RILEY RM MAINTENANCE NOTES


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The Maintenance Notes cover the following as well as some bonus items. All the articles are in PDF format and can be printed out for convenient use while working on the car.

1. Steering System Overhaul. A limited amount of wear in the track rod ends can be removed by adjustment and it is possible to change the rubber covers without removing the whole steering mechanism from the car. However wear in the steering mechanism which allows the double eye bracket to which the inner track rod ends are attached to move significantly is more serious and requires a steering rack system rebuild. Reconditioned units are available from several sources but are expensive. Providing you have basic hand working tools (vice, files etc.) and access to welding equipment (simple arc welding will do fine) for one small weld then reconditioning the existing steering rack system need present no terrors. We show you how to do it in these Maintenance Notes.

2. Charging System Fault Finding and Overhaul. It's late at night, you are in the middle of nowhere, the ammeter is showing a 15 amp discharge, the red ignition light refuses to go out, the lights are getting dimmer and, of course, it is raining and you have no idea when the battery will finally give out. Just a nightmare or has it happened to you already? Not only will these Maintenance Notes tell you how the systems works and how to repair it at home, it will tell you some get you home tricks.

Here's good one which might help in the above situation. Since most failures are associated with the control box, take a stout piece of wire and connect together the F and D terminals on either the dynamo or the control box (the latter is usually easier). Now start the engine and watch the ammeter and ignition light. Slowly increase the engine speed, does the ignition light go out and does the ammeter start to show a charge as the revs. rise further? If so you can drive home albeit slowly. As you drive keep a close watch on the ammeter and keep the charging rate below about 10 amps. With the F and D terminals shorted the dynamo will be running unregulated (we have taken the regulator out of the circuit) and if we allow the revs. to rise too high the voltage in the system will rise too high and something will get damaged. You will probably find that you can drive at about 30 mph in top gear. It may be slow progress but at least you will get home! Once home you can use these Maintenance Notes to find and cure the problem.

3. Maintenance And Repair of Engine Bearings. The oil pressure is good even at tick over speeds but the engine knocks under acceleration - what can be wrong? Well, you might just have a recently rebuilt engine with tight bearing clearance and a dynamo with loose mounting bolts or you could be suffering a classic RM Riley big end failure.

In these Maintenance Notes we explain why such a failure occurs and how to cure it and prevent it happening in future. We also cover the engine lubrication system with details of the oil pump and filters and how to overhaul them. We show the crankshaft, the oil ways and the bearings. The bearings themselves are cast white metal apart from the later 2½ engines which use shell bearings (unobtainable). We cover the whole repair process from removing the engine from the car, through dismantling, inspection, repair right up to running in. We also detail how to convert the big end bearings to available shells.

4. Recovering and RM Roof. A roof with split seams or other damage needs to be repaired before it lets in water and the timber frame beneath it deteriorates. In these Maintenance Notes we explain how to do it so that the new roof is not only water tight but looks good too.

5. Clutch Overhaul. Driving with a slipping clutch can lead to expensive problems. In these notes we look at how the RM clutch works, what can go wrong and how to remove the clutch and overhaul it. We also give some tips aimed at minimising the costs.

6. Workshop Manual. This is a full copy of the Workshop Manual.

7. Driver's Handbooks. Here we have copies of the Driver's Handbooks for the 100HP 2½ Litre Model (Export Edition), the RME and the RMF.

8. Number Plate Identification. These tables will allow you to identify when and where a car was registered based upon its current number plate. This is very useful for checking a car's history and whether it has been reregestisterd at some time. Sometimes the original number has been sold and a new age related number has been obtained.

9. Riley Service Bulletins Vol.1 to Vol.4. These cover January 1946 to July 1950 and are the information bulletins issued to dealers by Rileys giving important information on updates as well as vehicle support and repair.



The aim of these Maintenance Notes is to add to the information in the Workshop Manual. They are an essential addendum to the Workshop Manual.