Kohler Command Pro CV980 User Manual

Page 24

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3.2

Section 3
Troubleshooting

Engine Overheats
ȱ ŗǯȱ ’›ȱ’—Š”ŽȦ›ŠœœȱœŒ›ŽŽ—ǰȱŒ˜˜•’—ȱꗜǰȱ˜›ȱŒ˜˜•’—ȱ

shrouds clogged.

ȱ Řǯȱ ¡ŒŽœœ’ŸŽȱŽ—’—Žȱ•˜Šǯ
ȱ řǯȱ ˜ ȱŒ›Š—”ŒŠœŽȱ˜’•ȱ•ŽŸŽ•ǯ
ȱ Śǯȱ ’‘ȱŒ›Š—”ŒŠœŽȱ˜’•ȱ•ŽŸŽ•ǯ
ȱ śǯȱ Šž•¢ȱŒŠ›‹ž›Ž˜›ǯ
ȱ Ŝǯȱ ŽŠ—ȱžŽ•ȱ–’¡ž›Žǯ

Engine Knocks
ȱ ŗǯȱ ¡ŒŽœœ’ŸŽȱŽ—’—Žȱ•˜Šǯ
ȱ Řǯȱ ˜ ȱŒ›Š—”ŒŠœŽȱ˜’•ȱ•ŽŸŽ•ǯ
ȱ řǯȱ •ȱ˜›ȱ’–™›˜™Ž›ȱžŽ•ǯ

4. Internal wear or damage.

ȱ śǯȱ ¢›Šž•’Œȱ•’ĞŽ›ȱ–Š•ž—Œ’˜—ǯ
ȱ Ŝǯȱ žŠ•’¢ȱ˜ȱžŽ•ǯ
ȱ ŝǯȱ —Œ˜››ŽŒȱ›ŠŽȱ˜ȱ˜’•ǯ

Engine Loses Power
ȱ ŗǯȱ ˜ ȱŒ›Š—”ŒŠœŽȱ˜’•ȱ•ŽŸŽ•ǯ
ȱ Řǯȱ ’‘ȱŒ›Š—”ŒŠœŽȱ˜’•ȱ•ŽŸŽ•ǯ
ȱ řǯȱ ’›¢ȱŠ’›ȱŒ•ŽŠ—Ž›ȱޕޖޗǯ
ȱ Śǯȱ ’›ȱ˜›ȱ ŠŽ›ȱ’—ȱ‘ŽȱžŽ•ȱœ¢œŽ–ǯ
ȱ śǯȱ ¡ŒŽœœ’ŸŽȱŽ—’—Žȱ•˜Šǯ
ȱ Ŝǯȱ —’—Žȱ˜ŸŽ›‘ŽŠŽǯ
ȱ ŝǯȱ Šž•¢ȱœ™Š›”ȱ™•žœǯ

8. Low compression.
9. Exhaust restriction.

ȱŗŖǯȱ ˜ ȱ‹ŠĴŽ›¢ǯ
ŗŗǯȱ —Œ˜››ŽŒȱ˜ŸŽ›—˜›ȱœŽĴ’—ǯ

Engine Uses Excessive Amount of Oil
ȱ ŗǯȱ —Œ˜››ŽŒȱ˜’•ȱŸ’œŒ˜œ’¢Ȧ¢™Žǯ
ȱ Řǯȱ •˜Žǰȱ‹›˜”Ž—ȱ˜›ȱ’—˜™Ž›Š’ŸŽȱŒ›Š—”ŒŠœŽȱ

breather.

3. Worn or broken piston rings.

ȱ Śǯȱ ˜›—ȱŒ¢•’—Ž›ȱ‹˜›Žǯ
ȱ śǯȱ ˜›—ȱŸŠ•ŸŽȱœŽ–œȦŸŠ•ŸŽȱž’Žœǯ
ȱ Ŝǯȱ ›Š—”ŒŠœŽȱ˜ŸŽ›ę••Žǯ
ȱ ŝǯȱ •˜ —ȱ‘ŽŠȱŠœ”ŽȦ˜ŸŽ›‘ŽŠŽǯ

Oil Leaks from Oil Seals, Gaskets
ȱ ŗǯȱ •˜Žǰȱ‹›˜”Ž—ȱ˜›ȱ’—˜™Ž›Š’ŸŽȱŒ›Š—”ŒŠœŽȱ

breather.

ȱ Řǯȱ ˜˜œŽȱ˜›ȱ’–™›˜™Ž›•¢ȱ˜›šžŽȱŠœŽ—Ž›œǯ
ȱ řǯȱ ’œ˜—ȱ‹•˜ ‹¢ǰȱ˜›ȱ•ŽŠ”¢ȱŸŠ•ŸŽœǯ

4. Restricted exhaust.

External Engine Inspection

Ž˜›ŽȱŒ•ŽŠ—’—ȱ˜›ȱ’œŠœœŽ–‹•’—ȱ‘ŽȱŽ—’—Žǰȱ–Š”ŽȱŠȱ
‘˜›˜ž‘ȱ’—œ™ŽŒ’˜—ȱ˜ȱ’œȱŽ¡Ž›—Š•ȱŠ™™ŽŠ›Š—ŒŽȱŠ—ȱ
Œ˜—’’˜—ǯȱ‘’œȱ’—œ™ŽŒ’˜—ȱŒŠ—ȱ’ŸŽȱŒ•žŽœȱ˜ȱ ‘Šȱ
–’‘ȱ‹Žȱ˜ž—ȱ’—œ’Žȱ‘ŽȱŽ—’—ŽȱǻŠ—ȱ‘ŽȱŒŠžœŽǼȱ
when it is disassembled.

ȱ Ȋȱ ‘ŽŒ”ȱ˜›ȱ‹ž’•ž™ȱ˜ȱ’›ȱŠ—ȱŽ‹›’œȱ˜—ȱ‘Žȱ

Œ›Š—”ŒŠœŽǰȱŒ˜˜•’—ȱꗜǰȱ›ŠœœȱœŒ›ŽŽ—ǰȱŠ—ȱ˜‘Ž›ȱ
Ž¡Ž›—Š•ȱœž›ŠŒŽœǯȱ’›ȱ˜›ȱŽ‹›’œȱ˜—ȱ‘ŽœŽȱŠ›ŽŠœȱ
Š›ŽȱŒŠžœŽœȱ˜ȱ‘’‘Ž›ȱ˜™Ž›Š’—ȱŽ–™Ž›Šž›ŽœȱŠ—ȱ
˜ŸŽ›‘ŽŠ’—ǯ

ȱ Ȋȱ ‘ŽŒ”ȱ˜›ȱ˜‹Ÿ’˜žœȱžŽ•ȱŠ—ȱ˜’•ȱ•ŽŠ”œǰȱŠ—ȱ

Š–ŠŽȱŒ˜–™˜—Ž—œǯȱ¡ŒŽœœ’ŸŽȱ˜’•ȱ•ŽŠ”АŽȱ
ŒŠ—ȱ’—’ŒŠŽȱŠȱŒ•˜Žȱ˜›ȱ’–™›˜™Ž›•¢ȬŠœœŽ–‹•Žȱ
‹›ŽŠ‘Ž›ǰȱ ˜›—ȦŠ–ŠŽȱœŽŠ•œȱŠ—ȱŠœ”Žœǰȱ˜›ȱ
•˜˜œŽȱ˜›ȱ’–™›˜™Ž›•¢Ȭ˜›šžŽȱŠœŽ—Ž›œǯ

ȱ Ȋȱ ‘ŽŒ”ȱ‘ŽȱŠ’›ȱŒ•ŽŠ—Ž›ȱŒ˜ŸŽ›ȱŠ—ȱ‹ŠœŽȱ˜›ȱŠ–АŽȱ

˜›ȱ’—’ŒŠ’˜—œȱ˜ȱ’–™›˜™Ž›ȱęȱŠ—ȱœŽŠ•ǯ

ȱ Ȋȱ ‘ŽŒ”ȱ‘ŽȱŠ’›ȱŒ•ŽŠ—Ž›ȱޕޖޗǯȱ˜˜”ȱ˜›ȱ‘˜•Žœǰȱ

ŽŠ›œǰȱŒ›ŠŒ”Žȱ˜›ȱŠ–ŠŽȱœŽŠ•’—ȱœž›ŠŒŽœǰȱ˜›ȱ
˜‘Ž›ȱŠ–АŽȱ‘ŠȱŒ˜ž•ȱŠ••˜ ȱž—ę•Ž›ŽȱŠ’›ȱ’—˜ȱ
‘ŽȱŽ—’—Žǯȱ•œ˜ȱ—˜Žȱ’ȱ‘Žȱޕޖޗȱ’œȱ’›¢ȱ˜›ȱ
clogged. These could indicate that the engine has
‹ŽŽ—ȱž—Ž›ȱœŽ›Ÿ’ŒŽǯ

ȱ Ȋȱ ‘ŽŒ”ȱ‘ŽȱŒŠ›‹ž›Ž˜›ȱ‘›˜Šȱ˜›ȱ’›ǯȱ’›ȱ’—ȱ‘Žȱ

‘›˜Šȱ’œȱž›‘Ž›ȱ’—’ŒŠ’˜—ȱ‘Šȱ‘ŽȱŠ’›ȱŒ•ŽŠ—Ž›ȱ’œȱ
—˜ȱž—Œ’˜—’—ȱ™›˜™Ž›•¢ǯ

ȱ Ȋȱ ‘ŽŒ”ȱ‘Žȱ˜’•ȱ•ŽŸŽ•ǯȱ˜Žȱ’ȱ‘Žȱ˜’•ȱ•ŽŸŽ•ȱ’œȱ ’‘’—ȱ

‘Žȱ˜™Ž›Š’—ȱ›Š—Žȱ˜—ȱ‘Žȱ’™œ’Œ”ǰȱ˜›ȱ’ȱ’ȱ’œȱ•˜ ȱ
˜›ȱ˜ŸŽ›ę••Žǯ

ȱ Ȋȱ ‘ŽŒ”ȱ‘ŽȱŒ˜—’’˜—ȱ˜ȱ‘Žȱ˜’•ǯȱ›Š’—ȱ‘Žȱ˜’•ȱ’—˜ȱ

ŠȱŒ˜—Š’—Ž›ȱȬȱ‘Žȱ˜’•ȱœ‘˜ž•ȱ̘ ȱ›ŽŽ•¢ǯȱ‘ŽŒ”ȱ˜›ȱ
–ŽŠ•ȱŒ‘’™œȱŠ—ȱ˜‘Ž›ȱ˜›Ž’—ȱ™Š›’Œ•Žœǯ

ȱ ȱ •žŽȱ’œȱŠȱ—Šž›Š•ȱ‹¢Ȭ™›˜žŒȱ˜ȱŒ˜–‹žœ’˜—DzȱŠȱ

œ–Š••ȱŠŒŒž–ž•Š’˜—ȱ’œȱ—˜›–Š•ǯȱ¡ŒŽœœ’ŸŽȱœ•žŽȱ
˜›–Š’˜—ȱŒ˜ž•ȱ’—’ŒŠŽȱ˜ŸŽ››’Œ‘ȱŒŠ›‹ž›Ž’˜—ǰȱ
 ŽŠ”ȱ’—’’˜—ǰȱ˜ŸŽ›Ž¡Ž—Žȱ˜’•ȱŒ‘Š—Žȱ’—Ž›ŸŠ•œȱ
˜›ȱ ›˜—ȱ Ž’‘ȱ˜›ȱ¢™Žȱ˜ȱ˜’•ȱ ŠœȱžœŽǰȱ˜ȱ—Š–Žȱ
ŠȱŽ ǯ

DZȱ ȱ’œȱ˜˜ȱ™›ŠŒ’ŒŽȱ˜ȱ›Š’—ȱ˜’•ȱŠȱŠȱ

•˜ŒŠ’˜—ȱРТȱ›˜–ȱ‘Žȱ ˜›”‹Ž—Œ‘ǯȱŽȱ
œž›Žȱ˜ȱŠ••˜ ȱŠ–™•Žȱ’–Žȱ˜›ȱŒ˜–™•ŽŽȱ
drainage.

Cleaning the Engine

Ў›ȱ’—œ™ŽŒ’—ȱ‘ŽȱŽ¡Ž›—Š•ȱŒ˜—’’˜—ȱ˜ȱ‘ŽȱŽ—’—Žǰȱ
Œ•ŽŠ—ȱ‘ŽȱŽ—’—Žȱ‘˜›˜ž‘•¢ȱ‹Ž˜›Žȱ’œŠœœŽ–‹•’—ȱ
’ǯȱ•œ˜ȱŒ•ŽŠ—ȱ’—’Ÿ’žŠ•ȱŒ˜–™˜—Ž—œȱŠœȱ‘ŽȱŽ—’—Žȱ
’œȱ’œŠœœŽ–‹•Žǯȱ—•¢ȱŒ•ŽŠ—ȱ™Š›œȱŒŠ—ȱ‹ŽȱŠŒŒž›ŠŽ•¢ȱ
’—œ™ŽŒŽȱŠ—ȱŠžŽȱ˜›ȱ ŽŠ›ȱ˜›ȱŠ–АŽǯȱ‘Ž›Žȱ
Š›Žȱ–Š—¢ȱŒ˜––Ž›Œ’Š••¢ȱŠŸŠ’•Š‹•ŽȱŒ•ŽŠ—Ž›œȱ‘Šȱ
 ’••ȱšž’Œ”•¢ȱ›Ž–˜ŸŽȱ›ŽŠœŽǰȱ˜’•ǰȱŠ—ȱ›’–Žȱ›˜–ȱ
engine parts. When such a cleaner is used, follow
the manufacturer’s instructions and safety precautions
carefully
.

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