Samson 3372 - Page 49

EB 8313-3 EN 9-7
Service and conversion work
8. Check whether the springs (A10) rest
correctly in the bottom diaphragm case
(A2).
9. Apply a suitable lubricant to the actuator
stem (A3).
10. Place the actuator stem (A3) together
with the diaphragm plate (A14), dia-
phragm (A18) and diaphragm plate
(A13) in the bottom diaphragm case
(A2). Make sure that the radial shaft seal
(A2.2) is not damaged.
11. Place on the top diaphragm case (A16).
12. Fasten the top and bottom diaphragm
cases (A16, A2) together using the nuts
(A24) and bolts (A22). Place on the
screw-on cap (A21). Observe tightening
torques.
b) 350cm² version
Version with direction of action "actuator
stem extends"
1. Lift off the top diaphragm case (A1) and
remove springs (A10).
2. Pull the actuator stem (A7) together with
the diaphragm plate (A5) and dia-
phragm (A4) out of the bottom dia-
phragm case (A2).
3. Unscrew the collar nut (A15).
4. Take the compressor (A27), diaphragm
plate (A5) and diaphragm (A4) off the
actuator stem (A7).
5. Place the new diaphragm on the dia-
phragm plate (A5).
6. Place the compressor (A27) onto the ac-
tuator stem (A7).
7. Check the sealing element on the collar
nut (A15). If necessary, renew it.
8. Tighten the collar nut (A15). Observe
tightening torques.
9. Apply a suitable lubricant to the actuator
stem (A7).
10. Insert the actuator stem (A7) together
with the diaphragm plate (A5) and dia-
phragm (A4) into the bottom diaphragm
case (A2). Make sure that the radial
shaft seal (A40) is not damaged.
11. Place the springs (A10) into the bottom
diaphragm case, centering them in the
intended recesses.
12. Place on the top diaphragm case (A1).
13. If necessary, preload the springs (see the
'Start-up' section).
14. Fasten the top and bottom diaphragm
cases (A1, A2) together using the nuts
(A21) and bolts (A20). Observe tighten-
ing torques.
Version with direction of action "actuator
stem retracts"
1. Lift off the top diaphragm case (A1).
2. Pull the actuator stem (A7) together with
the diaphragm plate (A5) and dia-
phragm (A4) out of the bottom dia-
phragm case (A2).
3. Unscrew the collar nut (A15).
4. Take the compressor (A27), diaphragm
plate (A5) and diaphragm (A4) off the
actuator stem (A7).