How many valves does a JCB engine have?
How many valves does a JCB engine have?
The engine has 16 valves, 2 inlet and 2 exhaust valves for each cylinder. The crankshaft also drives a mechanical fuel injection pump via gears. The pump injects fuel via injectors, or atomisers into each cylinder in time with the four stroke cycle.
Where are the torque figures on a JCB teletruk?
All sections are listed on the front cover; tabbed divider cards align directly with each individual section for quick reference. Where a torque setting is given as a single figure it may be varied by plus or minus 3%. Torque figures indicated are for dry threads. Torque figures for lubricated threads can be reduced by one third.
Where can I find the JCB service manual?
3. Introduction 9803/3400 Issue 1 General This Service Manual is designed for the benefit of JCB Distributor Service Engineers who are receiving or have received, train- ing by JCB Technical Training Department.
How to repair a JCB 3.0d teletruk service manual SN?
General Information Section 1Section 1 2 – 3 2 – 3 9803/3400 Issue 1 Hydraulic Fittings & Torque Settings Torque Stop Hose System ‘Torque Stop’ Hoses B screwed onto adaptors A etc. seal onto an ‘O’ ring C which is compressed into a 45o seat machined in the face of the adaptor port.
Do you have to re torque head bolts after gasket change?
That means the fasteners can’t get any looser or any tighter. But if you want to go to bed with that warm/fuzzy feeling that the head bolts were re-torqued, by all means, re-torque the head bolts. Double-checking the torque after it sits for a few days seems a good compromise.
Do you have to retorque composite head gaskets?
Years ago the old composite head gaskets had a requirement to retorque the head gaskets after a certain length of time. Read the installation instructions. If no mention is made to retorque then you are good to go. When I attended diesel mechanics class in the early 70’s…we always retorqued all cylinder heads after the engines were rebuilt.
When to return a head bolt to Geo?
After all, Geo didn’t request customers to return their vehicles for head bolt service after the first 1000 miles when the car was new. To each their own but I always torque them twice before buttoning up an engine. The second torquing is usually done after the engine has been sitting all day or overnight.
When to retorque cylinder heads after engine rebuild?
If no mention is made to retorque then you are good to go. When I attended diesel mechanics class in the early 70’s…we always retorqued all cylinder heads after the engines were rebuilt. The engines were run for 2 hours then allowed to cool down before being retorqued to specs. Some points to be made.
