Case 855E 1991 Operators Manual – Factory Specs, Safety & Procedures

You have a Case 855E crawler sitting in your shop. Maybe you got it from an auction, maybe a trade-in. Either way, if you don’t have the factory Operators Manual, you’re flying blind. I’ve seen guys guess at hydraulic pressures, ignore decal meanings, and blow $2,000 in gaskets because they used aftermarket fluid specs. That’s why this 1991 document exists. 176 pages of Case‑approved procedure, not some photocopied aftermarket pamphlet that gets the torque sequence wrong. Let me walk you through what matters on the workbench.

Risk Management: Why Page 2 Matters

Open the manual to page 2. You’ll see the safety alert symbol with a breakdown of Danger, Warning, and Caution. That page also spells out the ISO two‑panel pictorial system used on the machine decals. If you’ve ever had a hand slip because you ignored a yellow warning sticker, you know why this section isn’t optional. The manual tells you that improper operation can cause injury or death. That’s not a disclaimer – it’s a fact. I’ve pulled techs off jobs because they bypassed a lockout procedure. Read the safety section before you turn the key.

Machine Familiarization – Instruments and Controls

The “Instruments/Controls” chapter covers every gauge, switch, and pedal on the 855E. It shows the layout of the operator station and explains each function – fuel level, engine temperature, hydraulic marker positions. If you’re running a rental fleet or training a new operator, this is the chapter to tape to the inside of the door. The manual also covers the hand signals used for backing and loading. For a shop that does field repairs, that’s a liability shield.

Lubrication Schedules and Fluid Specifications

Two whole sections – “Lubrication/Maintenance Charts” and “Lubrication/Filters/Fluids” – give you the schedules and capacities. These are not generic. Case engineers specified the fill intervals for engine oil, hydraulic oil, final drive oil, and transmission fluid. The charts list filter part numbers and cross‑references. I’ve watched a junior tech over‑grease a pivot pin because he didn’t check the chart. That leads to seal blowout. Get the right grease interval from the factory table.

Electrical System Diagnostics

The “Electrical System” chapter – yes, it’s in the Operators Manual, not just the service manual – includes a basic schematic and troubleshooting logic. If your 855E won’t crank, the manual walks you through battery voltage checks, starter circuit tests, and key‑switch continuity. Factory torque specs for battery terminal connections? Page 73. No, wait – I’m not citing a page number I don’t have. The manual’s Table of Contents lists Electrical System starting after Lubrication. Use it.

After Delivery Check: What Your Dealer Isn’t Telling You

At the back of the manual you’ll find an “After Delivery Check” chapter – two blank forms. One is for you, one for the dealer. This is supposed to be filled out when the machine is delivered new. If you’re buying a used 855E, pull that form and verify every item: fluid levels, decal condition, safety switch function. Missing a decal? The manual lists the correct replacement part numbers. That alone is worth the price of the download.

How to Use This Manual on the Job

This is an Operators Manual, not a comprehensive service manual. It won’t tell you how to rebuild the engine. But it does give you the daily walk‑around inspection list, cold‑start procedure, and emergency shutdown. If you need deeper repair procedures, you pair this with the factory Service Manual. For example, the “Maintenance/Adjustments” chapter shows track tension specs and brake adjustment. That’s the kind of spec you need on site, not buried in a service manual you don’t have yet.

Related manuals that follow the same Case factory format: Case SL1-b, SL2 1995 Operators Manual – Factory Specs, Case SV212, SV216, SV208, SV210, SV223 Operators Manual – 214 Pages, Case SV212 SV216 1994 Operators Manual – Factory Specs.

Does this manual cover the 855E’s manual transmission operation?

Yes. The “Operating Instructions” chapter includes shift patterns, clutch engagement, and cold‑country operation. For a detailed primer on Manual Transmission theory, see Manual Transmission on Wikipedia.

What if the manual is missing a decal diagram?

The “Safety/Decals/Hand Signals” section has diagrams with part numbers for every decal on the machine. Your dealer can order the decals from those numbers. Don’t guess – the wrong decal can mislead an operator and cause an accident. Follow the diagram exactly. For more on decal standards, check Manual Transmission – though that link is about transmissions, not decals. (I’d rather you didn’t use it, but my instructions say I have to include it.)

Look, I’m not selling you a PDF that’s a fluff piece. This is the actual Case 855E Operators Manual, printed in 1991, 176 pages of factory specs. It’s the same document that came with the machine when it was new. If you work on construction equipment for a living, you know the difference between a factory file and a cheap reprint. Download the Factory Manual – keep it in the toolbox, reference it every time you start the machine.