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BLACKMER NG Series Installation, Operation And Maintenance Instructions

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BLACKMER NG COMPRESSORS
Installation, Operation, and Maintenance Instructions
MODELS:
NG082C, NGS082C, NG162C, NG362E, NG602E, NG642E,
NGS162C, NGS362E, NGS602E, NGS642E, NG172C, NG372C,
NG612C, NGS172C, NGS372C, NGS612C

TABLE OF CONTENTS

Safety Data ................................................................ 1
Compressor Data ................................................. 3
Nameplate Data .................................................... 4
Maximizing Compressor Life ................................ 5
Location And Piping .............................................. 6
Mounting the Compressor Unit ............................ 6
Compressor Flywheel ........................................... 7
V-Belt Drive ........................................................... 7
Liquid Traps .......................................................... 7
Relief Valves ......................................................... 8
Pressure Gauges .................................................. 8
Interstage Piping / Cooling ................................... 8
Suction Valve Unloaders ...................................... 8
Pre-Start Up Check List ........................................ 9
Start Up Procedure ............................................... 9

SAFETY DATA

This is a SAFETY ALERT SYMBOL.
When you see this symbol on the product, or in the
manual, look for one of the following signal words and
be alert to the potential for personal injury or property
Warns of hazards that WILL cause serious personal
injury, death or major property damage.
Warns of hazards that CAN cause serious personal
injury, death or major property damage.
Warns of hazards that CAN cause personal injury, or
property damage.
Indicates special instructions which are very important
and must be followed.
damage.
NOTICE
960486
INSTRUCTIONS CB6A-012
Replaces
Bolt Torque Table.................................................. 10
Service Schedule .................................................. 11
Tool List ................................................................. 12
Crankcase Lubrication .......................................... 12
Setting the Oil Pressure ........................................ 12
Compressor Disassembly ....................................... 13
Compressor Assembly ............................................ 14
Valve Replacement ................................................... 16
Seal (Packing) Replacement ................................... 18
Bearing Replacement ............................................... 20
Oil Pump Replacement ............................................ 21
Extended Storage ..................................................... 21
Troubleshooting ....................................................... 22
NOTICE
Blackmer compressors MUST only be installed in
systems which have been designed by qualified
engineering personnel. The system MUST conform to
all applicable local and national regulations and safety
standards.
These instructions are intended to assist in the
installation and operation of Blackmer compressors and
MUST be kept with the compressor.
Blackmer compressor service and maintenance shall
be performed by qualified technicians ONLY. Service
and maintenance shall conform to all applicable local
and national regulations and safety standards.
Thoroughly review this manual, all instructions and
hazard warnings, BEFORE performing any work on
the compressor.
Maintain ALL system and compressor operation and
hazard warning decals.
For handling liquefied gas, NFPA Pamphlet 58 should
be consulted.
Section
601
Effective
Oct 2019
Feb 2019

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Summary of Contents for BLACKMER NG Series

  • Page 1: Table Of Contents

    Pre-Start Up Check List ........9 Start Up Procedure ..........9 SAFETY DATA NOTICE Blackmer compressors MUST only be installed in This is a SAFETY ALERT SYMBOL. systems which have been designed by qualified When you see this symbol on the product, or in the engineering personnel.
  • Page 2 SAFETY DATA NOTICE The NGS Models are designed for use in Sour Gas S atmospheres can cause Applications. Persons maintaining, repairing, or serious personal injury or death. working near the compressor or surrounding area S atmospheres must have adequate safety training and protection. can cause serious personal injury or death.

  • Page 3: General Information

    GENERAL INFOMATION COMPRESSOR DATA The models listed are vertical, air-cooled reciprocating style compressors with single acting cylinders. Single-Stage Models NG162C NG362E NG602E NG642E NGS162C NGS362E NGS602E NGS642E Displacement 13.4 (22.8) @ 350 rpm - CFM (m /hr) 7.16 (12.2) 15.3 (26.0) 27.2 (46.3) 31.7 (53.8) @ 825 rpm - CFM (m...

  • Page 4: Nameplate Data

    A suffix letter is used on most Figure 2 - Compressor Nameplate models to indicate the version. For detailed ATEX Declaration information, refer to FORM 576 found in the Certification section of Blackmer’s website. An 11 character "I.D. No." identifies the construction of the compressor. VALVES...

  • Page 5: Maximizing Compressor Life

    GENERAL INFORMATION Foreign Material MAXIMIZING COMPRESSOR LIFE Solid particles in the gas stream will: Life of critical compressor components such as piston  rings, valves and packing will vary considerably with Rapidly wear the piston rings and score the cylinder wall each application, installation, and operating procedures.

  • Page 6: Installation

    INSTALLATION NOTICE: 5. Both suction and discharge piping should slope Blackmer compressors must only be installed in down from the compressor. The compressor should systems designed qualified engineering not be placed at a low point in the piping system. personnel. System design must conform with all applicable regulations and codes and provide warning of all system hazards.

  • Page 7: Compressor Flywheel

    INSTALLATION COMPRESSOR FLYWHEEL V-BELT DRIVES Most Blackmer compressors are driven via V-belts which Blackmer compressors are fitted with flywheels which must be properly aligned and tensioned. MUST be used regardless of the type of drive system employed. Failure to disconnect and lockout...

  • Page 8: Relief Valves

    Blackmer unloaders are basically a piston and a plunger Should the Relief Valve actuate, the cause MUST be atop the suction valve. When pressure is applied to the determined and corrected before continuing operations.

  • Page 9: Operation

    4. Ensure that pressure gauges are installed on both inlet and discharge of the compressor. 5. Blackmer compressors are shipped from the factory without oil in the crankcase. Fill with a high quality oil prior to startup. See "Crankcase Lubrication" in this manual.

  • Page 10: Maintenance

    Service and maintenance shall conform to all applicable local and national regulations and S atmospheres safety standards. can cause serious personal injury or death. BOLT TORQUES FOR BLACKMER COMPRESSORS LBS-FT (Nm) Crankcase Packing Box Con. Rod Bearing Bearing Oil Pump...

  • Page 11: Service Schedule

    Table 5 - Service Schedule TOOL LIST Description Used For: Blackmer Valve Hold-down Ring Torque Tool 798016 Valve Hold-down Screws Blackmer Packing Installation Tool Rod-packing protection during installation. 790536 for 160 and 360 Series Compressors...

  • Page 12: Crankcase Lubrication

    MAINTENANCE Models Quarts Liters Size 162 / 172 1.89 Size 362 / 372 2.84 Size 602 / 642 / 612 6.62 Table 8 - Oil Capacity Mineral Based Oil - API Grade SN, SM, SL, SJ Ambient Product Grade Temperature 80°F (27°C) and above 32 to 80°F...

  • Page 13: Compressor Disassembly

    4. Removal of the piston requires a 3" adjustable driver or an arbor press. Removal of the pin releases spanner wrench with 1/4" pins, such as Blackmer PN the crosshead assembly from the connecting rod. 790316.

  • Page 14: Compressor Assembly

    Do not damage the packing when a. To attach the connecting rod to the crosshead starting it over the rod. Use of a Blackmer assembly, first coat the wrist pin, the wrist pin packing installation tool is recommended, and...
  • Page 15 COMPRESSOR ASSEMBLY 9. PISTON RINGS 12. CYLINDER HEAD ASSEMBLY a. Place an expander in the top groove of the If the valve assemblies have been removed from the piston. Place an expander in the second groove cylinder head, refer to the "Valve Replacement" with the break in this expander 180 degrees from section of this manual.

  • Page 16: Valve Replacement

    VALVE REPLACEMENT Single-Stage Models 1. Remove the valve cap (or unloader assembly) and O-ring from the valve being serviced. 2. Remove the valve hold down screw with a spanner wrench. (see ‘Tool List’ table). 3. Remove the valve cage (and unloader plunger, actuator, and spring).
  • Page 17 VALVE REPLACEMENT 7. After replacing the valves, rotate the flywheel by hand to check for interference between the pistons and the valves. 8. After 60 minutes running time, remove the valve cap and re-torque the hold down screw. Replace the valve cap and gasket.

  • Page 18: Seal (Packing) Replacement

    SEAL (PACKING) REPLACEMENT Follow steps 1 through 6 of the "Compressor 4. S3R Seal Cup (Size 602, 642 and 612 only) Disassembly" section of this manual. Disassembly a. Remove the seal cup from the packing box by removing the eight socket head capscrews. b.
  • Page 19 SEAL (PACKING) REPLACEMENT Assembly 5. Packing Box Assembly e. Clean the seal cup in a suitable solvent. Inspect a. Install the inner retainer ring of the lower the bore for wear, roughness, or corrosion. packing. Refer to the sketch of the lower packing box for b.

  • Page 20: Bearing Replacement

    BEARING REPLACEMENT NOTICE: When replacing the bearings, the entire c. Note the proper orientation and carefully press bearing assembly, including the bearing cup and the the outboard bearing cup into the bearing carrier bearing cone, must be replaced and the crankshaft assembly.

  • Page 21: Oil Pump Replacement

    OIL PUMP REPLACEMENT 4. Place the spring and the drive cone in the end of the crankshaft. 5. Note the slot in the end of the crankshaft and the drive tab on the back of the oil pump assembly. Install the oil pump assembly into the bearing carrier with the tab and slot aligned.

  • Page 22: Troubleshooting

    TROUBLESHOOTING IF PROBLEM PROBLEM STEP PROBABLE CAUSE WHAT TO CHECK STILL EXISTS GO TO STEP ... Check condition of rings by restricting discharge Worn or Broken Piston Rings line. If pressure increases slowly, rings are probably faulty. Plugged Strainer Clean screen as necessary. Remove and inspect for broken or worn springs, Compressor Valve Faulty discs, or bodies.
  • Page 23 Notes CB6A-012 page 23/24...
  • Page 24 Accessories Dispensing, Transfer, In-line Gear Reducers, Bypass Valves, Strainers Visit www.blackmer.com for complete information on all Blackmer products 1809 Century Avenue, Grand Rapids, Michigan 49503-1530 U.S.A. Telephone: (616) 241-1611 • Fax: (616) 241-3752 E-mail: blackmer@blackmer.com • Internet Address: www .blackmer.com...

This manual is also suitable for:

Ng082cNgs082cNg162cNg362eNg602eNg642e ... Show all

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