CHANGING THE MOTOR PISTON (with pressure off) - cont...
Models DI 16, DI 150, DI 110
- Turn off the water supply.
- Unscrew the retaining ring (Fig.
40-B).
- Pull downwards to remove the
injection sleeve and stem (Fig. 41).
- Unscrew and remove bell-housing by
hand (Fig. 42).
Fig. 40
Fig. 41
B
B
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- The piston plunger now being acces-
sible, unscrew it by hand (Fig. 43-G).
- Remove the motor piston (Fig.
43-M) by pulling it up.
- Reassemble in the reverse order to
the above.
- Refit the bell-housing and tighten
by hand.
Fig. 42
Fig. 43
M
G
M
G
CHANGING THE DOSING SEALS
Please refer to the drawings of the different models at the end of this
manual
- Change the seals once a year.
- Turn off the water supply and allow the pressure to drop to zero.
- Take off the suction tube of product, remove the injection assembly as des-
cribed in the previous chapter.
- Pull downwards to remove the injection assembly.
- Change the seals, the suction valve and the barbed fitting.
- Re-assemble in the reverse order to the above by hand.
Reference Designation
REF.
Serial #
REF. : .................................................................... Serial #: ..........................................................
EXAMPLE
DI 2
BP
Type of DOSATRON
BP : integrated by-pass
V : Viscous Products
(200-400 cSt)
Dosing Seals:
AF = PH 7-14
VF = PH 1-7
Motor :
PY = motor PY
Couleur : - = Blue
P = White
R = Red
V = Green
J = Yellow
O = Orange
H = Hastelloy
Other extensions
(consult us)
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V
AF
PY
P
H
ii