Hitachi PB - Gutter Base Group Replacement Procedure

5-13
5.7 Gutter base group Replacement Procedure
When damaging the gutter and the gutter base, the gutter base group must be replaced.
Perform it by the following procedure.
(1) Unloosed the gutter base setscrews and remove the gutter base group from the head
base.
①The O-ring P2.2 is disposed between the gutter base group and the head base.
(2) Remove the APH shield and attach it to a new gutter base group.
(3) Put the O-ring P2.2 into the gutter base.
(4) Attach the gutter base on the head base.
Two gutter base setscrews
APH shield
O-ring P2.2
Head base
Gutter base