Flowserve EV 30 - Manual (Page 20)

20
Bottom Valve: Replacing Gasket
– continued –
Operating Mechanism: Retightening Stuffing Box
12. Remove fixing pin from the hole and close the bottom valve.
13. Put bayonet base cap into bayonet socket pipe and secure with bolts.
14. Attach connecting rod to bottom valve.
See Fig. 7
Normally it is not necessary to re-tighten the stuffing box between tank car
inspections.The stuffing box is, to a certain degree, self-tightening.
Inserting additional packing ring:
1. Undo screwed union , six-point socket of spanner: 55 A. F
2. Take disk springs and pressure pad off the stuffing box.
3. Insert additional packing ring.
4. Put gland and disk springs onto the stuffing box.
5. Fasten screwed union to stuffing box and preload disk springs.
Vent Valve: Exchanging Gasket
See Fig. 4, 8
1. Loosen connecting rod (linked with and ) from the bottom valve.
2. Detach internal gas balance pipe from valve mounting flange or pipe socket.
3. Undo the four fixing screws of the vent valve.
4. Detach the connecting rod from the driving pin of the vent valve.
5. Remove bayonet base cap by pulling it down and turning it anticlockwise out
of the bayonet socket pipe .
B
2
Y
R O
B
2
G
2
G
3
G
4
T S U
Required spare parts:
Designation Material Ref. no.
Gasket FPM 049230
Gasket PTFE 048571
Please state the reference number when ordering these parts at GESTRA.
Required spare parts:
Designation Material Ref. no.
Packing PTFE 048648
Please state the reference number when ordering these parts at GESTRA.