Lego Technic 42008 Problem?

roxybargains

Hi,

my son received the above set from Mr Claus and we`ve been enjoying assembling it since the weekend. He got lots of lego so only getting to this set now!

Anyway we have basically assembled as far as book 3 and we put the battery box in the motor runs but no hydraulics working

Weve been meticulous in piecing it together. Any ideas or is it a case of breaking it up and starting from an earlier point.

Spocker

Are all the pneumatic lines connected? Any breaks or kinks in the lines?

roxybargains

Spocker wrote: »

Are all the pneumatic lines connected? Any breaks or kinks in the lines?

All lines are connected and straight. The motor runs but just noticed the cog assembly to the front of the motor where the piston is is not moving

NinjaTruncs

Have you the gears right? I haven't made that set yet myself but usually for motors there is a switch somewhere that puts the mechanics into gear. Usually at the back of the final instruction book there are images to show where the switches are and how to position them.

roxybargains

NinjaTruncs wrote: »

Have you the gears right? I haven't made that set yet myself but usually for motors there is a switch somewhere that puts the mechanics into gear. Usually at the back of the final instruction book there are images to show where the switches are and how to position them.

There are four switches two up top and two at the side, they seem connected right but again im getting no pneumatic power.

Being such a detailed set was hoping i didnt have to break it down. as i said the cogs in front of the motor arent moving.

This is our first large Technic set so its a learning experience....fun too

Oafley Jones

Gearbox assembled correctly? It can be quite easy to mess that up and it's doesn't really show up till everything is put in gear.

roxybargains

Oafley Jones wrote: »

Gearbox assembled correctly? It can be quite easy to mess that up and it's doesn't really show up till everything is put in gear.

I think this is where the problem is. Any ideas of easy access to gear box or should i bite the bullet and disassemble in sections?

Spocker

Its kinda hard to tell without pictures (put some up. maybe, to compare to ours?) , but I'd hazard a guess the gearbox isn't assembled correctly as Oafley said. If thats the case, you might have no option but to disassemble...

roxybargains

Spocker wrote: »

Its kinda hard to tell without pictures (put some up. maybe, to compare to ours?) , but I'd hazard a guess the gearbox isn't assembled correctly as Oafley said. If thats the case, you might have no option but to disassemble...

il take some pictures later and post them up. thanks for the replies

roxybargains

Update*

I ended up dismantling part of the structure to allow me access into the motor and gears.

looks as though we had two cogs the wrong way round so when the side switches were pushed they werent connecting the cogs correctly...hope that makes sense!

It took over an hour so tomorrow we have to put it all back together.

Thanks for all the advice!

Oafley Jones

roxybargains wrote: »

Update*

I ended up dismantling part of the structure to allow me access into the motor and gears.

looks as though we had two cogs the wrong way round so when the side switches were pushed they werent connecting the cogs correctly...hope that makes sense!

It took over an hour so tomorrow we have to put it all back together.

Thanks for all the advice!

I've done that on more than one occasion myself.

roxybargains

Completed the Recovery Truck and its finally fully functional. My son (10) loves it and enjoyed the building process and is having great fun using the winch and controls. This was his first large Technic set, hes a big Lego City collector. He is already wondering what his next set will be