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JRB Operating Procedures Outline
Steering System
No.
Symptom
Possible Cause
1
2
Solution
Steering stiff at the helm.
Grit jamming nozzle.
Work nozzle from side to side to release grit. Flush out.
Helm wheel or cable system stiff.
Disconnect cable system from the jet. Check, rectify and
lubricate as necessary.
Steering tiller shaft stiff.
Disconnect cable system from the jet. Check movement of
shaft, and clearance on shaft bushes. Rectify to a loose
running fit.
Grit between nozzle bushes.
Remove bolts, bushes and O-rings. Check bushes and Oring seal for wear. Replace with new parts as necessary.
Nozzle bearing bushes worn, allowing the nozzle to
rub on the housing.
Remove bolts, bushes and O-rings. Check bushes and Oring seal for wear. Replace with new parts as necessary.
Steering jamming.
Grit jamming nozzle.
Work nozzle from side to side to release grit. Flush out.
Nozzle pivot bolts loose or bent.
Remove, check and replace bolts to the torque specified on
the drawing.
Nozzle holder bowl deformed by impact.
Remove, rebuild or replace as necessary.
Table 3: Steering system fault finding
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