Table 3-1. Operator/Crew Troubleshooting (cont'd)
TEST OR INSPECTION
Step 2. Check air pressure of towing vehicle
If pressure is low, build up pressure to 90-100 psi (720.5 - 758.5 kPa).
If pressure is normal, proceed to step 3.
Step 3. Check connections of air lines to gladhands.
If air lines are not properly connected (EMERGENCY to EMERGENCY and
SERVICE to SERVICE), connect air lines properly.
If air lines are properly connected, proceed to step 4.
Step 4. Check for dirty or leaking gladhand connections.
If gladhand is dirty, clean gladhand.
If gladhand is leaking, notify unit maintenance.
If gladhand is clean and not leaking, proceed to step 5.
Step 5. Inspect air hoses and connectors for leaks.
If hoses or connectors are leaking, notify unit maintenance.
If connectors are not leaking, proceed to step 6.
Step 6. Check air reservoirs for open drain cocks.
If a drain cock is open, close it.
If all drain cocks are closed, notify unit maintenance.
8. NO BRAKES OR WEAK BRAKES
Step 1. Check to see if intervehicular air hoses (1) are properly
If air hoses are not properly connected, connect them
If air hoses are connected properly, proceed to step 2.
Step 2. Check for low air pressure.
If pressure is low, build up pressure.
If pressure is normal, notify unit maintenance.