2-28. DEEP WATER FORDING.
Do not ford water unless depth is known. Water deeper than four ft (1.22 m) may enter trailer
parts, causing injury or equipment damage.
Ensure depth of fording site is not more than four ft (1.22 m).
Ensure bottom at fording site is firm enough that four ft (1.22 m) maximum fording depth will not be
exceeded and trailer will not become mired.
Stop truck and trailer at edge of water.
If brakes have been used heavily and are hot, allow drums and shoes to cool before entering water if
Drive truck and trailer slowly into water.
Drive at three to four mph (five to six km/h), or less, through water.
Unless absolutely necessary, do not stop while in water.
If truck and trailer accidentally enters water deeper than four ft (1.22 m), slowly back truck and trailer out
of deep water.
After leaving water, press brake pedal lightly and hold while driving slowly to dry out brake linings.
When clear of fording area, stop truck and trailer.
Apply and release parking brake several times to remove water from brake components.
Remove water and clean deposits from all trailer parts as soon as possible.
Lubricate and perform PMCS check as soon as possible.
2-29. EMERGENCY PROCEDURES.
Loss of Air Supply System Pressure While Driving.
Refer to TM 9-2320-364-10 for driving instructions in the event of air system failure.
Look for place to stop truck and trailer without blocking other traffic.
Downshift, as needed, to control truck speed until place is found to stop.
Refer to troubleshooting as soon as possible.