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Curtis B.
Curtis B., Technician
Category: Industrial Equipment
Satisfied Customers: 28909
Experience:  Technican turned service manager on multiple lines of equipment used in industry.
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Uno 33e snorkel lift...older model... hydraulic working

Customer Question

uno 33e snorkel lift...older model... hydraulic working batt' drive motor action. safe pedal down, red button up, 48 volt's to all 4 terminal's at elect spin... drive line off motor turn's by manual hand turn, seems smooth...cant find any info-part's on park brake control valve unit. does this dis-able elect motor? the manual's are worthless ...park it and get fixed... main suggestion they make. I cant even find a 4 terminal motor wiring picture if you can point me anywhere sure would. thanks for your time.
JA: What is the complete model and serial number of your machine?
Customer: ah...gotta go check...should have done that back soon
JA: Anything else you want the industrial mechanic to know before I connect you?
Customer: no...but will take bout 15 min to get info thanks
Submitted: 2 months ago.
Category: Industrial Equipment
Customer: replied 2 months ago.
uno 33e serial####-##-####
Expert:  Curtis B. replied 2 months ago.

Hello! Let's see if we can can work together to get to the root of your question!

Expert:  Curtis B. replied 2 months ago.

4 terminal motor will have two armature posts, which have battery pack voltage at all ties, the field terminals get signal from the controller . Are the field coils getting voltage from controller? If it is, the drive motor has failed.

Customer: replied 2 months ago.
at a 4 terminals there is voltage... thats with the platform drive switch on, pedal down but not using joystick control. just sitting waiting for fwd/rev comand theres voltage
Expert:  Curtis B. replied 2 months ago.

Test motor as same as golf cart drive motor, see link below.

Expert:  Curtis B. replied 2 months ago.

I see question is still open, please use the 5 star rating system to close the question and get me credit! Thanks!