JCB 3CX 1982: changing water pump and fan belt
Posted: Tue Jul 12, 2011 1:13 pm
Hi guys,
I’ve a 3CX 2WD White Cab from 1982 (Perkins non-turbo engine) with a much worn water pump. The drive shaft of the pump has a lot of radial play. To avoid that one time the shaft will break and the fan will hit the radiator I’ll have to exchange this pump.
Does anyone know if you can replace the pump while the radiator is still in place?
Another question I have is about changing the fan belt. What is the easiest way to fix this job? The problem is that the drive shaft of the main hydraulic pump goes ‘thru’ the fan belt.
I was thinking to separate the pump drive shaft flange from the crankshaft pulley in order to create a small space to be able to slide the fan belt thru.
But I’ve no idea if this is possible (it will depend on how far you can slide the pump drive shaft towards the pump).
Hmmm I was just thinking that you don't have to slide the shaft towards the hydraulic pump because you can easily ‘bent’ the shaft because it has 2 universal joints (cross axle)!
I’ve no service manual available so I’ve no idea about the way of working to fix those jobs.
Anybody some experience/suggestions?
Cheers,
Erwin from Belgium
I’ve a 3CX 2WD White Cab from 1982 (Perkins non-turbo engine) with a much worn water pump. The drive shaft of the pump has a lot of radial play. To avoid that one time the shaft will break and the fan will hit the radiator I’ll have to exchange this pump.
Does anyone know if you can replace the pump while the radiator is still in place?
Another question I have is about changing the fan belt. What is the easiest way to fix this job? The problem is that the drive shaft of the main hydraulic pump goes ‘thru’ the fan belt.
I was thinking to separate the pump drive shaft flange from the crankshaft pulley in order to create a small space to be able to slide the fan belt thru.
But I’ve no idea if this is possible (it will depend on how far you can slide the pump drive shaft towards the pump).
Hmmm I was just thinking that you don't have to slide the shaft towards the hydraulic pump because you can easily ‘bent’ the shaft because it has 2 universal joints (cross axle)!
I’ve no service manual available so I’ve no idea about the way of working to fix those jobs.
Anybody some experience/suggestions?
Cheers,
Erwin from Belgium