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Mercury 240 Jet Drive, Manual, Page: 6 / 9

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Mercury 240 Jet Drive Manual Download Page 6

MAINTENANCE

Page 1B-6

90-884822   DECEMBER 2001

Fuse Replacement

IMPORTANT: Always carry spare SFE 15 and 20 AMP fuses.

The electrical wiring circuits on the jet powerhead are protected from overload by fuses in
the wiring. If a fuse is blown, try to locate and correct the cause of the overload. If the cause
is not found, the fuse may blow again.

1. Open the fuse holder and look at the silver colored band inside the fuse. If band is bro-

ken, replace the fuse. Replace fuse with a new fuse with the same rating.

2. The fuses and circuits are identified as follows:

a.  Smart Craft Data Bus Circuit – SFE 15 AMP Fuse.

b. Accessories – SFE 20 AMP Fuse.

c. Ignition Coil Circuit – SFE 20 AMP Fuse.

d. Electric Fuel Pump/ECM Driver Power/Oil Pump Circuit – SFE 20 AMP Fuse.

57777

a

b

c

d

15

 

59221

Summary of Contents for 240 Jet Drive

Page 1: ...rk Plug Inspection 1B 5 Battery Inspection 1B 5 Fuse Replacement 1B 6 Flushing Cooling System 1B 7 Corrosion Protection 1B 7 Out of Season Storage 1B 8 Fuel System 1B 8 Protecting Jet Pump Components 1B 9 Battery Storage 1B 9 Specifications FUEL SYSTEM Fuel Recommended Gasoline Recommended Oil Gasoline w Oil Injection Unleaded 87 Octane Minimum TC W3 Premium Plus 2 Cycle Outboard Oil IGNITION SYST...

Page 2: ...MAINTENANCE Page 1B 2 90 884822 DECEMBER 2001 Special Tools 1 Grease Gun 91 37299A1 ...

Page 3: ...y and connections 4 Check tightness of bolts nuts and other fasteners Every 50 Hours of Use or Once a Month 1 Check level and condition of drive housing and stator lubricant 2 Check corrosion control anodes 3 Check tightness of bolts nuts and other fasteners Every 100 Hours of Use or Once a Season 1 Lubricate all lubrication points Lubricate more frequently when used in salt water 2 Replace spark ...

Page 4: ...uel line must be replaced Water Separating Fuel Filter NOTE The warning system will turn on when water in the fuel filter reaches the full level 1 This filter removes moisture and also debris from the fuel If the filter becomes filled with water the water can be removed If the filter becomes plugged with debris the filter must be replaced with a new filter b a 59226 a Fuel Water Separating Filter ...

Page 5: ...s clean away dirt on the spark plug seats Install plugs fin ger tight and tighten 1 4 turn or torque to 20 lb ft 27 Nm Battery Inspection The battery should be inspected at periodic intervals to ensure proper engine starting capa bility IMPORTANT Read the safety and maintenance instructions which accompany your battery 1 Turn off the engine before servicing the battery 2 Add water as necessary to ...

Page 6: ... overload If the cause is not found the fuse may blow again 1 Open the fuse holder and look at the silver colored band inside the fuse If band is bro ken replace the fuse Replace fuse with a new fuse with the same rating 2 The fuses and circuits are identified as follows a Smart Craft Data Bus Circuit SFE 15 AMP Fuse b Accessories SFE 20 AMP Fuse c Ignition Coil Circuit SFE 20 AMP Fuse d Electric ...

Page 7: ...nd attach wa ter hose a b a Flush Adapter Plug Mounted on Hull b Flush Adapter Plug Mounted in Engine Compartment 2 The engine may be run using the Flushing Attachment DO NOT run the engine above idle speeds 3 Turn water on and flush engine block for at least 10 minutes 4 Remove water hose and install flush adaptor plug 5 Flush outer surfaces of pump with water stream Corrosion Protection The jet ...

Page 8: ... being used contains alcohol it is advisable to drain as much of the remaining gasoline as possible from the fuel tank remote fuel line and engine fuel system The most effective method for storage preparation is to add the recommended amount of Fuel System Treatment and Stabilizer and Quickleen products as described on their con tainers to the fuel tank before the last operation of the boat Adding...

Page 9: ...any damaged gaskets before reinstalling plugs 1 Drain and refill drive housing unit and stator assembly with Premium Gear Lubricant as explained in Jet Pump section see Table of Contents 2 Lubricate all lubrication points Battery Storage 1 Remove battery as soon as possible and remove all grease sulfate and dirt from top surface 2 Cover plates with distilled water but not over 3 16 in 5 mm above p...

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