Flowserve EV 30 - Manual (Page 16)

16
Bottom Valve with Operating Mechanism
– continued –
See Fig. 5
7. Attach support to operating mechanism by using a pin.
8. Position base plates and with shaft and as specified on page 6
(for dimensions refer to Fig. 5 B) to the tank car.
Size connecting sleeves and (not included in GESTRA consignment)
according to the formulae for length X =
L
2 – 168 and Y = L
2 – 230 and provide their
ends with holes as specified in Fig. 5 (
∅
10 H11 mm).
9. Put lever onto shaft . The linear size of the connecting rod should be
420 – 450 mm (cf. Fig. 5 B) for basic adjustment. Attach connecting rod to
levers and . Put connecting sleeves and between base plates
and and shaft .
Attention
Make sure that lever is at the limit stop.
Mark position of hole on shaft for pin of lever . Withdraw connecting sleeves
and . Remove shaft from support and connecting rod from
lever . Drill a hole
∅
10 H11 mm at the marking in the shaft using a
pillar drilling machine.
10. Mount shaft in support . Put lever onto shaft and secure with a pin.
Place connecting sleeves and between shafts and . Attach
connecting rod to levers and . If the connecting rod does not fit
properly turn the setting screws to adjust the correct linear size.
Attention
After the adjustment re-tighten firmly all nuts of the connecting rod .
Note that one of the two threaded rods fitted in the connecting rod
features a left-hand thread.
11. The two indicators must point to the position
CLOSED
(see Fig. 5 A). Attach
connecting sleeves and to shafts and using a pin and a split pin.
Drill a hole
∅
10 H11 mm in shaft . Attach shaft to connecting sleeves
and by means of a pin and split pin.
12. Turn the locking hook clockwise. Pull the hand lever towards the indicator
and connect the hand lever with the indicator. Press down the hand lever to
open the bottom valve. When the valve is open the locking hook engages
into the locking guide , keeping the bottom valve in the open position.
When the valve is open the lift of the valve disc must be 37
-2 mm. If the locking
hook does not engage at the rear of the locking guide grind off the bottom
edge of the locking guide until the locking hook engages.
A
6
B
L
L
L
R
L
L1
L
R1
A
4
A
5
A
1
A
7
A
2
A
2
A
1
B
1
A
4
A
5
L
L
L
R
A
7
B
1
A
7
A
1
A
4
A
6
A
7
A
7
A
5
A
1
A
7
A
2
A
6
A
1
A
7
A
4
B
1
L
L1
A
2
A
1
A
2
A
5
L
R1
A
3
A
2
A
2
M
A
4
A
5
L
L1
L
R1
A
7
Y
A
5
A
4
N K M
K
N
N
1
N
1
N