Claas bolted knifes

Zippy768

Member
Mixed Farmer
Location
Dorset/Wilts
On a knife where the sections are bolted on, can the head also be bolted together or does the head always have to be riveted together?
Talking Dom 108
 

Adeptandy

Member
Arable Farmer
Location
PE15
I've done both in the past, pretty sure they make a longer bolt for the job, going to bolt the MF one when I put it together next week :)
 

quavers

Member
Location
aberdeenshire
fitted bolts to my knife about 8 years ago now , no problems so far , bolted the head also . used a 6mm cap screw with a lock nut , make sure get a low profile lock nut so it clears the keepers .
 

Zippy768

Member
Mixed Farmer
Location
Dorset/Wilts
fitted bolts to my knife about 8 years ago now , no problems so far , bolted the head also . used a 6mm cap screw with a lock nut , make sure get a low profile lock nut so it clears the keepers .
So you used countersunk bolt? Where did you get them. Eyeing up so allen key bolts in screwfix but not quite right length.
 

quavers

Member
Location
aberdeenshire
So you used countersunk bolt? Where did you get them. Eyeing up so allen key bolts in screwfix but not quite right length.
not counter sunk , just a dome capped screw with a allan key fixture , I had to drill the knife out to 6mm for the bolts to get a nice fit , the rivets that were in before were imperial
 

quavers

Member
Location
aberdeenshire
will measure my bolts tomorrow to give you an idea what to look for , bought them on line but cant remember , found out later that a local place also stock the bolts ,
 

Zippy768

Member
Mixed Farmer
Location
Dorset/Wilts
not counter sunk , just a dome capped screw with a allan key fixture , I had to drill the knife out to 6mm for the bolts to get a nice fit , the rivets that were in before were imperial

The problem I see is that the guide on the head end is flat, so any bolt has to be counter sunk like the rivets are. The rest of the guides have clearance for bolts. Being told by claas that the flat guide is all they can provide
 

quavers

Member
Location
aberdeenshire
The problem I see is that the guide on the head end is flat, so any bolt has to be counter sunk like the rivets are. The rest of the guides have clearance for bolts. Being told by claas that the flat guide is all they can provide
not a claas combine I own, but it was counter sunk rivets that were used before , can you post a picture of under the head mounting for us to see
 

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