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MAX PROP EASY Instruction Manual
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MAX PROP EASY Instruction Manual

Automatic feathering patented propeller
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Instruction Manual
EASY / WHISPER
automatic feathering patented propeller

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Summary of Contents for MAX PROP EASY

  • Page 1 Instruction Manual EASY / WHISPER automatic feathering patented propeller...
  • Page 3 INDEX 1. Introduction 2. Checks to be carried out before mounting the Max Prop propeller on the propeller shaftt 3. How to mount the Max Prop propeller on the propeller shaft 4. Checks to be carried out before launching the boat 5.
  • Page 4 Please note that the MAX PROP propeller ®...
  • Page 5 3. HOW TO MOUNT THE MAX PROP PROPELLER ON THE PROPELLER SHAFT ALBERO PORTA-ELICA PROPELLER SHAFT CHIAVETTA - KEY VITI BLOCCA-ZINCO LOCKING ZINC SCREWS DADO - NUT ZINCO - ZINC VITI BLOCCA-DADO LOCKING NUT SCREWS FORI PER INGRASSAGGIO GREASE HOLES fig.
  • Page 6 of the key is correct. If this is not the case, the thickness of the key must be reduced so that the hub penetrates to the position previously traced. c. Insert and tighten the nut and lock it by using the two locking-nut screws which should be inserted and tighten into the proper seats.The tightening torque of the nut must not be too high (do not exceed the value of 50 - 80 Newton/meter, which corresponds to a load of 5 - 8 kg on a lever of one...
  • Page 7 injection pressure applied until the grease starts to seep to the outside of the propeller through the slits and the rotating joints between the central part and the hub. • Remove the grease adduction tube and close the hole by tightening the grub screw.
  • Page 8 5. HOW TO DETERMINE THE OPTIMAL FORWARD MOTION PITCH AND / OR THE OPTIMAL BACKWARDS MOTION PITCH OF THE PROPELLER The diameter and pitch must be calculated as if MAX PROP EASY/WHISPER ® were a common fixed-pitch propeller. With respect to traditional propellers,...

  • Page 9: Practical Example

    Propeller diameter (millimeters) 300 350 400 450 500 550 600 650 700 750 800 10° 100 115 130 150 170 185 200 215 230 250 265 12° 120 140 160 180 200 220 240 260 280 300 320 14° 140 165 190 210 235 260 280 305 330 350 375 16°...
  • Page 10 6. DESCRIPTION OF THE PATENTED SYSTEM FOR SETTING AND / OR VARYING OF THE PITCH (for convenience all the propeller pitches will be “improperly” expressed in degrees) GRANO DI BLOCCAGGIO GRANO DI BLOCCAGGIO DELLA VITE/ASTA LOCKING PITCH ADJUSTMENT SCREW SCREW/ROD LOCKING GRUB SCREW ELICA - PROPELLER VITE/ASTA DI REGOLAZIONE...
  • Page 11 “L” and the backwards motion pitch by acting on the screw/ rod housed in the hole “R”. Each MAX PROP propeller is supplied with two screws/rods already ®...
  • Page 12 PRACTICAL EXAMPLE CONCERNING THE FORWARD MOTION PITCH The number 18 is stamped on the screw/rod. As the number 18 consists of two digits, the screw/rod must be used to set the forward motion pitch. If the screw/rod 18 is completely screwed up to abutment, the forward motion pitch of the propeller will be 18 degrees.
  • Page 13 All of the MAX PROP EASY/WHISPER propellers have been sized so that, by unscrewing one complete turn (360°) each forward pitch adjustment screw/ rod, the forward motion pitch decreases by four degrees.
  • Page 14 PRACTICAL EXAMPLE CONCERNING THE FORWARD MOTION PITCH In the housing for the forward motion pitch it has been screwed, up to abutment, a screw/rod stamped 22, therefore the propeller has now a forward motion pitch of 22 degrees. By unscrewing this screw/rod by one complete turn, the propeller will take a new forward motion pitch of 18 degrees (22-4=18).
  • Page 15 interval between one groove and the following one of each backwards pitch adjustment screw/rod will increase the backwards motion pitch by half a degree (4 : 8 = 0.5). PRACTICAL EXAMPLE CONCERNING THE FORWARD MOTION PITCH The screw/rod stamped number 22 has been screwed into its seat up to abutment, therefore the propeller has a forward motion pitch of 22°.
  • Page 16 a. Tighten the screw/rod up to abutment while counting with attention the number of groove intervals it rotates to come into abutment (and therefore how many half degrees the propeller pitch has changed). Write down this variation. b. Remove the screw/rod and read the number stamped on it. c.
  • Page 17 In order to change rotation of your MAX PROP propeller, from right-hand rotation to left-hand rotation or vice versa, operate as follows referring to fig. 6.
  • Page 18 d. Remove the zinc–holding ring. e. Once the zinc-holding ring has been pulled out, you can see that on one tooth of the hub (aft side) there is a reference mark, and that two teeth of the zinc- holding ring are marked respectively with “L” (left) and “R” (right). f.
  • Page 19 d. Verify that the grease is very fluid so that it pours and seeps to the outside of the propeller, thereby assuring the lubrification of the surfaces able to rotate reciprocally. This way, the blades will be arranged in their feathered position also if the boat travels at low speed.
  • Page 20 c. Verify that the nut is free to loosen and, at the same time, verify which is the rotation direction for the unscrewing (usually the nut loosens by rotating anticlockwise). d. Screw the nut again until it is moved again in abutment against the propeller. e.
  • Page 21 Costruttore Modello 3. MOTORE: Potenza massima Giri/minuto motore massimi Rapporto di riduzione Giri/minuto elica massimi 10. IDENTIFICATION FEATURES OF YOUR MAX PROP ® Diametro Passo 4. ELICA ATTUALE: Tipo: 2 pale 3 pale 4 pale 5 pale it is useful to fill in and keep the following data...
  • Page 22 The reparations in warranty, that might be needed, will be carried on exclusively by Max Prop Srl at its own workshop in Italy - Milan – Viale Carlo Espinasse 101. The customer will, at his own charge and care, send the defective pieces to our workshop.
  • Page 24 MAX PROP ® viale Carlo Espinasse, 101 - 20156 Milano - ITALY tel. +39 02 33 404 325 - skype: maxprop1 www.maxprop.it - info@maxprop.it...

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Whisper