Similar installations are designed to use a transmission
grade of oil as the chassis lubricant (Figure 27.20).
The automatic chassis lubrication system of a com-
mercial vehicle typically supplies the following points;
Road spring pivot and shackle bearings
Tandem axle balance beam bearings
Front axle king-pins
Track rod ball joints
Drag link ball joints
Power-assisted steering cylinder pivots
Brake camshaft bearings
Brake slack adjusters
Clutch operating shaft bearings
Gear lever linkage
Pedal linkages
Accelerator cross-shaft bearings
Tipping body hinges
Fifth-wheel coupling pivot and jaws.
27.3 TRAILER AND CARAVAN COUPLING ...
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