Water Leak; Cooling Water Failure; Clutch Slip - Yanmar YSE8 Service Manual

a
6.11
Water Leak
6.12 Cooling Waer Failure
6.13 Clutch SliD
a
15
\-
Check point
Possible cause
Remedy
1 . R o c k e r c o v e r
1. Loose bolts and nuts.
Retighten.
2. Damaged packings.
Rene\r.
2. Cylinder head,
1, Crack caused by fteezing.
Renew.
2. Loose bolts.
Retighten.
24
3. Damaged gaskets.
Renew.
3, Cylinder body. 1. Crack caused by freezing. Renew.
4, Inside of crank-
c a s e .
1. Scractched liner packing.
Renew.
Check point
Posaible cause Remedy
1. Kidgston cock. 1. Dirty mouth. Clean.
2. Cock in closed position,
Open cock.
2, Cooling water
pipe flange.
1, Scratched packings,
Renew.
22
2. Loose tightening parts.
Retighten.
3. Pump drive
belt.
1. Slack belt, Tighten. Adjust finger-
depressed deflexion to
5 - ? m m .
4. Cooling water
pump.
1. Scratched or worn imDeller,
Renew.
2 2
Check point
Poasible cause Remedy
1. Friction disc. 1. Worrl disc.
Renew if total wear on bott
sides er(ceeds 2 mm.
2. Spring.
1, Weakened ot broken.
Renew.