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travel contactor
pallet jack will travel f and r ,but as soon as the pump contactor pulls in the line contactor is thrown out and the key has to be cycled for travel again. contactor tips are in good [url removed] have the manual for this pallet jack but it is not much help. sem drive motor on this jack. any suggestions would be appreciated.
  • Posted 23 Jun 2014 12:01 AM
Total replies: 5. Showing items 1 - 5 of 5 results.
First thing is what's the battery condition like?
  • Posted 23 Jun 2014 12:04 AM
i did notice when taking a voltage reading at the pump about 21 volts when activated. the pallet jack is a24 volt system.
  • Posted 23 Jun 2014 12:33 AM
  • edward_t
  • South Carolina, United States
I agree, it sounds like a bad battery or voltage drop in a bad connection or fuse.

"it's not rocket surgery"
  • Posted 23 Jun 2014 01:42 AM
i went to the customers location this morning the batteries had grease on the terminals ,lots of grease and there was 22 volts measured across the top of the batteries. after cleaning and flushing the battery compartment the case voltage dropped to.224 [url removed] pallet jack seems to run normal at this [url removed] sincerely appreciate the help. it always pays to use the kiss system first.
  • Posted 24 Jun 2014 03:28 AM
  • lifter01
  • West Yorkshire, United Kingdom
check the hydraulic motor for an earth fault not had the problem on a crown yet but had plenty on jungheinrich's acting like this normaly find an earth fault on the hyd motor remove it strip and clean it out and the truck works fine again
  • Posted 4 Jul 2014 11:57 PM
Total replies: 5. Showing items 1 - 5 of 5 results.

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