@ perkins proprietary information of perkins engines company ltd., © 2000
TRANSCRIPT
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Features & Benefits
ServiceReliability
Components
Durability
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Crankshafts
• One spec per engine
• All cranks heat treated
• Balanced on site
Benefits
• Only one component to buy
• Journals and pins can be re-ground for engine overhauls
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Big End & Main Bearings
• All Aluminium Alloy
(Diesel and Gas)
Benefits
• Only one specification
• Resistant to Nitrous Oxides.
• Better part Pricing.
• Reduced Inventory
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Con Rods
• Two types; Low and High Power
• Graded by Weight
Benefits
• Each Rod can be serviced separately
• Can accommodate oversize bearings
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Cylinder Heads
• Single Head per Cylinder
• 4 valves per head
• Two types; In-line and Vee
Benefits
• All Fully assembled
• Easily serviceable
• Re-manufactured versions available
• Efficient Combustion
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Cylinder Heads
The difference between an in-line and Vee cylinder headlies in the oil drain. The in-line engine drains through the ‘push rod’ hole whereas on the Vee engine the oil drains through a special drain hole.
Oil Drain Hole (Vee Engines).
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Pistons
• Valve cut-outs on crown for diesel
• Internal oil cooling Gallery
• High Power density - Heavier
Benefits
• Gallery Cooling increases durability
• Common on all engines
• Reduced Inventory
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Cylinder Liners
• Wet liners only
• All engines, same bore and stroke
• Two grooves and two ‘O’ rings per liner
Benefits
• Allows one change of Piston rings before replacement
• Easily replaced
• Reduced Inventory
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Inlet & Exhaust Valves
• 4 valves per head
• one piece valves
• Stellite tipped for durability
• Valve seat inserts cryogenically fitted
• 2 rockers per cylinder
• Stellite tipped rocker arms for durability
Benefits
• Durable and easily serviceable
• Common Component
• Reduced inventory
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Turbochargers
• Usually one per In-line engine
• 2 per vee engine
• 4 for vee-16
Benefits
• Easily accessible
• Repair kits available (bearings and seals)
• Re-manufactured units available
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Oil Pumps
• Replacement Pumps only
• Re-manufactured units may be available
Benefits
• Easily accessed
• Volume part, lower cost
• Reduced Inventory
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Oil Filters
• 3 per in-line engine
• 6 for Vee engines
Benefits
• Easily accessible
• Bypass system available for base load engines
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Fuel Injection Equipment
• Lucas Unit Injectors
• One injector type for 90% of engines
• Operated by rocker arm
Benefits
• No high pressure fuel pipes
• Volume part, lower cost
• Reduced Inventory
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Common Components
Water Pumps
• 2 pumps per vee engine
• 1 per in-line engine
Benefits
• Service options include;
# Replacement Pump
# Repair kit (excl. housing)
# Re-manufactured units
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Durability
Engineering Programme;
• Connecting Rod Bearings Analysis
• Connecting Rod Bolts Analysis
• Main Bearing Failures
• Crankshaft Dynamics and Stressing
• Cylinder Block Dynamics
• Piston Geometry and Bore Shape
• Oil and Coolant Circuit Analysis
Predictive Engineering used Extensively
(CAE and FEA )
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Durability
• Spheroidal Graphite Iron (sgi) crankcase for better strength and stiffness.
• Heat treated Crank fillets
• Improved bearings specification
• Stellite tipped valves reduce wear
• Stellite tipped rocker arms
• Oil gallery cooling on pistons
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series Ease of Service
• Crankcase doors at side of block enable change of conrod bearings without removing sump
• Single side servicing for in-line engines.
• Easily removed cylinder heads.
@ PerkinsProprietary Information of Perkins Engines Company Ltd., © 2000.
4000 Series ReliabilitySignificant Reduction in Warranty Costs achieved by:
• Improvements to Main and Con-Rod Bearings
• Con-Rod Bolts
• Increased Monitoring on Con-Rods, Crankcase and Crankshaft
• Improvements in Lubrication Circuit
• Improvements in Factory Environment
• Introduction of Full Strip Investigation Process
• Use of Predictive Tools at Design Stage
• Re-Definition of Prime Ratings