Williams Minijet 280, Owner'S Handbook Manual

williamsjettenders.com

williamsjettenders.com

English

English

English

15

Electrical Cable Colour Coding

This chart sets out the corresponding colour to all cable printed abbreviations found on the 

craft. Please refer to our website at williamsjettenders.com for the complete wiring diagram.

Code

Colour

Code

Colour

BK

Black

VT

Violet

GN

Green

RD

Red

PK

Pink

GY

Grey

LTGN

Light green

BE

Blue

BN

Brown

WE

White

OE

Orange

YW

Yellow

Fuel System Check

WARNING.

 Pressurised fuel system

. Inspect system for leaks at scheduled service 

intervals. All elements of the fuel system function under pressure (4 bar). The system 

remains pressurised after engine is switched off. Extreme care must be taken when removing 

quick connectors during filter change. Wear eye protection. No naked flames.

Lifting the Minijet

CAUTION.

Damage to the tender may result if the following procedure is not 

adopted.

Lifting strops are available as an optional accessory. Ensure hooks are attached correctly before 

lifting.

WARNING. 

Risk of injury or death.

 When Williams lifting strops are used, please 

adhere to the Safe Working Load values as follows: 

Minijet 280:

 280 kg max. 

Re-boarding your Minijet 

English

14

Quick Release Steering Wheel Operation

The quick release steering wheel is an optional accesory available on the Minijet. It reduces the 

overall height of the tender to 0.71m.

1 

To remove steering wheel from boat, pull black tab (1) towards steering wheel to release.

2  

To replace wheel, pull black tab (1) towards wheel and locate on central steering hub, push 

all the way to the base of steering hub before releasing tab. Ensure the wheel is fully locked 

by pulling the wheel towards you, ensuring it does not release accidentally. Several ball 

bearings will locate in reciprocal holes to lock the wheel to the steering hub.

Please note:

  When located on the wheel, the quick release collar will spin 360 degrees. The 

collar is designed this way. 

Routine Maintenance 

To ensure long service life and to maintain the tender in a safe and reliable condition 

please follow these routine maintenance instructions. Williams cannot accept any 

responsibility for damage or injury resulting from incorrect maintenance or improper 

adjustment carried out by the owner.
1

    Wash tender regularly with 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 grease containing Teflon (e.g. Quicksilver 101) to all control 

cables both under the helm and at the pump.

6

    Check bilges for water ingress, oil or fuel contamination and clean if necessary.

7

    Lightly grease the extending running light pole base using white grease or similar.

8

    Check condition of the two pump anodes.

9

     Loss of tube pressure over 24 hours is not unusual. Temperature and atmospheric pressure 

will affect tube pressures. Check pressures regularly.

10

     For boats used in tropical environments, the frequency of the routine maintenance should 

be increased accordingly.

1  

Approach the boat and 

hook both hands over the 

tube.

2  

Push your body forward 

and upwards.

3  

Swing your body round 

once your waist is above 

the water.

Example: GN/YW signifies 

Green/Yellow

1