Tower crane is the most critical machine for a labour-intensive industry, which has to employ its workers on heavy work projects, including loading and offloading weights. The workers find it easy and safe to lift loads at the workstation. Depending on the requirement, different crane machines are put in job to deal with heavy […]
A recent conversation with one of our customers regarding their Demag PAT PDC E 93 Error. The E93 error code is a very difficult and complex error as it is not possible to directly identify the failing part.
The Demag PAT PDC E 93 Error indicates a communication problem between the PDC system and the […]
An expert from a recent service email regarding PAT DS 350 Error Codes:
I have attached two pages with error codes. Those are the only once that include a number 8. If it shows up with an 8 only you must have a digit missing on the display (LCD).
The only errors that includes 8 is […]
We recently helped a customer solve his E15 angel indication error on his PAT DS350 Modular on a Grove TMS700B. Here is a copy of the email:
PAT DS 350 Modular
Good Evening Customer,
Please refer to attached DS 350 Modular Service Manual. I found sections in the service manual that are suitable and will assist you […]
Grove TMS 870 – 5 section boom with PAT DS350G (old) boom control system
We recently repaired a DS350G boom control system on a Grove Crane TMS870 with 5 section boom. The system that is the original old type DS350G type boom control system designed by PAT (Hirschmann) for the Grove boom control application is […]
We have recently received a number of requests regarding troubleshooting for the PAT-Hirschmann DS50 systems on Manitex Boom Trucks. Many of these requests have involved the main board located inside the cable reel. Unfortunately this main board has been obsolete in the US for about 6 years and our European suppliers now also have […]
A recent video of three new length angle cable reels installed on a Demag PPM Crane. A PAT-Hirschmann LG 152 is on the first boom section. A PAT-Hirschmann LG 208 cable reel with an angle sensor along with the LG152 is connected to the PAT-Hirschmann LWG 209 Cable Reel with profibus boards for the […]
A short video of some recent work on a PAT-Hirschmann PDC unit installed on an older Demag PPM Crane. It required a complete rewire due to extensive corrosion.
Demag PPM PDC Wiring Repair Video
This could have been avoided if scheduled crane maintenance was strictly followed. This was far costly than a crane maintenance. Crane owners […]
Installation of a Proximity Sensor Switch
One of the joys of a complete boom rebuild often involves installation of new proximity switches. Here is a short video from a Demag PPM Proximity Sensor Switch instal.
Demag PPM Proximity Sensor Switch Video
