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General| Brand | American Turbine |
|---|---|
| Model | SD-309 |
| Category | Water Pump |
| Language | English |
Lubricate thrust bearing every thirty hours or if boat sits for more than 2 months.
Verify nozzle turns completely against housing when wheel is rotated.
Check reverse bucket coverage of nozzle discharge in forward, neutral, and reverse.
Check to ensure the hand hole cover is tightly fastened.
Inspect and lubricate thrust bearing every thirty hours; bowl bearings at winterization, midway, and winterization.
Adjust packing gland nuts in quarter-turn increments for proper compression.
Inspect reverse bucket function and secure cable attachments.
Choose impeller size based on speed, economy, efficiency, engine life, and noise priorities.
Recommend shutting off engine when retrieving downed skiers.
Avoid ski ropes being sucked into pump; shut off engine when retrieving.
Be careful in shallow, rocky water to avoid damage from ingested rocks.
Jet drive unit warranted for 12 months against defects in material and workmanship.
Return defective part freight prepaid to American Turbine for repair or replacement.
Warranty excludes third-party parts, normal maintenance, and modifications.
Tachometer is key for performance; RPMs should remain consistent.
Poor performance with normal RPMs points to hull problems like overload or drag.
High RPMs with low thrust suggest jet unit problems like blockage or wear.
Low RPMs typically indicate engine problems such as fuel, air, or ignition faults.
Noise can stem from cavitation, bearing wear, or drive shaft vibration.
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