APV DELTA DA3+ SLD, Руководство по эксплуатации

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16
UK
DELTA DA3SLD-UK0.qxp / 12.2007
Double Seat Mixproof Valve with Seat Lift Detection
DELTA DA3+SLD
Operating Manual: Rev. 0
10. Service Instructions
The spring cylinder (8) is
preloaded by spring force.
Opening of the spring cylinders
is strictly forbidden.
D a n g e r t o l i f e !
!
10.3 Actuator (Service)
a. Dismantle actuator (seat lift cylinder (10) , main cylinder (9)
and spring cylinder (8) from the valve insert as described
in 10.2 a.-h.
b. Remove the hexagon screws (23) .
Lift the seat lift cylinder with the main cylinder from the spring
cylinder.
10.3.1 Dismantling of seals and disassembly of the seat lift
and main cylinder
a. Lift the seat lift cylinder (10) from the main cylinder (9) .
Push the piston rod (24) out of the seat lift actuator.
b. Remove the piston seal (27) , quadrings (22, 26) , guide band (25)
and o-ring (29) .
c. Clean the seat lift cylinder and the piston rod.
d. Press the piston of the main cylinder (30) with cover (31) out of
the main cylinder. Slide the cover from the piston.
e. Remove the quadrings (26) , o-ring (29) and piston seal (27).
f. Clean the main cylinder, cover and piston.
10.3.2 Installation of seals and assembly of the seat lift
and main cylinder
a. Slightly grease all seals.
Attention: See to all seals and bearing surfaces in the seat
lift cylinder and main cylinder being greased
sufficiently!!! (s. lubrication chart: RN 260.064-1)
- Use appropriate pneumatic grease.
Recommendation for the actuator (main cylinder):
APV pneumatic grease: (25 ml tube - ref.-No. 000-70-01-008/93)
b. Insert the seals into their corresponding grooves.
c. Insert the piston rod (24) in the seat lift actuator.
d. Slide the piston of the main cylinder (30) into the main cylinder
until it stops.
e. Slide the cover (31) over the piston (26) . Press the cover into the
main cylinder.
f. Place the seat lift cylinder on the main cylinder:
The cylindrical dowel pin
(28) must engage in the bore of the
housing of the main cylinder.
g. Place the main cylinder with the seat lift cylinder on the
spring cylinder
(8) .
h. Insert the hexagon screws (23) and tighten them crosswise.
actuator DA3SLD
23
24
10
25
26
9
29
30
22
26
8
29
31
27
27
26