"I have a KAD44 in a 8.5m RIB
"I have a KAD44 in a 8.5m RIB which has developed an overheating problem, I left the boat afloat for 3 weeks whilst away on holiday and when I returned the was a huge amout of weed and barnacle growth all over the DP leg . After starting up and idling for around 20 minutes I moved off at about 3000 rpm, very soon the temp warning light came on and gauge went over 200.Water in sealed system overflowing the expansion tank.
I was towed home and removed boat from water . I have cleared all the weed etc from the leg replaced the raw water impellor and flushed through where I can with a standard hose. Tested the boat again and the same problem occurs .It does not overheat on idle .Is it a good idea to flushe through with a jet wash? What other parts should I be looking at .
Many thanks in advance for any help ."
"I have a KAD44 in a 8.5m RIB which has developed an overheating problem, I left the boat afloat for 3 weeks whilst away on holiday and when I returned the was a huge amout of weed and barnacle growth all over the DP leg . After starting up and idling for around 20 minutes I moved off at about 3000 rpm, very soon the temp warning light came on and gauge went over 200.Water in sealed system overflowing the expansion tank.
I was towed home and removed boat from water . I have cleared all the weed etc from the leg replaced the raw water impellor and flushed through where I can with a standard hose. Tested the boat again and the same problem occurs .It does not overheat on idle .Is it a good idea to flushe through with a jet wash? What other parts should I be looking at .
Many thanks in advance for any help ."