TYPE DESMI-TARANTULA

OPERATORS MANUAL
DESMI VERTICAL ARCHIMEDES' SCREW SKIMMER
TYPE DESMI-TARANTULA
(Parts list no. 020682575/80)
Original Instructions
RO-CLEAN DESMI A/S Hestehaven 61 - DK-5260 Odense S Denmark
Tel. (+45) 65910201, Telefax (+45) 65481615
CVR-NR. 69 04 29 10
http://www.ro-cleandesmi.com

Safety precaution when working with oil skimmer systems
- Carefully read this manual before connecting or starting the machines. Notice that it may not be possible
to study the manual during operation of the machinery.
- Only connect skimmers and winders with power packs they have been delivered with or which have been
approved on beforehand by Ro-Clean Desmi.
- Do not start combustion engines in closed or badly ventilated rooms or if there is a danger of hazardous
atmospheres. Avoid breathing in of exhaust fumes.
- The machines are not ATEX approved and must not be used in explosive atmospheres.
- Only lift machines in for this purpose made lifting devices such as fork lift channels, lifting eyes or lifting
handles.
- Stop engines and disconnect battery terminals and hydraulic hoses before maintaining the equipment.
- Stop all engines before connecting or disconnecting hydraulic hoses.
- Before starting the machine, make sure that nobody is in the danger area (moving parts on engine or
machinery), that all safety guards are in place and that the operator has a clear view of the working area
including personnel and machines connected to the power pack.
- Never use any spray starting aids.
- Keep all advice and warning stickers in legible condition.
- When stored or in operation on a ship secure all equipment safely to the deck.
- Operators must frequently train in the use of power pack / oil skimmer / Oil containment boom systems in
order to work safely with these systems.
- Observe the hydraulic oil level and temperature frequently during operation.
- Stand in front of the control panel and keep safety distance to the sides of the power pack during
operation. Do not lean against the machine as this may vibrate and the engine, exhaust pipe and fumes
can be very hot.
- Never use power packs with detent control levers for powering boom winders.
- Always use ear protectors when operating power packs or hydraulic motors.
- Use safety gloves, safety shoes, and clothes during operation or maintenance.
- Sucking in of solid particles by air blower should at all times be avoided as these may be ejected from the
discharge flange at high speed and cause injury.
- During operation all personnel must pay attention to the danger of falling due to oily surfaces and hoses
between power packs and connected machinery.
- During deployment of skimmers the personnel must pay attention to the danger of skimmers and hoses
being caught by moving/rotating element such as ships and ship screws.
- Keep a safety distance to skimmers of minimum 1,4 meter.
- The sound pressure level of skimmers in water or oil does not exceed 70 dB(A)
- When operating skimmers on land the safety area must be marked by barrier tape in a height of 1,0 meter
and at least 1,4 meter from the skimmer.
- When testing skimmers on land make sure that these are grounded to avoid sparks from static electricity.
NOTE: Refer to user manuals for ancillary equipment.

TYPE:
Type of the pump
CODE:
NO.:
WK.:
Fitter’s I.D. and parts list No.
Serial No.
Manufacturing week/year
MANUFACTURED BY: DESMI A/S
DK-9400 Norresundby
Phone +45 96 32 81 11
Telefax +45 98 17 54 99
WARNING !
This equipment can be dangerous if the safety precautions in this manual are
not being followed.
Do not use the equipment without being familiar with the safety precautions in
this manual. The customer is responsible for accidents caused by the
equipment, if the safety instructions are not being followed.
WARNING !
Keep away from the rotating pump screw and cutting knives. The pump
screw/cutting knives are designed for cutting debris normally found at oil spill
sites and will also cut off fingers and other limbs.
WARNING !
Always keep a safety distance to the skimmer/pump of minimum 2 m/7 ft. when
the skimmer/pump is connected to the hydraulic power supply. Do not connect
the hydraulic hoses to the power supply until you are ready for operation.

C O N T E N T S
1.0 IN GENERAL
2.0 TRANSPORTATION AND MOUNTING
2.1 Transportation of the skimmer
2.2 Mounting
3.0 RESPONSE TACTICS
3.1 General remarks
3.2 Oil spills at sea
4.0 OPERATION OF THE DESMI-TARANTULA SKIMMER
4.1 Operation principle
4.2 Before operation
4.3 Operation
4.4 Recovery after operation
5.0 INSPECTION AFTER OPERATION AND PREVENTATIVE MAINTENANCE
5.1 Clean the DESMI-TARANTULA skimmer
5.2 Inspection of the DOP-250 pump
5.3 Protection of the DESMI-TARANTULA skimmer
5.4 Preventative maintenance of the DESMI-TARANTULA flotation system
6.0 TROUBLESHOOTING
7.0 TECHNICAL SPECIFCATIONS FOR DESMI SKIMMER TYPE DESMI-TARANTULA
7.1 Parts list 682575 for Tarantula
7.2 Parts list 682580 for Tarantula with thrusters
8.0 DRAWINGS
7.1 Assembly drawing no. 481741 for Tarantula
7.2 Assembly drawing no. 481743 for Tarantula with thrusters
9.0 THRUSTERS - PART NO. 682178
9.1 Parts list 682178
9.2 Drawing 481577

1.0 IN GENERAL
The DESMI-TARANTULA combination skimmer system is the new generation of
DESMI’s vertical Archimedes’ screw skimmers.
The DESMI-TARANTULA combination skimmer is a high capacity light-weight ocean
skimmer which skims 250 m3/h with up to 200 mm automatic weir lip adjustment. It
works efficiently in waves heights up to 3 metres.
The skimmer combination skimmer system consists of a WEIR skimmer, a BRUSH
DRUM skimmer and a DISC skimmer which means that the skimmer is very
efficiency in all kinds of oil spills.
It is very easy to change between the different type of skimmers.
The use of only a few parts makes it a simple skimmer, easy to assemble and easy
to maintain, resulting in low weight and high buoyancy/seaworthiness.
Using two DESMI modified positive displacement Archimedes' screw pumps in
vertical design, type DOP-250, the DESMI-TARANTULA combination skimmer is
able to efficiently recover light as well as heavy oil, also when mixed with debris
normally found in connection with oil spills.
The skimmer is fitted with a flotation system to provide the necessary buoyancy.
Hydraulic power to the skimmer pumps is supplied through hydraulic hoses
connected to the power supply or remote control box. A discharge hose connects the
skimmer to the storage tank.
The hoses will not affect the buoyancy of the skimmer as they are equipped with their
own floats.
The DESMI-TARANTULA skimmer is designed as an advancing skimmer to operate
in conjunction with a floating containment boom. Do not start the skimmer pump
before a sufficient oil layer is collected (DESMI recommends a minimum of 2 cm
(3/4”)). The recovery efficiency may vary from 50 to 100% subject to oil quantity (oil
layer thickness), oil viscosity, boom make, wave conditions, towing speed, and
maybe most important: The operator’s skill!
As an option the DESMI-TARANTULA skimmer is provided with two thrusters to
secure the best recovery position in the floating containment boom. The thrusters are
hydraulically driven and controlled from the remote control box.
WARNING!
This equipment is designed to cope with debris normally found in an oil spill, and
can be dangerous if the safety precautions in this manual are not followed. Do
not use the equipment without being familiar with the safety instructions. The
customer is responsible for accidents caused by the equipment, if the safety
instructions in this manual are not being followed.

2.0 TRANSPORTATION AND MOUNTING
2.1 Transportation of the skimmer
The DESMI-TARANTULA skimmer is equipped with a lifting eye for transportation of
the assembled skimmer or for transportation of the pump section alone (see drawing
no. 481741/43).
CAUTION!
Do not lift the skimmer in other parts than the lifting device or the carrying
handles!
Weight:
Total: 550 kg
2.2 Mounting (See drawing 481741/43)
A. Remove from the container (OPTION) the pump section incl. hopper with weir
lip and the four float pipes with the floats and the two thrusters.
B. Snap on the float pipes with the floats to the pump section and be sure that the
pipes are locked.
C. Be sure that the drain hoses from the two DOP-250 pumps are connected to
the drain couplings behind the coupling manifold
.
WARNING!
Always keep a safety distance to the skimmer/pump of minimum 2 m/7 ft.
when the skimmer/pump is connected to the hydraulic power supply. Do
not connect the hydraulic hoses to the power supply until you are ready for
operation.

3.0 RESPONSE TACTICS
3.1. General remarks
It is very difficult to generalise when discussing oil spill situations. Each spill has its
own set of characteristics: Location, close to shore or far off shore, environmental
sensitivity, shallow or deep water, waves, current, wind speed and direction,
temperature, size of spill, type of oil, time after spill, debris, etc.
However, there are common factors that influence how successful the clean-up
operation will be, and they should all be incorporated in an appropriate contingency
plan:
Availability and capability of equipment (ships, skimmer systems, booms, pumps,
storage tanks etc.) and maintenance of the same
Availability of manpower, well trained/not trained
What to protect first of all
Communication
Information
Surveillance
Command
Strategy/planning
Etc.
Regarding the equipment described in this manual, the most important common
factors for success are:
Maintenance and
Training
NOTE!
Training again and again is the only way to be sure to realise the full
capacity of your DESMI-TARANTULA skimmer system. It is also critical to
ensure proper preventative and corrective maintenance as described in this
manual.
3.2. Oil spills at sea
An overflow weir skimmer should always be within sight of the operator. The closer
the operator is to the skimmer, the better the control and recovery efficiency.

For best manoeuvrability use the skimmer(s) in a single or
double sweep configuration with the skimmer(s) in the
apex of the ship’s side sweep boom(s). For larger oil spills
the configuration may be combined with “J” sweep(s) (Fig.
3) which will feed oil into the system from a wider area.
Use for instance towable storage bladders for storage.
WIND WindDIRECTION
direction
As the ship moves forward through the water, the side
sweeping booms concentrate the oil as the surface area
within the sweep is reduced. This naturally increases the
thickness of the oil layer. It is important that the ship
maintains a constant speed of approximately 0.75 knots
with most boom systems.
Move through the slick and allow the oil layer to build up
in the apex of the boom before starting the skimmer
pump. We recommend an oil layer of at least 2 cm
(3/4”) or more for best efficiency.
Fig. 3 - J-configuration
Try to minimise the total time that the oil is within the
collection area before being skimmed in order to reduce
the risk of oil escaping under the boom. If in doubt, it is always better to start
skimming too early than too late. Any excess water is not a serious problem since the
DOP-250 skimmer pumps do not emulsify the oil and water. The free water can
easily be decanted from the storage tank or collapsible barge and pumped out in
front of the collection sweep.
Debris is a universal problem in almost all oil spill situations. However, the cutting
knife on the inlet of the DESMI DOP-250 pumps will handle a lot of the debris
normally found at a spill site: Seaweed, kelp, plastic bags, aluminium cans, bottles,
dead birds, rope (up to 1/2”), wood (up to 1” pine dowel), etc.
Larger debris, such a lumber, tree trunks, large branches, dead animals, etc. must be
manhandled in most situations. One way is to pull it away from the skimmer after it
enters the sweep. The best way is to deflect the bigger debris before it enters the
containment boom. Various techniques exist such as having personnel located in a
boat in front of the sweep, using rakes to pull away the debris.
Deflecting debris may cause deflection of some oil as well. This is, however, far
better than loosing all the oil contained in the boom due to damage or other
complications caused by, for instance, a large tree branch.

4.0 OPERATION OF THE DESMI-TARANTULA WEIR SKIMMER
WARNING!
WHEN OPERATING: A safety distance to the skimmer/pump of minimum 2 m/7
ft. must be observed by all personnel when the skimmer/pump is connected to
the hydraulic power supply. Also when the skimmer/pump is not running.
4.1 Operation principle (see drawing no. 481741/43)
The DESMI-TARANTULA is an overflow weir type skimmer. It consists of the pump
section, the four floats with connecting tubes and the hopper with the weir lip. The
weir lip consists of a membrane with a ring-shaped float floating inside the hopper.
On land the ring float on the weir lip will be in its lowest position due to the empty
hopper. When the skimmer is being deployed the oil starts flowing over the weir lip
and into the hopper. The ring float will begin floating on the oil in the hopper. The
buoyancy will lift up the ring float, until the oil stops entering the hopper.
As soon as the pumps start pumping (causing a lower oil level in the hopper), the ring
will automatically adjust its vertical position downwards, allowing more oil to enter the
hopper.
At low pump RPM the ring float will float high inside the hopper, allowing only little oil
to enter the skimmer. At higher RPM the pumps will remove the oil under the ring
float, the float will thus obtain a lower position and more oil will enter the skimmer.
The weir lip will automatically adjust its weir lip to the most optimal position at any
recovery rate.
Besides the up/down movement the weir lip is able to float independently of the
skimmer due to its extremely low inertia mass, and the very flexible connection to the
skimmer. This enables the ring float to keep its weir lip parallel to the oil/water
interface even in small swells which the skimmer is not able to follow.

4.2 Before operation
WARNING !
Keep away from the rotating pump screw and cutting knife. The pump
screw/cutting knives are designed for cutting debris normally found at oil spill
sites and will also cut off fingers and other limbs.
WARNING !
Always keep a safety distance to the pump of minimum 2 m/7 ft. when the
pump is connected to the hydraulic power supply. Do not connect the
hydraulic hoses to the power supply until you are ready for operation.
A. Operate the hydraulic power supply of the skimmer according to the operator’s
manual delivered by the supplier of the hydraulic power source.
B. Hose connections
1. Connect the hydraulic hose set from power source to the remote control box.
Connect the 10 m hydraulic hose set from the remote control box to the
hydraulic manifold on the hose reel.
2. Connect the hydraulic hoses from the hose reel to the quick couplings on the
manifold on skimmer.
3. Connect the discharge hose to the skimmer discharge flange.
4. Check that the locking devices on the hydraulic quick couplings are locked.
5. The hydraulic drain line must always be used.
6. Operate the skimmer pumps DOP1 and DOP2 forward and reverse at low rpm
to check rotation and that the pumps are working properly.
7. Operate the thrusters forward and reverse to check that the thrusters are
working properly.
8. Launch the skimmer by means of the crane
9. When deployed release the skimmer from the crane.
10. After deployment of the skimmer and hoses connect the discharge hose to oil
recovery tank.
CAUTION!
The pump should never run dry for more than a few seconds. Observe the
safety distance of 2 m/7 ft.!

4.3 Operation
WARNING !
A safety distance to the skimmer/pump of minimum 2 m/7 ft. must be
observed by all personnel when the skimmer/pump is connected to the
hydraulic power supply. Also when the skimmer/pump is not running.
NOTE!
When pumping non-oily media (e.g. water during a training session), grease
the plate wheel bearings every 8 hours of operation, using the grease nipple
on the plate wheel shaft of the DOP-250 pumps.
A. Place the skimmer by using the thrusters in the apex
of the boom.
The best recovery rate and efficiency are obtained
when the skimmer is used in conjunction with an oil
boom equipped with a U or V pocket at the apex (Fig.
5). This enables the boom to concentrate even minor
oil spills thus getting a thicker oil layer and more
efficient skimming. Do not start the skimmer pump
before a sufficient oil layer has been collected. DESMI
recommends an oil layer of at least 2 cm (3/4”) or
more for the best efficiency.
B. As soon as the oil layer has reached a minimum of 2
Fig. 5 - U-formation with V-apex
cm (3/4”) start the skimmer pump at low speed and
increase pump speed gradually while monitoring the oil coming out of the
discharge hose. Increase pump speed until too much water is coming with the oil
out of the discharge hose, then decrease a little.
If it is not possible to monitor the discharge hose adjust the pump speed so that
the collected oil layer in the apex of the boom stays over 2 cm (3/4”).
C. If the skimmer pump stops due to excessive debris/solids, simply reverse the
pump to expel the blockage. Then restart the skimming operation.
WARNING !
If it is necessary to remove debris from the skimmer by hand, stop the
skimming operation and disconnect the hydraulic hoses at the hydraulic
power supply. For safety reasons always keep a distance to the skimmer of
min. 2 m/7 ft. when the skimmer is connected to the hydraulic power supply.

Off-loading with the DOP-250 skimmer pump dismantled from the floats is
described in the DOP Pump manual.
4.4 Recovery after operation
WARNING !
Always keep a safety distance to the pump of minimum 2 m/7 ft. when the
pump is connected to the hydraulic power supply.
CAUTION !
Take care that the discharge hose is not being sucked into the pump as this
will result in severe damage to the hose.
A. The contents of the discharge hose may be evacuated by reversing one of the
skimmer pumps at low rpm.
B. Start the recovery of the skimmer by reversing the hose reel. If necessary use the
thrusters to place the skimmer in optimal position for recovery.
C. If there is still any contents in the discharge hose while rewinding evacuate by
reversing one of the skimmer pumps at low rpm.
D. When the skimmer is in position close to the crane lift the skimmer from the water
and on board the vessel.
E. Follow the instructions in section 5.

5.0 INSPECTION AFTER OPERATION
AND PREVENTATIVE MAINTENANCE
NOTE !
See DOP Pump manual for preventative and corrective maintenance.
5.1. Clean the DESMI-TARANTULA skimmer
WARNING !
Keep away from the rotating pump screw and cutting knives. The pump
screw/cutting knives are designed for cutting debris normally found at oil spill
sites and will also cut off fingers and other limbs.
Always keep a safety distance to the pump of minimum 2 m/7 ft. when the
pump is connected to the hydraulic power supply.
A. After the skimmer has been recovered connect the hydraulic hoses to the power
supply and empty the DOP-250 pumps of oil and water. Disconnect the hydraulic
hoses again and clean the complete skimmer with a solvent consistent with the
medium skimmed.
CAUTION !
Do not use caustic cleaning solutions as this may damage aluminium parts.
B. Wash the skimmer and thrusters with FRESH water. Connect the hydraulic hoses
to the power supply and flush the DOP-250 pumps with fresh water letting the
pump run slowly.
C. Disconnect the hydraulic hoses and clean carefully all hydraulic quick couplings
as well as the discharge coupling. Check for leaks and tighten up if necessary.
5.2 Inspection of the DOP-250 pump
A. Snap off the float pipes with the floats from the pump section by pulling the eyes
on the locking devices.
B. Disconnect the hydraulic hoses incl. quick couplings from the manifold on
skimmer foot. Dismantle the skimmer foot and unscrew the hopper part from the
pumps. The pumps are now ready for inspection after operation according to the
pump manual.

5.3 Protection of the DESMI-TARANTULA skimmer
A. After inspection of the pumps: Reassemble the pumps on the hopper flange and
mount the foot on the pumps.
B. Lubricate all quick couplings using anti-corrosion oil and fit the dust caps and
dust plugs on all couplings.
C. Store the skimmer in a dry place free of dust. The skimmer should be wrapped in
plastic or by other means protected from a dusty environment when not in use.
D. Protect the skimmer against sunlight. The bellows on the weir lip may be
damaged after long time exposure to sunlight.
5.4. Preventative maintenance of DESMI-TARANTULA floatation system
A. Very little effort is necessary to keep the floatation system in the necessary state
of readiness that is required for all oil spill recovery equipment. Follow the
directions given in Section 5.1.
B. Inspect all surfaces for possible damage due to collision with for instance the
recovery vessel. Check the floats and float tubes for leaks. (Water in the float or
tube will indicate a leak). The floats are made of oil resistant polyethylene plastic
which is almost shockproof, but nevertheless damage is possible. If a leak is
detected contact your local RO-CLEAN DESMI representative for repair.
C. Check the O-sealing rings in the hydraulic quick couplings. Replace them if they
look worn out. Keep the couplings clean. Dirt may affect the functioning of the
couplings and the hydraulic system. Always use dust caps and dust plugs.
D. Check the lifting device. It must be safely secured to the hopper.
E. Check the locking devices that lock the float pipes to the pump.
F. Check that the bellows on the weir lip is in good condition. Protect the weir lip
against sunlight during storage.

6.0 TROUBLESHOOTING
NOTE !
For troubleshooting of the pump refer to the pump manual section 6.0.
Problem
The weir lip will not
adjust properly
The skimmer recover
too much water
Oil will not flow into the
hopper
Probable cause
Water too shallow
Viscosity of oil is
extremely high and oil
layer is very thick
Too small oil layer
Pumping is too fast
compared to the
available amount of oil
Debris prevents the oil
from entering the
hopper
The oil is very waxy.
Behaves like ice flakes
Action
Move to deeper water, or if on
the shore line:
Dig a hole under the skimmer
Dismantle the DOP-250 pump
from the floats and use it fully
submerged
Stop skimming. Collect and
concentrate more oil in the
apex of the boom before
restarting
Slow down pump RPM, see
just above.
Check for leaks in the WLA
Use the thrusters to secure
the most effective recovery
position in the floating
containment boom
Clear away debris
Help feeding the skimmer
using rakes etc. and
concentrate more oil for the
skimmer to work in

7.0 TECHNICAL SPECIFICATIONS FOR DESMI SKIMMER
TYPE DESMI-TARANTULA
Dimensions:
Draft:
Weight (dry):
Length:
Width:
Height:
850 mm
550 kg
2950 mm
2950 mm
1690 mm
Skimmer pump:
Max. recovery rate:
Max. pressure:
2 pcs. DOP-250 vertical positive displacement
Archimedes’ screw type. For details see DOP-250
pump manual
250 m 3 /h at 1 bar
10 bar
Materials: DOP-250 pump: See DOP-250 pump
manual
Floats, hopper and
floating collar:
Bellows:
Float pipes:
Other parts:
Oil resistant polyethylene
plastic (PE-HD)
Chemically resistant PVC
Stainless steel
Stainless steel and
seawater resistant
aluminium
Coating: Pump: Primer/company paint

7.1 Parts list 682575 for Tarantula
Drawing Number 481741
Pos. Item No. Description Qty.
01 681473 DESMI DOP/250 - Dual pump 2
02 184095 Foot 1
05 183771 Floating pipe 4
06 184135 Spacer 4
07 184620 Adapter flange 1
08 681987 Hopper 1
09 181688 Bellows 1
10 181844 Fastening rail 12
11 181848 Ring for bellows 2
12 181670 Inlet float ring 1
13 183769 Float 4
14 183629 Top cover for float 4
15 183576 Discharge manifold 1
16 681984 Lifting device 1
19 181946 6“ discharge flange 1
20 703732 CH-screw M8x 25 A4 16
20 704066 Washer M8 A4 16
21 184622 Coupling panel 1
22 183869 Distance pipe 8
22 183870 Protection grid 2
22 704066 Washer M8 8
22 705255 Hex screw M8x 35 A4 8
23 703376 Hex screw M16x 50 A4 6
23 704033 Washer M16 12
23 710380 Locking Nut M16 6
27 704012 Washer M10 8
28 703232 Locking Nut M12 2
28 704067 Washer M12 4
28 705257 Hex screw M12x 45 A4 2
29 182258 Pin ø10x50 8
30 712392 Locking pin 8
32 703232 Locking Nut M12 4
32 704067 Washer M12 8
32 705257 Hex screw M12x 45 A4 4
33 704033 Washer M16 24
33 708676 Hex screw M16x 65 A4 12
33 710380 Locking Nut M16 12
41 184360 Gasket for hopper 1
42 183867 Gasket for DOP-250 pump 2
44 705184 Dust plug 1” TEMA 2
44 711365 Quick coupling 1" TEMA female 2

Pos. Item No. Description Qty.
44 705455 Dust cap 1” TEMA 2
44 711430 Bonded seal 1" 4
47 713468 Ball valve 1
48 708139 Plug 3/8” 2
55 183874 Coupling adapter 1
56 711357 Quick coupling 3/8” TEMA male 1
56 711356 Quick coupling 3/8” TEMA female 2
56 703619 Dust cap 3/8” TEMA 1
56 711439 Bonded seal 3/8" 1
59 711871 Hydr.hose 3/8” length 550mm 1
62 703330 Nipple 3/8” BSP 3
63 704389 Washer M6 84
63 706893 Locking Nut M6 84
63 708996 BH-screw M6 x 2 A4 84
68 710611 Rubber fender 5m
80 181348 Bulk head 1” x ¾” 4
80 705989 Counter nut ¾” BSP 4
94 705187 Bulk head 3/8” 1
104 703641 Nipple 3/4” BSP 4
108 703330 Nipple 3/8” BSP 4
109 703331 Socket 3/8” BSP 2
110 705113 Check valve 5 bar 1
111 705115 Fitting GE12LR-1/4” 1
117 703636 Bonded seal 3/4" 4
120 703650 Bonded seal 3/8" 2
121 703637 Bonded seal 1” 4
124 706434 Drain pipe ø12x1 1

7.2 Parts list 682580 for Tarantula with thrusters
Drawing Number 481743
Pos. Item No. Description Qty.
01 681473 DESMI DOP/250 - Dual pump 2
02 184095 Foot 1
05 183771 Floating pipe 4
06 184135 Spacer 4
07 184620 Adapter flange 1
08 681987 Hopper 1
09 181688 Bellows 1
10 181844 Fastening rail 12
11 181848 Ring for bellows 2
12 181670 Inlet float ring 1
13 183769 Float 4
14 183629 Top cover for float 4
15 183576 Discharge manifold 1
16 681984 Lifting device 1
19 181946 6“ discharge flange 1
20 703732 CH-screw M8x 25 A4 16
20 704066 Washer M8 A4 16
21 184622 Coupling panel 1
22 183869 Distance pipe 8
22 183870 Protection grid 2
22 704066 Washer M8 8
22 705255 Hex screw M8x 35 A4 8
23 703376 Hex screw M16x 50 A4 6
23 704033 Washer M16 12
23 710380 Locking Nut M16 6
27 704033 Washer M16 4
27 760225 Hex screw M16x 35 A4 4
28 703232 Locking Nut M12 2
28 704067 Washer M12 4
28 705257 Hex screw M12x 45 A4 2
29 182258 Pin ø10x50 8
30 712392 Locking pin 8
31 682178 Thrusters 2
32 703232 Locking Nut M12 4
32 704067 Washer M12 8
32 705257 Hex screw M12x 45 A4 4
33 704033 Washer M16 24
33 708676 Hex screw M16x 65 A4 12
33 710380 Locking Nut M16 12
40 711356 Quick coupling 3/8” TEMA female 2
41 184360 Gasket for hopper 1

Pos. Item No. Description Qty.
42 183867 Gasket for DOP-250 pump 2
44 705184 Dust plug 1” TEMA 2
44 711365 Quick coupling 1" TEMA female 2
44 705455 Dust cap 1” TEMA 2
44 711430 Bonded seal 1" 4
47 713468 Ball valve 1
48 708139 Plug 3/8” 2
55 183874 Coupling adapter 1
46 711366 Quick coupling 1” TEMA male 2
56 711357 Quick coupling 3/8” TEMA male 1
56 711356 Quick coupling 3/8” TEMA female 2
56 703619 Dust cap 3/8” TEMA 1
56 711439 Bonded seal 3/8" 1
62 703330 Nipple 3/8” BSP 3
63 704389 Washer M6 84
63 706893 Locking Nut M6 84
63 708996 BH-screw M6 x 2 A4 84
68 710611 Rubber fender 5m
80 181348 Bulk head 1” x ¾” 4
80 705989 Counter nut ¾” BSP 4
94 705187 Bulk head 3/8” 1
104 703641 Nipple 3/4” BSP 4
108 703330 Nipple 3/8” BSP 4
109 703331 Socket 3/8” BSP 2
110 705113 Check valve 5 bar 1
111 705115 Fitting GE12LR-1/4” 1
117 703636 Bonded seal 3/4" 4
120 703650 Bonded seal 3/8" 2
121 703637 Bonded seal 1” 4
124 706434 Drain pipe ø12x1 1

8.0 DRAWINGS
8.1 Assembling, mounting and transportation no. 481741
8.2 Assembling, mounting and transportation no. 481743

9.0 THRUSTERS - Part No. 682178
Pos. Nos. refer to Drawing No. 481577
Pos. No. PART No. DESCRIPTION
QTY.
01 712147 Propeller ø185 2
02 712146 Hydraulic motor 2
03 183340 Shaft 2
04 183720 Thruster tube 2
05 183722 Rail 2
06 183337 Screen 1 2
07 183338 Screen 2 2
09 182258 Pin ø10x50 2
10 712392 Locking pin 2
11 700835 Sealing ring 2
12 711341 O-ring 2
13 704394 Chain 0,4m
14 706070 Shackle 4
15 1833480 Pointed screw M5 x 6 4
16 1852620 CH-screw M5 x 12 A4 2
17 704367 CH-screw M8 x 20 A4 8
17 705450 Self-locking nut M8 8
18 1848097 CH-screw M6 x 35 A4 6
19 704389 Washer M6 16
19 705002 CH-screw M6 x 12 A4 16
20 711355 Hydr. Coupling ½” Tema male 2
20 711354 Hydr. Coupling ½” Tema female 2
20 708034 Dust cap ½” 2
20 706477 Dust plug ½” 2
20 711428 Bonded seal ½” 4
21 711357 Hydr. Coupling 3/8” Tema male 2
21 713619 Dust cap 3/8” 2
21 711439 Bonded seal 3/8” 2
27 706185 Nipple 1/8 x ¼” BSP 2
28 703330 Nipple 3/8” BSP 7
29 703650 Bonded seal 3/8” 7
30 183790 Bracket 2
31 703135 Self-locking nut M10 2
31 704003 Washer M10 4
31 705258 Hex.screw M10 x 35 A4 2
32 704390 Plug ¼” BSP 2