John Deere 318 - Manual (Page 275)

G
ENGINE OVERHEATS
• Check muffler for restriction or plugged condition.
• Adjust carburetor: GO TO Ö
• Adjust governor linkage: TO TO Ò
• Check engine oil pressure: GO TO 1#
• Check oil pump suction screen for plugged condition: See Engine CTM2.
• Check oil pump for wear or damage: See Engine CTM2.
• Check oil passages: See Engine CTM2.
• Check internal bearing clearance: See Engine CTM2.
• Check for carbon build-up in combustion chamber: See Engine CTM2.
H
ABNORMAL ENGINE NOISE
• Check for loose flywheel: See Engine CTM2.
• Check and adjust valve clearance: See Engine CTM2.
• Check for carbon build-up in combustion chamber: See Engine CTM2.
• Inspect engine for worn cylinder walls, loose or worn connecting rods, excessive main bearing endplay,
and excessive crankshaft or camshaft endplay: See Engine CTM2.
I
LOW OIL PRESSURE
• Test oil indicator light and sender: See Section 240.
• Check engine oil pressure: GO TO 1#
• Check oil pump suction screen for plugged condition: See Engine CTM2.
• Check oil pump for wear of damage: See Engine CTM2.
• Check oil passages: See Engine CTM2.
• Check for excessive main bearing clearance and connecting rod bearing clearance: See Engine CTM2.
MX,159022010,9 -19-03MAY95
MX,159022010,10-19-27APR95
MX,159022010,11-19-03MAY95
Diagnosis, Tests and Adjustments/Troubleshooting Guide
TM1590 (17MAY95)
220-10-5
316, 318 & 420 Lawn and Garden Tractors
020895
220
10
5