Description

FIAT Kobelco LK300A 1987 Service Manual

Any mechanic who’s wasted billable hours because an aftermarket manual had the wrong torque spec for a bell housing bolt knows what I mean. You torque it to some made‑up number, the housing cracks, and you’re buying a customer a new transmission. This FIAT Kobelco LK300A 1987 Service Manual is the only document that came out of Carol Stream, Illinois, from Kobelco Construction Machinery America. It’s 604 pages of factory‑verified data, not a photocopy that got scanned three times and lost every tenth of a pound‑foot.

It comes directly from Kobelco’s own shop library – book code S5RL0002E3, printed February 1987. The General section alone has the Specification (page 01) with the exact hydraulic pressures, engine idle speeds, and tire inflation for the LK300A. That’s the kind of data you need when a machine comes in with a code and the customer is waiting. The Operation (page 02) explains the loader’s controls and safety interlocks – your apprentice should read that before he gets behind the wheel.

For a machine like the LK300A wheel loader, you don’t guess at linkage adjustments. The Working Standard heading (page 07) gives you the step‑by‑step procedure for the transmission shift lever and the steering column. We’re talking about shims, clearances, and the exact feel you set before you button it up. I’ve seen too many used loaders with sloppy steering because someone used a generic FSM. This book kills that.

General Section – Specs and Operation Details

The General heading in this shop manual covers three sub‑sections: Specification, Operation, and Working Standard. Each one is indexed on the page margin for quick flipping – Kobelco designed it that way so you can find the bearing preload spec without reading ten pages of theory. Page 01 lists the engine make, model, and the full torque chart for the main bearing cap bolts. If you’re rebuilding a 4‑cylinder diesel from a 1987 LK300A, that’s your starting point. The Operation sub‑section walks through the dash lights, the ESX control override sequence, and the lock‑out procedure for the parking brake. Know where those safety pins go before you lift the cab.

Systems – Hydraulics, Powertrain, and Electrical

Under the Systems heading, the manual dives into the LK300A’s hydraulic circuit, the ZF transmission (look up the Manual Transmission basics if you need a refresher), and the 12‑volt electrical system. Each system gets its own color‑coded schematic in the original print – the PDF keeps that clarity. You get the pump flow rates, relief valve settings, and the wire gauge for every harness. The electrical section includes the starter motor circuit and the alternator output test. If you’ve got a no‑crank issue, you flip to that page and check voltage drop across the starter relay before you swap parts. That’s how you get paid.

Component Removal and Installation – Don’t Skip the Order

This section, listed under Components, gives you the sequence for pulling the torque converter, the steering axle, and the final drives. It tells you which bolts get Loctite and which ones get anti‑seize. The manual even calls out the tool to use – Kobelco part numbers, not generic “Use a puller”. If you’re doing a clutch overhaul on a separate machine, check the Manual Transmission article for the basics, but trust the factory breakdown for the LK300A. It tells you the order of shim removal and the preload spec in inch‑pounds. Half a pound off and the bearing heats up. I’ve seen it.

Procedure – Step‑by‑Step Work Standards

The Procedure heading is where this manual earns its keep. It covers the adjust‑up for the brakes, the bleed procedure for the hydraulic pilot system, and the timing check for the injection pump. Every step has a torque value, a clear “stop” point, and a safety warning. For example, the front axle pivot pin requires 340 ft‑lbs dry – no oil on the threads. The manual calls that out because a greased thread will over‑torque and break the housing. Page 07 (Working Standard) has the full breakdown for the parking brake cable adjustment. That’s the difference between a job you do once and a comeback next month.

Source Authenticity – Why OEM Beats Aftermarket Every Time

This isn’t a reprint from a third‑party shop that scanned a dirty paperback. The PDF is a digital copy of the original Kobelco print run from 1987, with the copyright page intact and no redactions. You get the factory book code, the distribution date, and the full table of contents. The torque values are in foot‑pounds as Kobelco specified them – not converted by some intern in 2023. If you need a manual for a different model, look at the FIAT Kobelco SK430 SK310 1998 Service Manual OEM Specs”> or the FIAT Kobelco SK210LC SK200 SK230 2000 Service Manual 306 Pages”>. For a compact loader, the FIAT Kobelco SK35SR-5, SK30SR-5 2010 Service Manual – OEM Shop Manual”> covers the newer machines.

What years and models does this manual cover?

It covers the 1987 FIAT Kobelco LK300A wheel loader, with serial number range S5RL0002E-03 and RL-2002 onwards.

Can I use this manual for general diesel engine repair?

It includes the full engine specification for the LK300A’s diesel – torque values, injection timing, valve clearance. But it’s not a generic engine manual. You get the exact data for this loader’s powertrain, not a generic four‑cylinder chapter. If you need a universal diesel repair guide, this isn’t that. It’s the factory document for a specific machine, and that’s what makes it safe and accurate.

You’ve got a 1987 LK300A in the shop waiting for a front axle rebuild or a hydraulic pump swap. The aftermarket PDF you obtained last year gave you the wrong bolt pattern for the steering cylinder. Don’t waste another afternoon. Access the Factory Manual and get the real specs – torque values, wiring colors, and the order of removal that keeps the housing from cracking. Your labor rate deserves OEM accuracy.