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CA741

Warranty Message

The product you have purchased comes with a limited warranty from Mercury Marine; the
terms of the warranty are set forth in the 

Warranty Sections of this manual. The warranty state-

ment contains a description of what is covered, what is not covered, the duration of coverage,
how to best obtain warranty coverage, important disclaimers and limitations of damages,
and other related information. Please review this important information.

CB785

WARNING

The operator (driver) is responsible for the correct and safe operation of the boat, the
equipment aboard and the safety of all occupants aboard. We strongly recommend
that the operator read this Operation, Maintenance and Warranty Manual and
thoroughly understand the operational instructions for the power package and all
related accessories before the boat is used.

The description and specifications contained herein were in effect at the time this guide was
approved for printing. Mercury Marine, whose policy is one of continuous improvement,
reserves the right to discontinue models at any time, or to change specifications or designs,
without notice and without incurring obligation.

Mercury Marine Fond du Lac, Wisconsin, U.S.A.

Printed in U.S.A.

1999, Mercury Marine

The following are registered trademarks of Brunswick Corporation:
Autoblend, Jet-Prop, Mariner, Merc, MerCathode, MerCruiser,
Mercury, Mercury Marine, Quicksilver, Ride-Guide, and Thruster.

Diesel Sterndrives - Bravo One/T

wo/Three

1999, Mercury Marine

90861

181990   999

Summary of Contents for Bravo One Series

Page 1: ...perator read this Operation Maintenance and Warranty Manual and thoroughly understand the operational instructions for the power package and all related accessories before the boat is used The descrip...

Page 2: ...ating seasons To ensure maximum performance and carefree use we ask that you thoroughly read this manual The Operation Maintenance and Warranty Manual contains specific instructions for using and main...

Page 3: ...on Serial Number 4 Propeller Number Pitch Diameter 5 Hull Identification Number HIN Purchase Date 6 Boat Manufacturer Boat Model Length 7 Exhaust Gas Emissions Certificate Number Europe Only CB783 Ser...

Page 4: ...8 While Boat Is Stationary 18 High Speed And High Performance Boat Operation 18 Conditions Affecting Operation 19 Weight Distribution 19 Bottom Of Boat 19 Cavitation 19 Ventilation 19 Propeller Select...

Page 5: ...rive Unit Lay Up 52 Sterndrive Unit Recommissioning 52 Troubleshooting 53 Remote Control Operates Hard Binds Has Excessive Free play Or Makes Unusual Sounds 53 Steering Wheel Turns Hard Or Jerky 53 Po...

Page 6: ...anty claims will not be accepted without presentation of this card A temporary Owner Warranty Registration Card will be presented to you when you purchase the product It is valid only for 30 days from...

Page 7: ...aler may ask you for the Warranty Registration Card to verify date of purchase and to use the information on the card to prepare the warranty claim form s In some countries the Marine Power Service Ce...

Page 8: ...void the warranty at the sole discretion of Mercury Marine Routine maintenance outlined in the Operation Maintenance and Warranty Manual must be timely performed in order to obtain warranty coverage I...

Page 9: ...n surance coverage loan payments loss of time loss of income or any other type of incidental or conse quential damages are not covered by this warranty Also expenses associated with the removal and or...

Page 10: ...ct to an Autho rized Dealer Additional service work requested by customer other than that necessary to satisfy the warranty obligation Labor performed by other than an Authorized Dealer may be covered...

Page 11: ...a copy of the bill of sale to show proof of ownership In the United States and Canada mail to Mercury Marine W6250 West Pioneer Road P O Box 1939 Fond du Lac Wl 54936 1939 Attn Warranty Registration D...

Page 12: ...ay be hazardous if performed incorrectly or carelessly Observe them carefully These Safety Alerts alone cannot eliminate the hazards that they signal Strict compliance with these special instructions...

Page 13: ...the seat or gunwale at planing speeds standing at planing speeds sitting on elevated fishing boat decks operating at planing speeds in shallow or obstacle infested waters releasing your grip on a stee...

Page 14: ...to be thrown out of their seats or out of the boat There is another less common hazardous result from allowing your boat to launch off a wave or wake If the bow of your boat pitches down far enough w...

Page 15: ...pact damage to the sterndrive and or boat Keep in mind one of the most important things you can do to help reduce injury or impact damage in these situa tions is control the boat speed Boat speed shou...

Page 16: ...g to follow these instructions Sand silt or mud could be sucked into the water inlets restricting or shutting off the water supply to the engine Extreme care should be exercised when operating a boat...

Page 17: ...of storage containers 6 Manual bilge pump and extra drain plugs compass and map or chart of area 7 Spare operating equipment batteries bulbs fuses etc 8 Transistor radio 9 Drinking water Know signs of...

Page 18: ...ts or other property where the damage value exceeds 500 00 or 4 there is complete loss of the boat Seek further assistance from local law enforcement CA282 Protecting People In The Water While You Are...

Page 19: ...owth must be removed before operation it may clog water inlets and cause engine to over heat CA9 Cavitation Cavitation occurs when water flow cannot follow the contour of a fast moving underwater obje...

Page 20: ...ect on the density of air Heat and humidity thin the air This condition can become particularly annoying when an engine is propped out on a cool dry day in spring and later on a hot sultry day in Augu...

Page 21: ...ith the on board equipment Explain and demonstrate the operation of the complete power package and boat At the time of delivery the dealer should provide you with a copy of a Predelivery Inspection Ch...

Page 22: ...damage is present or suspected boat should be taken to an Authorized MerCruiser Dealer for thorough inspec tion and necessary repair Operating a damaged drive unit could cause additional damage to oth...

Page 23: ...his instance water may enter the cylinders through the exhaust system When backing up rapidly the same situation may occur as stated in the preceding paragraph In any of these situations water enterin...

Page 24: ...not attempt these repairs unless you have these special tools and or equipment You can cause damage to the product in excess of the cost a dealer would charge you Also if you partially disassemble an...

Page 25: ...25 CD594 THIS PAGE IS INTENTIONALLY BLANK...

Page 26: ...26 CD9 Operation CD197 1 4 5 2 3 6 7 8 11 9 10 9 11 10 8 13 12 12...

Page 27: ...detent for Forward gear Continue pushing forward to increase speed Pull the control handle back from Neutral with a quick firm motion to the first detent for Reverse gear Continue pushing back to inc...

Page 28: ...28 CD198 3 4 70537 71339 1 2 71338 5 3 5...

Page 29: ...gle while underway to provide the ideal boat angle for vary ing load and water conditions Also the Power Trim system Trailering feature allows the operator to raise and lower the drive unit for traile...

Page 30: ...30 CD199 1 3 2 6 4 5 73976 73977...

Page 31: ...ler Position Press button until drive unit reaches desired height 2 Trim Up Out Press UP on Trim switch until drive unit reaches desired trim position 3 Lower Drive Unit Press DOWN on Trim switch unti...

Page 32: ...32 CD200 70540 70540 70540 5 6 7 4 2A 1 1 2B 3 73978 73979...

Page 33: ...d drive unit 3 Three Button Trim Control Trim Adjustment Switches With a single integral trim button in the handle to control two drive units simultaneously these two switches control the fine tune ad...

Page 34: ...yard stop switch to shut off the engine above idle speed When coming off plane if a large following wave may roll over the boat s transom apply a short light burst of throttle to minimize the wave act...

Page 35: ...Specifications Capacities NOTE All measurements are given in US Quarts Liters ITEM SPECIFICATION Bravo One 2 3 4 2 9 Drive Unit Oil Capacity With Gear Lube Monitor Bravo Two 3 1 4 3 7 y Bravo Three 2...

Page 36: ...f a d e g 36 CD10 Maintenance CD616 PORT LEFT SIDE a Steering System Location b Transom Assembly c Stern Drive Unit d Antiventilation Plate e Power Trim Cylinder f Speedometer Pitot Tube g MerCathode...

Page 37: ...not covered in this manual it is recommended that a MerCruiser Service Manual s be purchased and read thoroughly CD457 Maintenance Aids 1 All pivot points SAE 30W motor oil 2 Exposed Portion of Steeri...

Page 38: ...r this maintenance may be extended to every four months Scheduled Maintenance Every 100 hours or Annually Every 200 hours or 3 years Every 2 years Every 5 years Every 500 hours or 5 years Every 1000 h...

Page 39: ...e is required to fill monitor a seal may be leaking Damage to drive unit may occur due to lack of lubrication Contact your Authorized MerCruiser Dealer for service CD620 POWER TRIM PUMP FLUID Power tr...

Page 40: ...40 CD461 50132 1 2 70568 4 70570 5 70569 3 72522 71995...

Page 41: ...by your Authorized MerCruiser Dealer 5 Lower drive unit so propeller shaft is level Fill drive unit through OIL FILL DRAIN hole with Specified Gear Lube until an air free stream of lubricant flows fro...

Page 42: ...42 CD463 6 1 3 71903 71904 71901 2 70556...

Page 43: ...ering cable does not have grease fitting inner wire of cable cannot be greased 2 Turn steering until steering cable fully extended Lubricate by applying a thin coat of Special Lubricant 101 on exposed...

Page 44: ...t and Gimbal Bearing Grease 2 For propeller shaft lubrication see PROPELLER CB776 Engine Coupler 3 Lubricate engine coupler splines through grease fittings on coupler by applying approximately 8 10 pu...

Page 45: ...revent propeller from rotating when removing propeller nut CAUTION Avoid Injury Periodically check propeller nut for tightness during boating season A minimum of 55 lbs ft 75 N m torque is required CA...

Page 46: ...lign splines and place propeller on propeller shaft 5 Install final attaching hardware A Bravo One Install Drive sleeve adapter and locking tab washer Flo Torque II Drive Hub B Bravo Two Place continu...

Page 47: ...m rotating when removing propeller nuts CAUTION Avoid Injury Periodically check propeller nuts for tightness during boating season REMOVAL BRAVO THREE 1 Place wood block between propeller blades and a...

Page 48: ...r nut Tighten nut securely A minimum of 100 lbs ft 136 N m torque is required Check pro peller at least after 20 hours of operation Do not operate with loose propeller 5 Slide aft thrust hub onto prop...

Page 49: ...ficial anodes if eroded 50 or more 1 Universal Anodic Plate serves as a sacrificial anode Remove plug from drive shaft housing to access attaching screw and insert 1 2 inch socket Unthread attaching s...

Page 50: ...t CB702 2 Bearing Carrier Anode Bravo One Models is located in front of the propeller between the front side of the propeller and the gear housing Refer to Propeller section in this manual for propell...

Page 51: ...owing a minimum of 1 1 2 in 40mm UNPAINTED area on transom of the boat around these items 3 Painting Drive Unit or Transom Assembly Drive unit and transom assembly should be painted with a good qualit...

Page 52: ...ter pitot hole and anode cavity vent and drain holes are open and unobstructed 2 Change drive unit oil and check drive unit for water Refer to Changing Drive Unit Oil earlier in this manual Water in t...

Page 53: ...r Jerky Possible Cause Remedy Low power steering pump fluid level Refill system with fluid Drive belt loose or in poor condition Replace and or adjust Insufficient lubrication on steering system compo...

Page 54: ...r parts and accessories for you should he not have them in stock Only Authorized Dealers can purchase genuine Quicksilver parts and accessories from the factory Mercury Marine does not sell to unautho...

Page 55: ...93 5880 Mercury Marine Australia 132 140 Frankston Road Dandenong Victoria 3164 Australia Europe Middle East Africa 32 87 32 32 11 32 87 31 19 65 Marine Power Europe Inc Parc Industriel de Petit Recha...

Page 56: ...oad P O Box 1939 Fond du Lac WI 54936 1939 Outside the United States and Canada contact the nearest Mercury Marine or Marine Power International Service Center for further information When ordering be...

Page 57: ...57 CD68 Owner s Logbook Date Maintenance and Repair Operating Hours...

Page 58: ...58 CD68 Owner s Logbook Date Maintenance and Repair Operating Hours...

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