KAMAZ 5490 Operation Manual page 106

№
Description of procedure
5 Check visually the state of bolster
device, coiled hoses of semi-trailer
brake system, the state of semi-
trailer connection cables.
6 Check the state and secure of lock
cam spring and bolster latch
spring.
Technical requirements and instructions
Inspect the bolster visually at the beginning of motion and during vehicle
stop. There must be no perceptible clearance between semi-trailer kingpin and
bolster lock. Damage of hoses is not admissible (inspect visually). Connection
cables must be secured reliably
Check the state of coiled hoses,
the state of connection cables
Breakage and disconnection of springs is not tolerable. The springs
should be securely fastened and ensure proper functioning (see Fig. Bolster).
6-3
.
Inspect the bolster state
Bolster