Advisory Notice; Power Assist Pumps; How To Determine If Your Power Assist Is Affected - Dometic HC4645H Troubleshooting Manual

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9 Advisory notice

9.1 Power Assist pumps

We at Dometic have become aware of a few isolated cases where the SeaStar
power assist causes the steering wheel to stick when coming out of a full
(hard over) turn. This has been traced to a batch of rubber seals in 2012.
Although very rare, this condition typically presents itself on boats that are
performing a lot of full (hard over) steering maneuvers (for example patrol,
rental boats, etc. that frequently turn the wheel until it stops).
The sticking condition is typically described as follows:
• Boat is at slow speed (typically docking the boat).
• Operator turns wheel into the full (hard over) stop (in either direction).
• Operator slowly turns the wheel out of the turn (i.e. the opposite direction).
• Steering wheel turns 1/2 a turn then sticks.
NOTICE!
Steering wheel can unstick if the operator simply reverses the steering wheel
and turns back into the original turn direction, then again turns out of the turn.
9.2 How to determine if your Power
Assist is affected
1. Inspect the colored cap (shown in figure 9-1 item 3).
a. If blue, no further action is required.
b. If black, proceed to item 2 below.
2. Inspect Part No./Serial No. (shown in figure 9-1 item 1 and item 2).
a. If your Part No./Serial No. is listed in table 9-1, have your dealer
contact Dometic warranty department and follow instructions
below to disable the power assist.
b. If your Part No./Serial No. is not listed in table 9-1, no further action
is required.
PA1200-2
PA1206-2
PA1225-2
PA6010
PA6020
Other
Table 9-1.
12-02-108218 or higher
12-02-600636 or higher
12-02-400680 or higher
12-01-500144 or higher
12-01-600058 or higher
Not affected
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