:• FUEL SYSTEM :
Defective Fuel Syscem
Incorrect Timing
Restricted Air Intake - Dirty Air Filler
Poor Quality Fuel
Dtrty Fuel Filters
; of Fuel or Shut Off Closed
Worn or Damaged Transfer Pump, Leaking Diaphragm
Faulty Injection Pump, Nozzles or Gaskets
Fuel Line Leaks
Wrong Timing Sutton in Injection Pump
Wrong Thickness Pump Mounting Gaskets
Run For Long Periods of Time at NO LOAD
; LUBRICATION SYSTEM
Low Oil Supply
Defective Oil Gauge
Excess Oil in Crankcas
Oil Leaks From Engine Base or Connections
Light or Diluted Crankcase Oil
Leaky Oil Seals
Improper Lubrication
Faulty Oil By-Pass
Worn Oi.l Pump
Heavy Oil or Clogged Passages
Dirty Oil Filter
:
GOVERNOR
SYSTEM
Loose or Disconnected Linkage
Binding Linkage
rrect Governor Adjustment
High Spring Sensitivity
Incorrectly Installed Go'
srtoaded Generator
Insufficient Coolant
Faulty Thermostat
Worn Water Pump or Defective Seals
Water Passages Restricted
Blown Head Gasket
Overheating
Restricted or Too Long Water Lines
: Expansion Tank Press
Dirt on Cooling Fins (Air Cooled)
Inadequate Air Circulation (Air Cooled)
INTERNAL ENGINE
Poor Compression
Loose Piston
Loose Connecting Rod or Cr;
Incorrect Valve Clearance
nkshaft Bearing
Broken or Weak Valve Spring
High Exhaust Back Pressure
Valves Not Seating Properly
Worn Bearings
Worn Cylinder Walls, Pistons, Rings
Slicking Valves
Worn or Dirty Valve Guides
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