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6. Operating Your Tender 

This boat uses a water-jet propulsion system and has unique characteristics in steering. The throttle produces thrust
from the jet pump, the directional control is provided by opening the throttle and turning the joystick in the 
direction of your turn. High thrust will turn the boat sharply; low thrust will produce less turning force. There is no 
rudder, so while underway there is no steering without thrust. 
If weed or debris gets caught in the jet unit during use cavitation can occur causing a decrease in forward thrust. If

this condition is allowed to continue the engine may overheat resulting in serious damage. If there is any sign of

debris or weeds etc. blocking the jet, remove the boat from the water. 
Remouve kill switch and remove all debris from around the jet unit. 

DO NOT make repeated attempts to start a 

blocked or jammed tender as engine damage may result. In case of difficulty consult your AXA authorized dealer.

Recovery

CAUTION

. Do not attempt to lift or recover the tender by the transom. Any stern-up angle will cause water 

to enter the engine from exhaust system and will result in serious engine damage. 

Mooring 

CAUTION

. Do not leave the JetTENDER moored for extended periods as this may result in an accumulation 

of marine growth and a loss of performance. 

Beaching

CAUTION

. DO NOT operate in less than 0.6m/2ft of water as debris may enter the jet unit. DO NOT drive 

JetTENDER onto beach. Stop engine before beaching as damage to pump/engine cooling may occur. 

After beaching, move boat into deeper water and rock from side to side several times to remove sand from intake
area 

failure to do so could cause damage to jet unit. 

Trim

CAUTION

. Do not overload the boat. At all speeds be aware of trim and keep weight evenly distributed. 

General

CAUTION

. Operate the boat with due care and at a speed appropriate to the sea conditions. Be aware of 

local laws and restrictions. Always carry out a visual check of the boat and its components prior to use. 
Adhere to the maintenance schedule. 

WARNING

. Manoeuvrability is restricted while decelerating. Familiarize yourself with the boat’s handling.

New Engine Break-in Period 

Aquanami recommends that during the first five hours of operation, you should not operate the engine over 5,000

RPM. This protective running-

in has a positive effect on the engine‘s lifespan. 

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Summary of Contents for JetTENDER 250

Page 1: ...JetTENDER 250 User Manual 1...

Page 2: ...cal boating schools or competent instructors This user manual is not a detailed maintenance or trouble shooting guide In case of difficulty please contact the dealer Always use qualified and competent...

Page 3: ...s and closing valves 12 5 5 2 Stability and buoyancy 13 5 6 Avoiding the risk of fire or explosion 13 5 6 1 Refueling 13 5 7 General arrangement 14 6 Operating 15 6 1 Fuelling 16 6 2 Before use 16 6 3...

Page 4: ...d maneuvering equipment Check the function and condition of steering and the remote control and carry out the routine daily checks specified in the engine manual Seaworthiness Check the boat s seawort...

Page 5: ...he manuals of devices which are installed afterwards Space has been left for your own notes at the end of the manual The craft has a running serial number a CIN code Craft Identification Number The CI...

Page 6: ...6...

Page 7: ...7...

Page 8: ...8...

Page 9: ...airing or replacing as AXA may elect at its sole discretion any parts that prove in AXA sole judgement to be defective in material or workmanship THIS LIMITED WARRANTY SHALL BE THE ORIGINAL PURCHASER...

Page 10: ...ns to equip or modify inflatable boats produced prior to the date of such changes or alterations This Limited Warranty shall be governed by and construed and enforced in accordance with Croatian Law 4...

Page 11: ...hest third of the waves which approximately corresponds to the wave height as estimated by an experienced observer Individual waves may reach up to twice this height If the significant wave height is...

Page 12: ...fault weight of an adult is assumed to be 75 kg and that of a child 37 5 kg c And liquids fuel in fixed tanks and cargo is 15 kg NOTE The maximum load only includes the above mentioned weight componen...

Page 13: ...hes or appliances that can cause a spark Do not stow any loose items under the seat that if moved could prevent fuel flow to the engine This is particularly important for items that may press against...

Page 14: ...er under storage cover 5 Throttle shift control 6 Big splash proof storage 7 Certification plate 8 Drain plug 9 Tube inflation valves 10 Hull Identification Number HIN 11 Engine flushing attachment 12...

Page 15: ...ter the engine from exhaust system and will result in serious engine damage Mooring CAUTION Do not leave the JetTENDER moored for extended periods as this may result in an accumulation of marine growt...

Page 16: ...f rubber or plastic parts Corrosion of metal parts Damage to internal engine parts 6 2 Before Use Tube pressure will fluctuate with temperature Inflate tubes in sequence to 250mB 3 6psi Failure to obs...

Page 17: ...ngine has 2 liter oil reservoir However your engine may already have some oil left over from the factory testing Adds oil slowly and use the oil level stick to check the oil level Use a tower to wipe...

Page 18: ...Risk of engine flooding exists if water remains on after engine is switched off 1 Connect a fresh water hose fitted with the male connector supplied with the tender to the flushing attachment couplin...

Page 19: ...fresh water to remove salt deposits 2 Check engine oil level refer to section Oil Level Check in this handbook 3 Check coolant level 4 Flush open loop cooling system 5 Apply a good quality marine gre...

Page 20: ...fuel line connections for tightness Verify for any fuel leak odor as well as oil and coolant leaks Check any loosen parts Engine oil level Check refill Engine coolant Check refill Carburetor Periodic...

Page 21: ...eathing oil retainer C C C C Carburetor C C C C Fuel water separator C C C C Airbox I I COOLING SYSTEM Hose and fasteners I I Coolant I R R Exhaust flushing I I I I FUEL SYSTEM Throttle cable IL IL IL...

Page 22: ...ive shaft I I I Automatic vacuum siphon pump IC IC IC IC Sacrificial anode if so equipped I IR Ride plate and water intake grate I I Ride plate seal I I I I Hull Snorkel airintake I I Engine compartme...

Page 23: ...the tank Fuel begins to break down after approx 30 days Adding a fuel stabilizer in the recommended ratio will minimise this Cooling System Flush the open loop water circuit to remove salt sand shell...

Page 24: ...AXA dealer Engine turns slowly but does not start weaken or discharged battery replace battery bad battery cable connection tighten worn start motor refer to a AXA dealer Engine turns regularly but do...

Page 25: ...stem coolant leak damaged cooling system garden flushing connector is closed clogged jet Incorrect oil level to low or to much fill coolant flushing exhaust cooling system clean jet check oil level or...

Page 26: ...y bad seal replace automatic siphon pump head is blocked clean fouled bilge pump replace bilge pump bad drive shaft mechanic seal refer to a AXA dealer hull leak refer to a AXA dealer loose drain plug...

Page 27: ...27...

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