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Gearbox ILG/D 

 

manual 

Rotork Gears bv 

5

9.

 

Fasten the gearbox to the valve with nut and ring. In case of use of bolts, for the maximum 
tappingdepth, see table 2. For tightening, refer to standard VDI 2230. 

 

PCD 

F05 

F07 

F10 

F12 

F14 

F16 

F25 

F30 

F35 

F40 

max. screw depth 

11 

13 

16 

18 

18 

18 

18 

30 

36 

 

table 2 : maximum tappingdepth per pitch center diameter 

 

 

10.

 

The 3/2-valve is optional and meant for gearbox mode detection. The 3/2 ventvalve is open (and vents 
to atmosphere) with the gearbox in manual mode. 

P

A

R

 

Figure 2 : port designation 

 

11.

 

The assembly is now ready for adjustment. (see chapter 3). 

 
 

3. 

Adjustment of the stopscrews 

 

The gearbox is mounted on top of the valve (see installation). 
 
1. 

In case of a pneumatic actuator, be sure the actuator depressurised. 

2.

 

Put the gearbox in the manual-mode by turning the handle 90 degrees counter clockwise (see 'operating' 
and/or figure 5: 1->2->3) 

3. 

Turn the valve into fully closed position by turning the handwheel clockwise.  

 

When the fully closed position can not be achieved, loosen the stopscrew-close (see figure 2). Continue 
turning the handwheel until the valve is fully closed. 

4.

 

Turn the screw back into the gearbox until blocked (handtight). Secure the stopscrew–close with the 
counternut. 

 

Figure 3 : ILG/D gearbox stopscrew adjustment 

5. 

Open the valve by turning the handwheel counter-clockwise. When the fully open position can not be 

Содержание ILG/D 100

Страница 1: ...MANUAL FOR INSTALLATION AND OPERATING for gearbox model ILG D 04 2011...

Страница 2: ...x ILG D manual Rotork Gears bv 2 1 Preface 3 1 1 Technical data 3 1 2 Handling and safety precautions 3 2 Installation mounting to the valve 4 3 Adjustment of the stopscrews 5 4 Operating 6 5 Maintena...

Страница 3: ...F07 26 250 ILG D 600 F07 F10 F12 F07 F10 F14 60 750 ILG D 900 F10 F12 F14 F10 F12 F14 125 1450 ILG D 1500 F12 F14 F16 F10 F12 F14 F16 160 2485 ILG D 2400 F14 F16 F12 F14 F16 188 3390 ILG D 5000 F16 F2...

Страница 4: ...allowable input and output torque refer to table 1 This manual describes the installation of the gearbox and its parts The intention of the ILG D gearbox is to operate the valve in case of a failing a...

Страница 5: ...er 3 3 Adjustment of the stopscrews The gearbox is mounted on top of the valve see installation 1 In case of a pneumatic actuator be sure the actuator depressurised 2 Put the gearbox in the manual mod...

Страница 6: ...xample from an ILG D gearbox 4 Operating The ILG D is a manual declutchable override quarter turn gearbox for double acting pneumatic or electric actuators For maximum allowable input and outputtorque...

Страница 7: ...laced see chapter installation for dismounting Return the gearbox to your supplier for repair 7 When you do the repair in house all replacement parts must be obtained from the manufacturer to assure p...

Страница 8: ...of turns to open close 5 Maintenance Under normal conditions the gearbox is maintenance free The Rotork Gears ILG D gearboxes can be used at ambient temperatures from 20 to 120 C Other temperature ran...

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