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INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS

FIRE PUMPS - NF-VTP SERIES

Ref. No. NFVTP-IOM/

2016

/V.

Description

Visual

Inspection

Check Change Clean Test Frequency

Date

(g) Condition of flexible hoses and
connections

Weekly

(h) Jacket water heater

Weekly

(i) Inspect duct work, clean louvers
(combustion air)

Annually

(j) Water strainer

Quarterly

. Exhaust system

(a) Leakage

Weekly

(b) Drain condensate trap

Weekly

Quarterly

(d) Excessive back pressure

X Annually

(e) Exhaust system hangers and
supports

Annually

(f) Flexible exhaust section

Semiannually

. Battery system

(a) Electrolyte level

Weekly

(b) Terminals clean and tight

Quarterly

11. FIRE PUMP INSPECTION, TESTING AND MAINTENANCE SCHEDULE

Содержание NF-VTP Series

Страница 1: ...FIRE PUMP INSTALLATION OPERATION MAINTENANCE VERTICAL TURBINE NF VTP SERIES I N S T R U C T I O N S...

Страница 2: ...ontal Motor 8 5 5 Mounting Drive Shaft 9 5 6 Aligning Pump and Driver 10 5 7 Drive Shaft Alignment 11 5 8 WATER TANK 13 5 9 Delivery Piping 14 5 10 Pressure Relief Valve 15 5 11 Operating instructions...

Страница 3: ...antling 31 8 4 Inspection Replacement and Reassembly 33 8 5 Exploded View of Split case Fire Pump 34 8 6 Parts Details of Vertical Turbine Fire Pump 35 9 SPARE PARTS TOOLS CONSUMABLES 35 9 1 Spare Par...

Страница 4: ...ays wear safety shoes and safety gloves Monitor water leakage of pump gland packing If excessive leak adjust the packing do not place hands or finger into this area During maintenance disconnect batte...

Страница 5: ...n floor Strainer if fitted on the pump should be removed prior to lifting to avoid using it as a pivot point during lifting Only lifting lugs on the discharge head should be used whenever the entire p...

Страница 6: ...UCTIONS FIRE PUMPS NF VTP SERIES Ref No NFVTP IOM 2016 V 02 5 INSTALLATION Fire water pump sets and control systems should be installed and accepted in accordance with NFPA 20 Failure to install the s...

Страница 7: ...nt and rigid support to the entire pump Foundation area should have adequate space for future inspection and maintenance activities and should be sufficient enough to provide a solid footing The found...

Страница 8: ...it between the discharge head and the mounting flange align with the foundation bolts Continue to lower the pump assembly until the bolts enter the holes in the base Place wedges under the discharge h...

Страница 9: ...st the driver up Inspect the mounting surface register and clean these surfaces thoroughly Any burrs found on the mounting surface should be removed using a smooth mill file and clean afterwards Posit...

Страница 10: ...before proceeding further Install the top drive coupling or clutch over the top shaft Insert the ratchet pins In case of ball type ratchet place the ratchet balls and install the rotating half of the...

Страница 11: ...mpellers will be resting on the lateral bowl wear rings and considerable resistance due to friction can be felt when turning the shaft by hand To set impellers to the mid position proceed as follows T...

Страница 12: ...he base frame as shown in the Fig No 10 All shims must be perfectly flush and uniformly tighten up using securing means Base plates have to be grouted with non shrinking mortar up to the upper edge of...

Страница 13: ...nge discharge head mounting flange and foundation If any leveling problem is found between discharge head mounting flange and foundation it can be corrected by shimming between them 3 Eccentricity of...

Страница 14: ...roceeding further with the installation Universal joint operating angles at each end of a drive shaft should always be at least 1 At the same time this deflection angles 1 and 2 must be equal within 0...

Страница 15: ...OPERATION AND MAINTENANCE INSTRUCTIONS FIRE PUMPS NF VTP SERIES Ref No NFVTP IOM 2016 V 02 shown in the Fig No 15 in order for the angle 1 and 2 be equal when the angle is measured using the method de...

Страница 16: ...TIONS FIRE PUMPS NF VTP SERIES Ref No NFVTP IOM 2016 V 02 Water tank should provide sufficient and reliable water supply for the fire protection system The depth of the tank should match with the pump...

Страница 17: ...equirements for piping and these must be strictly observed Refer to the appropriate standard for details See Fig No 20 The discharge piping should be supported independently and close to the pump so t...

Страница 18: ...osses Make sure that all piping joints are airtight Where increasers are used in discharge line it should be concentric type Failure to comply with this may adversely affect the performance of the pum...

Страница 19: ...the flow meter 5 Start fire pump read meter in gpm 6 Refer to pump flow requirement and adjust throttle valve 7 After test open system valve and close system test line and throttle valves 5 12 Pressur...

Страница 20: ...ifice shall be permitted in place of the check valves In most cases potable water is considered to be acceptable for this application Where the above requirements are not met there shall be two check...

Страница 21: ...r closed engine circuits are cooled by a supply of coolant from the pump outlet This supply is passed through the heat exchanger and is then pipe to waste See Fig No 23 A flow control system is fitted...

Страница 22: ...e adequately supported It is important that fire pump engines should be provided with gravity fuel feed hence fuel tank bypass valves in the cooling line to enable the flow of water to the engine The...

Страница 23: ...Unthread the lock nut connecting the reading scale assembly and bushing that is to be fitted on to the fuel gauge opening 2 Thread in the bushing to the 2 fuel gauge opening on the fuel tank 3 Insert...

Страница 24: ...0 edition Mild steel 2 Sensing line 15 mm Brass rigid copper stainless steel 3 Diesel fuel inlet 15 mm Black steel or stainless steel piping 4 Engine exhaust line As per diesel engine manufac ture rec...

Страница 25: ...P P E R 1 2 N R V W IT H 3 3 2 H O L E B A L L V A L V E T O D R A IN U N D E R G R O U N D W A T E R T A N K P R E S S U R E S E N S IN G L IN E P R E S S U R E S E N S IN G L IN E P R E S S U R E S...

Страница 26: ...Than Inlet FIRE W ATER TANK DIESEL FUEL TANK Fuel Pipe CONTROLER Pressure Sensing Line CONTROLER Pressure Sensing Line FIRE PUMP ROOM SCHEMATIC DIAGRAM Flow Meter Return Line TEST LINE EXHAUST SYSTEM...

Страница 27: ...in discharge piping Yes No 7 Isolation valve in discharge piping Yes No 8 Separate and dedicated sensing line for electrical diesel and jockey pump Yes No 9 The pressure sensing line connection for e...

Страница 28: ...No 21 Offset and operating angles for drive shaft meets manufacturer s instructions Yes No 22 The surface of the foundation must be completely horizontal and perfectly flat Yes No 23 The foundation s...

Страница 29: ...No 7 Ensure discharge pressure gauge automatic air release valve and flow meter are available Yes No 8 Fully open all auxiliary lines and ensure that they are functioning properly Yes No 8 Ensure the...

Страница 30: ...Check the performance of the driver engine or motor Yes No 22 Observe the noise during running for further investigation and rectification if any Yes No 6 2 Start up Start the pump against a closed d...

Страница 31: ...eaters during colder months Check ventilating louvers to make sure that they are free to operate Check pump discharge valves to make ensure that they are open Examine piping fitting and connections fo...

Страница 32: ...ping the pressure in the controller sensing line After starting the pump should be run at least 10 minutes Record the pressure at which the pump automatically started Record the pump suction and disch...

Страница 33: ...current reading should be 2 to 5 amps after 5 minutes of running time Verify that engine will start off of both sets of batteries Verify operation of all supervisory signals i e pump running controll...

Страница 34: ...rap packing around the shaft before cutting Fig No 28 9 Cut the coil on the marked point to form a gland packing ring It should be cut diagonally at an angle of 45 degree 10 Check the first ring to en...

Страница 35: ...oving the bolts connecting them Remove the discharge head carefully without damaging or bending the shaft Disconnect the top column section by removing the bolts from the joint below it Carefully remo...

Страница 36: ...e diameter slightly smaller than the outside diameter of the bearing Use bearing pullers to pull out the suction bell bearings 8 4 Inspection Replacement and Reassembly Inspect the pump parts after th...

Страница 37: ...STALLATION OPERATION AND MAINTENANCE INSTRUCTIONS FIRE PUMPS NF VTP SERIES Ref No NFVTP IOM 2016 V 02 8 5 Exploded View of Split case Fire Pump Fig No 30 1 2 3 5 4 6 7 8 9 10 11 12 13 14 20 21 23 25 2...

Страница 38: ...031 Impeller Lock Nut 14 NFVTP 13014 Upper Line Column Pipe 32 NFVTP 13032 Suction Bell 15 NFVTP 13015 Middle Line Shaft 33 NFVTP 13033 Sleeve for Suction Bell 16 NFVTP 13016 Bearing Retainer 34 NFVTP...

Страница 39: ...er Calibrated micrometer Spanner 1 set Multimeter Fiber Mallet Screw Driver Packing hook wire hook Pocket knife Machinist s level 9 3 Recommended Consumables Lubricating oil Grease Vaseline Sulfuric A...

Страница 40: ...oltage Speed is too low Check if driver is directly across the line and receiving full voltage Defective motor Consult factory Wrong rotation Ensure that pump is rotating CCW when viewed from above Ch...

Страница 41: ...ing stages or increase impeller diameter Field head requirement greater than design head Check system friction loss increase discharge piping size Consult factory for adding stages or increase impelle...

Страница 42: ...the system Misalignment Realign pump and driver Motor or gear drive hollow shaft end play maladjustment Adjust the end play as given in the driver IOM manual Foreign object lodged between impeller and...

Страница 43: ...voltage exceeds 9 volts on a 12 volt system or 18 volts on a 24 volt system X Weekly 6 Electrical system a General inspection X Weekly b Tighten control and power wiring connections X Annually c Wire...

Страница 44: ...lectrical system 1 Exercise isolating switch and circuit breaker X Monthly 2 Trip circuit breaker if mechanism provided X Annually 3 Operate manual starting means electrical X Semiannually 4 Inspect a...

Страница 45: ...level X X Weekly b Tank float switch X X Weekly c Solenoids valve operation X X Weekly d Strainer filter or dirt leg or combination thereof X Quarterly e Water and foreign material in tank X Annually...

Страница 46: ...evel X X Weekly b Oil change X 50 hours or annually c Oil filter s X 50 hours or annually d Lube oil heater X Weekly e Crankcase breather X X X Quarterly 3 Cooling system a Level X X Weekly b Antifree...

Страница 47: ...eater X Weekly i Inspect duct work clean louvers combustion air X X X Annually j Water strainer X Quarterly 4 Exhaust system a Leakage X X Weekly b Drain condensate trap X Weekly c Insulation and fire...

Страница 48: ...uthorizes any other person to assume for it any other liability in connection with such equipment This warranty will be considered void by the following 1 Failure to provide regular maintenance in acc...

Страница 49: ...46 of 46 Subject to change without prior notice INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS FIRE PUMPS NF VTP SERIES Ref No NFVTP IOM 2016 V 02 NOTES...

Страница 50: ...NFVTP IOM 2014 V 01 Project Name Location Fire Pump Set Duty Point Electric Fire Pump Sl No s Diesel Fire Pump Sl No s Commissioned By Date of Commissioning Signature of Commissioning Engineer...

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