Volvo Penta D4 Series Operator's Manual page 110

Maintenance
108
Hydraulic hoses
WARNING!
A leaking hydraulic hose can negatively affect steering,
and at worst steering can be lost altogether.
Hydraulic hoses, checks
1 Check carefully that no wear or cracks are present
on the steering system hydraulic hoses.
2 Check external hoses thoroughly as they are
exposed. Damaged hoses must be replaced.
Parallel rod
Parallel rods, checks
WARNING!
If the parallel strut (tie bar) shows signs of damage, run
at reduced speed to harbor. The parallel strut is a vital
safety component, damage may effect steering char-
acteristics. In the worst case steering could be lost
altogether. Never align or weld a damaged parallel
strut. Please contact your nearest authorized Volvo
Penta workshop for assistance.
Check the parallel rods connecting the two stern drives
together, especially after running aground or striking
an underwater object.
If a parallel rod is bent, loose or damaged it must be
checked by your Volvo Penta workshop.
Parallel rod (hydraulic), adjustment
The parallel rod can be adjusted when the boat is in
the water or on land.
47702599 12-2011