifth wheels lightly oil the locking mechanism Operate the mechanism air or manual several times to ensure it is functioning properly 4 Grease the top plate Spread grease all over the mating surface of the top plate Be sure the grease pockets built into the top plates are full of grease P FONTAINE PARTS CONNECTION C Operation 1 Manual model Fontaine s No Slack 7000 and 6000 series fifth wheel shown in Figure 1 opens by a straight pull on the release handle which releases the secondary lock automatically as the mechanism opens Spring on manual E 4 5 a models i se Ox x Pull handle 2 Air actuated model Fontaine s air actuated No Slack air actuated fifth wheel is shown below They open with a release valve located on the dash or in a lock box mounted on the rear of the
26. w and wedge are engaged behind the kingpin and the pull handle is fully retracted In the locked position the pull handle should be within one inch of the skirt of the wheel E Wedge in closed EE position Open and close the wheel again Look for a quick crisp closing action If the action is slow or sluggish it may be due to a build up of old grease or a bent part causing binding see trouble shooting section On air slide models activate air slide cylinder from the cab and check for proper operation and leaks Lightly lubricate the pivot points on the mechanism with a spray lubricant Be sure switch is in the locked position and the locking members are fully extended locked into the slide rail on both sides before the truck leaves the shop F p I FONTAINE PARTS CONNECTION Step 3 Adjustment Handle closed within 1 m m SET js gt UL i Verify that the pull handle is in fully locked position within 1 of the fifth wheel skirt Adjust the wedge stop rod With the wheel still closed on the kingpin tool push on the wedge stop rod until it touches the end of the wedge and let it spring back the wedge stop rod is spring loaded and should spring back out after you push it in This movement or free play should be one quarter of an inch when coupled to a 2 kingpin To adjust turn the wedge stop rod counter clockwise to increase the free travel or cloc
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