OPERATOR’S TROUBLESHOOTING
IMPROVED RIBBON BRIDGE (IRB)
RAMP BAY M16
NSN 5420-01-470-5825 P/N 12478918;
INTERIOR BAY M17
NSN 5420-01-470-5824 P/N 12478919.
Section II. OPERATOR’S TROUBLESHOOTING PROCEDURES
MECHANICAL TROUBLESHOOTING
NOTE
Refer to the general instructions in Introduction to
Troubleshooting, WP 0055 00, prior to performing
mechanical troubleshooting.
1. BAY WILL NOT UNFOLD AUTOMATICALLY WHEN LAUNCHED
Step 1. Check for loose or broken cable assemblies.
Step 2. Check to see all foldlocks and travel latches are unlatched.
Retrieve bay to transporter and unlatch foldlock and/or travel latch
levers (WP 0039 00).
Step 3. Check travel latch for damage (malfunction 9).
Step 4. Check for obstructions or jamming caused by rocks or debris.
Step 5. Check unfolding stabilizers for damage.
a. If inner ponton rail brackets or connecting links are bent or
broken, notify unit maintenance.
b. If stabilizer bar, levers, or straight pins are bent or broken, notify
unit maintenance.
Step 6. Check for broken torsion bar.
If torsion bar lever turnbuckle is loose or torsion bar lever can be
moved by hand, torsion bar is broken. Notify unit maintenance.
END OF TESTING
TM 5-5420-278-10
0058 00
0058 00-1
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Operator’s Mechanical Troubleshooting
