Table 3-3. Operator Troubleshooting - Continued
TEST OR INSPECTION
AIR SYSTEM ALARM SOUNDING
Step 1. Check ail reservoir drain valves are closed.
Close drain valves.
Step 2. Check engine has been running for at least 5 minutes.
Check pressure after 5 minutes.
If brakes have been operated excessively, allow pressure to
recover before proceeding.
ANY LIGHT FAILS TO OPERATE
Step 1. Check if switch is ON.
Set switch to ON.
Some lights require ignition switch ON, others require only
battery switch ON.
Step 2. Check that ignition switch in ON.
Some lights require ignition switch in ON, others require only battery switch ON.