The most Frequently Asked Questions

In here you will find a collection of the most frequently asked questions by our customers, and the answers for these.
(Below here is a sorting mechanism, to easily find the right category for the answer you are looking for)

What does the fault message in the remote control system mean?

  • See fault code.
  • No connection to feedback pot.meter or feedback pot.meter defect.
  • PVG valve do not react to signal

Where is the noise in the hydraulic system coming from?

Leakage in suction line (o-ring, filter or pipe damaged).

Why is the pitch control not precise?

  • Control system not adjusted correct.
  • Feedback pot.meter defect in one point.
  • PVG valve loose connection.
  • Belt to feedback pot.meter too loose.
  • Hydraulic pump cannot maintain max pressure.
  • Propeller hub not sufficiently greased.

Why is the clutch engaging with a “bang”?

Accumulator has lost the pressure. Recharge it.

Why can't the clutch be disengaged?

See “cannot engage clutch”

Why can't the clutch be engaged?

Remote control system fails

  • See “clutch pressure alarm”.
  • Hydraulic clutch damaged.
  • Remote control system fails.
  • Solenoid valve defect or no connection.

Why is the temperature high in the stern tube seal/bearing?

  • Gearbox out of alignment.
  • Cooling water flow insufficient or too hot.

Why is the pitch control not precise?

Propeller hub is not sufficiently greased

Why is there no pitch movement?

  • Control system have failed.
  • Propeller hub has no grease.
  • Tie rod is broken

Why is the gearbox making a metallic noise?

  • Bearings damaged.
  • Engine RPM to low.

Why do I have a pitch pressure alarm?

  • Hydraulic pump for the pitch damaged.
  • Main relief in PVG valve damaged.
  • Hydraulic pump drive broken.

Why do I have a clutch pressure alarm?

  • Hydraulic pump for clutch damaged.
  • Main relief or pressure reducing valve damaged.
  • Hydraulic pump drive broken.

Why is there water in the oil?

Oil cooler leaking.

Why is the temperature high in the gearbox oil?

  • Cooling water to warm.
  • Cooling flow water insufficient.

Why is there a loss of oil/oil in cooling water?

  • Oil cooler leaking to salt water side.
  • O-rings or seals on the gear is leaking.

Why is there dirt in oil/oil filter?

  • Hydraulic clutch defect.
  • Bearings defect.

What does the fault message in the remote control system mean?

  • See fault code.
  • No connection to feedback pot.meter or feedback pot.meter defect.
  • PVG valve do not react to signal

Where is the noise in the hydraulic system coming from?

Leakage in suction line (o-ring, filter or pipe damaged).

Why is the pitch control not precise?

  • Control system not adjusted correct.
  • Feedback pot.meter defect in one point.
  • PVG valve loose connection.
  • Belt to feedback pot.meter too loose.
  • Hydraulic pump cannot maintain max pressure.
  • Propeller hub not sufficiently greased.

Why is the clutch engaging with a “bang”?

Accumulator has lost the pressure. Recharge it.

Why can't the clutch be disengaged?

See “cannot engage clutch”

Why can't the clutch be engaged?

Remote control system fails

  • See “clutch pressure alarm”.
  • Hydraulic clutch damaged.
  • Remote control system fails.
  • Solenoid valve defect or no connection.

Why is the gearbox making a metallic noise?

  • Bearings damaged.
  • Engine RPM to low.

Why do I have a pitch pressure alarm?

  • Hydraulic pump for the pitch damaged.
  • Main relief in PVG valve damaged.
  • Hydraulic pump drive broken.

Why do I have a clutch pressure alarm?

  • Hydraulic pump for clutch damaged.
  • Main relief or pressure reducing valve damaged.
  • Hydraulic pump drive broken.

Why is there water in the oil?

Oil cooler leaking.

Why is the temperature high in the gearbox oil?

  • Cooling water to warm.
  • Cooling flow water insufficient.

Why is there a loss of oil/oil in cooling water?

  • Oil cooler leaking to salt water side.
  • O-rings or seals on the gear is leaking.

Why is there dirt in oil/oil filter?

  • Hydraulic clutch defect.
  • Bearings defect.

Why is the temperature high in the stern tube seal/bearing?

  • Gearbox out of alignment.
  • Cooling water flow insufficient or too hot.

Why is the pitch control not precise?

Propeller hub is not sufficiently greased

Why is there no pitch movement?

  • Control system have failed.
  • Propeller hub has no grease.
  • Tie rod is broken