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!
This manual contains important safety information. Please ensure it is
thoroughly read and understood before installing the gearbox.
!
This manual is produced to enable a competent person to install, operate,
adjust and inspect Rotork gearboxes. Only persons competent by virtue of
their training or experience should install, maintain and repair Rotork
gearboxes.
!
The gearbox weight is recorded on the packaging and on a label attached to
the gearbox.
!
WARNING: Gearbox may present an unbalanced load.
!
WARNING: With respect to handwheel operation of Rotork gearboxes, under
no circumstances should any additional lever device such as a wheel-key or
wrench be applied to the handwheel in order to develop more force when
closing or opening the valve as this may cause damage to the valve and/or
gearbox or may cause the valve to become stuck in the seated/backseated
position.
!
WARNING: Damage to protective coatings should be correctly rectified and
may invalidate warranty.
RG-INSTALL-009 / PUB027-027_0917
Date 26/09/2017
Gearbox Installation Manual
Rotork Gears IW, MOW, MTW, IB and IS ranges
(Electronic copy available on www.rotork.com)
Page 1 of 15
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Summary of Contents for rotork IW Series
- Page 1 This manual is produced to enable a competent person to install, operate, adjust and inspect Rotork gearboxes. Only persons competent by virtue of their training or experience should install, maintain and repair Rotork gearboxes.
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Page 2: Table Of Contents
Contents Introduction ............................... 3 Health and Safety ............................. 3 Storage ..............................3 Unpacking ..............................3 Handling ..............................3 Installation & Maintenance of Worm Combinations ................4 6.1. Output Sleeve Removal, Machining and Re-Fitting ..............4 Important Notes in Figure 2: ........................... 4 6.2. -
Page 3: Introduction
Should further information and guidance relating to the safe use of the Rotork products be required, it will be provided on request. The mechanical installation should be carried out as outlined in this manual and also in accordance with relevant standards such as British Standard Codes of Practice. -
Page 4: Installation & Maintenance Of Worm Combinations
6. Installation & Maintenance of Worm Combinations 6.1. Output Sleeve Removal, Machining and Re-Fitting Gearbox sizes IW12 to IW16 have an output which is directly machined as specified with the order. All other worm gearbox combinations have a removable output sleeve. See Item 1, Figure 1. Figure 1 shows the removal of the output sleeve from the gearbox. - Page 5 Figure 3 - O-Ring Inspection Referring to Figure 3, O-rings (6) and (7) are to be inspected for damage, greased and properly seated before re-fitting the output sleeve. If the O-ring is damaged then it should be replaced prior to fitting the output sleeve.
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Page 6: Mounting To The Valve
Apply a thin coat of silicon sealant to the top face of the output sleeve. Place the indicator on the output sleeve, with the indicator pointer in the correct orientation if applicable. Engage each screw through the indicator and output sleeve into the tappings in the gear quadrant. Fasten the screws evenly. As the screws start to tighten, press down on the indicator plate to extrude any excess sealant. -
Page 7: Baseplate Thread Depths
6.3. Baseplate Thread Depths Min Thread Max Drill Gearbox Base Depth Depth F/FA10, F/FA12 IW3 / MOW3 F/FA14, F/FA16 F/FA12, F/FA14 IW4 / MOW4 F/FA16 F/FA14, F/FA16 IW5 / IW52 / MOW5 F/FA25 F/FA25 F/FA16, F/FA25 IW6 / IW62 / IW63 / F/FA16, F/FA25, F/FA30 MOW6 F/FA30... -
Page 8: Worm Combination Maintenance
Fuchs Renolit EPLITH 00 -10°C to +120°C Table 2 - Recommended Lubrication for Worm Gearboxes An equivalent extreme pressure lubricant may be used. For extreme temperature applications, please consult Rotork Gears. RG-INSTALL-009 / PUB027-027_0917 Page 8 of 15 Date 26/09/2017... -
Page 9: Installation & Maintenance For Multi-Turn Ib & Is Combinations
Figure 6, before inserting the output sleeve back into the gearbox. For clarification on the suitability of an anti-friction compound, please contact Rotork Gears. Referring to Figure 7 below, note that the output sleeve arrangement is identical for IB and IS gearboxes. -
Page 10: Mounting To The Valve
(15). This will stop the output sleeve assembly from becoming detached from the main body. The bolts and washers are not supplied by Rotork Gears. If the gearbox has been supplied with a handwheel, it is recommended that this be fitted to the gearbox before mounting onto the valve. -
Page 11: Gearboxes Ib2 To Ib13 And Is2 To Is13, Is15 And Is17
‘*’ and highlighted in in figure 11, before inserting the output sleeve back into the gearbox. For clarification on the suitability of an anti-friction compound, please contact Rotork Gears. RG-INSTALL-009 / PUB027-027_0917 Page 11 of 15... -
Page 12: Gearboxes Ib14 And Is14, Is16, And Is18-Is21
7.2.2. Gearboxes IB14 and IS14, IS16, and IS18-IS21 In addition to the points in Section 7.2.3, it is recommended that the cylindrical roller bearings and machined output sleeve are assembled onto the valve stem first and then the gearbox lowered to locate on the output sleeve assembly. -
Page 13: All Ib And Is Gearboxes
9, before inserting the output sleeve back into the gearbox. For clarification on the suitability of an anti-friction compound, please contact Rotork Gears. Note: All thrust elements and bearing cavities must be re-greased and re-fitted in the correct order. The recommended lubricant is shown in Table 4. -
Page 14: Paint Repair Procedure
Gearbox Manufacturer Name Temperature Range IB and IS Fuchs Renolit CL-X2 -60°C to +120°C Table 4 - Recommended Lubrication for Bevel and Spur Gearboxes An equivalent extreme pressure lubricant may be used. For extreme temperature applications, please consult the factory. 8. -
Page 15: Handwheel Types
10. Handwheel Types Handwheel Type - Weight Kgs (lbs) F/FS Size in mm (Pressed (Steel - (Stainless (Steel - (Cast) Steel) Welded) Steel) Welded) 0.11 (0.24) 0.21 (0.46) 0.32 (0.71) 0.15 (0.33) 0.54 (1.19) 0.2 (0.44) 1 (2.20) 0.4 (0.88) 0.35 (0.77) 1 (2.20) 0.75 (1.65)
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