Martin DT2 Operator's Manual page 14

Martin Engineering M3699-03/16
6. On the far side, snug down the 3 set screws to keep mandrel from sliding
while installing mainframe.
The mainframe mandrel has holes at one end. This is the end
that fastens to the operator side mount.
The mainframe mandrel will have excess length in most cases.
If required, this excess can be trimmed from the far side end.
10
NOTE
NOTE
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Martin DT2 Inline Cleaner XHD