B-320-2-E
30
9.2 Register Disassembly
When you inspect or replace subassemblies, follow the procedure given below.
NOTE: 1. Size 29 single-case construction meter is shown here. The same procedure applies to other sizes.
2. Removing only the internal assembly, battery pack, solenoid valve unit, or sensor unit does not
require steps (1) and (2).
CAUTION: Stop supply air to the shutoff valve and disconnect air signal lines
beforehand.
(1) Take off four hex socket head bolts on register
sides, using hex wrench key.
(2) Carefully draw the register assembly out. Do so
in a straight line, exercising care not to bump the
sensor unit.
REGISTER SCREWS
(3) Take off four hex socket head bolts (M8) on the
front of register, using hex wrench key.
REGISTER
FRONT COVER
(4) Separate the register front cover from the register
body in a straight line carefully. (Use care not
to bump the front cover against the internal
assembly.)
INTERNAL ASSEMBLY
BATTERY
PACK
REGISTER BODY
REGISTER FRONT COVER
(5) Take off two screws (M4) securing the internal
assembly, using screwdriver.
INTERNAL ASSEMBLY
FACE PLATE
(6) Loosen #4 terminal screw and retainer screw of
the internal assembly with screwdriver and slide
the hold-down strip upward with screwdriver. To
prevent the hold-down strip from missing, turn it
90 deg. and install to the retainer again.
90° HOLD-DOWN STRIP
RETAINER
⇨
Continued on next page.
