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Robbie Gibson's.............
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Robbie's JBA Sports SR....... Build.

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Fitting the (CBU)  central body unit

Steering Shaft  Pedal Assembly  Brake Pipe Connections 

   

CBU

It is a two man job to lift and manouver the CBU on to the chassis. Tilting it up and backwards to clear the seat belt uprights and the hood frame location brackets. The CBU is not heavy it is just that you need a person either side.

 Started by fitting the heater brackets and a heater from a Ford Fiesta and cover plate for the heater pipes from the donor car, then made a plate to blank off the top of the heater. Two holes are made in this and are for the flexible ducting pipes to connect to the demisters.

I had painted the air intake moulding and the steering moulding black, using a spray can from Halfords and now it was time to fit these and trim the scuttle of the CBU.

The manual suggests sealing all these fitments to the tub at this stage, however we left ours dry as they had to come off for painting the tub, as ours were a different colour from the tub, but were sealed on final fit.

If I had to build another JBA I would paint the CBU first and it would save a lot of work stripping down, as there is very little of the tub left showing after the car is assembled. Funny when its the biggest part of the car, apart from the chassis. 

Also I did not secure the battery box at this stage as it a handy access hole, for getting behind the dashboard later.

    I found that the CBU was fouling the gearbox slightly, but this was overcome by lifting the CBU off and putting  spacing washers onto the gearbox mounts to lower the gearbox a wee bit. I have spoken to a few builders some have had this problem and others haven't.

Kenny and I refitted the CBU and drilled the holes in the CBU as per manual lifted it off again and I stuck on the chassis felt, supplied by JBA, to the chassis to protect the tub. Then re-fitted the tub and fitted the scuttle bar and bolted the tub down, refitting the seat belt diagonals. At the assembly stage we used all the nuts and bolts dry without any grease or copperslip added because we did not want any grease etc going on the kit as it has to be stripped down for painting.

Photo Showing Pedal Assembly and Steering Shaft fitted.       

   Now the tub was in place this is where the work begins.

Kenny modified the clutch pedal and the brake servo and fitted these to the tub, he modified the steering shaft as per manual and fitted the assembly to the CBU using new bush and alloy ring (available from your local Ford agent) where the steering comes through bulkhead and connected it up to the steering rack using the  Triumph Dolomite part number 157659 (supplied in Kit)

Various members of older cars would like me to include a price for this part. The price of this part is 43.15p. September1999  available from JBA or your local Rover dealer.

Brake Pipe Connections 1984 On

THE BRAKE BALANCE VALVE ON THE CHASSIS IS FITTED WITH  THE REAR PIPE FITTED TO THE FRONT

Ford Sierra JBA Sports SR. JBA Falcon TSR.

Right Hand Drive

From the Servo

 

 My own Brake Pipe Connections as on 1983 model

Right Hand Drive

From the Servo

1 The front pipe on the Servo nearest the radiator which sits undeneath  facing down to the ground couples up to The Off Side / Drivers side Front Brake.

2 The middle pipe on the Servo which sits facing passenger side couples up to
The Near Side / Passenger side Front Brake.

3          The rear pipe on the Servo nearest the windscreen which sits facing passenger side couples up to
The Brake Balance Valve on Offside Chassis on the inside at the front of CBU.

Servo marked 1: 2 & 3 To match text

Brake Balance Valve

The Rear Pipe on this valve couples up to the Rear Brakes

Photo taken after car was painted.
Also note the temporary Dashboard  and the fibreglass scuttle roll trimmed.

Kenny finally fitted the handbrake bracket supplied by JBA we made up and drilled two bits of  mild steel flat bar  for the underside of the tunnel to secure to the handbrake bracket and connected up the  handbrake cable (Supplied in Kit) available from JBA, to the handbrake assembly from the donor car.

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falconsr2.gif (951 bytes)Safe Driving All the Best Regards Robbie. falconsl2.gif (949 bytes)

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