PR750H
MECHANICAL MAINTENANCE
Assembling the CO2 filter housing
2.
Assemble the filter housing. Take the endplate on the filter housing. Clean the thread and apply
Compound on all bolts. The bolts need to be tightened see Procedure for changing the extruder
piston on PR750H and PR350H
This section will describe changing the extruder piston on PR750H and PR350H.
During this operation it’s important
to activate the emergency stop button.
Disassembling the extruder plate changer
Remove one of the extruder plates
[
3
]
by loosening the 2 screws
[
4
]
and push out the extruder plate in the opposite
direction. Do also remove the outlet sprout
[
2
]
. Move the extruder plate changer so this empty slot is in front of the barrel
see instructions regarding operation in single mode below. The extruder plate changer
[
1
]
will be loosened during this
operation. So it’s important to put a strap around it to avoid any unnecessary hazard. The extruder plate changer can be
fixated as displayed below.
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