Hallo teman - teman ketemu lagi dengan dhevils mechanic yang pasti tulisan - tulisan dhevils mechanic ini tak jauh membahas dunia mechanic oil and gas industry dimana sering dhevils tulis terkaut speck suatu equipment, troubleshot serta ide - ide creative dari dhevils mechanic dalam memecahkan masalah yang ada dilapangan. Dan kali ini yuk kita membahas pekerjaan dehevils mechanic dalam memasang engine cat g3412NA di tempat dhevils mechanic bekerja
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Ceritanya begini, di tempat dhevils mechanic bekerja ada suatu plant di tengah hutan blora tepatnya di hutan semangi dimana SP semangi ini mengunakan pompa dan genset rental dan sudah berjalan hampir 3 tahun lamanya. Setelah dhevils mechanic di pindah pekerjaannya dari offshore ke field Cepu, disini dhevils mechanic mulai inventarisir unit - unit yang ada dan permasalahan yang ada. Dimana salah satu permasalahannya adalah mengunakan pompa dan power sewa dari pihak ke 3. Bukannya dhevils mechanic alergy dengan pihak ke 3 yaa, tetapi disini ada peluang untuk di optimlakan unit yang ada.
Dari inventarisir unit yanga ada, dimana ada 1 unit yang jarang digunakan karena unit dalam kondisi rusak, dan disitulah dhevils mechanic mulai check kondisi kerusakannya apakah masih dapat diperbaiki atau memang kondisinya sudah parah. dan teryata menurut dhevils mechanic kondisinya masih dapat diperbaiki hanya butuih sedikit modifikasi dan biaya perbaikan.
Mulailah dhevils mechanic perbaiki dimana unit ini tidak mengeluarkan voktase pada generator dan sedikit bermasalah pada system starting engine. Hal ini sangat mudah untuk di perbaiki. kita check dinamo starter dan mmebutuhkan pembersihan dan perbaikan sedikit pada brush dan bearing dari dinamo starter, dan untuk generator setelah kita check ada cable yang putus pada jaliur exiter nya. dan teryata hanya sepele kerusakannya tetapi unit sampai terbengkalai lama.
Setelah unit ready baru kita kirim ke lapangan SP Semangi dan kita instal ke rumah genset yang ada. baru kita kita instal fuels systemnya dimana ada scrubber, pressure regulator dan shutoffvalve . dan berikut ini adalah speck dari Cat G3412 NA
CAT® ENGINE SPECIFICATIONS
V-12, 4-Stroke-Cycle
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 mm (5.4 in.)
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 mm (6 in.)
Displacement . . . . . . . . . . . . . . . . . . . . . . . 27 L (1649 cu. in.)
Aspiration . . . . . . . . . . . . . . . . . . . Turbocharged for ATAAC
Governor and Protection. . . . . . . . . . . . . . . Woodward PSG
Combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Rich Burn
Engine
Weight, net dry (approx). . . . . . 2141 kg (4720 lb)
Power Density . . . . . . . . . . . . . . . . 4.79 kg/kW (7.86 lb/bhp)
Power per Displacement. . . . . . . . . . . . . . . . . . . 22.20 bhp/L
Engine Only Cooling System Capacity . . . 75.7 L (20 gal)
Lube Oil System (refill) . . . . . . . . . . . . . . . . 170.3 L (45 gal)
Oil Change Interval . . . . . . . . . . . . . . . . . . . . . . . . . 750 hours
Rotation (from flywheel end) . . . . . . . . . Counterclockwise
Flywheel and Flywheel Housing . . . . . . . . . . . . . SAE No. 0
Flywheel Teeth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
FEATURES
Engine Design
- Improved reliability and durability
- Ability to burn a wide spectrum of gaseous fuels
- Robust diesel strength design prolongs life and lowers
owning and operating costs
- Broad operating speed range
Full Range of Attachments
Large variety of factory-installed engine attachments
reduces packaging time
Testing
Every engine is full-load tested to ensure proper engine
performance.
Gas Engine Rating Pro
GERP is a PC-based program designed to provide site
performance capabilities for Cat® natural gas engines
for the gas compression industry. GERP provides
engine data for your site’s altitude, ambient temperature,
fuel, engine coolant heat rejection, performance data,
installation drawings, spec sheets, and pump curves.
Air Inlet System
Air cleaner — single element with service indicator
Control System
Governor — Woodward PSG mechanical
Governor control — positive locking
Cooling System
Thermostats and housing
Jacket water pump
Aftercooler water pump
Aftercooler core
Exhaust System
Watercooled exhaust manifolds
Dry exhaust elbow
Flywheel & Flywheel Housing
SAE No. 0 flywheel
SAE No. 0 flywheel housing
SAE standard rotation
Fuel System
Gas pressure regulator
Natural gas carburetor
Ignition System
Digital ignition system
Instrumentation
Service meter
Lube System
Crankcase breather — top mounted
Oil cooler
Oil filter — RH
Auxiliary oil reservoir
Rear sump oil pan
Oil filler in valve cover and dipstick — RH
Mounting System
Engine supports
Protection System
Shutoff
General
Paint — Cat yellow
Crankshaft vibration damper and drive pulleys
Lifting eyes
STANDARD EQUIPMENT
Air Inlet System
Air cleaner
Air inlet adapter
Precleaner
Air cleaner rain cap
Charging System
Battery chargers
Charging alternators
Ammeter gauge
Ammeter gauge and wiring
Control mounting
Control System
EG3P/2301A speed control governor
PSG electric governor
PSG pneumatic governor
Cooling System
Radiators
Blower fan and fan drives for customer supplied
radiators
ATAAC conversion
Aftercooler
Expansion tank
Heat exchanger
Exhaust System
Flexible fittings
Elbows
Flanges
Rain caps
Mufflers
Fuel System
Dual gas regulator
Low energy fuel carburetor
Low pressure gas conversion
Propane and natural gas valve and jet kits
Fuel filter
Ignition System
CSA ignition
Ignition ground wiring harness
Power supply — digital ignition system
Instrumentation
Alarm module
Gauges and instrument panels
Lube System
Auxiliary oil reservoir removal
Lubricating oil
Mounting System
Vibration isolators
Power Take-Offs
Auxiliary drive pulleys
Enclosed clutch
Clutch support
Front stub shaft
Flywheel stub shaft
Pulley removal
Protection System
Gas valves
Status control box interconnect wiring harness
Starting System
Air starting motor Electric air start control
Air pressure regulator
Air silencer
Electric starting motors — single 24-volt
Starting aids
Battery sets (24-volt dry), cables, and rack
General
Tool set
Digital diagnostic tool
OPTIONAL EQUIPMENT
Demikianlah sekelumit cerita terkait Cat G3412NA yang ada di temoat dhevils mechanic bekerja