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Old 12-05-2016, 05:13 PM   #6
Larry H
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City: Pacific Northwest
Country: USA
Vessel Name: Jacari Maru
Vessel Model: 2014 Ranger Tug R-27
Join Date: Nov 2010
Posts: 359
For expert advice from a factory authorized repair center, contact Mike, in the service dept at:
Harbor Marine
1032 W Marine View Dr
Everett, WA 98201

I have been told that water in the trans fluid comes from the trans oil cooler, and the cooler should be replaced ASAP. I also heard that the water damages the clutch discs, so an overhaul may be needed. I use copper-nickel coolers, as they last much longer than the copper ones.

I drain my Velvet Drive by removing the hose ( that goes to the lower fitting on the starboard side of the trans) at the cooler and using an oil change pump. You can also remove the hose at the lower fitting and drain into a pan if you can get a drain pan under the trans.

The fluid in my trans has always been a clear red/pink color with no milkyness at all. The hour meter shows 5000 hours, but I have only put on about 1500 of those. I change the fluid at about every 200 hours of use.
Larry H
Cruising the Pacific Northwest
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