Table of contents Page General information General information Safety information Applications and features o i t Specific operating instructions o i t Technical features y t i l ( r c t i Specific maintenance instructions o i t Tightening torques MA Lubricants Adhesives Maintenance...
The same applies to o-rings removed during dismantling. Do not use any spare/wear parts and/or oils & lubricants not specifically recommended in the Honeywell operating and aintenance instructions. In the event spare/wear parts and/or oils & lubricants other than those specifically recommended are used, Honeywell shall not be held liable for any defects and/or consecutive damages attributable to such use of illegal parts, lubricants, oils etc.
Air / fuel gas mixture not rich enough too rich Ratio increase the mixing gap reduce the mixing gap Precautions HON 985A-100/50-ZW-N-NI Gas 2 (Fuel gas) Constriction device (torpedo) Gas 1 (Air) Stepper motor...
Specific operating instructions 2.1 High frequency radiation exposure (comment on application at gas engine) Possible faults due to high frequency radiation exposure (e.g. from the coil and its cable) Note must be prevented for the proper response of the proximity sensors and stepper motor, e.g.
Colours of the wires a – red b – red/white c – black/white d – black e – green f – green/white g – yellow/white h – yellow Fig 3: Connection diagram of the stepper motor Technical features of the proximity sensor (limit switch) for Venturi position Inductive sensor Counter nut Straight socket...
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Dimensional drawing HON 985A-100/50-ZW-N-NI Gas connection 2 Stepper motor connection Ø I Fuel gas Gas connection 1 Air connection (hose) Mixture connection Ø 122 305 approx. Comments: (13) Inspection glass Flow direction Variable torpedo diameter (see spare parts list) Induction elbow can be installed at any angle position in relation to the driving axle Pressure measurement M14 x 1.5 connection possibility...
Specific maintenance instructions Danger Do not carry out maintenance unless the system is safely de-energised and depressurised. Intervals for maintenance purposes The intervals between maintenance tasks depend largely on the operating conditions of the device. For this purpose, please observe chapter 1.1. General Information. If operational irregularities are discovered during the operation or during functional tests, unplanned Note maintenance work on the mixer is required.
Maintenance With the description of the individual maintenance steps, the same position numbers are used here for the identification of the component as can be found in the spare parts drawing (page 12) and the spare parts list (page 13 and 14). For simple, easy maintenance work, we recommend following the sequence of the individual steps.
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Dismantling the Venturi insert Loosen the cylinder screw on the profile clip (132) and remove it. Separate the induction elbow (133) from the mixer body (130). Carefully separate the parts from one another in order to prevent damage to the Caution pin (105) by bending, etc.
Mounting the drive unit With moderate pressure on the pin (105), push the venturi insert (101) into the vertically positioned mixer body (130) up to the mechanical stop. Then place the threaded rod (111) on the end of the pin up to the mechanical stop. In the process, it must be ensured that the threaded rod is positioned over its hole in the fixing washer of the cylinder pin (134).
Spare parts Spare Parts Drawing HON 985A -100/ 50-ZW-N-NI 985.29-2 p.12...
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Spare parts list HON 985A-100/50-ZW-N-NI i r u o i t n i l n i l , e l n i l y t i n i l Flange DN 40, alternatively: Parts should be held in stock for maintenance purposes German abbreviations stand for the following materials: .
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Item Denomination Number W Materials Part no. Torpedo, optional: ø ø ø ø ø n i r fi o p i l o i t n i l 985.29-2 p.14...
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Parts for maintenance purposes d i l n i r t l e t l e c i l p i l 985.29-2 p.15...
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For More Information To learn more about Honeywell’s Advanced Gas Solutions, visit www.honeywellprocess.com or contact your Honeywell account manager GERMANY Honeywell Process Solutions Honeywell Gas Technologies GmbH Osterholzstrasse 45 34123 Kassel, Germany Tel: +49 (0)561 5007-0 HON 985.29_2 2017-01 Fax: +49 (0)561 5007-107...