Report this forum post

Hi All,

My R20-16 (1993) stopped driving this week and I'm trying to find what's wrong. I've got the service manual to help me through the troubleshooting but I could use some extra info.

Does anyone know how the pins on the circuit board connector from the Drive Impuls board are numbered? The picture in the servica manual is confusing me :)

https://ibb.co/TM19ggL

I don't have the service part 'Firing circuit - part 147803'' I think this is to trigger the thyristors. Can I replace this part/function with something else to complete the troubleshooting?

https://ibb.co/HhGyH3Q

Tank you for the advice.

Best

W
  • Posted 17 Jun 2021 05:41
  • By Walter_J
  • joined 17 Jun'21 - 1 message
  • Oost Vlaanderen, Belgium

This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.

Indicates mandatory field
SMV (Konecranes) 12-1200B
Balling, Denmark
Used - Sale
Hangcha CBD15
China
Used - Sale
USD1,600
Global Industry News
edition #1243 - 14 August 2025
In this week’s Forkliftaction News , we look at more financial reports with one major producer recording a “significant” decline in Q2 bookings to report an operating loss of USD8.5 million, while another had a strong quarter “despite increased trade tensions and a challenging geopolitical landscape”... Continue reading
Movers & Shakers
Dwight Klappich Dwight Klappich
Strategic advisor, Roboteon
CEO Americas, Hai Robotics
Executive director, NT WorkSafe
Chief executive, Logistics UK
Global Industry News
edition #1243 - 14 August 2025
In this week’s Forkliftaction News , we look at more financial reports with one major producer recording a “significant” decline in Q2 bookings to report an operating loss of USD8.5 million, while another had a strong quarter “despite increased trade tensions and a challenging geopolitical landscape”... Continue reading

PREMIUM business

Ningbo Ruyi Joint Stock Co., Ltd.
Manufacturer of forklifts, power stackers & pallet trucks.
Fact of the week
The black box flight recorder was invented by Australian scientist David Warren in the mid-1950s. While initially met with indifference in Australia, his invention gained international recognition, particularly in the UK, and is now a mandatory piece of safety equipment on all commercial aircraft.