Subject: WARTSILA 8L20 MARINE GENERATOR


Date: 4/16/2024 9:06:57 AM

Details: Reviews 1

Make: WARTSILA
Model: 8L20
Mfg Date: 2002
Working Condition: Used.
Quantity:  4 Units.
Output : 1860 KVA.
Speed: 900  RPM.
Frequency : 50Hz

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JUSTUS MUTHIANI
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11/7/2025 5:03:38 PM Kenya

Kind request for quotation and technical datasheets for below

SCHEDULE 1: CRANKSHAFT RENEWAL & ASSOCIATED PARTS

 

Item No.

 

Part No.

 

Description

 

UoM

 

Qty

Unit Price PPCBL Inc & VAT Exclusive (Ksh)

 

Total Price(Ksh)

1110017Crankshaft assemblyPc1  
2111001Connecting rodPc1  
3111002Gudgeon Pin bearing bushPc1  
  SUB- TOTAL1 Total PricePPCBL Inc &VAT Exclusive (Ksh) 

 

SCHEDULE 2: OVERHAUL SPARE PARTS

 

 

No.

 

Part No.

 

Description

 

UoM

 

Qty

Unit Price PPCBL Inc & VAT Exclusive (Ksh)

 

Total Price(Ksh)

1100023O-ringPc10  
2100025O-ringPc32  
3100132Sim ringPc6  
4107039Hose gasketPc8  
5107042Hose gasketfor camshaft gear coverPc1  
6107061GasketPc1  
7110022Spare part set for vibration damperPc1  
8111004Con rod stud ScrewPc16  
9120015Sealing set for cylinder head overhaulPc1  
10120051Sealing set for cylinder head removalPc8  
11131006O-ringPc3  
12143002Adjusting screwPc8  
13143010Yoke for exhaust valve, completePc8  
14143013NutPc16  
15143014Yoke for inlet valve, completePc8  
16145001Push rodsPc2  
17145003O-ringPc16  
18145004O-ringPc16  
19148008O-ringPc1  
20156112O-ring kitPc2  
21156114Bearing part kitPc1  

 

No.

 

Part No.

 

Description

 

UoM

 

Qty

Unit Price PPCBL Inc & VAT Exclusive (Ksh)

 

Total Price(Ksh)

22167008ScrewPc16  
23182038Bearing bushPc4  
24182039Sealing kit forPre lub assemblyPc1  
25182103Ball bearingPc1  
26182104Ball bearingPc1  
27183005O-ringPc4  
28183076O-ringPc8  
29196055O-ringPc4  
30196056O-ringPc4  
31200008Sealing ringPc32  
32200009ScrewPc98  
33200010WasherPc100  
34200011NutPc100  
35200012SupportPc6  
36200034SupportPc6  
37200039SupportPc6  
38200042SupportPc6  
39200043ScrewPc8  
40200046SupportPc6  
41218006Starter motorPc1  
42218007Pressure regulating valvePc1  
43218110Starter motor overhaul kitPc1  
44220395Spare part kitPc1  
45223003Bearing bushPc2  
46223005O-ringPc1  
47223014GasketPc1  
48224007Bearing bushPc5  
49224031Bearing bushPc1  
50224048V-ringPc10  
51228003Slide ringPc16  
52352132O-ringPc2  
53471063Filter cartridgePc114  
54471172O-ringPc24  
55471179O-ringPc60  
56471180O-ringPc24  
57471185O-ringPc2  
58471186O-ringPc2  
59CV321Solenoid valve, starting airPc????????1  

 

No.

 

Part No.

 

Description

 

UoM

 

Qty

Unit Price PPCBL Inc & VAT Exclusive (Ksh)

 

Total Price(Ksh)

60181036Bearing bushPc12  
61183003Thermostat elementPc4  
62191012BearingPc4  
63191013BearingPc4  
64473153Sealing setPc48  
65100002LinerPc2  
 SUB – TOTAL 2 TotalPrice PPCBL Inc& VAT Exclusive (Ksh) 

 

 

SCHEDULE 3: GOVERNOR ACTUATOR SERVICE

 

NoDescription

 

 

UoM

 

 

Qty

Unit Price PPCBL Inc & VAT Exclusive (Ksh)

 

Total Price(Ksh)

1Governor Actuator serviceAct1  
2Transportation costAct1  
 SUB-TOTAL 3 Total PricePPCBL Inc &VAT Exclusive (Ksh) 

SCHEDULE 4: TURBO CHARGERSERVICE

 

 

No

 

Description

 

UoM

 

Qty

Unit PricePPCBL Inc & VAT Exclusive (Ksh)

 

Total Price(Ksh)

1Turbocharger service.Act1  
2TransportationcostAct1  
 SUB-TOTAL 4 Total PricePPCBL Inc &VAT Exclusive (Ksh) 

SCHEDULE 5: UPTO 24,000 RUNNING HOURS OVERHAUL SERVICE

 

 

 

No

 

 

Description

 

 

UoM

 

 

Qty

Unit Price PPCBL Inc & VAT

Exclusive (Ksh)

 

Total Price(Ksh)

 

1

Up to 24,000 running hours Wartsila 8WL20 recommended maintenance schedule as per engineservice manual

 

Act

 

1

  
 SUB- TOTAL5 Total PricePPCBL Inc &VAT Exclusive (Ksh) 

SCHEDULE 6: SUNDRY CONSUMABLES

 

 

Item No.

 

Part No.

 

Description

 

UoM

 

Qty

Unit Price PPCBL Inc & VAT Exclusive (Ksh)

 

Total Price(Ksh)

1387003Loctite 242ml100ml  
2387005Loctite 495g20g  
3387006Loctite 577ml100ml  
4387011Loctite 574ml1000ml  
5387012Loctite 518ml100ml  
6387014Bostic contact A3ml1000  
7387017Loctite 243ml100  
8387019Loctite 5900ml2400  
9387025H.Temp RTV redml200  
10387029Molykote GN Plusg100  
11387031Loctite 5205ml600  
12387036Loctite 620ml200  
13387038Gleitmo 805g200  
14387039Molykote CU 7439 plusg1000  
15C51003Combi degreaserL25  
16 Masking Tape M14Pc4  
17 Cotton ragsKg100  
18 Duct Tape 4'Pc2  
 SUB – TOTAL 6 Total PricePPCBL Inc &VAT Exclusive (Ksh) 

SUMMARY OF PRICE SCHEDULE SUB-TOTALS

 

 

No.DescriptionSub-TotalTotal Price(Ksh)
1Crankshaft Renewal & Associated PartsSub-Total 1 
2Overhaul Spare PartsSub-Total 2 
3Governor Actuator ServiceSub-Total 3 
4Turbo Charger ServiceSub-Total 4 
5Upto 24,000 Running Hours Overhaul ServiceSub-Total 5 
6Sundry ConsumablesSub-Total 6 
Sum of Sub-Total Price PPCBL Inc & VAT Exclusive(Ks) 
16% VAT 
Total PricePPCBL Inc & VAT Inclusive (Ksh) 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. INTRODUCTION

Wajir power station is located within the remotetown of Wajir at the North Easternprovince of Kenya. The precise google map coordinates is 1° 45.248' N; 40° 3.203' E.

The generator to be repairedis a Wartsila Model 8WL20 serial no PAAE246932 No. G4 locatedwithin the main power house.

  1. ENGINE DATA:

Generator Make:                                                       Wartsila

Model                                                                        8WL20

Serial No                                                                   PAAE246392

Current RunningHours:                                           39123

Last knownoverhaul running hours                         17064

  1. SCOPE OF WORKS Part A – SERVICES

Item

No.

Brief DescriptionActivity
1Crankshaft renewal1
2Carry out up to 24000 running hour maintenance procedure1
3Governor Actuator service1
4Turbo charger service1
5Provide Special Toolsand Equipment essential for crankshaft renewal and overhaul 
6Testing1

 

Part B – SUPPLYOF SPARE PARTS

( see technical specifications)

Part C – DELIVERY SCHEDULE

 

NoDescriptionPlace of DeliveryQtyNo of months to deliver to site / dispatch for specialized service

 

1

 

New crankshaft and Overhaul spares

Wajir Power station

 

Lot

Within eight (8) weeks or two (2) months from date of contract signing.

 

2

 

Governor Actuator service

Wajir Power station

 

1

Within eight (8) weeks or two (2) months from date of contract signing.

 

3

 

Turbo charger service

Wajir Power station

 

1

Within eight (8) weeks or two (2) months from date of contract signing.

Part D -

The contract period will be for one year.

SECTION VII - TECHNICAL SPECIFICATIONS PART I – NEW CRANKSHAFT AND ASSOCIATED COMPONENTS

To be supplied brand new and installed as per engine manufacturer’s guidelines and procedures.

 

Item

No.

Part No.DescriptionQtyRemarks
1110017Crankshaft assembly1 
 110016V-ring kit for crankshaft11 pc available on site
2111001Connecting rod1 
3111002Gudgeon Pin bearing bush73pc available on site
4111004Screw16 
5111010Big end bearing kit88pc available on site

PART II – WOODWARDGOVERNOR ACTUATOR SERVICE

Governor data Make: Woodward Part no. : A8251 - 758

Deliver the actuatorto accredited dealersfor service at preferably Flat rate servicebased on StandardOverhaul Scope, using the standard overhaul kit.

Scope of Service Work

Clean, Dismantle, Inspect and Report on the condition of the governor. Complete overhaul of received governorwith the standardoverhaul kits

Re-assemble, check and adjust in accordance with the unit specifications and engine automation settings.

PART III – TURBO CHARGERSERVICE

Turbo chargerdata:

Make: ABB (H2TL 112 903 R1) Type: TPS 52E01 HT503894

Weight: 250kg YoM: 2009

Manufactured by ABB Turbo system Ltd, Switzerland, CH5401 Baden

To be serviced by manufacturer accredited specialist dealers, and or licensed qualified personnel.

PART IV – OVERHAUL SERVICE UP TO 24000 RUNNING HOURS

 

Job No.Job duty

Associated Part

Number

DescriptionRemarks
1Clean centrifugal filter473153Sealing set 
2Functional checkof automation   
3Check function of overspeed trip   
4Replace the filter mat on turbocharger silencer156386Filter cartridge 
5Check controlmechanism   
6Check theturbocharger fastening boltsat feet   
7Clean thecharge air cooler476005Gasket set 
8Clean lubeoil cooler471172O-ring 
9Clean lubeoil cooler471179O-ring 
Job No.Job dutyAssociated Part NumberDescriptionRemarks
10Clean lubeoil cooler471180O-ring 
11Clean lubeoil cooler471185O-ring 
12Clean lubeoil cooler471186O-ring 
13Visually inspectcontact faces of camshaft   
14Inspect jacketwater spaces; Pullout one cylinder liner.  Clean if necessary
15Inspect jacketwater spaces; Pullout one cylinder liner.100023O-ring 
16Inspect jacketwater spaces; Pullout one cylinder liner.100132Sim ring 
17Inspect jacketwater spaces; Pullout one cylinder liner.120051

Sealingset for cylinder head

removal

 
18Inspect jacketwater spaces; Pullout one cylinder liner.387038Contact lubrication 
19Replace nozzles167020Nozzle 
20Replace nozzles167044Sealing setfor injection valve 
21Check connectors and cables  Site visit
22Replace roller bearings on electrical motorfor prelubricating pump182103Ball bearing 
23Replace roller bearings on electrical motorfor prelubricating pump182104Ball bearing 
24Check function of starting/smoke fuel limiter   
25Install new air stator motor218006  
26General overhaul of air starter motorCV321Solenoid valve, starting air 
27Inspect camshaft drivinggear107042Hose gasket forcamshaft gear cover 
28Clean and inspect HT-water thermostatic valve196055O-ring 
29Clean and inspect HT-water thermostatic valve196056O-ring 
30Clean and inspect HT-water thermostatic valve387011Glue compound 
31Inspect HT-water pump191012Bearing 
32Inspect HT-water pump191013Bearing 
33Inspect HT-water pump191041Sealing kit for LT/HT- water pump 
34Inspect HT-water pump387012Glue compound 
35Clean and inspect LT-water thermostatic valve183005O-ring 
36Clean and inspect LT-water thermostatic valve183076O-ring 
37Inspect LT-water pump191012Bearing 
38Inspect LT-water pump191013Bearing 
Job No.Job dutyAssociated Part NumberDescriptionRemarks
39Inspect LT-water pump191041Sealing kit for LT/HT- water pump 
40Inspect the lubricating oilpump181036Bearing bush 
41Inspect the lubricating oilpump352132O-ring 
42Inspect the lubricating oil pump387011Glue compound 
43Clean and inspect oil thermostatic valve183003Thermostat element 
44Clean and inspect oil thermostatic valve183005O-ring 
45Clean and inspect oil thermostatic valve183076O-ring 
46Inspect the prelubricating oil pump182003O-ring 
47Inspect the prelubricating oil pump182038Bearing bush 
48Inspect the prelubricating oil pump182064O-ring 
49Inspect the prelubricating oil pump182065Back-up ring 
50Inspect the prelubricating oil pump182066O-ring 
51Inspect the prelubricating oil pump182070O-ring 
52Inspect the prelubricating oil pump182088O-ring 
53Inspect the prelubricating oil pump182092O-ring 
54Inspect the prelubricating oil pump182099Sealing set 
55Replace lubeoil filter candles471063Filter cartridge 
56Replace lubeoil filter candles471126Sealing set 
57Replace rocker arm screws, yokeand adjusting screw143002Adjusting screw 
58Replace rocker arm screws, yokeand adjusting screw143010Yoke for exhaust valve, complete 
59Replace rockerarm screws, yokeand adjusting screw143013Nut 
60Replace rocker arm screws, yokeand adjusting screw143014Yoke for inlet valve, complete 
61Replace injection valve yoke tension screws167008Screw 
62Replace exhaust piping supports, nutsand screws200008Sealing ring 
63Replace exhaust piping supports, nutsand screws200009Screw 
64Replace exhaust piping supports, nutsand screws200010Washer 
65Replace exhaust piping supports, nutsand screws200011Nut 
66Replace exhaust piping supports, nutsand screws200012Support 
67Replace exhaust piping supports, nutsand screws200034Support 
Job No.Job dutyAssociated Part NumberDescriptionRemarks
68Replace exhaust piping supports, nutsand screws200039Support 
69Replace exhaust piping supports, nutsand screws200042Support 
70Replace exhaust piping supports, nutsand screws200043Screw 
71Replace exhaust piping supports, nutsand screws200046Support 
72Replace support bearing bushes and V-rings224007Bearing bush 
73Replace support bearing bushes and V-rings224031Bearing bush 
74Replace support bearing bushes and V-rings224048V-ring 
75Overhaul of over speedtrip device228003Slide ring 
76Replace theturbocharger bearings156112O-ring kit 
77Replace the turbocharger bearings156114Bearing part kit 
78Replace the control system vibration dampers507200Vibration damper 
79Replace the control system vibration dampers516053Vibration damper 

 

Part V – Overhaul Maintenance Sparesfor up to 24000 RunningHours

 

Item No.Part No.DescriptionQtyRemarks
1100003Anti-polishing ring88 pc available on site
2100023O-ring166 pc available on site
3100025O-ring32 
4100132Sim ring82 pc available on site
5107035Hose gasket2.5m 
6107039Hose gasket7 
7107042Hose gasket forcamshaft gear cover1 
8107061Gasket1 
9110022Spare part set for vibration damper1 
10111004Screw14 
11111010Big end bearing set8 
12113012Piston ring set816 pc available on site
13120015Sealing set for cylinder headoverhaul87 pc available on site
14120051Sealing set for cylinder headremoval8 
15131006O-ring3 
16143002Adjusting screw8 
17143010Yoke for exhaust valve, complete8 
18143013Nut16 
19143014Yoke for inlet valve, complete8 
20145001Push rods2 
21145003O-ring16 
Item No.Part No.DescriptionQtyRemarks
22145004O-ring16 
23148008O-ring1 
24156112O-ring kit2 
25156114Bearing part kit1 
26165052Sealing set for injection pump821 pc Available on site
27167008Screw16 
28167020Nozzle845 piecesavailable on site
29167044Sealing set for injection valve8100 pc Available on site
30182038Bearing bush4 
31182039Sealing kit for Pre lub assembly1 
32182103Ball bearing1 
33182104Ball bearing1 
34183005O-ring4 
35183076O-ring8 
36191041Sealing kit forLT/HT- Water pump23 pc Available on site
37196055O-ring4 
38196056O-ring4 
39200008Sealing ring32 
40200009Screw98 
41200010Washer100 
42200011Nut100 
43200012Support6 
44200034Support6 
45200039Support6 
46200042Support6 
47200043Screw8 
48200046Support6 
49218006Starter motor1 
50218007Pressure regulating valve1 
51218110Starter motor overhaul kit1 
52220395Spare part kit1Confirm if governor overhaul kit
53223003Bearing bush2 
54223005O-ring1 
55223014Gasket1 
56224007Bearing bush5 
57224031Bearing bush1 
58224048V-ring10 
59228003Slide ring16 
60352132O-ring2 
61471063Filter cartridge114 
62471126Sealing set19pc available on site
63471172O-ring24 
64471179O-ring60 
65471180O-ring24 
Item No.Part No.DescriptionQtyRemarks
66471185O-ring2 
67471186O-ring2 
68476005Bloskma cac Gasket set28Pc available on site
70CV321Solenoid valve, starting air????????1 
71121003Rotocap64Availableon site
72181036Bearing bush12 
73183003Thermostat element4 
74191012Bearing4 
75191013Bearing4 
76473153Sealing set48 
77100002Liner2Contingency

PART VI – Sundryconsumables (Minimum )

 

Item

No.

Part No.DescriptionQtyRemarks
1387003Loctite 242100ml 
2387005Loctite 49520g 
3387006Loctite 577100ml 
4387011Loctite 5741000ml 
5387012Loctite 518100ml 
6387014Bostic contact A31000ml 
7387017Loctite 243100ml 
8387019Loctite 59002400ml 
9387025H.Temp RTV red200ml 
10387029Molykote GN Plus100g 
11387031Loctite 5205600ml 
12387036Loctite 620200ml 
13387038Gleitmo 805200gGrease paste
14387039Molykote CU 7439 plus1000g 
15C51003Combi degreaser25L 
16 Crack detector can2 
17 Masking Tape M144 
18 Cotton rags100kg 
19 Duct Tape 4'2 
     
     

 


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