Atlas Copco XAMS 1150 CD7 T3 APP Instruction Manual page 90

WHEEL CHOCKS
For extra safe parking on slopes.
ADDITIONAL FUELFILTER
In dusty environments or in situations where the fuel
quality is not up to the normal standard, this
additional fuel filter gives an extra protection to the
fuel/combustion system.
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PREHEATER
The preheater is a device for preheating the cooling
fluid before starting when operating at low
temperatures. The engine will start more easy.
Additionally the preheater will lengthen the life span
of the engine as there are no cold starts (see also
section Preheater (option)).