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pre trip, brake test... etc
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slack adjusters
1”-2” and equal both sides
cut in minimum
85psi
cut out maximum
130psi
static test
no more than 2 psi drop in 60 seconds
applied brake test
no more than 3 psi drop in 60 seconds
low air alarm
audible and visual alarm 55 to 75 psi
spring brake test
20 to 45 psi
high idle recovery
@ 1200rpm, fill from 85 to 100psi in less than 45 seconds
tug test
park brake on in drive at 1000rpm
brake test
at <5mph, no hands, apply brake and verbalize any abnormal movements.
Kestrel and weather reading
Water tender shuttle calc
Flow rate (gpm) = 0.9 x tank size(TS) / trip time