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Formular-Nr.:71   Rev.-Nr.:07   03/18      

-9- 

SERVICING 

 
 

The VARIPROP needs to be greased up a minimum of every 2 – 3 years, depending on the engine hours 
run, or whenever the boat is hauled. The VARIPROP body should always be completely filled with a high 
viscosity 

grease

 of a hydrophobic nature. Remove the cap screw 

(5) 

and screw in the lubricating nipple 

which is supplied with the tools. Remove the “grease out“ screw 

(6)

. During filling with grease rotate the 

propeller from forward stop to reverse stop to allow the grease to work through the propeller. Stop to pump 
when grease comes out at the opened “grease out “ port. 
 
 

 
 
 
 

 
 
 

Factory supplied special grease EP/SAL is recommended and available from your VARIPROP distributor.  

Avoid regular white grease  (sterntube-grease ) !  
 
 
Shock-absorber:

 The integrated hydraulic shock-absorber reduces unpleasant operating noises. The pitch 

stops are substantially protected against wear. At rotating the blades by hand, you can feel the shock-
absorber function. This “heavy” turning at the absorber area is normal and necessary for the function !  
 

Zinc anode:

 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. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Cap - screw  

Stop greasing if grease 
comes out here! 

      Tools supplied with your VARIPROP DF-160: 

 

 

lubrication nipple

1x Manual  
1x puller system 
1x allen key 3mm 
1x allen key 4mm 
1x allen key 6mm 
1x allen key 8mm 
1x grease nipple G1/4” 
1x small plastic bottle  
with Loctite low (pink) 

6

5

Summary of Contents for DF-160

Page 1: ...0 Installation on the shaft page 2 Operation page 4 Pitch adjustment LH left hand rotation propeller page 5 Pitch adjustment RH right hand rotation propeller page 6 Defining and checking adjustments page 7 Removing from the shaft page 8 Servicing page 9 Torque settings prop nut page 10 ...

Page 2: ...ing the VARIPROP onto the shaft check key and keyway in the propeller hub Take care that the key is the proper dimension and that the hub slides completely onto the shaft see below Also check the nut on thread of the shaft before fitting the prop If you can not screw the nut the complete length of the thread because of a little damage to the thread carefully use a triangle file to bring it down to...

Page 3: ...ng cap screws 1 also page 8 loosely then tighten securely in succession Use LOCTITE low pink and observe the little washers ENGINE DRY TEST Please consider that a dry test of the engine MUST NOT be done while the VARIPROP is fitted onto the shaft The VARIPROP needs water pressure on the blades otherwise the prop could be damaged ...

Page 4: ...haft lock to ensure the propeller feathers and stays in sailing position TROUBLE SHOOTING If the propeller does not work in forward or reverse go systematically through the points below Check low idle of the engine It should be 800 to 900 rpm in idle Check shifting movement of the transmission lever Make sure that the shifting travel is not too short The amount of lever travel as measured at the p...

Page 5: ...pplied with the prop type key supplied with the prop 2 Turn the adjusting screw 2 which is marked as 2 Turn the adjusting screw 4 which is marked as AH or V with the 8mm Allen key as follows AS or R with the 8mm Allen key as follows 2a Increasing of pitch approx 3 max 2a Increasing of pitch approx 2 max Turn the adjusting screw 2 clockwise Turn the adjusting screw 4 anti clockwise see NOTE above a...

Page 6: ... with the prop type key supplied with the prop 2 Turn the adjusting screw 2 which is marked as 2 Turn the adjusting screw 4 which is marked as AH or V with the 8mm Allen key as follows AS or R with the 8mm Allen key as follows 2a Increasing of pitch approx 3 max 2a Increasing of pitch approx 2 max Turn the adjusting screw 2 clockwise Turn the adjusting screw 4 anti clockwise see NOTE above and pag...

Page 7: ... housing cap To return to original factory pitch settings line up AH or V resp AS or R markings on the hub face Example check adjustments ahead inner marking has moved original factory pitch setting pitch has been increased ahead ahead check adjustments astern inner marking has moved original factory pitch setting pitch has been decreased astern astern NOTE If the engine does not reach the desired...

Page 8: ...node 2 Remove both lock pins 3 and the prop nut 4 see page 2 3 Screw the puller nut completely into the hub 4 Now screw the hexagonal head bolt into the nut and turn the bolt against the shaft until the VARIPROP comes off the taper Never use a hammer to remove the prop from the taper NOTE Never dismantle the VARIPROP yourselves Disassembly and reassembly require special tools and technical know ho...

Page 9: ...grease sterntube grease Shock absorber The integrated hydraulic shock absorber reduces unpleasant operating noises The pitch stops are substantially protected against wear At rotating the blades by hand you can feel the shock absorber function This heavy turning at the absorber area is normal and necessary for the function Zinc anode Make sure that you always keep the zinc anode in good condition ...

Page 10: ...5 ft lb UNC 3 4 10 M 24 x 3 BSW 1 8 210 Nm 155 ft lb UNC 1 8 M 20 x 1 5 BSF 3 4 12 135 Nm 100 ft lb UNC 3 4 16 M 24 x 2 BSF 1 10 225 Nm 165 ft lb UNF 1 12 M 30 x 3 5 BSW 1 1 8 7 350 Nm 255 ft lb UNC 1 1 8 7 UNC 7 8 9 160 Nm 115 ft lb M 27 x 3 315 Nm 230 ft lb M 30 x 2 430 Nm 315 ft lb M 36 x 3 490 Nm 360 ft lb M 42 x 3 530 Nm 390 ft lb UNC 1 1 2 6 390 Nm 290 ft lb BSW 1 1 4 7 UNC 1 7 350 Nm 255 ft...

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