Chrysler LLC Construction Specification Masters

Chrysler LLC Construction Specification Masters 5/31/18

SECTION 13922 - DIESEL-DRIVE, HORIZONTAL FIRE PUMP

PART 1 - GENERAL

0.1 SUMMARY

A. Horizontally mounted, axially split case, diesel-drive, horizontal fire pump and accessories.

B. Related Sections: The following Sections contain requirements that relate to this Section: 1. Section 15330 "Wet Pipe Sprinkler Systems".

0.2 DEFINITIONS

A. Fire Pump: Pump used to supply water at rated capacity and total rated pressure head required for fire-protection service.

B. Fire Pump Unit: Assembled unit consisting of fire pump, driver, controller, and accessories.

C. Horizontal Fire Pump: Horizontal-mounting, axially split case fire pump.

D. Pressure-Maintenance (Jockey) Pump: Pump used to maintain water pressure in a sprinkler system.

E. Pressure-Maintenance Pump Unit: Assembled unit consisting of pressure- maintenance pump, driver, controller, and accessories.

0.3 SYSTEM PERFORMANCE REQUIREMENTS

A. Provide one (1) 3000 GPM, 125 psi diesel driven fire pump, 50 gpm, 90 psi electric jockey pump, accessories, and piping that comply with these specifications and as listed in NFPA 20, 1996.

B. Pump, Equipment, Accessory, and Piping Pressure Rating: 175 psig minimum, except where a higher rating is indicated.

0.4 SUBMITTALS

A. General: Submit the following according to the Conditions of the Contract and Division 1 Specification Sections.

B. Product data for fire pump and jockey pump. Include rated capacities of each selected model, performance curve with each selection point indicated, driver, pump controller, furnished specialties, and accessories; plus weights (shipping and installed).

C. Product certificates signed by manufacturers of fire pumps, certifying that their products comply with specified requirements.

DIESEL-DRIVE, HORIZONTAL FIRE PUMP 13922 - 1 of 13 Chrysler LLC Construction Specification Masters 5/31/18

D. Test curves of fire pump manufacturer's factory tests for each fire pump, and certificates signed by manufacturer verifying that the test results comply with specified requirements.

E. Welding procedure specifications for each welding process, welding procedure qualifications test records, and welder qualification test records complying with requirements specified in the "Quality Assurance" Article.

F. Shop drawings showing layout and connections for fire pump and pressure- maintenance pump. Show pumps, drivers, controllers, accessories, and piping. Include setting drawings with templates and directions for installation of foundation bolts, anchor bolts, and other anchorages. 1. Shop drawings shall be submitted to the following agencies:

Owner’s Broker Insurance Contact Global Risk Consultants 14058 Edgewood Street Livonia, Michigan 48154-5334 Attention: Jim Faitel Phone: 734-513-5070 Email: [email protected]

Chrysler LLC Chrysler LLC Chrysler Security Services 1000 Chrysler Drive CIMS 485-01-52 Auburn Hills, MI 48326-2766 Attention: Neil Wainstock Telephone: 248-512-4663 Fax: 248-512-4888

Architect/Engineer Attention: Telephone: Fax:

Local Authority Having Jurisdiction Attention: Telephone: Fax:

G. Wiring diagrams detailing field-installed wiring for power, signal, and control systems.

H. Field-acceptance test data showing proper performance according to provisions specified.

I. Maintenance data for fire pump and pressure-maintenance pump to include in the "Operating and Maintenance Manual" specified in Division 1 Section "Project Closeout."

0.5 QUALITY ASSURANCE

A. Manufacturer Qualifications: Firms whose fire pumps, pressure maintenance pumps, drivers, controllers, and accessories are listed by product name and manufacturer in the UL "Fire Protection Equipment Directory" and comply with Factory Mutual criteria.

B. Comply with City of Toledo fire department standards pertaining to material, hose threads, and installation.

C. Comply with requirements of NFPA 20 "Standard for the Installation of Centrifugal Fire Pumps" for fire pumps, drivers, controllers, accessories, and installation.

D. Comply with requirements of NFPA 70 "National Electrical Code" latest edition for electrical materials and installation.

E. Regulatory Requirements: Comply with provisions of the following: 1. ASME B31.9 "Building Services Piping" for water supply and drain piping materials, products, and installation. 2. ASME "Boiler and Pressure Vessel Code," Section IX, "Welding and Brazing Qualifications" for qualifications for welding processes and operators.

F. Manufacturer's Factory Tests: Perform factory test for fire pump.

G. Design Criteria: Drawings indicate approximate sizes, profiles, connections, and dimensional requirements of fire pump and pressure-maintenance pump and are based on specific manufacturer types and models indicated. Pump having equal performance characteristics by other manufacturers may be considered, provided that deviations in dimensions and profiles do not change the design concept or intended performance as judged by the Architect/Engineer. The burden of proof for equality of units is on the proposer.

0.6 DELIVERY, STORAGE, AND HANDLING

A. Preparation for Shipping: After assembling and testing fire pump and pressure- maintenance pump, clean flanges and exposed machined metal surfaces and treat with an anticorrosion compound. Protect flanges, pipe openings, and nozzles.

B. Store fire pump, jockey pump, drivers, controllers, and accessories in a clean dry place.

C. Retain shipping flange protective covers and protective coatings during storage.

D. Protect bearings and couplings against damage from sand, grit, or other foreign matter.

E. Extended Storage Greater Than 5 Days: Dry internal parts with hot air or vacuum- producing device to prevent rusting. Upon drying, coat internal parts with protective liquid, such as light oil. Dismantle bearings and couplings, dry and coat with acid-free heavy oil, and then tag and store in a dry location.

F. Comply with manufacturer's rigging instructions for handling.

PART 2 - PRODUCTS

0.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Horizontal Fire Pump: a. Aurora Pump, General Signal Corp. b. Fairbanks Morse Pump Div., Colt Industries. c. ITT A-C Pump, ITT Fluid Technology Corp. d. Patterson Pump Co. Subsid., Gorman-Rupp Co. e. Peerless Pump, Sterling Fluid Products, Inc. 2. Diesel-Engine Fire Pump Drivers: a. Caterpillar, Inc. b. Clarke GM Diesel, Inc. c. Cummins Engine Co., Inc. 3. Multistage, Jockey Pump: a. Aurora Pump, General Signal Corp. b. Grundfos Pumps Corp. c. ITT A-C Pump, ITT Fluid Technology Corp. d. Patterson Pump Co. Subsid., Gorman-Rupp Co. e. Peerless Pump, Sterling Fluid Products, Inc. 4. Pump Controllers: a. Firetrol, Inc. b. Hubbell Industrial Controls, Inc. c. Joslyn Clark Controls, Inc. Subsid., Joslyn Corp. d. Master Control Systems, Inc. e. Metron, Inc.

0.2 FIRE PUMP

A. Description: Horizontally mounted, single-stage, double-suction type, UL 448, factory- assembled and tested, bronze-fitted, axially split case, double row ball thrust bearing complete with lock washer and threaded locknut, no snap rings, diesel-drive, of capacities and characteristics indicated.

B. Characteristics: Capable of furnishing not less than 150 percent of rated capacity at not less than 65 percent of total rated head. Shutoff head is limited to 120 percent of total rated head.

C. Casing Construction: Axially split case, centrifugal design; cast-iron pump casing with suction and discharge flanges machined to ASME B16.1 dimensions, and 125-psig pressure rating.

D. Impeller Construction: Statically and dynamically balanced, of construction to match fire pump, fabricated from cast bronze, keyed to shaft. Shaft sleeve shall be held in compression by outside sleeve nuts. The shaft shall not be threaded inside the pump casing.

E. Wear (Inboard and Outboard) Bearings: Replaceable bronze.

F. Pump Shaft and Sleeve: Steel shaft with bronze sleeve.

G. Pump Shaft Bearings: Grease-lubricated ball bearings contained in cast-iron housing without opening pump casing.

H. Seals: Stuffing box with minimum of 4 rings of graphite-impregnated braided yarn with bronze lantern ring between center 2 graphite rings, and bronze packing gland. Stuffing boxes shall not be split but machined of one concentric piece to ease sealing. Pump upper half casing must be removable without disturbing packing area for inspection of entire exterior of pump.

I. Pump Couplings: Flexible, capable of absorbing torsional vibration and shaft misalignment, with metal coupling guard.

J. Finish: Manufacturer's standard red paint applied to factory-assembled and tested units before shipping.

K. Nameplates: Complete with capacities, characteristics, and other pertinent data.

0.3 DRIVERS

A. Diesel Engines: UL 1247, horizontal shaft, open-type diesel engine, of scheduled capacity. Provide the following accessories for automatic operation: 1. Emergency Manual Operator: Factory wired for standby engine starting and operation in case of main controller or wiring malfunction. 2. Engine Cooling System: Factory-installed water piping, valves, strainer, pressure regulator, heat exchanger, coolant pump, bypass piping, and fittings. Piping shall be black steel Schedule 40 with 125# cast iron fittings. 3. Flexible exhaust connector. 4. Exhaust Silencer: Residential type. 5. Engine-Jacket Water Heater: Factory-installed electric elements. 6. Dual Batteries: Lead-acid-storage type, providing 100 percent standby reserve capacity.

B. Diesel Fuel Storage System: 1. One (1) fuel oil storage double wall containment tank mounted on legs, complete with vents (inner and outer tank), fill and drain lines, and valves. 2. One (1) tank of fuel oil which shall be refilled upon at completion of acceptance test. 3. All necessary fuel oil piping, including fill line for the fuel tank with lock, two (2) 2” vents extended up wall of building not less than 10’ - 0” above the grade with return bend and flame arrestor vent cap, one (1) for inner tank and one (1) for outer suction line from tank to engine, routed in a manner to protect from impact and damage, with all connections complete. Provide any necessary auxiliary pumping equipment for fuel system as may be required. 4. Provide a bottom drain globe valve complete with plug for each tank. 5. Tanks shall be double wall complying with all EPA standards. 6. Provide a high and low level alarm for filling tank. 7. Outer tank shall be complete with sight glass for visual monitoring.

C. Diesel Engine Exhaust System 1. The exhaust from the engine shall be provided with an approved new diesel exhaust piping system, with flexible connector and outside mounted horizontal silencer.

2. Engine exhaust piping shall be black steel pipe, ASTM A53, Schedule 40. 3. The exhaust pipe inside the building shall be covered with a 1-1/2” thickness of Owens-Corning Kaylo 1-1/2 inch thick, or other approved high temperature covering including all fittings, etc. Covering shall be suitable for temperatures of not less than 1000 degrees F., and shall be furnished with a minimum of 1/32 inch aluminum jacket.

0.4 CONTROLLER

A. Description: Combined automatic and manual operation, complying with UL 508, UL listed, factory assembled and wired, and factory tested for capacities and characteristics, and with features indicated. 1. Automatic diesel engine pump controller shall conform to the requirement of NFPA Pamphlet No. 20 and FM Data Sheet 3-7 and shall be specifically approved for fire pump service. Panel shall be enclosed in a floor mounted dust and moisture resistant housing with NEMA 12 gasketing. a. Controller shall be the combined manual and automatic type, including a “manual-off-automatic” selector switch. b. Controller shall be Clark, Lexington, Firetrol, Master, or as approved. c. A pressure switch will be provided which on a drop in system pressure will cause the controller to open or close all circuits necessary to automatically start the engine by performing the following function: 1) Turn on fuel solenoid. 2) Open the cooling water solenoid valve. 3) Crank the engine in a series of crank-rest cycles, automatically alternating between the dual batteries on each cycle. 4) Disconnect cranking motor upon engine start. d. Controller shall be provided with a four position selector switch for manual, off, automatic, and test and shall have two manual start push buttons which can be energized together to double cranking power. e. A pressure switch with access to the internal connections without the use of tools shall be provided which on a drop in system pressure will cause the controller to open or close all circuits necessary to automatically start the engine. Pressure switch shall be adjustable and rated 10-300 psi. It shall have independent high and low setting with the minimum differential of 6 psi. 2. If the engine should fail to start after several cranking attempts, the controller shall disconnect all starting circuits. Provide audible and visual alarms to indicate “high jacket water temperature” and “low lube oil pressure”. Engine shall not shutdown for either of these faults. 3. To assure the engine will start in an emergency, the test position of the controller switch shall start the engine by reducing the water pressure to the pressure control switch in the controller. 4. Controller shall include a built-in battery charger that meets the latest requirements of NFPA #20. It shall consist of a single charger with an output for each battery and a common transformer. Charger shall have a current rating up to 25 amps. Individual volt and ammeters for each battery shall be panel mounted. 5. Provide automatic means of recording pressure in the system with seven (7) day charts to show system pressure and operation of the fire and jockey pumps. 6. Controller shall have light emitting diode (LED) type pilot lights above each field wiring terminal point which is used for interconnection to the engine. These

indicating lights shall make it possible to verify proper operation of all normal automatic and manual functions along with continuity of all dry contacts for remote alarms. 7. Individual pilot lights and alarm contacts shall be provided. These contacts shall be both normally open and normally closed and be electrically isolated for wiring with either remote alarm panels as supplied by the controller manufacturer, as a minimum, show the following: a. Low engine oil pressure b. High engine jacket water temperature c. Failure to start automatically d. AC power or charger failure e. Battery No. 1 failure f. Battery No. 2 failure g. Overspeed failure with shutdown h. Low pump room temperature i. Low fuel level j. Low tank temperature alarm k. Low water tank alarm l. High water tank alarm 8. Contacts are to be included for remote indication of selector switch not in automatic. There shall also be two (2) individual sets of contacts for pump running. 9. Alarm contacts shall be rated 600 V, minimum 10 amp, pilot duty. Additionally, they shall be suitable for direct switching of low energy alarm circuit of 6 VDC, minimum 10 milliamps, 0.6 VA minimum. 10. Prior to shipment, controller manufacturer shall hook up and test the entire controller as a complete assembly.

B. Nameplates: Provide nameplate complete with capacity, characteristics, approvals and listings, and other pertinent data on enclosure door.

C. Finish: Manufacturer's standard red paint applied to factory-assembled and -tested units before shipping.

D. Controller Sensing Pipes: Fabricate pipe and fittings according to NFPA 20 with nonferrous-metal sensing piping, 1/2-inch size, with globe valves for testing controller mechanism from system to pump controller as indicated. Include two (2) bronze check valve with a 3/32-inch orifice in the clapper.

0.5 ACCESSORIES

A. Match fire pump suction and discharge ratings as required for fire pump capacity rating. Include the following accessories: 1. Automatic, air-release valve. 2. Casing relief valve, piped to floor drain. 3. Suction and discharge pressure gages. 4. Intake air cleaner. 5. Concentric tapered reducer (increaser) at discharge outlet. 6. Test-Header Manifold: Ferrous for hose valves. Include bronze or cast-iron, exposed-type, valve header with nozzle outlets; and round brass escutcheon plate with lettering equivalent to "PUMP TEST CONNECTION." Finish is manufacturer's standard.

7. Hose Valves: UL 668, straightway pattern, bronze. Include cap attached to valve with chain and NFPA 1963 hose thread that conforms to City of Toledo fire department standards on valve outlet. Valve and cap finish is same as test- header-manifold escutcheon plate finish. 8. Ball Drip Valve: UL 1726. 9. Main Relief Valve: UL 1478, pilot operated. 10. Discharge Cone: Closed with sight glass. 11. 12 Volt starting motor alternator and regulator. 12. Weather-proof strobe light for high fuel alarm.

B. Finish: Manufacturer's standard red paint applied to factory-assembled and -tested units before shipping, except where brass or another finish is specified.

0.6 PRESSURE-MAINTENANCE (JOCKEY) PUMP

A. Jockey: Multi-stage centrifugal pump, stainless steel impellers, Grundfos Model CR 8-50 with 5.0 HP, 480 V, 3 phase, TEFC motor.

0.7 PRESSURE-MAINTENANCE (JOCKEY) PUMP ELECTRIC-MOTOR DRIVER

A. Across-the-line type complying with UL 508, UL listed: Factory assembled, wired and tested; and combined automatic and nonautomatic operations, including types, capacities, characteristics, and features indicated for electric-drive, pressure- maintenance pump service.

B. Finish: Manufacturer's standard red paint applied to factory-assembled and -tested units before shipping.

C. Nameplates: Complete with motor horsepower, characteristics, and other pertinent data.

D. Rate controller for scheduled horsepower (kW) and provide the following items: 1. Fusible disconnect switch must be flange mounted. 2. Pressure switch. 3. “HAND-OFF-AUTO” selector switch. 4. Pilot light.

0.8 PRESSURE-MAINTENANCE PUMP CONTROLLER

A. Description: Across-the-line type; complying with UL 508; UL listed; factory assembled, wired, and tested; and combined automatic and nonautomatic operation. Include types, capacities, characteristics, and features indicated for electric-drive, pressure-maintenance pump service.

B. Enclosure: NEMA 12, fully gasketed, wall mounted, for field electrical wiring.

C. Include controls, devices, alarms, functions, and operations listed in NFPA 20, and specific items listed.

D. Rate controller for scheduled horsepower and provide the following items: 1. Fusible disconnect switch must be flange mounted. 2. Pressure switch.

3. "HAND-OFF-AUTO" selector switch. 4. Pilot light.

E. Nameplates: Complete with capacity, characteristics, approvals and listings, and other pertinent data on enclosure door.

F. Mounting: Wall type for field electrical connections.

G. Finish: Manufacturer's standard red paint applied to factory-assembled and -tested units before shipping.

H. Controller Sensing Pipes: Fabricate pipe and fittings according to NFPA 20 with nonferrous-metal sensing piping, 1/2-inch size, with globe valves for testing controller mechanism from system to pump controller as indicated. Include two (2) bronze check valves with a 3/32-inch orifice in the clapper.

0.9 PRESSURE-MAINTENANCE (JOCKEY) PUMP ACCESSORY

A. Include the following accessories: 1. Casing relief valve. 2. Suction and discharge pressure gages.

0.10 SOURCE QUALITY CONTROL

A. Factory Tests: Hydrostatically test and test run fire pumps before shipment. Test at 150 percent of shutoff head plus suction head, but not less than 250 psig. Produce certified test curves showing head capacity and brake-horsepower of each pump.

0.11 GROUT

A. Nonshrink, Nonmetallic Grout: ASTM C 1107, Grade B.

B. Characteristics: Post-hardening, volume-adjusting, dry, hydraulic-cement grout.

C. Properties: Nonstaining, noncorrosive, and nongaseous.

D. Recommended Uses: Interior and exterior applications.

E. Design Mix: 5000 psi, 28-day compressive strength.

F. Packaging: Factory premixed and packaged.

0.12 TANK HEATER

A. Heater shall be similar to a “Ray Pac” heater complete with outside air turn-on for circulation. Pumps and aquastat to turn heater on. Heater shall be capable to produce 47,100 BTU in accordance with NFPA 22 for an insulated tank with outside temperature of -10°F. Heater vent shall be piped and flashed through pump house roof.

0.13 ALTITUDE VALVE

A. Valve shall be a Cla-Val Model 210 globe style.

0.14 PRESSURE RELIEF VALVE

A. Valve shall be a Cla-Val Model SOB-4KG-1 pilot-actuated relief valve.

PART 3 - EXECUTION

0.1 EXAMINATION

A. Examine areas, equipment foundations, and conditions with Installer present for compliance with requirements for installation and other conditions affecting fire pump performance. Do not proceed with installation until unsatisfactory conditions have been corrected.

B. Examine fire-protection piping systems. Verify actual locations of piping connections before installation.

0.2 CONCRETE EQUIPMENT BASES

A. Install concrete equipment bases of dimensions indicated for fire pumps, pressure- maintenance pumps, and controllers. Refer to Division 15 Section "Basic Mechanical Materials and Methods."

0.3 INSTALLATION

A. Comply with manufacturer's written installation and alignment instructions and with NFPA 20 and Factory Mutual Data Sheet 3-7.

B. Install pump in pumphouse and arrange piping layout to provide access for periodic maintenance, including removal of motors, impellers, couplings, and accessories as shown on drawings.

C. Set base-mounted pumps on concrete equipment bases. Disconnect coupling halves before setting. Do not reconnect couplings until alignment operations have been completed. 1. Support pump base plate on rectangular metal blocks and shims, or on metal wedges having small taper, at points near foundation bolts to provide a gap of 3/4 to 1-1/2 inches between pump base and foundation for grouting. 2. Adjust metal supports or wedges until pump and driver shafts are level. Check coupling faces and suction and discharge flanges of pump to verify that they are level and plumb.

D. Install suction and discharge pipe sizes equal to or greater than the diameter of fire pump nozzles.

E. Install valves of types and at locations indicated that are same size as piping connecting fire pump, test headers, and other piping systems.

F. Install pressure gages with valves on suction and discharge of fire pump at integral pressure gauge tappings provided.

G. Support pumps and piping separately so that weight of piping system does not rest on pumps.

H. nstall piping accessories, hangers and supports, anchors, valves, meters and gauges, and equipment supports as indicated for complete installation.

I. Install water supply and drain piping for diesel-engine heat exchanger. Extend drain piping from heat exchanger to point of disposition, as indicated. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping installation and joint construction.

J. Install exhaust system piping. Extend to point of termination outside structure. Install pipe and fittings with welded joints, and components having flanged connections with gasketed joints. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping installation and joint construction.

K. Install condensate drain piping for diesel-engine exhaust system. Extend drain piping from low points of exhaust system to condensate traps and to point of disposition, as indicated. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping installation and joint construction.

L. Electrical Wiring: Install electrical devices furnished by equipment manufacturers but not specified to be factory mounted. Furnish copy of manufacturer's wiring diagram submittal to Electrical Installer. 1. Verify that electrical wiring installation is according to manufacturer's submittal and installation requirements of National Electric Code. Do not proceed with equipment startup until wiring installation is acceptable.

M. Tank Heater: Install tank heater complete with all equipment. All electrical power wiring shall be by Electrical Contractor.

0.4 ALIGNMENT

A. Align fire pump and driver shaft after complete unit has been leveled on foundation and after grout has set and foundation bolts have been tightened.

B. After alignment is correct, tighten foundation bolts evenly but not too firmly. Fill base plate completely with nonshrink, nonmetallic grout with metal blocks and shims or wedges in place. After grout has hardened, fully tighten foundation bolts. Check alignment and take corrective measures required.

C. Make piping connections, check alignment, and take corrective measures required. 1. Adjust alignment of pump and driver shafts for angular and parallel alignment by 1 of 2 methods specified in Hydraulic Institute Standards Section "Centrifugal Pumps--Instructions for Installation, Operation and Maintenance." 2. Alignment Tolerances: Meet manufacturer's recommendations.

0.5 CONNECTIONS

A. Connect cooling-system water supply and drain piping to diesel-engine heat exchangers.

B. Connect exhaust system piping to diesel engines.

0.6 FIELD QUALITY CONTROL

A. Manufacturer's Field Service: Provide services of factory-authorized service representative to supervise field assembly of components, installation of fire pump units and pressure-maintenance pump units, including piping and electrical connections, and field acceptance tests. Report test results in writing.

B. Check suction lines connections for tightness to avoid drawing air into pumps.

C. Perform field-acceptance tests of fire pump, driver, and controller and system piping, when fire pump installation is complete. Comply with operating instructions and procedures of NFPA 20 to demonstrate compliance with requirements. Where possible, field-correct malfunctioning equipment, then retest to demonstrate compliance. Replace equipment that cannot be satisfactorily corrected or that does not perform as specified and as indicated, then retest to demonstrate compliance. Verify that fire pump performs as specified and as indicated.

0.7 COMMISSIONING

A. Startup Services: Provide services of factory-authorized service representative to provide startup service and to demonstrate and train Owner's maintenance personnel as specified below. 1. Test and adjust controls and safeties. Replace damaged and malfunctioning controls and components. 2. Train Owner's maintenance personnel on procedures and schedules related to startup and shutdown, troubleshooting, servicing, and preventive maintenance. 3. Review data in the "Operating and Maintenance Manual." Refer to Division 1 Section "Project Closeout." 4. Schedule training with at least 7 days' advance notice. 5. Provide fire hoses in number, size, and of length required to reach a storm drain or other acceptable location to dispose of fire pump test water. These fire hoses are for field acceptance tests only and are not intended to become property of the Owner.

B. Final Checks Before Startup: Perform the following preventive-maintenance operations and checks before startup: 1. Lubricate oil-lubricated bearings. 2. Remove grease-lubricated bearing covers and flush bearings with kerosene and thoroughly clean. Fill with new lubricant according to manufacturer's recommendations. 3. Disconnect coupling and check electric motor for proper rotation. Rotation shall match direction of rotation marked on pump casing. 4. Check that pump is free to rotate by hand. Do not operate the pump if it is bound or if it drags even slightly until cause of trouble is determined and corrected. 5. Install coolant in cooling system. Fill closed-loop cooling system with potable water and add rust inhibitor. 6. 6. Install coolant in cooling system. Fill closed-loop cooling system with solution of 50 percent potable water and 50 percent ethylene glycol permanent antifreeze. Add rust inhibitor if not included in antifreeze.

C. Starting procedure for pumps: 1. Prime pump by opening suction valve and closing drains, and prepare pump for operation. 2. Open sealing liquid supply valve if pump is so fitted.

3. Start motor. 4. Open discharge valve slowly. 5. Observe leakage from stuffing boxes and adjust sealing liquid valve for proper flow to ensure lubrication of packing. Do not tighten gland immediately, but let packing run in before reducing leakage through stuffing boxes. 6. Check general mechanical operation of pump and motor. 7. Check out low pressure cut off panel.

END OF SECTION

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