S ERVICE MANUAL 40/45HR MS/MT Standard and Triple Stage Pantograph Mast and Pantograph FOR PARTS AND SERVICE: TELEPHONE: (888) 946-3330 Manual Number 246552 R2 Contents Cover ................................................................................................................................................................................................................................................................................................................................... 1 Special Definitions ............................................................................................................................................................................................................................................................................................................. 4 Introduction ........................................................................................................................................................................................................................................................................................................................ 4 Section 1 ............................................................................................................................................................................................................................................................................................................................. 4 Truck System ...................................................................................................................................................................................................................................................................................................................... 5 Requirements ..................................................................................................................................................................................................................................................................................................................... 5 Mounting Bracket ............................................................................................................................................................................................................................................................................................................... 5 Installation .......................................................................................................................................................................................................................................................................................................................... 5 Section 2 ............................................................................................................................................................................................................................................................................................................................. 5 Mast Installation ................................................................................................................................................................................................................................................................................................................. 6 Mast Inspection .................................................................................................................................................................................................................................................................................................................. 7 Chain Lubrication ............................................................................................................................................................................................................................................................................................................... 7 Upright and Carriage Position, Chain Tension ................................................................................................................................................................................................................................................................. 7 Channel Lubrication .......................................................................................................................................................................................................................................................................................................... 8 Mast Skewing ..................................................................................................................................................................................................................................................................................................................... 8 Periodic Maintenance ........................................................................................................................................................................................................................................................................................................ 9 100 - Hour Inspection ......................................................................................................................................................................................................................................................................................................... 9 200 - Hour Inspection ......................................................................................................................................................................................................................................................................................................... 9 Daily Inspection .................................................................................................................................................................................................................................................................................................................. 9 500 - Hour Inspection ....................................................................................................................................................................................................................................................................................................... 10 Troubleshooting Chart ..................................................................................................................................................................................................................................................................................................... 11 Mast Removal ................................................................................................................................................................................................................................................................................................................... 12 Cylinders ........................................................................................................................................................................................................................................................................................................................... 13 Main Lift Cylinder ............................................................................................................................................................................................................................................................................................................. 13 Description ....................................................................................................................................................................................................................................................................................................................... 13 Free Lift Cylinder .............................................................................................................................................................................................................................................................................................................. 14 Description ....................................................................................................................................................................................................................................................................................................................... 14 Cylinder Operation ........................................................................................................................................................................................................................................................................................................... 15 Main Lift Cylinder Service ............................................................................................................................................................................................................................................................................................... 16 Disassembly ....................................................................................................................................................................................................................................................................................................................