
002AZ005A
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TABLE OF CONTENTS
Page
8MAINTENANCE ........................................................................................................................................ 8 - 1
8.1 SCHEDULED MAINTENANCE ............................................................................................. 8 - 2
8.1.1 SCHEDULED MAINTENANCE CHART ............................................................................... 8 - 2
8.1.2 PERIODIC MAINTENANCE OPERATIONS ..........................................................................8 - 8
8.1.2.1 Drive unit ............................................................................................................................... 8 - 8
8.1.2.1.1 Checking the condition of the drive belts ...............................................................................8 - 8
8.1.2.1.2 Tensioning the forming unit transmission belts .................................................................... 8 - 8
8.1.2.1.3 Replacing the forming unit transmission belts ...................................................................... 8 - 8
8.1.2.1.4 Tensioning the insertion unit transmission belt......................................................................8 - 8
8.1.2.1.5 Replacing the insertion unit transmission belt ...................................................................... 8 - 9
8.1.2.1.6 Checking the oil level in the forming unit’s geared motor ..................................................... 8 - 9
8.1.2.1.7 Changing the oil in the forming unit’s geared motor ............................................................. 8 - 9
8.1.2.2 50 kg/h Extruder .................................................................................................................. 8 - 11
8.1.2.2.1 Overhauling the extruder auger .......................................................................................... 8 - 11
8.1.2.2.2 Checking the oil level in the extruder geared motor and topping up .................................. 8 - 12
8.1.2.2.3 Changing the oil in the extruder geared motor ................................................................... 8 - 12
8.1.2.2.4 Cleaning the nozzle............................................................................................................. 8 - 12
8.1.2.2.5 Checking and setting pressure transducers BP1 and BP2................................................. 8 - 14
8.1.2.3 100 kg/h Extruder ................................................................................................................ 8 - 16
8.1.2.3.1 Overhauling the extruder auger .......................................................................................... 8 - 17
8.1.2.3.2 Checking the oil level in the extruder geared motor and topping up .................................. 8 - 18
8.1.2.3.3 Changing the oil in the extruder geared motor ................................................................... 8 - 18
8.1.2.3.4 Cleaning the polymer metering pump ................................................................................. 8-18
8.1.2.3.5 Replacing/overhauling the polymer metering pump ........................................................... 8 - 18
8.1.2.3.6 Lubricating the universal joint ............................................................................................. 8 - 19
8.1.2.3.7 Cleaning the nozzle............................................................................................................. 8 - 19
8.1.2.3.8 Checking and setting pressure transducers BP1 and BP2................................................. 8 - 19
8.1.2.3.9 Checking the condition and tensioning the extruder drive belt ........................................... 8 - 21
8.1.2.3.10 Tensioning the extruder drive belt....................................................................................... 8 - 21
8.1.2.3.11 Replacing the extruder drive belt ........................................................................................ 8 - 21
8.1.2.3.12 Lubricating the extruder motor’s bearings .......................................................................... 8 - 21
8.1.2.4 150-200 kg/h Extruder......................................................................................................... 8 - 22
8.1.2.4.1 Overhauling the extruder auger .......................................................................................... 8 - 23
8.1.2.4.2 Checking the oil level in the polymer metering pump geared motor and topping up ......... 8 - 24
8.1.2.4.3 Changing the oil in the polymer metering pump geared motor .......................................... 8 - 24
8.1.2.4.4 Checking the oil level in the extruder thrust block and topping up ..................................... 8 - 24
8.1.2.4.5 Changing the oil in the extruder thrust block ...................................................................... 8 - 25
8.1.2.4.6 Cleaning the polymer metering pump ................................................................................. 8-25
8.1.2.4.7 Replacing/overhauling the polymer metering pump ........................................................... 8 - 25
8.1.2.4.8 Lubricating the universal joint ............................................................................................. 8 - 26
8.1.2.4.9 Cleaning the nozzle............................................................................................................. 8 - 26
8.1.2.4.10 Checking and setting pressure transducers BP1 and BP2................................................. 8 - 26
8.1.2.4.11 Setting pressure switch SP8 and pressure relief valve YV8 .............................................. 8 - 28
8.1.2.5 Insertion drum ..................................................................................................................... 8 - 30
8.1.2.5.1 Sharpening the blades ........................................................................................................ 8 - 30
8.1.2.5.2 Replacing the blades........................................................................................................... 8 - 30
8.1.2.5.3 Cleaning the cutters ............................................................................................................ 8 - 30
8.1.2.5.4 Replacing the cutters .......................................................................................................... 8 - 30
8.1.2.5.5 Cleaning the nozzles ........................................................................................................... 8 - 30
8.1.2.5.6 Replacing the nozzles ......................................................................................................... 8 - 32
8.1.2.5.7 Cleaning the compressed air distributor ............................................................................. 8 - 32
8.1.2.5.8 Replacing the compressed air distributor ........................................................................... 8 - 32
8.1.2.5.9 Checking the pre-load of the drum’s connecting rod .......................................................... 8 - 32
8.1.2.5.10 Adjusting the pre-load of the drum’s connecting rod .......................................................... 8 - 32
8.1.2.5.11 Replacing pulley A .............................................................................................................. 8 - 32
8.1.2.5.12 Removing cogged wheel B ................................................................................................. 8 - 34
8.1.2.5.13 Replacing cogged wheel C ................................................................................................. 8 - 34
8.1.2.5.14 Removing pulley D .............................................................................................................. 8 - 34