PROPULSION
6.20
2004 Four Stroke PWC Service Manual
Sac rif icial Anode
A zinc sacrificial anode is in place on all models on the pump housing. The purpose of the anode is to prevent
corrosion of metal parts due to electrolysis. The mounting surfaces must be clean and the mounting bolt tight
to maintain a good connection between the pump and anode.
1. Periodically inspect anode for excessive wear.
2. Check bolt to be sure it is tight. If the bolt is loose,
remove anode and clean mounting surfaces on pump
and anode.
3. Apply dielectric grease to bolt threads and contact
surfaces.
4. Tighten bolt securely.
NOTE: During preventative maintenance, verify that
the anode is tightened securely to the pump housing.
Replace sacrificial anode whenever anode shows
signs of erosion.
Sacrificial Anode Bolt Torque
25in.lbs. (2.9Nm)
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