Raypak RAYTHERM 0133-4001 Installation And Operating Instructions Manual

Also see for 0133-4001: Installation and operating instructions

Raypak RAYTHERM 0133-4001 Installation And Operating Instructions Manual Manual pdf 39 page image

CONTROL WELL REPLACEMENTRemove top, sensing bulb and clip. Collapse welltube at the opening with a chisel, push through intoheader and remove the well through header. Insert anew well and roll into place. If a roller is not available,solder the well in place with silver solder.TUBE REPLACEMENT PROCEDURE1. Remove heat exchanger from boiler followinginstructions outlined under HEAT EXCHANGERREMOVAL above.2. Remove in/out and return headers. Remove"V" baffle from damaged tube.3. Remove damaged tube by cutting with a hack sawor shearing with a chisel adjacent to each tubesheet.4. Collapse stub ends in tube sheets using a chisel orscrewdriver. DO NOT cut into tube sheet or marsurface in tube hole in any way.5. Insert replacement tube by inserting the end withthe most fins removed in the opening of one tubesheet. Slide tube until the opposite end clears theother tube sheet and fit the tube into the hole.6. Insert the tube roller into tube opening up to stop,making certain that 1/8" of tube projects beyondthe tube sheet.7. Attach drill to tube roller, holding it straight andlevel.Note: Use a 3/8" heavy duty, reversible, electric drill orlarger. Proceed to expand tube until tool starts to grab.Approximately 1/2 to 1" of the tool shank will be visible.8. Reverse drill motor and withdraw tube roller. Ifnecessary wrench out by hand.9. DO NOT apply excessive torque during rollingoperation and avoid thinning any wall of the tubebeyond 0.015".10. Use same procedure on opposite end.11. Apply line pressure test. Re-roll if necessary.12. Reinstall as outlined under HEAT EXCHANGERRE-ASSEMBLY.CLEANING FLUE GAS PASSAGEWAYSSoot will clog areas behind fins and cause eventualtube failure. Any sign of soot at base of burners oraround outer jacket indicates a need for cleaning.1. Lift off drafthood and flue collector by removingbolts and screws.2. Remove "V" baffles from heat exchanger.3. Remove burner tray.4. Take garden hose and wash heat exchanger,making sure soot is removed from between fins.(Avoid excessive water against refractory).5. Reassemble; when boiler is fired, some steamwill form from wet refractory. This is normal.6. Correct reason for soot formation.NOTE: In extreme cases it may be necessary to re-move the heat exchanger completely for cleaning. Thesimplest method is steam cleaning at a local car wash.DO NOT WIRE BRUSH!CAUTION:Soot is combustible, so exercise extreme care.REPLACEMENT PARTSSee separate parts sheet in instruction envelope.NOTE: To supply the correct part it is important that yousupply the model number, serial number and type ofgas when applicable.Any part returned for replacement under standardcompany warranties must be properly tagged withRaypak return parts tag, completely filled in with theheater serial number, model number, etc., and shippedto Raypak freight prepaid.If determined defective by Raypak and within war-ranty, the part will be returned in kind or equal substi-tution, freight collect. Credit will not be issued.RAYPAK, INC.2151 Eastman AvenueOxnard, CA 9303039

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