.
If the output drive type A is already mounted to the gearbox: Loosen
screws [3] and remove output drive type A [2].
.
Check if the flange of output drive type A matches the valve flange [4].
.
Apply a small quantity of grease to the valve stem [1].
.
Place output drive type A on the valve stem and turn until it is flush on the
valve flange.
.
Turn output drive type A until alignment of the fixing holes.
.
Screw in fastening screws [5], however do not completely tighten.
.
Fit gearbox on the valve stem so that the stem nut dogs engage into the
output socket.
The flanges are flush with each other if properly engaged.
.
Adjust gearbox until alignment of the fixing holes.
.
Fasten gearbox with screws [3].
.
Fasten screws [3] crosswise with a torque according to table 2.
.
Turn gearbox and actuator with handwheel in direction OPEN until valve
flange and output drive type A are firmly placed together.
.
Tighten fastening screws [5] between valve and output drive type A
crosswise applying a torque according to table 2.
Protection tube for rising valve stem
.
Seal thread of protection tube with hemp, Teflon tape, or thread sealing
material.
.
Screw protection tube (1) into thread (figure 6) and tighten it firmly.
.
Push down the sealing (2) to the housing.
.
Check whether cap (3) is available and without damage.
.
10
Spur gearboxes GST 10.1 – GST 40.1
Operation instructions
3
1
2
Figure 6: Protection tube for rising valve stem
Ouput
drive
A 07.2
A 10.2
A 14.2
A 16.2
A 25.2
A 30.2
A 35.2
A 40.2
Qty
1)
1.5 g
2 g
3 g
5 g
10 g
14 g
20 g
25 g
1) For grease with density
ρ
= 0.9 kg/dm³
Table 3: Grease quantities bearings output drive type A
Содержание GST 10.1
Страница 1: ...Multi turn gearboxes Spur gearboxes GST 10 1 40 1 Operation instructions...
Страница 16: ...12 Spare parts list Spur gearboxes GST 10 1 GST 16 1 16 Spur gearboxes GST 10 1 GST 40 1 Operation instructions...
Страница 18: ...13 Spur gearboxes GST 25 1 GST 40 1 18 Spur gearboxes GST 10 1 GST 40 1 Operation instructions...