10
(11)Apply a small amount of vacuum grease over a length of 5mm
at each end of the connecting tube, and push the connecting tube
onto the connectors as far as possible to connect the two pump
heads (Photo.10).
(12)Place the connected pump heads on the casing and fix in
place with the hexagon socket head cap screws (M6 x 25).
Caution: Tighten the hexagon socket head cap screws
(M6 x 25) equally in diagonally opposite pairs to a torque
of 12N
･
m.
Caution: Take care to ensure that the connected heads are
fitted in the correct orientation (Photo.11).
(13)Place the top panel in position, and fix in place with the truss head screws (M4 x 10).
(14)Lay the pump horizontally and fix the front panel in place with the truss head screws (M4 x 10).
(15)Stand the pump upright and fit the inlet and outlet pipes.
1 -2). DTC-41K
Replace diaphragms in accordance with '1-1). DTC-41 ' steps (4)~(12).
2) Replacing Inlet and Outlet Valves (simultaneous replacement of both diaphragms is
recommended)
Use tools No.1, 2, 3, 4, 6 and 7.
2-1). DTC-41
(1)Remove the front panel, top panel, and pump head cover
in accordance with steps (1)~(5) in '1) Replacing diaphragms'.
(2)Remove the hexagon socket head cap screws (M5 x 20),
separate the pump head and valve retainer, and remove the
inlet and outlet valves (Photo.12).
(3)Disassemble the other pump head in the same manner,
and remove the inlet and outlet valves.
(4)Clean the pump heads and valve retainers with solvent.
(5)Fit the new inlet and outlet valves as shown in Photo.13.
Caution: Check that the number of valves installed is correct, and whether or not the installed valves
include holes (Photo.13).
Photo.10
Fig.10
Hexagon socket
head cap screws
(M6 x 25)
To
s
wit
c
h
To
f
a
n
Photo.11
Hexagon socket
head cap screws
(M5 x 20)
Valve retainer
Photo.12
