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Manual for the Feathering Propeller
Installation on the shaft
Installation on the Saildrive
Operation
Pitch adjustment LH
Pitch adjustment RH
Defining and checking adjustments
Removing from the shaft ( after one or two seasons )
Removing from the shaft ( after the 3rd season )
Servicing
Torque settings prop-nut
Formular-Nr.:51 Rev.-Nr.:10 01/18
DF-80 and DF-107
2-, 3- and 4 blade model
( left-hand rotation propeller )
( right-hand rotation propeller)
- 1 -
page 2
page 3
page 4
page 5
page 6
page 7
page 8
page 9
page 10
page 11
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Summary of Contents for VariProp DF-80
- Page 1 Manual for the Feathering Propeller DF-80 and DF-107 2-, 3- and 4 blade model Installation on the shaft page 2 Installation on the Saildrive page 3 Operation page 4 Pitch adjustment LH ( left-hand rotation propeller ) page 5 Pitch adjustment RH...
- Page 2 Be sure to clean the screws and screw-holes from any grease before applying the loctite. ENGINE DRY TEST: Please consider that the dry test of the engine MUST NOT be done while the VARIPROP is fitted onto the shaft!
- Page 3 The spacer discs are delivered with the prop. Secure the propeller nut (1) with the hexagonal socket cap screw ( 2 ( M8x45 DF-80 / M8x60 DF-107 / 15Nm / 10ft/lb) and two lock pins (3). Hand tighten only, and then mount the zinc cone ( see below ). Make sure that the propeller is always protected from electrolytic corrosion by changing the zinc anode (2) latest every year, less often in fresh water.
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Page 4: Operation
We recommend the replacement of the anode once a year. If you want to protect your VARIPROP with Antifouling, use only Antifouling which needs a primer first. Otherwise chemical interaction and decomposition could occur. Our recommendation is Velox TF plus including a primer ( offers also protection against electrolyses ), available from your VARIPROP distributor. - Page 5 PITCH ADJUSTMENT „LH“ GERNAL: The pitch adjustment is very simple on the VARIPROP, and can be done in or out of the water in a matter of few minutes, if there is enough space between propeller hub and strut to fit an allen key into the set screws (1) &...
- Page 6 PITCH ADJUSTMENT „RH“ GERNAL: The pitch adjustment is very simple on the VARIPROP, and can be done in or out of the water in a matter of few minutes, if there is enough space between propeller hub and strut to fit an Allen key into the set screws (1) &...
- Page 7 Defining and checking pitch adjustments It is quite possible to set the pitch continuously variable and independently for forward and reverse. The turning of the adjusting screws (2) & (4) in Figure 2 & 3a ( see pages 5&6 ) by half a revolution changes the pitch approx.
- Page 8 It would dismantle the two separate halves of the VARIPROP hub !!! 4.) Now turn the hexagonal head bolt (9) against the end of shaft until the VARIPROP comes off the taper. Do not use excessive force to turn bolt (9). If prop does not come off, proceed to page 9 –...
- Page 9 Take care that plate (6) will fit snugly and evenly to the aft boss. 5.) Now turn the hexagon head bolt (9) against the end of shaft until the VARIPROP comes off the taper. Never use a hammer to remove the prop from the taper !!! 6.) At the end remove the puller (6) carefully and secure the boss halves (10) with the socket screws...
- Page 10 This “heavy” turning at the absorber area is normal and necessary for the function ! Make sure that you always keep the zinc anode in good condition. The VARIPROP must be protected by a lot of zinc, so also use a zinc anode onto the shaft if possible. Use fine sandpaper to clean the aft of the end boss and the forward face of the VARIPROP-anode to give the zinc good contact with the propeller.
- Page 11 Torque settings for the prop-nut ( page 2, Fig.1, part-no.4 ) Standard – thread Fine – thread M 14 x 2 M 14 x 1,5 UNC 1/2 “-13 40 Nm / 30 ft/lb BSF 1/2 “- 16 40 Nm / 30 ft/lb M 16 x 2 M 16 x 1,5 BSW 5 / 8 “...