Description

PAT DS 350 Operators Manual

If you are running a crane with a PAT DS 350 Load Moment Indicator, the factory PAT DS 350 Operators Manual is what you need on the seat next to you. I have seen aftermarket binders full of generic LMI information that gets a man killed because the torque values are wrong or the programming sequence skips a step. This 35-page document comes straight from PAT, not some third-party reprint. It covers exactly what the operator needs to keep the machine inside its design parameters, and nothing less.

PAT DS 350 Operators Manual: System Description and Console Identification

Section 3 of the manual, starting on page 3, walks you through the system function and the operating console. On page 5 you get the control identification – every button, every indicator, every audible alarm. The DS 350 is an interactive load moment indicator. It uses sensing devices to monitor boom length, angle, working radius, and load weight. If you do not know what the red LED means when it flashes at a specific frequency, this manual tells you. You also get the warning section up front: the LMI is an operational aid, not a substitute for good judgment. The manual makes that clear on page 2. I like that – no liability shielding, just the straight truth.

3 Reasons to Use the Factory Operators Manual Over Aftermarket Copies

First, aftermarket manuals often butcher the programming procedure. Section 4 of this factory document walks you through setting the outrigger configuration on page 20, hoist line selection on page 20, boom configuration on page 21, and reavings on page 22. That sequence is critical. Miss a step and the LMI will calculate wrong – you might overload the crane thinking you are at 80% when you are at 110%. Second, the factory manual includes the exact warning text from PAT. Page 2 states: “The device is not, and shall not be, a substitute for good operator judgement.” That matters in court. Third, the paper is durable and the diagrams are original – no scanned blur where you cannot read the part numbers.

Does the Manual Cover Programming the Outrigger Configuration?

Yes, page 20. You set outrigger configuration step by step. Section 4.1 walks you through entering the type of outriggers (fully extended, intermediate, or retracted). Then section 4.2 covers hoist line selection – which line is active and how many parts of line. Then section 4.3 settles the boom configuration (main boom, jib, or fly). Finally section 4.4 sets the reavings. Section 4.5 confirms the whole programming procedure. If you have ever tried to guess the reavings factor on a job site, you know why this manual is worth the price of a lunch. You get the exact PAT procedure, not some generic “check the load chart” nonsense.

Service and Maintenance: What the 35 Pages Include

Section 6 covers service and maintenance on page 29. That is a short section – one page – but it lists the critical checks: inspect wiring harnesses, check sensor connections, verify display brightness, test the alarm. The manual does not pretend to be a full service manual. It is an operators manual. That means you get what you need to keep the LMI functional day to day. For deeper repairs, you want the service manual – we sell that too: PAT DS 350 IFLEX5 2003 Service Manual. But for the pre-op checks and routine care, this is your document.

Troubleshooting Section: When You Need It Most

Section 7, page 30, is a troubleshooting table. It lists common faults – no display, intermittent readings, alarm stays on – and the probable causes. The manual tells you to check the supply voltage, sensor wiring, and ground connections. If you have a DS 350 that goes silent in the middle of a lift, you need this page. The troubleshooting section is not exhaustive, but it gets you to the obvious culprits fast. Pair it with the PAT iFLEX5 DS 350 2003 Operators Manual if you have the iFLEX5 variant, or the PAT DS 350 1307 Operators Manual for older models. Cross-reference the wiring diagrams – that will save you from chasing ghosts.

Does this manual include torque specifications for the sensors?

No. This is an operators manual. Torque values for sensor mounting bolts and wiring connections are found in the service manual.

Can I use this manual to calibrate the DS 350 on the crane?

The manual includes a Pre-Operation Inspection and Calibration Verification section on page 23. It describes how to verify the calibration is correct using the known load test. If the verification fails, you must refer to the service manual for calibration adjustment. Trying to adjust the LMI without the full calibration procedure can cause errors that lead to overloads.

Is the manual a reprint or a factory original?

This is a factory original PDF from PAT. The OCR excerpt shows the exact copyright notice and page numbering. No third-party reprints, no scanned copies with missing pages. The 35 pages are complete, including the warnings section and the table of contents.

What do I do if my DS 350 displays error code 12?

Page 30 of the troubleshooting section lists error codes. If error code 12 is not in the table, check the wiring to the boom angle sensor. The manual advises to inspect the connector and test continuity. If the problem persists, contact PAT support.

Whether you are a crane operator, a fleet manager, or a mobile mechanic who services lifting equipment, this factory operators manual gives you the verified data you need. Skip the generic PDFs and get the document that comes from the manufacturer. Access the Factory Manual now – it will sit in your glovebox or tablet and keep your lifts safe.

• PAT iFLEX5 DS 350 2003 Operators Manual
• PAT DS 350 IFLEX5 2003 Service Manual
• PAT DS 350 1307 Operators Manual
• Manual Transmission
• Manual Transmission