Crown Boiler 24-12 Section II Cast Iron Block Assembly, Assembly of Sections Manual DRAW- UP

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SECTION II - CAST IRON BLOCK ASSEMBLY

CAUTION

Boiler sections must be drawn-up on perfectly level surface or improper assembly may result.

A.FIELD ASSEMBLED SECTIONS — If the boiler was ordered to be field assembled, follow the assembly procedure outlined on the following pages.

1.ASSEMBLY OF SECTIONS (MANUAL DRAW- UP)

These sections are designed to be drawn together, one section at a time, using the 9¾” long draw-up rods (provided) and ordinary hand tools.

Tools required:

(1)¾” Drive Ratchet

(1)1-1/16” Socket

(1)1-1/16” Combination or Open End Wrench

(1)Container of grease, oil or other appropriate lubricant.

CAUTION

When assembling sections without hydraulic draw-up equipment, never assemble more than one section at a time.

a.Place the rear section in its approximate final position, as outlined in Section I, and support it with a suitable prop and wedges. See Figure 5.

b.On size 24-03 only— Open target wall carton, apply Silastic to back of target wall and secure target wall to rear section.

c.Clean the groove in the ground joint along the edge of the section with the wire brush.

d.Open the Boiler Assembly Carton(s) and remove the bottle of adhesive. Using the dauber supplied in the bottle, apply the adhesive to the groove.

Be sure to use enough adhesive to sufficiently coat the entire groove surface. If so desired, a multi-purpose spray adhesive (supplied by others) may be used instead. HOWEVER, GREAT CARE MUST BE TAKEN TO

ENSURE THAT THE ADHESIVE DOES NOT COME IN CONTACT WITH THE NIPPLES OR NIPPLE PORTS.

e.Clean nipples and nipple ports thoroughly with a de-greasing solvent. Use the Loctite #592 supplied to lubricate the nipples and nipple ports. Apply the lubricant to the nipples and nipple ports, then use a brush to disperse it evenly around the nipples and the nipple ports. Use approximately 25 ml of Loctite #592 per flueway [(1) 7” and (2) 3” nipples and their (6) corresponding nipple ports].

f.Drive nipples squarely into section using block of wood and hammer, or preferably, an aluminum head hammer. (Crown offers a Polyethylene Block for setting the nipples, part number 330010). Place block over entire nipple edge and hit the wood with the hammer.

Figure 5: Positioning of Back Section

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Contents Series Page Important Information Read Carefully Page Page Table of Contents Table of Contents Section I General Information Boiler RATINGS/DATA Locate the Unit Section I General InformationChimney or Vent Boiler FoundationVents Faults & Suggestions Assembly of Sections Manual DRAW- UP Section II Cast Iron Block AssemblyNipple Gauge Series 24 Section Arrangement Draw-Up Rods Alternating Pattern Manual Draw-up Center Section Channel Block Position Partial Block Draw-Up Hydraulic Draw-Up of Sections Canopy with Rear Flue Outlet Damper Assembly Section III Installation InstructionsBare Boiler Assembly Avoid Breathing Fiber Particulates and Dust Left Side Canopy Intermediate Bracket Inspect ALL Boiler Seals Mount Rear Observation Port Cover Refer to FigureSeries 24 Jacket Assembly Boiler Models 24-03 thru Mount Burner Adapter Plate to Burner Mounting Plate Burner Mounting Plate Refer to Figures 16Purpose of Tappings Steam Boilers Steam Trim Steam Boilers Install Steam Trim This Is Intentionally Left Blank Purpose of Tappings Water Boilers Water Trim Burner Installation Water Boilers Install Water TrimBoiler Piping Heating Applications Page Parallel Piping Conversion Recommendation 1 Use when Recommendation 2 Use when Recommendation 3 Use when Page Page Page BMounting Elevations M&M 150, 64 Float Low Water Cut-offs Schematic Tankless Heater Piping 24-08 24-09 CCW Open to System Return Temperature Control and ComponentsWater Boiler Pressure Relief Valve Hook-Up Typical Boiler Wiring with RTC Front Typical Boiler with RTC Return Sensor Rear Section IV Operating Instructions Always Inspect Installation BeforeStarting Burner Fill Heating System with WaterFlame Failure Boil MIN Delay Check Operation of High Limit Control Test ControlsBoiler and System Cleaning Steam Boiler Boiler and System Cleaning Water Boilers Oxygen Corrosion Frequent Water AdditionClean the Boiler Flueways Section V Service InstructionsMaintenance of LOW Water Cutoff Devices Operation General Maintenance ConsiderationsOIL Burners Section VI Burner SpecificationsSection VII Repair Parts & Carton Contents Series 24 Master Parts List Section VII Repair Parts Jacket Carton Bare Boiler Assembly Section Joiner Carton Assy Rear Target Wall Carton Standard Steam Trim Carton Assy RTC Carton with Outdoor Reset Tankless Coil Components Boiler Water Section Viii Appendix Page Mechanical Page Mechanical Electrical Page Page Page Page Page Page Page Page Series 24 Boiler Circulator Selection Taco 20F Differential Boiler Recirculation Grundfos Circulating Pump Way Boiler Recirculation Bell and Gossett Circulating Pump Way Boiler Recirculation Armstrong Circulating Pump Way Application Appendix C Valve and Actuator Mounting InstructionsService Record PN 980417 S24 12/05
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