Colour Coding - jcb 214e Service Manual

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Colour Coding

The following colour coding, used on illustrations to denote various conditions of oil pressure and flow, is standardised
throughout JCB Service publications.
Red Full Pressure
Pressure generated from operation of a service. Depending on application this may
be anything between neutral circuit pressure and M.R.V. operating pressure.
Pink Pressure
Pressure that is above neutral circuit pressure but lower than that denoted by red.
Orange Servo
Oil pressure used in controlling a device (servo).
Blue Neutral
Neutral circuit pressure.
Green
Exhaust
Cavitation
Light
Oil subjected to a partial vacuum due to a drop in pressure (cavitation).
Green
Yellow
Lock Up
Oil trapped within a chamber or line, preventing movement of components (lock up).
A390940
9803/3280
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Issue 1