CHANGING THE MOTOR PISTON (with pressure off)
- Turn off the water supply and allow the pressure to drop to zero.
- Remove the injection assembly as previously described.
- Unscrew and remove bell-housing by hand (Fig. 24-C).
- Remove the motor piston (Fig. 24-M) by pulling it up, paying particular
attention to the seal (Fig. 24-J).
- Change and reassemble in the reverse order to the above.
- Refit the bell-housing (take care not to damage its seal) and tighten by hand.
- Refit the injection part assembly.
Fig. 24
D8R
C
M
©
DOSATRON INTERNATIONAL / 50
Ref. / Serial #
D8R150
C
M
J
Reference Designation
D8RVF06140745
REF. / Serial # : ................................................................................................................................
EXAMPLE
D8R
BP
Type of DOSATRON
BP : integrated by-pass
V : Viscous Products
(200-400 cSt)
Dosing seals :
AF = PH 7-14
VF = PH 1-7
Colour : - = Blue
P = White
R = Red
V = Green
J = Yellow
O = Orange
H = Hastelloy
Other extensions
(consult us)
©
DOSATRON INTERNATIONAL / 51
D8RVF06140745
V
AF
P
H
ii