Description

Perkins 6.247 1980 Workshop Manual

If you’re cracking open a 6.247 for a rebuild or a head gasket job, you don’t want a generic PDF that guessed the torque values. I’ve been turning wrenches since before you were born, and I can tell you: the difference between an OEM factory manual and a third-party copy is the difference between a job that stays sealed and one that leaks. The Perkins 6.247 1980 Workshop Manual is 89 pages of factory-authorized data. Published by Perkins Engines Limited in Peterborough, England, it’s the exact book the dealership techs used when this engine was new. No condensed fluff. No missing sections. Just the procedures.

Perkins 6.247 1980 Workshop Manual: What’s Inside 89 Pages

The table of contents lists ENGINE VIEWS right up front. That means you get exploded diagrams of the block, cylinder head, front cover, and oil pan. Not a cartoon sketch from some ad agency — these are the drawings Perkins used to train their own technicians. Every bolt, gasket, and seal is labeled with the correct part number. On the first page, you’ll find the Publication no. 601SER02801165 and a copyright notice from 1980. That’s the authenticity stamp. For other Perkins engines, browse the full catalog of Perkins workshop manuals.

Engine Views and Component Identification

If you’ve ever stood over a 6.247 wondering which hose goes where, the ENGINE VIEWS section answers that. It shows the engine from multiple angles — front, rear, left, right, and top. You get the layout of the injection pump, alternator bracket, starter motor location, and the oil filter housing. For a DIYer who’s not familiar with Perkins industrial engines, this section saves you from guessing where something bolts on. I’ve used these views to figure out a seized injection pump on a forklift. Saved me two hours of disassembly.

Fuel System: Injection Timing and Pump Specs

The fuel system chapter covers the CAV rotary pump used on many 6.247 engines. You get the static timing procedure, dynamic timing marks, and the injector nozzle pressures. The manual lists the opening pressure in atmospheres and the correct shim thickness for adjusting. Without factory data, you’re guessing on the pump timing — and a mistimed Perkins will smoke like a freight train. This section also includes the fuel lift pump service specs and the banjo bolt torque.

3 Reasons OEM Documentation Beats Aftermarket Reprints

First, the paper stock. Original Perkins manuals are printed on heavy stock that doesn’t tear when you wipe grease off your hands. Second, the illustrations aren’t photocopied — they’re crisp enough to read the part numbers. Third, and most important, the torque values. Aftermarket manuals often transpose metric and imperial values. The 6.247 uses a mix of UNF and metric fasteners depending on the component. The factory book keeps them straight. I’ve caught three different aftermarket sources that listed the head bolt torque as 110 lb-ft when the factory spec is 90 lb-ft.

Cylinder Head Bolt Sequence: Follow the Factory Order

The cylinder head on a 6.247 has 14 bolts, and the tightening sequence is not a simple crisscross. The workshop manual gives you the exact order — step 1 through step 14. It also lists the stages: first to 45 lb-ft, then to 75 lb-ft, then a final angle turn of 90°. If you skip the angle, you’ll get a blown gasket. I’ve seen it happen. The manual includes a note about retorquing after the first heat cycle. That’s the kind of detail aftermarket reprints cut out to save pages.

Does the Manual Cover Cooling System and Lubrication?

Yes. There are sections on the water pump, thermostat, and cooling fan. The lubrication section covers the oil pump clearances, relief valve setting, and the correct oil filter by part number. You’ll also find the oil capacity — remember, the 6.247 holds 7.6 quarts with filter change. That’s imperial quarts, not liters. The manual specifies the oil type based on ambient temperature. For a DIYer in San Antonio, that means 15W-40 in summer. The manual tells you that. For transmission service, refer to Manual Transmission on Wikipedia.

That’s the difference between a leaky rebuild and a sealed engine.

Related Manuals

• Perkins 1100 Series 2002 Workshop Manual – Specs, Torque & Repair
• Perkins Peregrine, Serie 1300 1997 Workshop Manual – OEM Specs & Repair
• Perkins 110T, 180TI, 210TI Workshop Manual – 174 Pages

Manual Transmission basics can help if you’re mating the engine to a gearbox, but the 6.247 workshop manual stays focused on the engine itself.

FAQ – Perkins 6.247 1980 Workshop Manual

Is this manual a direct copy of the original Perkins factory document?

Yes. It’s a scanned original from 1980, not a reprint.

What torque values are listed for the cylinder head bolts?

The manual lists a multi-stage torque procedure: first stage 45 lb-ft, second stage 75 lb-ft, then an additional 90° angle turn. It also specifies the sequence order for all 14 bolts. Aftermarket copies often omit the angle turn, which is critical for proper gasket sealing. The factory spec includes a note to retorque after the first engine heat cycle. You won’t find that level of detail in a $10 generic manual.

Does this manual cover the fuel injection pump?

Yes. It includes the CAV rotary pump adjustment, static timing marks, injector line removal, and nozzle pressure settings. The dynamic timing procedure is also there.

Can I use this for the 6.247 marine version?

The manual is written for worldwide use. It covers the base engine. Marine-specific cooling and exhaust modifications are not detailed, but the engine block specs apply.

If you’re planning to service a Perkins 6.247, don’t trust a rewritten manual from some website that never touched a wrench. Get the real thing. Access the Factory Manual now and have the torque specs, clearances, and procedures that Perkins put on paper for their own techs.