![Kohler Command PRO EFI ECV880 [20/104] Troubleshooting](/img/pdf.png)
Kohler Command PRO EFI ECV880 [20/104] Troubleshooting
![Kohler Command PRO EFI ECV880 [20/104] Troubleshooting](/views2/1597371/page20/bg14.png)
Troubleshooting
20 19 690 01 Rev. DKohlerEngines.com
Engine Loses Power
● Dirty air cleaner element.
● Engine overheated.
● Excessive engine load.
● Restricted exhaust.
● Faulty spark plug(s).
● High crankcase oil level.
● Incorrect governor setting.
● Low battery.
● Low compression.
● Low crankcase oil level.
● Quality of fuel (dirt, water, stale, mixture).
Engine Uses Excessive Amount of Oil
● Loose or improperly torqued fasteners.
● Blown head gasket/overheated.
● Breather reed broken.
● Clogged, broken, or inoperative crankcase breather.
● Crankcase overfi lled.
● Incorrect oil viscosity/type.
● Worn cylinder bore.
● Worn or broken piston rings.
● Worn valve stems/valve guides.
Oil Leaks from Oil Seals, Gaskets
● Breather reed broken.
● Clogged, broken, or inoperative crankcase breather.
● Loose or improperly torqued fasteners.
● Piston blow by, or leaky valves.
● Restricted exhaust.
EXTERNAL ENGINE INSPECTION
NOTE: It is good practice to drain oil at a location away
from workbench. Be sure to allow ample time for
complete drainage.
Before cleaning or disassembling engine, make a
thorough inspection of its external appearance and
condition. This inspection can give clues to what
might be found inside engines (and cause) when it is
disassembled.
● Check for buildup of dirt and debris on crankcase,
cooling fi ns, grass screen, and other external surfaces.
Dirt or debris on these areas can cause overheating.
● Check for obvious fuel and oil leaks, and damaged
components. Excessive oil leakage can indicate a
clogged or inoperative breather, worn or damaged
seals or gaskets, or loose fasteners.
● Check air cleaner cover and base for damage or
indications of improper fi t and seal.
● Check air cleaner element. Look for holes, tears,
cracked or damaged sealing surfaces, or other
damage that could allow unfi ltered air into engine. A
dirty or clogged element could indicate insuffi cient or
improper maintenance.
● Check carburetor throat for dirt. Dirt in throat is further
indication that air cleaner was not functioning properly.
● Check if oil level is within operating range on dipstick.
If it is above, sniff for gasoline odor.
● Check condition of oil. Drain oil into a container; it
should fl ow freely. Check for metal chips and other
foreign particles.
Sludge is a natural by-product of combustion; a small
accumulation is normal. Excessive sludge formation
could indicate over rich fuel settings, weak ignition,
overextended oil change interval or wrong weight or
type of oil was used.
CLEANING ENGINE
WARNING
Cleaning Solvents can cause severe injury or
death.
Use only in well ventilated areas away from
ignition sources.
Carburetor cleaners and solvents are extremely
fl ammable. Follow cleaner manufacturer’s warnings
and instructions on its proper and safe use. Never use
gasoline as a cleaning agent.
After inspecting external condition of engine, clean
engine thoroughly before disassembly. Clean individual
components as engine is disassembled. Only clean
parts can be accurately inspected and gauged for wear
or damage. There are many commercially available
cleaners that will quickly remove grease, oil, and grime
from engine parts. When such a cleaner is used, follow
manufacturer’s instructions and safety precautions
carefully.
Make sure all traces of cleaner are removed before
engine is reassembled and placed into operation. Even
small amounts of these cleaners can quickly break down
lubricating properties of engine oil.
Содержание
- Ecv850 ecv860 ecv870 ecv880 service manual 1
- Safety 2
- Maintenance 3
- Maintenance 4
- Specifications 5
- Specifi cations 5
- Specifi cations 6
- Specifi cations 7
- Specifi cations 8
- Specifi cations 9
- Specifi cations 10
- Specifi cations 11
- Specifi cations 12
- Specifi cations 13
- Specifi cations 14
- Specifi cations 15
- Tools and aids 16
- Tools and aids 17
- Tools and aids 18
- Troubleshooting 19
- Troubleshooting 20
- Troubleshooting 21
- Troubleshooting 22
- Air cleaner intake 23
- Efi system 24
- Electronic fuel injection efi system 24
- Efi system 25
- Efi system 26
- Efi system 27
- Black connector side grey connector side ecu 28
- Efi system 28
- Pinout of ecu 28
- Efi system 29
- Efi system 30
- Efi system 31
- Efi system 32
- Efi system 33
- Efi system 34
- Efi system 35
- Efi system 36
- Efi system 37
- Efi system 38
- Efi system 39
- Efi system 40
- Efi system 41
- Efi system 42
- Efi system 43
- Efi system 44
- Efi system 45
- Efi system 46
- Efi system 47
- 19 690 01 rev d kohlerengines com 48
- After turning key to off wait 30 seconds before turning to on to allow ecu to initiate another prime cycle 48
- Efi diagnostic flow diagram 48
- Efi system 48
- Fuel pump module can be heard or a vibration can be felt to establish pump cycle fuel pump module will run for one 4 6 second prime cycle after key switch remains off for a minimum of 30 seconds 48
- Start of test 48
- Governor system 49
- Governor system 50
- Governor system 51
- Governor system 52
- Governor system 53
- Governor system 54
- Governor system 55
- Governor system 56
- Operation input voltage 0 1 volts at idle 9 volts at high speed 56
- Governor system 57
- Governor system 58
- Lubrication system 59
- Lubrication system 60
- Electrical system 61
- Electrical system 62
- Electrical system 63
- Electrical system 64
- Electrical system 65
- Starter system 66
- Starter system 67
- Starter system 68
- Starter system 69
- Disassembly inspection and service 70
- Disassembly inspection and service 71
- Disassembly inspection and service 72
- Disassembly inspection and service 73
- Disassembly inspection and service 74
- Disassembly inspection and service 75
- Disassembly inspection and service 76
- Disassembly inspection and service 77
- Disassembly inspection and service 78
- Disassembly inspection and service 79
- Disassembly inspection and service 80
- Disassembly inspection and service 81
- Disassembly inspection and service 82
- Disassembly inspection and service 83
- Disassembly inspection and service 84
- Disassembly inspection and service 85
- Disassembly inspection and service 86
- Disassembly inspection and service 87
- Reassembly 88
- Reassembly 89
- Reassembly 90
- Reassembly 91
- Reassembly 92
- Reassembly 93
- Reassembly 94
- Reassembly 95
- Reassembly 96
- Reassembly 97
- Reassembly 98
- Reassembly 99
- Reassembly 100
- Reassembly 101
- 2017 by kohler co all rights reserved 104
- Kohlerengines com 19 690 01 rev d 104 104
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