PARK POSITION BRAKE TROUBLESHOOTING
Tools and Special Tools
91B Light Wheel Vehicle Mechanic (2)
PARK POSITION BRAKE Troubleshooting Procedures
Do not attempt to service or otherwise make any adjustments, connections, or re-connections
of wires until SATS is shut down and batteries are disconnected. Remove all rings, watches,
and other jewelry when performing maintenance on this equipment.
The use of Personal Protective Equipment (PPE) is required when using or handling hazardous
materials associated with operating and maintaining equipment (jet fuel, hydraulic luid, brake
luid, ethylene glycol, cleaning solvents, compressed air, and engine/axle oil). Failure to use
PPE when handling these materials could result in injury or death.
PARK POSITION BRAKE WILL NOT ENGAGE
1. Ohms test park position circuit breaker CB2 (WP 0122) for continuity (FO-1, Line 31).
Does park position circuit breaker CB2 have continuity?
YES Proceed to Step 2.
NO Replace park position circuit breaker CB2 (WP 0122).
Check that the transmission gear selector is in the park position (WP 0005).
Is gear selector in the park position?
YES Proceed to Step 3.