TM-9-2330-330-14-P

SEMITRAILER, FUEL TANKER: 5000-GALLON, FUEL-DISPENSING, AUTOMOTIVE, M969A3

TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

NOVEMBER 2005

TM-9-2330-330-14-P - Page 119 of 1116

TM 9-2330-330-14&P

0013 00-1

BRAKE SYSTEM TROUBLESHOOTING

0013 00

THIS WP COVERS:

Brake System Troubleshooting

INITIAL SETUP:

Maintenance Level

References

Operator/Crew

WP 0007 00

To troubleshoot the M969A3 brake system, perform the test/inspections and corrective actions provided

in Table 1.

Table 1. Troubleshooting Procedures.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1.

BRAKES WILL NOT

RELEASE

1.

Check shut-off valves on

prime mover.

NOTE

Some prime movers may not

be equipped with shut-off

valves (refer to applicable

prime mover TM).

Open shut-off valves. If valves

are already open, go to step 2.

2.

Check that service and

emergency couplings are

connected properly to

M969A3 (refer to WP 0007

00).

3.

Check air pressure gages

in prime mover (refer to

applicable prime mover

TM).

If couplings are not connected

properly, connect couplings

(refer to WP 0007 00). Verify

problem is solved. If couplings

were connected properly, go to

step 3.

If prime mover air pressure

gages do not indicate 90 psi (621

kPa), notify Organizational

maintenance. If air pressure

gages indicate 90 psi (621 kPa)

or higher but brakes still will not

release, notify Organizational

maintenance.