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Install the Mask to the PTV front. Install the Mask in a manner hooking up to both 2 Mask
Bracket Uppers and the Mask Bracket Lower. Simultaneously insert the projections of the
Mask into the square holes in the PTV Screen left and right.
Secure the Mask by fastening a screw for each from both sides of PTV.
Secure the 2 PTV Holders to the PTV front with the 2 screws for each.
FIG. 6. 1 b
FIG. 6. 1 c
MASK
TRUSS SCREW (2), black
M5×25, at washer used.
PTV HOLDER
SCREW (2 each)
M5×16, w/at & spring washers