Cat NPP40 no drive - Maintenance & Troubleshooting discussion in Forkliftaction's forums

Discussion:
Cat NPP40 no drive

This pallet has lift but no drive.
Motor seem to be no problem.
Controller ??

Posted 29 Dec 2010 06:13
By hellokitty
joined 11 Mar'09 - 86 messages
Ontario, Canada

echo3618@hotmail.com

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after making basic checks : FU2(250A) and wiring. does the direc.contactor close?. do you have right inputs to controller?
1- key sw.(pin 1)
2- brake sw(pin 2)
3- B+ coming from contactor coils when key sw and brake sw activated. (pin 18 and pin 19).
also make sure you have correct resistance at pot. terminals connected (pin 14 and pin 16) around 0 ohms when grips rested and about 6 khom. at maximum fw or rev.

Posted 30 Dec 2010 10:23
By roldann
joined 3 Sep'08 - 86 messages
nuevo leon, Mexico

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