At an interval of approximately 6 months: Check for corrosion. If first signs of corrosion show, apply new corrosion protection. Rotork Gears BV - Nijverheidstraat 25 - 7581 PV Losser The Netherlands - Tel: +31 (0)53 5388677 - Fax: +31 (0)535383939 Mail: info@rotorkgears.nl - Web: www.rotork.com...
Rotork Gears BV is using a silicone low volatile liquid seal between cover lid and body. Loosening the top bolts of the cover plate from the gearbox can break the seal resulting to leakage. Rotork Gears BV will not be held liable when the top bolts are opened without notification.
It is recommended to mount a handwheel or chainwheel on the inputshaft prior to assembling the gearbox to the valve. Figure 3: mounting handwheel Rotork Gears BV - Nijverheidstraat 25 - 7581 PV Losser The Netherlands - Tel: +31 (0)53 5388677 - Fax: +31 (0)535383939 Mail: info@rotorkgears.nl - Web: www.rotork.com...
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Figure 5: Standard position of driveshaft form A Figure 6: Position of driveshaft optional form B used for couplings for maximum stem acceptance Rotork Gears BV - Nijverheidstraat 25 - 7581 PV Losser The Netherlands - Tel: +31 (0)53 5388677 - Fax: +31 (0)535383939 Mail: info@rotorkgears.nl - Web: www.rotork.com...
Mount the chain after you have fixed the gearbox to the valve. Connect the loose ends of the chain with the supplied splitlink (see figure 9) Rotork Gears BV - Nijverheidstraat 25 - 7581 PV Losser The Netherlands - Tel: +31 (0)53 5388677 - Fax: +31 (0)535383939 Mail: info@rotorkgears.nl...
Loctite Threadlock 242. It is also important to lock the screws properly with a torque according to the table below. Rotork Gears BV - Nijverheidstraat 25 - 7581 PV Losser The Netherlands - Tel: +31 (0)53 5388677 - Fax: +31 (0)535383939 Mail: info@rotorkgears.nl...
Options: Other types of grease (low temperature, food, silicone free or high temperature) on request Rotork Gears BV - Nijverheidstraat 25 - 7581 PV Losser The Netherlands - Tel: +31 (0)53 5388677 - Fax: +31 (0)535383939 Mail: info@rotorkgears.nl - Web: www.rotork.com...
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To prevent unauthorized people to operate the gearbox (padlock material GG25 cast iron) other material types on request. Table 6: Standard conditions and options Rotork Gears BV - Nijverheidstraat 25 - 7581 PV Losser The Netherlands - Tel: +31 (0)53 5388677 - Fax: +31 (0)535383939 Mail: info@rotorkgears.nl - Web: www.rotork.com...
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