TM-5-5420-279-10
85. Unsling far bank carriage, raise and shootbolt.
Carriage shootbolt will not retract.
Check that the bridge is fully lowered and carriage lifting slings are slack.
Check R clip is removed.
Check for seizure or deformation of the pin. Report seizure/deformation to
maintenance.
Sling will not route through lifting point.
Check for integrity of lifting pin and bracket. Report any defects to
maintenance.
Carriage lifting beam will not connect with upper carriage body.
Ensure the two halves of the carriage are aligned correctly, use the carriage
lifting slings as guide ropes.
Ensure that the two carriage shootbolts are fully retracted.
Check for any deformation of the carriage. Report any deformation to
maintenance.
86. Raise bridge and release home bank carriage shootbolts.
Check that the chest pack is in BRIDGE LIFT mode.
Ensure that the bridge is fully lifted and shootbolts become loose.
Check carriage lift beam to main carriage body shootbolts
for
deformation/seizure. Report any damage to maintenance.
87. Lower home bank of bridge to ground.
Check that the chest pack is in BRIDGE LIFT mode.
Check both shootbolts are fully retracted.
Lowering is not smooth or is noisy.
Check rotation of all carriage pulleys. Report any defect to maintenance.
88. Unsling home bank carriage and raise.
Home bank carriage shootbolt will not retract.
Check that the bridge is fully lowered and home bank carriage lifting slings
are slack.
Check R clip is removed.
Check for seizure/deformation of the pin. Report any damage to
maintenance.
Sling will not route through lifting point.
Check for integrity of lifting pin and bracket. Report any damage to
maintenance.
Carriage lifting beam will not connect with upper carriage body.
Ensure the two halves of the carriage are aligned correctly, use the carriage
lifting slings as guide ropes.
Ensure that the two shootbolts are fully retracted.
Check for any deformation of the carriage. Report deformation to
maintenance.
89. Retrieve carriages and lock.
Excessive noise from carriages on retrieve.
Check that the carriage main upper rollers rotate freely. Report any seized
rollers to maintenance.
Check that all side rollers rotate freely. Report any seized rollers to
maintenance.
Latches
Ensure that the home bank carriage latch is lowered and free to rotate.
Report any defect to maintenance.
Ensure far bank carriage latch is free to rotate. Report any defect to
maintenance.
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