BI620114
Service Manual
5TH WHEEL ADAPTOR The roof support trailer tow point is specifically designed to attach the machine to a heavy load trailer such as one for transporting longwall roof supports. The RAS attach plate is fitted with a 5th wheel mechanism for minimising component strain when hauling heavy loads. The tow point is rated for a 65000 kg roof support trailer with a maximum vertical load of 15000 kg. Specification Unladen Mass: Width: Height: Length: Operating Grade (side to side):
1500 kg 1180 mm 1500 mm 1100 mm 1:8
Servicing Every time the RAS tow point is used a visual inspection should be carried out to ensure that the locking and retention components are in good condition. 1. 2. 3. 4. 5.
Check the tow point RAS attach hooks for damage. Check the RAS lock tongue slot and 5th wheel centre for damage or excessive wear. Check that the 5th wheel assembly fasteners are secure and check the 5th wheel assembly for signs of cracking or damage. Check that the RAS lock tongue is fully engaged in the RAS plate lock tongue slot. Check that 5th wheel assembly are free to rotate and release and lock function need to be tested.
Grease 5th wheel assembly every 125 service hours. It is recommended that non destructive structural integrity testing be carried out annually on the RAS lock tongue slot, the RAS attach hooks and 5th wheel assembly. Three step part dye penetrate testing is recommended. 1. 2. 3.
Thoroughly clean and degrease the lock tongue slot plate, RAS attach hooks, and 5th wheel assembly. Allow to dry. Apply the three step non-destructive test as per the manufacturer’s recommendations. Record or mark any suspect areas and have the repair carried out promptly.
Do not use 5th wheel attachment if defects found with the structure or towing components. Losing the trailer when operation could cause serious damage and personal injure. Report the faults immediately to a supervisor and have the fault repaired and verified before use.
Rev. 2
FBL-10 LHD/Utility Serial No. 1600
339
