BLACKMER HD942A Installation, Operation And Maintenance Instructions Download Page 26 | Manualshive

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Summary of Contents for HD942A

Page 1: ...in the manual look for one of the following signal words and be alert to the potential for personal injury or property damage Warns of hazards that WILL cause serious personal injury death or major p...

Page 2: ...system must be flushed and decontaminated inside and out prior to performing service or maintenance Hazardous pressure can cause serious personal injury or property damage Disconnecting fluid or pres...

Page 3: ...mer products may be obtained from Blackmer s website www blackmer com or be contacting Blackmer s Customer Service NAMEPLATE DATA A nameplate is attached to the side of all Blackmer compressors showin...

Page 4: ...L PACKING ORIENTATION Field 6 3 ring Segmented A 5 ring Segmented B Vent Segmented D SEAL MATERIAL Field 7 PTFE T CYLINDER HEAD Field 8 Ductile Iron A TNT 12 DI Cylinder B TNT 12 DI Cyl Head C PISTON...

Page 5: ...ntly if the system requires 3 Expansion joints placed within 36 0 9 m of the compressor will compensate for expansion and contraction of the pipes Contact the flexible connector hose manufacturer for...

Page 6: ...ll capscrews evenly and progressively in rotation to the torque value in Table 4 There must be a gap between the hub flange and the flywheel with installation is complete Do not over torque Do not att...

Page 7: ...rrosion or even destroy the compressor Figure 4 HDL942 Water Conntections MAXIMIZING COMPRESSOR LIFE Life of critical compressor components such as piston rings valves and packing will vary considerab...

Page 8: ...be used Seal Type D This seal arrangement is designed to allow the packing to be vented if desired Vent openings to each rod s packing are located in the cylinder casting below the valves The 1 8 open...

Page 9: ...ameter X 50 tall fitted with an internal stainless steel mist pad a relief valve a manual drain valve and one or two electric float switches Level gauges and automatic drain systems are also available...

Page 10: ...without guards in place can cause serious personal injury major property damage or death Hazardous gases can cause property damage personal injury or death Flywheel guard contact with moving parts may...

Page 11: ...nts during compressor operation can cause serious personal injury death or major property damage Hazardous gases can cause property damage personal injury or death Explosive gas can cause property dam...

Page 12: ...Seal Replacement Feeler gauges or Depth Micrometer Piston Clearance Screwdriver Flat Blade Nameplate screws Packing Installation Pliers Rubber Mallet Arbor Press Wrist Pin Removal Bearing Puller Cran...

Page 13: ...9 Oil Viscosity Before changing the oil bring the compressor up to normal operating temperature Remove the crankcase drain plug and drain the oil into an adequately sized container Remove the oil pick...

Page 14: ...4 threaded puller holes If two 1 4 bolts are not readily available the oil pump cover bolts may be used d Remove the upper shims the piston and the lower shims Keep the upper and lower shim sets toget...

Page 15: ...e same upper and lower halves To avoid confusion work on one connecting rod at a time or mark the individual halves with corresponding numbers 9 Remove the opposite connecting rod and crosshead assemb...

Page 16: ...e b Lubricate the inside bore of the crosshead guide with light oil c Set the crosshead guide over the piston rods and the crossheads and slowly lower it against the crankcase Make certain that the cr...

Page 17: ...the upper valve pockets j Rotate the crankshaft until the piston is at bottom dead center Measure the clearance between the piston and packing box through a lower valve pockets k Compare the piston cl...

Page 18: ...wrench is helpful 3 Push the unloader piston out the top of the unloader body 4 Inspect and replace the seals as needed note the seal orientation 5 Inspect the unloader body bore it must be clean and...

Page 19: ...lve after removing the unloader actuator retaining ring actuator spring and post b Separate the valve halves and remove springs and plate c Inspect and replace worn components d Reassemble valves as s...

Page 20: ...G BOX a Remove the bolts from the bottom of the packing box then remove the packing gland and packing spacer b Remove the packing cups with packing ring pairs and O rings If the packing cups are diffi...

Page 21: ...SEAL PACKING REPLACEMENT CB9A 030 page 21 28 Figure 19 Type D Packing Detail Figure 17 Type B Packing Detail...

Page 22: ...y lubricated with oil several times during the first 60 minutes of compressor operation This will prevent overheating of the piston rods and potential damage to the packing material If possible perfor...

Page 23: ...mbly d Press a bearing cone onto each end of the crankshaft with the tapered end outward The bearing race should rest against the shoulder on the crankshaft e Lubricate the bearings with grease 8 Inst...

Page 24: ...age to the compressor may occur Complete compressor disassembly and replacement of rod packing bearings and other parts may be required 1 Keep a written record storage procedures performed preferably...

Page 25: ...lve hold down screws 9 Knocks or Other Noises 9 Worn Internal Parts Inspect through inspection plates and repair as necessary 4 10 Oil Pump Relief Valve Not Properly Set Set oil pump relief valve 11 1...

Page 26: ...NOTES CB9A 030 page 26 28...

Page 27: ...rface Temperature An ATEX compliant temperature switch must be installed if the compressor is used in an ATEX zone It is the end users responsibility to ensure the compressor does not exceed the tempe...

Page 28: ...1528 3 e 5...

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