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This page gives information which may be useful to any Bukh
DV20 owner. The spares are entered in relation to when they were purchased so the cost may
not reflect todays prices. The ~ indicates approximate cost. For list of
distributors world wide visit the Bukh web site at www.bukh.dk
The engine mechanical information is something I can never lay my hands on so, being
here I can always lay my eyes on it.
Filters
Engine anode
Spares
Valve Adjustments
Flywheel Bolt Torque
Fuel Pump Filter Cleaning
Volvo Prop Shaft Seal (Every Launch)
Oil filter same as used for Ford Escort:
Ford AP1011
Halfords HOF200
Champion C104
Fram PH966B
Fuel: primary fuel filter:
The original filter replaced with CAV oil filter/water separator.
When fitting the filter housing ensure that the fittings are compatible
with the thread of the housing and input/output pipework. The cost of
the housing complete with filter ~�50.00 sterling. The glass bowl
should be inspected at regular intervals for signs of fuel contaminants
and the filter should be changed annually.
Filter element: Lucas 7111
296 |
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Fuel: Engine fuel filter
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The engine fuel filter is mounted at the rear of the bukh
engine. A drain plug is situated on the bottom of the filter and a bleed
screw is positioned on the filter housing, marked here in yellow. Drain
a small amount of fuel into a clean receptacle if there is any doubt
about fuel contamination. The filter requires changing infrequently if a
good primary filter is used or at five year intervals if no fuel
problems have occurred. Pt Number Bukh 610 D 0201 �18.22 |
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| The engine has a pencil anode fitted in a plug which is
situated on the rear of the engine. This is to be replaced at least
annually - cost ~�7.00 |
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| Item |
Manufacturer |
Part number |
Supplier |
~� Cost |
| Starter |
Paris-Rhone |
612A1650 |
Bukh (UK) |
�800 or recon �400 |
| |
Bosh |
612A1600 |
Bukh (UK) |
�800 or recon �400 |
| |
Valeo |
D9E 51 12V |
Partco |
�205 Part exch |
| Alternator |
Paris-Rhone |
A13N 1M 14V 50A |
Bukh (UK) |
|
| 'V' Drive Belt |
|
10 x 1100 |
APAS Engineering. |
��8.81 |
| Alternator Regulator |
Paris-Rhone |
YL135 15 84 |
Bukh (UK) |
|
Oil Pressure s/w
0.8kg/cm2 (11-12psi) 1/8" BSPT |
|
|
Les Smith |
~�3.85 |
| Water Pump |
Johnson Pumps |
10-35157-3 |
Aquafax |
~�54.00 |
| Water Pump Service Kit |
Johnson Pumps |
F35B-8 |
Aquafax |
~�12.00 ex VAT |
| Water Pump 'O' Ring |
|
32.1x1.6mm |
Aquafax |
�1.44 ex VAT |
| Water Pump Lip Seal |
|
05-29-139 x 2 |
Aquafax |
�5.26 inc VAT |
| Engine Fuel Filter |
Bukh |
610 D 0201 |
APAS Engineering |
�18.22 |
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| Inlet Valve: |
0.25mm |
0.01inch |
| Outlet Valve: |
0.30mm |
0.012inch |
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On refitting of flywheel, the 'unbraco' bolts should be clean and dry. The threads must
have Loctite applied before assembly. Tighten the bolts to a torque of:
8 - 8.5 kgm
58 - 61.5 ft/lbf
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Symptom: Engine hunts or splutters eventually stopping and then maybe
starting again for a short period. Pump is situated at right hand side of
engine. The pump includes a fuel filter which may require cleaning. To do this
carefully unscrew the screws attaching the pump cover. CAREFUL! The spring may jump up.
The filter may now be cleaned and replaced.
Re-assemble in reverse order ensuring that the spring is fitted correctly. (See
workshop manual).
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| When the boat is taken out of the water, the
water runs out of the stern tube. At the next launch there will be air in
the tube which will prevent water from reaching the rubber 'Volvo' seal
(Part number: 828254 for 25mm shaft). |
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Vent seal as follows:
The prop shaft seal, which is water cooled, must be vented after launching by
compressing it at the lip seal at the same time as it is pressed toward the prop
shaft. When water forces its way out of the gap the seal is vented.
Volvo Seal Greasing
Press approximately 1cubic cm of waterproof grease into the lips of the seal
at every launch and every 200 hours of operation or annually.
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This page was last updated on
Wednesday, November 24, 2010 13:18
by Richard Spencer. | 
