MAIN MACHINERY PACKAGE

Equipment: SHAFTING (PORT & STBD) MAKE : : KAMEWA ULSTEIN

Measure poker gauge readings, pin gauging and stern drop readings,Shaft loading readings in presence of class surveyor & OEM service engineer (PORT & STBD - 2Nos) .and to be compared with previous/initial readings for correctness. Make: Cadervall & Sonar, Type: White metal bearing

1. The following works to be attended before renewing the propulsion spares

a) Both P & S all shafts along with propeller to be decoupled, and its all equipments to be removed and shafts to be withdrawn from the position. b) In way jobs includes gutting and degutting of Port and Stbd side 03 nos transverse frame in shaft alleyway. c) Refixing of all shafts along with the propeller after carrying out the necessary works.correctness

2. After removal of shafts, cleaning and inspection, the following spares are to be renewed.

(a) SKF Products/OK Coupling, OKCA 290/26254 Complete assembly/Port,

(b) SKF Products/OK Coupling, OKCA 290/26254 , Sealing, Pos: 5/Stbd

c) Bulkhead seal Repair Kit/Pos: 1,2,3,4 (Port and Stbd)

(d) Stern tube bearing, Fwd shaft dia 300 (Port and Stbd)

(e) Stern tube bearing, Aft shaft Dia 320 (Port and Stbd)

(f) Aft seal size 355 Complete Housing set with sealing ring (Port and Stbd),

Witnessing of trueness checks of the propeller shafts. ** Loading and Unloading, transporation under contractor scope. Crane facility yard scope.

Check stern tube seal (P) (Make/Model: Simplex- Compact, SC2Z/SC2C, shaft size 355/330 mm) for any leakages.

Check stern tube seal (S) (Make/Model: Simplex- Compact, SC2Z/SC2C, shaft size 355/330 mm) for any leakages.

Chemically Clean and pressure test stern tube hydraulic system pipes (Pipe dia: 32 mm, Length:12 M each side, WP: 01 bar) *** all the required materials are under contractor's scope. *** All fasteners & fittings renewal, if any, are included in the scope of the work.

Chemically Clean and pressure test Plummer block (10 Nos) F/W cooling system pipes and bearing housing cooling chamber (pipe dia: 25 mm, Length: 35 mtrs on each side) Do only 25% of system pipe line.

Renewal of SS 316 Dia 25mm

Renewal of MS pipe Dia 25mm, Sch 80

Clean and pressure test pneumatic air system pipes(Length-20mtrs, Dia15mm) and overhaul system pneumatic valves(SDSL) and air reducer in the system (Qty – 04 No. Valves, 02 reducer) *** all the required materials are under contractor's scope. *** All fasteners & fittings renewal, if any, are included in the scope of the work.

Pipeline Dia 15mm

SDSL Valves 15mm

Air reducer 15mm

Renewal of SS 316 Dia 15mm

Renewal of MS pipe Dia 15mm, Sch 80

Drain Lub oil from stern tube header tank. Clean the tank internally and top up Lub oil Cap – 55 Ltrs. Oil CG Supply ***Lube oil CG supply.

Check UHF coupling for pitting marks. UHF shaft coupling (Make- Rolls Royce Marine).

Check and calibrate Stern tube bearing sensor fwd (02 Nos.) and aft (02 Nos.) ***Contractor to provide calibration certificate. ***All required materials are under contractor's scope.

Check and calibrate all Plummer block bearing temperature sensor. ***Contractor to provide calibration certificate. ***All required materials are under contractor's scope.

Check/inspection of the Plummer block bearings and clearance. Make: Cadervall & Sonar, Shaft bearing cone 190, Type of Bearing: White metal bush bearing.

Renew disc type zinc anode fitted with aft stern tube seal during dry dock. ***Anodes CG supply

Check conditions of shaft surface in the area of bulk head sealing ring (Qty-6Nos).

Check wear of bulk head sealing ring. (Qty – 10 Nos). Details as follows: Watertight Seal- Make: Simplex Compact, Type: Centrax, Sealing ring: Art Carbon, Size: 300 MM, Qty: 04 (FR 36& 46). Gastight Seal- Make: Simplex Compact, Type: SC-2 ZBSE, Sealing ring: 4+5 Perbunan-S, Size: 330 MM, Qty: 04(FR 26 & 56) Conical Seal- Make: ZOLLERN, Type: ZFZLK 14-140, Qty: 02(FR 66)

Oil leakage observed from Port propeller shaft gas tight bulkhead seal in pump room no. 2 (Make: Simplex compact, Type: SC-2 ZBSE, Sealing ring: 4+5 Perbunan-S, Size: 330 MM, Frame-26). Due to leakage, bulkhead seal tank is being replenished every day during sailing. Leakage to be arrested and seal to be proved for satisfactory operation. Liners to be inspected/renewed if required. ***Spare CG supply

SME forward stern tube bearing temperature sensor defective. Fitment of new temperature sensor to be carried out. ***Do in conjunction with EB-3002. ***Spares CG supply.

Remove & Refitment rope guard, eddy plate,shaft bracket,rudder shaft brackets etc for inspection & cleaning

MAIN ENGINE/PROPULSION CONTROL- 02 NO. M/S HELICON-X (PAC- M/S KONGSBERG)

Following alarm and safety trips of both Main Engines (Port & Stbd) to be carried out. OEM shall be arranged by yard.

Over speed Trip

Low Lube oil pressure alarm

Low Lube oil pressure Trip

Jacket water temp. High alarm

Jacket water temp. High trip

Shaft bearing temperature high alarm

OMD Trip

Gear oil low alarm

Gear oil low trip

Fuel oil pressure low alarm

Starting air pressure low alarm

Low clutch oil pressure on gear box alarm

Nozzle oil temperature high alarm

Charge air temperature

Lub oil temp. after cooler high alarm

Shaft bearing temp. high alarm

Starting interlock priming press

Turning Gear interlock

Auto start of gear oil standby pump

Auto stop of gear oil stand by pump

Starting interlock key switch

Stern Tube bearing temperature

Equipment: PNEUMATIC CLUTCH (PORT & STBD). MAKE : : MESLU-RATO-S

Measure axial distance between friction drum and friction disc for ascertaining wear down of friction liner of Pneumatic clutch (engaged and stand still condition) and carry out replacement if when wear down to 09mm recorded.

Change oil of Pneumatic clutch in warm operating condition. Oil CG supply

Check condition of flexible RATO-S coupling part provided for connecting Shaft generator & Gear box and Main engine & Fi-Fi pump.

Equipment: STEERING GEAR (Port&Stbd) MAKE : :ELECTRO HYDRAULIC STEERING SYSTEM, TENTJORD, TYPE: 2X SR 662-FCP, CAPACITY : 24/12 Second(2X35 degree)(one/two pump), MAX TORQUE : 170KNM(ASP)

Visual check of coupling and seal on pump shaft. Any oil in the ducted lantern indicates that the seal on pump shaft should be replaced. ** Do In –situ inspection

Test setting of relief valves on maneuvering valves by operating hand levers for emergency operation. Open cock provided for connecting pressure gauge and record pressure reading when actuator is running against mechanical stop. Record idling pressure when the rudder is moving from hard over to hard over. Close gauge cocks after test to avoid wear of pressure gauge.

Check rotor vane seals.

Actuator to be dismantled for renewal of internal seals.

Check and record jumping clearance in presence of class surveyor.

Remove old grease from rudder trunk , inspect internal chamber of rudder trunk for leakages. Change rudder trunk grease with new grease (Brand: Castrol Spheerol SX2/ SERVO GEM HT SUPER (No. 0809IV0011). Qty 180 kg/rudder trunk) *** Grease CG supply

Check bearing clearance in presence of class surveyor. (a) Neck Bearing (i) (longitudinal & transverse) 3.0 mm (max clearance) (b) Flap Hinge Bearing (i) Axial 1.5 mm (max clearance) (ii) Radial 5.3 mm (max clearance) (c) Link Bearing (i) Upper bearing 5.5 mm (max clearance) (ii) Lower bearing 5.5 mm (max clearance) (iii) Bearing block 5.5 mm (max clearance) Note: - Use dial micrometer and force rudder stock in both longitudinal and transverse direction by using jack/pulley. Ref. drawing SM3627 *** Calibration certificate of instruments used shall be produced to CSL.

Check condition of rudder flap, sliding rod and hinges and renew. **Examination of rudder with emphasis on bushes, condition of bearings and effectiveness of stuffing boxes etc. *** Spares CG supply

Renew lower and upper seal and O ring of rudder flap. Rudder is required to be removed and reinstalled. Rudder flap to pressure tested and oil coat application.

Overhaul frequency controlled pump ( FCP) and renew mechanical seals and defective/worn out parts. *** spares CGsupply

Calibrate all gauges and renew defective gauge. ***Do through NABL accredited/ authorized agency. ***Calibration certificate to be provided by contractor *** Spares CG supply.

Check performance of hand steering pump.

Renew hydraulic oil in the entire system after cleaning and flushing system. *** Oil CG supply.

Undertake synchronization of rudder angle between ASP and bridge during dry dock.

Overhauling of steering gear control system to be carried out and system to be proved for satisfactory operation. Overhaul includes following:- (a) Check electrical limit switch for correct operation. (b) Check all safeties and alarms. (c) Check hydraulic lock alarm on steering gear. (e) Check steering gear standby system operation and alarm. (f) Synchronize rudder angle between ASP and bridge (Console indicators-02 no., Panorama indicatotors-04 no.)

Overhauling of 04 in no. Steering gear Motors (415V, 3-Phase, 9.5 KW) to be carried out.

02 in no. Panaroma indicators fitted in bridge showing erratic reading and movement of indicator is sluggish. Defect to be rectified and system to be proved.

COMBI THRUSTER MAKE : BOW THRUSTER ULSTEIN AQUAMARINE, TYPE : TCNC 73/50-180, CAPACITY : 800 KW( BT ROOM)

Drain oil from bottom plug in lower gear housing. Check for water content and other impurities. After completion, oil need to be filled. Oil & Spares CG supply

Inspect the gearwheels using inspection covers. Replace seals.

Remove the rope guard, and drain oil from the chambers in the propeller shaft seal. Fill Oil. *** Spares and Oil CG supply.

Open the seal tank shut off valve, drain oil from seal chamber and replace oil. *** Oil & Spares CG supply

Check wear on ring anode on the propeller shaft seal wear liner. Replace anode if 50% only remains. Check other anodes on propeller hub and nozzle. ***Anodes CG supply

Inspect the bow thruster outside area of the underwater part for any wear or damage, or traces of cavitation damage to prop blades, etc. Renew if required. *** Spares CG supply.

check and Replace all seals, O rings, rubber elements, coupling element. Check condition of bearings. Bow thruster is required to be removed and re-installed. carry out necessary repairs, if any.

Check inside if the trunk, inclusive the locking bolt brackets for any damage, cracks etc. and carry out necessary repairs.

BT motor cooler and gear box oil cooler to be chemically cleaned, pressure test and carry out necessary repairs of cooler. *** All chemicals, consumables etc., required are under contractor's scope.

Check main propeller blades for pitting and surface deterioration

Overhauling of upper and lower locking pins to be carried out.

BOW THRUSTER (M/S ROLLS ROYCE) Following motors of BT system to be overhauled. (All items contractor supply)

Name of Motor : Servo Motor for Hydraulic system (Capacity: 22 KW, 415 V, 3ph)

Bevel gear Motor(2 KW, 415 V 3ph)

Functional checks and calibration of Bow thruster control system to be carried out through PAC firm M/s Kongsberg. The control panel consist of following panel

Name of Panel : Remote Control system Node-20 ( Actuator Pitch bow thrusters)

Remote control system Node-21 ( Actuator Direction Bow thrusters)

Remote control system Node-1 ( Electronic Unit Bow thrusters

Remote control system Node-15 (Bow thrusters Alarm unit)

Main bridge Control Panel

EQUIPMENT : REDUCTION GEARBOX MAKE : KAMEWA ULSTEIN, TYPE :1500 AGHC-KPC560 CAPACITY: 5700 KW, QUANTITY : 02 No (GEAR ROOM) 20000 Hourly routines (EA 3148-155)/ 10 Yearly

Change O-ring at clutch oil inlet arrangement.

Change flexible coupling element main servo pump.

Check pitch feedback mechanism. Check connection between rod/arm/belt driven feedback assembly

Check play in pinion, PTO and output shafts.

Check condition of one ahead thrust bearing pad.

Check wear in clutch. Take piston travel measurement.

Change oil if synthetic oil in use.

Chemically clean and pressure test both gearbox Oil coolers. Make: BLOCKSMA heat exchanger, Type: Shell/Tube, Testing Pressure oil / water side: 24/15 bar.

GEAR BOX MOTORS (30 KW &18.5 KW, 415V, 3-PHASE) AND CONTROL PANEL -04 No. M/S RRMI

Following Motors to be overhauled

Stand By LO Pump Motor for CPP (415V, 3P,30KW)

Stand By Servo Oil Pump Motor for CPP (415V, 3P, 18.5 KW)

Following to be calibrated in the control panel and calibration certificate to be provided (a) Over load Relay (Range - 10 to 55A, LR 2D33) – 04 no. (b) Ammeter (0-80A) – 04 no.

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