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  1. jcb jeff

    JCB 3CX (1400B) Losing hydraulic pressure at operating temperature.

    Yes and if you connect into the 1" pipe from pump to front loader block remember that you will not have the main relief valve protecting the circuit. So make sure you don't exceed the mrv pressure when caring out the test or you will blow hose , split pump, blow burst disc or hurt yourself.
  2. jcb jeff

    JCB 3CX (1400B) Losing hydraulic pressure at operating temperature.

    These pumps are either a single or tandem pump which are cast iron they wear internally and there is no spare parts to repair so it will be a new pump .I would firstly carry out a flow test with a flow meter in-between pump and valve block to measure what your machine is actually putting out...
  3. jcb jeff

    Jcb 220 2016 -error p02a7

    Have you put the injector trim codes in on the ecu via service master?
  4. jcb jeff

    2000 JCB 214e series 4 Won't start

    Any 600 wire is and earth path so could be 600 or say 601 they are earths
  5. jcb jeff

    2000 JCB 214e series 4 Won't start

    The trigger wire for the starter solenoid so the smaller wire at the starter. Pull the that wire from solenoid and give the terminal that you removed the wire from 12 volts from the the machine battery and see if that makes a difference as you are by passing every thing up stream of the starter...
  6. jcb jeff

    2000 JCB 214e series 4 Won't start

    What voltage you got at the solenoid wire to starter ,try triggering starter from the battery pos on the starter with a jump wire and see if that changes anything.
  7. jcb jeff

    2000 JCB 214e series 4 Won't start

    Did you replace the starter as some starters are better than others ,has this got a RJ build perkins engine in. If you have the perkins RJ there is a glow plug relay box in the engine bay which could be an issue just depends on engine have you a serial number?
  8. jcb jeff

    2000 JCB 214e series 4 Won't start

    Does yours have a batt isolator if so link it out ,also check earth lead on engine block and make sure no hydraulics are loading up on cranking
  9. jcb jeff

    94 jcb 217s crank no start no power

    Just a thought have you put all the power connections back on the positive side of the starter .
  10. jcb jeff

    2001 Jcb 214 series 3

    Hi This is the JCB official parts page but does not have everything but might give you some info. https://parts.jcb.com/
  11. jcb jeff

    JCB 212S Brakes

    Hi Do you have a serial no of machine? These are power brakes with a charge valve which charges brake accumulators which store brake pressure . The oil for this system is shared by the man hyd oil. Is you machine sound like it is constantly charging the circuit which means you will hear engine...
  12. jcb jeff

    94 jcb 217s crank no start no power

    Hi Check to see if you have put the earth strap on the back of the engine block/trans bell housing , normally bolted in either of the 3 holes across the top at the back of the engine block.
  13. jcb jeff

    JCB 3CX4T powershift no 2nd gear in fwd

  14. jcb jeff

    JCB 3CX4T powershift no 2nd gear in fwd

    Hi On testing the solenoids make sure the + and - are the correct way round or they dont seem to like being wired the wrong way. As far as the clutch packs when you rebuild them soak the friction discs in the trans oil first before installing. Have you got plastic or metal pistons if plastic...
  15. jcb jeff

    JCB 212SU hydraulic quick attach seal replacement...

    Hi Does it look like this which is the JCB tool carrier hitch. Jeff
  16. jcb jeff

    JCB 1550 weak backhoe : relief valve?

    Hi Your main releif will protect you machine if set correctly the additional valves will never get over the mrv if that is what you saying it is. A ARV protects each circuit for shock loading such as external forces acting on the m/c equipment.
  17. jcb jeff

    JCB 3CX Brake issues....

    Hi Yes it would be the same.
  18. jcb jeff

    JCB 1550 weak backhoe : relief valve?

    Hi When you push the spool up from the underside its easy to tear the o ring , may need to revisit it just to check.
  19. jcb jeff

    JCB 1550 weak backhoe : relief valve?

    Hi Again It is a fiddle to get the pressure balanced especially as you have had it all to bits ,just to clarify you have pulled the complete unit apart not just the top part all the guts from the under side as well.
  20. jcb jeff

    JCB 1550 weak backhoe : relief valve?

    Hi Have you pulled all the mrv to bits out of the front loader valve block .The jack leg or stabaliser is the ram to use to set pressure on back end as no arv in use and front loader arm down is to set front loader but can be a fiddle to get it to set up from scratch you need to juggle both...
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