Just got done converting our G from original gas engine to electric and am loving the quiet reliability. Only snafu is the hydraulic pump is not building any pressure. Tried opening up the relief valve and discovered that the spring only measures 3-1/4" whereas service manual recommends replacing if shorter than 3-5/8". I also seem to be missing the ball (pretty sure it didn't pop out). I would be most grateful if someone could tell me where/how to obtain a new ball and spring. I see nothing in the service manual or parts book about the specifications on the ball or spring so not sure how to get replacements.

Thanks!