Installation Instructions - Imtra

Less noise 

- more thrust! 

Thruster Upgrade Kit 

MANUAL

Q-prop 

The new 5 blade special skew propellers is the result of over 2 years of 

development work and thousands of tests. They have been designed to reduce 

the noise level, while maintaining the exceptional efficiency of the old 

4 blade Sidepower propellers. This goal was achieved, and we even chose 

to make a little bit more aggressive on some models, increasing the thrust 

on most thrusters. Please see individual information on each new thruster 

for more details. 

Details: 

• Noise reductions of up to 75% measured in 

controlled environments* 

• The expected and tested normal noise reduction 

in “average installations” 20-40% 

• Will be delivered on all Sidepower models during 2008 except the 

SP550 

• Upgrade kits are available for most “SP” series thrusters with special 

adaptors 

* Actual noise reduction wil vary with 

boat type and thruster installation. 

NOISE AND EFFICIENCY 

Principally, more blades on a propeller means that 

you spread the load more so that the pressure peaks 

(heard as noise) are individually lower. Another factor 

is that the majority of noise you hear in a boat from a 

thruster is what is called structural borne noise, that 

travels through the boats structure. Principally, a higher 

frequency will travel a shorter distance. However, 

there is a “cost” also to add more propeller blades. 

Principally you loose efficiency because more blades 

means that they are closer together and thereby will 

disturb the water for the “next blade”. More blades 

also means more friction. The skew shape of the blades 

“slice” through the water “gradually” instead of hitting 

the water all at the same time with a straight edge. This 

makes for a smoother noise picture, again reducing the 

level of the “peaks” as seen in the frequency analysis. 

But also skew must be used carefully as it increases the edge length of the propeller and thereby the 

friction in the water, reducing the propellers efficiency. 

The key is obviously to find the best compromise between noise and efficiency, and we have made 

our choice based on thousands of carefully documented tests. We have accomplished maintaining 

the exceptional efficiency of our old propellers by sculpting the new propellers very perfectly and 

changing to a new high-tech composite material allowing a thinner blade to reduce friction.

Parts description: 

1: Screw for zincanode 

2: Zincanode 

3: Propeller lock nut 

5 

6 

4: Washer 

5: Q-Prop 

6: Adapter 

2 3 4 

1 

KIT #4 9999 (SP55) and #7 9999 (SP75/SP95) 

Locktite 

REMOVE OLD PROPELLER(S) 

1. Loosen and remove screw for zinc anode (1), zinc anode (2), lock nut (3) and washer (4) 

2. Remove old 4-blade propeller from shaft. If the propeller sits firmly on the shaft, use a piece 

of wood and tap on the propeller from behind. 

3. Clean shaft and check drivepin for wear. 

FIT NEW PROPELLER(S) 

1. Push the adapter (6) into the propeller until it locks in place 

2. Apply waterproof grease to the shaft, 

3. Push the propeller onto the shaft, carefully rotate the propeller until the drive pin aligns 

and moves into the slot/grove in the propeller hub. There should be almost no gap 

(approximately 1mm) between the propeller hub and the gear house. 

4. Place the washer (4) on the propeller shaft and then tighten the lock-nut (3) on the 

propeller shaft. 

5. Place the zinkanode (2) in its designated position and tighten the zincanodes holding screw (1). 

Apply a thread glue (Locktite or similar) to ensure that the zincanodes holding screw does not 

un-screw itself from the propellers rotation. 

PROPELLER CHECKLIST 

Propeller is fastened correctly to the shaft. 

Propeller turns freely in tunnel. 

The zinc-anode holding screw is tightened well with thread glue. 

Anti-fouling have been applied to the gearhouse and propeller but NOT on the zincanode or 

the gearhouse lid where the propeller is fastened. 

SIDE-POWER Thruster Systems

KIT #9 9999 (SP125) and #10 9999 (SP155/SP200) 



2: Zincanode 


5 

6 

4: Washer 

5: Q-Prop 

6: Axle key 

2 3 4 

1 

Locktite 



2. Remove old 4-blade propeller from shaft. If the propeller sits firmly on the shaft, use a piece of 

wood and tap on the propeller from behind. 

3. Clean shaft and check drivepin for wear. 

FIT NEW PROPELLER(S) 

1. Replace old key with new key from kit (6). 


3. Carefully rotate the propeller until keyway in propeller aligns with key on shaft, and push the 

propeller fully onto the shaft. There should be almost no gap (approximately 1mm) between the 

propeller hub and the gear house. On thrusters with counter rotating propellers (SP155/SP200), 

fit propeller marked LH on port side, propeller marked RH on starboard side. 

4. Place the washer (4) on the propeller shaft and then tighten the lock-nut (3) on the propeller shaft. 

5. Place the zinkanode (2) in its designated position and tighten the zincanodes holding screw (1). 







Anti-fouling have been applied to the gearhouse and propeller but NOT on the zincanode or the 

. 

gearhouse lid where the propeller is fastened.

2 

3 

4 

6 

1 

1 

2 

3 4 

7 5 6 

5 

2 


1: Electromotor 

2: Directional solenoid 

1 Electromotor 3: Motorbracket 

2 

Directional solenoids 

3 

Motorbracket 

4: 

for 

Flexible 

holding 

coupling, 

motor and 

secures the electromotor 

1: Electromotor gearhouse together if the on propeller the tunnel. is jammed. Changeable from 

2: Directional 4 Breakpin solenoids secures inside the the electromotor boat if 

3: Motorbracket propeller holding is jammed. motor and Changeable from 

5: Q-Prop 

gearleg together inside the on boat. the tunnel 

5 

4: Breakpin 5-blade (SP55)/Flexible skew 6: propeller Gearhouse coupling 

(SP75/100/125/155/200) 

for ultimate 3 4 

performance. 

6 Prefilled lifetime 7: Replaceable lubricated gearhouse. zinc andode, protects 

secures electromotor if propeller 

7 

Changeable zincanode gearhouse protects from gearhouse 

from corrosion in seawater. 

corrosion 

is jammed. Changeable from 

inside the boat. 

5: 5-blade Q-prop skew design propeller 

7 for ultimate performance 

5 6 

7 

6: Gearleg 

7: Replaceable zinc anode protects 

gearleg from corrosion 

1 

2 

Parts d 

1: Elec 

2: Dire 

3: Mot 

4: Flex 

if th 

insid 

5: Q-P 

6: Gea 

7: Rep 

gea 

MAINTENANCE 

MAINTENANCE 

de (2), lock » nut There 1 (3) must and washer always (4) be oil in the oil reservoir. Refill » if There necessary must always with gear be oil oil EP90. in the oil reservoir. Refill if nec 

Change 2 the gear oil a minimum of every second year. Change Check the thegear gearoil aquality minimum the of every second year. C 

er sits firmly gearhouse on the shaft, every use time a piece the boat is out of the 4 3water. 

gearhouse every time the boat is out of the water. 

» Retighten the bolts holding the gearhouse to the » motor Retighten bracket the during bolts the holding first on-land the gearhouse to the motor 

Locktite service with the specified bolt tightening force (check service manual). with the specified bolt tightening force (check m 

1 

Fastening screw for zincanode 

» SE30/125S Keep the propeller and gearhouse clean from2 

growth » Keep by painting the propeller with antifouling and gearhouse before clean from growth by 

Zincanode 

SE40/125S every season. PS! The zinc anode, sealing and propeller every season. shafts must PS! absolutely The zinc anode, not besealing and propell 

3 

Propeller lock nut 

lace painted. Be careful that you don’t fill paint in the “tracks” painted. the Be gearhouse careful that that you the don’t propeller fill paint in the “tracks 

4 

Washer 

hub moves in. 

hub moves in. 

5 

Drivepin for propeller 

» Change the zinc anode before every season, or when » Change abouthe half zinc theanode before is gone. every season, or when a 

ropeller untilAlways the drive use pina aligns tread lock on the screw holding the zincanode Always use to aensure tread that lock it ondoes the screw not fallholding off. the zincan 

re should bePlease almostobserve no gap 

N that in some waterconditions it canPlease be necessary observetothat install some an extra waterconditions it can be n 

Vedlikehold 

he gear house. zincanode to ensure that it lasts for the whole period zincanode betweento regular ensure service that itlifts lastsoffor the the boat. whole period be 

Consult your dealer for information on how to do this. Consult your dealer for information on how to do this. 

otor bracket 

» Etterstram boltene som holder girhuset sammen med braketten ved 

ghten the lock-nut (3) on the 

olt tightening 

første på-land servicen med oppgitt moment (s. 13). 

» As a part of the seasonal service of your boat, and » As before a part every of the season, seasonal always service check of your that: boat, and befo 

th by painting 

» Hold propellen og girhuset fritt for algevekst ved å påføre bunn-stoff 

tighten the 

• 

zincanodes 

The propeller 

holding før is securely hver screw sesong. fastened 

• The propeller is securely fastened 

(1). 

the ust absolutely zincanodes holding screw PS ! Sinkanoder, does not tetninger og propellaksel skal ikke påføres 

• The bolts holding the electric motor to the motor • bracket The bolts are fastened holding the correctly. electric motor to the motor bracke 

the “tracks” in 

bunnstoff, pass på så det ikke kommer bunnstoff i gjengesporene 

til propellmutteren. 

• The area where the thruster is installed is clean and • The dry. area where the thruster is installed is clean and dry 

» Skift sinkanode før hver sesong, eller når ca. halvparten av sinkanoden 

har tæret bort. Bruk Locktite eller lignende på skruen til 

en about half If there are signs of water you must try to find the source If there and are eliminate signs of water it. you must try to find the sourc 

rew holding the 

sinkanoden for at den ikke skal falle av. Ta i betraktning at under noen 

observe that • All in electrical connections vannforhold er are det clean nødvendig and fastened å montere • firmly. en All ekstra electrical sink-anode connections for å are clean and fastened firmly. 

l an extra 

være sikker på at de skal vare i hele perioden mellom vedlikehold. Ta 

ead d between glue. 

• Make sure that kontakt your med batteries din forhandler are in a good for informasjon condition • Make om sohvordan that surethe that å thruster gjøre yourdette. 

batteries gets a good are involtage. 

a good condition so 

r ropeller for information but Old NOToronbad thebatteries zincanode willor 

give a reduced performance Old from or bad the thruster. batteries will give a reduced performance fro 

» Som en del av det periodiske vedlikeholdet av din båt, og før hver 

sesong må følgende ting sjekkes: SIDE-POWER Thruster Systems 

SIDE-POWER Thruster Systems S 

before every 

• Propellen sitter godt festet.



2: Zincanode 


4: Washer 

5 

6 

5: Q-Prop 

6: Adapter 

1 

2 

3 

4 

Locktite 


Parts list 4 9999 (SP55) 


1+2 7 1190 Zinc anode 1 pcs 

of wood and tap on the propeller from behind. 

3 4 1260 Locknut 1 pcs 

3. 4 Clean shaft 7 1181 and check drivepin Propeller for wear. washer 1 pcs 

5 4 1261 185mm Q-prop 1 pcs 

FIT 6 NEW 7 1249 PROPELLER(S) Adapter 1 pcs 

7 6 1241 Propeller drivepin 1 pcs 

2. Remove old 4-blade propeller from shaft. If the propeller sits firmly on the shaft, use a piece 

1. Push the adapter (6) into the propeller until it locks in place 


3. Push the propeller onto the shaft, carefully rotate the propeller until the drive pin aligns 

Parts 

and moves 

list 7 

into9999 the slot/grove 

(SP75/SP95) 

in the propeller hub. There should be almost no gap 

(approximately 1mm) between the propeller hub and the gear house. 

4. 1+2 Place the 7 1190 washer (4) on theZinc propeller anode shaft and then tighten 2 pcs the lock-nut (3) on the 

3 propeller 4 1260 shaft. Locknut 2 pcs 

5. 4 Place the 7 1181 zinkanode (2) in its Propeller designated washer position and tighten 2 pcs the zincanodes holding screw (1). 

5 Apply a7 thread 1261 glue (Locktite 185mm or similar) Q-prop to ensure that the2 zincanodes pcs holding screw does not 

6 un-screw 7 1249 itself from the propellers Adapter rotation. 

2 pcs 

7 6 1241 Propeller drivepin 2 pcs 





Anti-fouling have been applied to the gearhouse and propeller but NOT on the zincanode or 

the gearhouse lid where the propeller is fastened.


1 


2 


1: Electromotor 

2: Zincanode 

2: Directional solenoid 


4: Washer 

5: Q-Prop 

6: Axle key 

1 

2 

3 4 

3 

4 

5 

3: 6Motorbracket 

4: Flexible coupling, secures the electromotor 

if the propeller is jammed. Changeable from 

inside the boat 

5: Q-Prop 

6: Gearhouse 

7: Replaceable zinc andode, protects 

gearhouse from corrosion 

Locktite 

5 

6 

7 

MAINTENANCE 


Parts list 9 9999 (SP125) 

» 1. There Loosen must and always remove be screw oil in the for oil zinc reservoir. anode (1), Refill zinc if necessary anode (2), with lock gear nut (3) oil and EP90. washer (4) 

Change the gear oil a minimum of every second year. Check the gearoil quality in the 

2. Remove old 4-blade propeller from shaft. If the propeller sits firmly on the shaft, use a piece of 

1+2 gearhouse 20 every 1180 time the boat is out of Zinc the water. anode 2 pcs 

wood and tap on the propeller from behind. 


43. service Clean with 20 shaft 1181 the andspecified check drivepin bolt tightening for wear. Propeller force (check washer manual). 2 pcs 

5 10 1272 250mm Q-prop 2 pcs 

6 FIT NEW 10 PROPELLER(S) 

1241 Propeller key 2 pcs 

» Retighten the bolts holding the gearhouse to the motor bracket during the first on-land 

» Keep the propeller and gearhouse clean from growth by painting with antifouling before 

every season. PS! The zinc anode, sealing and propeller shafts must absolutely not be 

1. painted. ReplaceBe old careful key with that new you key don’t from fill paint kit (6). in the “tracks” in the gearhouse that the propeller 

hub moves in. 


» Change the zinc anode before every season, or when about half the anode is gone. 

3. Always Carefully userotate a tread thelock propeller on theuntil screw keyway holding the propeller zincanode alignstowith ensure key that on shaft, it does and not push fall off. the 

Please propeller observe fully onto that in thesome shaft. waterconditions There should be it can almost be necessary no gap (approximately to install an extra 1mm) between the 

Parts zincanode propeller list to hub 10 ensure and 9999 the that gear it(SP155/SP200) 

lasts house. for the On whole thrusters period withbetween counter rotating regular service propellers lifts(SP155/SP200), 

of the boat. 

Consult fit propeller your dealer marked for LH information on port side, on propeller how to domarked this. RH on starboard side. 

» 1+2 4. AsPlace a part 20 the ofwasher 1180 the seasonal (4) service the propeller of your Zinc shaft boat, anode and andthen before tighten every theseason, lock-nut 2 pcs always (3) on check the propeller that: shaft. 


• The propeller is securely fastened 

45. Place 20 the zinkanode 1181 (2) in its designated Propeller positionwasher and tighten the zincanodes 2 pcs holding screw (1). 


• 5 The bolts 10 holding 1272RH the electric motor to 250mm the motor bracket Q-prop are RH fastened1 correctly. pcs 


5 10 1272LH 250mm Q-prop LH 1 pcs 

• PROPELLER The area whereCHECKLIST 

the thruster is installed is clean and dry. 

7 10 1241 Propeller key 2 pcs 

If there are signs of water you must try to find the source and eliminate it. 


• All Propeller electrical turns connections freely inare tunnel. clean and fastened firmly. 


• Make sure that your batteries are in a good condition so that the thruster gets a good voltage. 

Anti-fouling have been applied to the gearhouse and propeller but NOT on the zincanode or the 

Old or bad batteries will give a reduced performance from the thruster. 

gearhouse lid where the propeller is fastened. 

SIDE-POWER Thruster Systems 

. 

SIDE-POWER Thruster Systems

Confidence 

by Control! 

SidePower offers a wide range of additional 

equipment for your thuster system. 

Why not consider a wireless radio remote 

The radio remote is available in two versions 

- Bow- and sternthruster 

- Bowthruster and windlass 

Go for total control! 

SidePower sternthuster kits are available both 

for boats with shaft drive and boats with external 

sterndrives 

Sleipner Motor AS 

P.O. Box 519, 

N-1612 Fredrikstad, Norway 

Tel: +47 69 30 00 60 

Fax: +47 69 30 00 70 

Visit our website, and find even more options for 

your Side-Power thruster system! 

www.side-power.com

Installation Instructions - Imtra

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