Yanmar ZT370 Specifications

enEnglishSTERN-DRIVEOPERATION MANUALZT370

SAFETY6 ZT370 Operation ManualWARNINGExposure HazardAlways wear personal protective equipment including appropriate clothing, gloves, work shoes, eye

SAFETY12/05ZT370 Operation Manual 7CAUTIONPoor Lighting HazardEnsure that the work area is adequately illuminated. Always install wire cages on portab

SAFETY8 ZT370 Operation ManualNOTICEOnly use replacement parts specified. Other replacement parts may affect warranty coverage.Never attempt to modify

ZT370 Operation Manual 9ZT370 Operation ManualPRODUCT OVERVIEWOVERVIEWOwner/Operator ResponsibilitiesThe operator must, and assumes all responsibility

PRODUCT OVERVIEW10 ZT370 Operation ManualDealer/Distributor ResponsibilitiesIn general, a dealer’s responsibilities to the customer include predeliver

PRODUCT OVERVIEW12/05ZT370 Operation Manual 11COMPONENT IDENTIFICATIONFigure 1039031-00E01Steering systemlocationTransom assemblyDrive unitAntiventila

PRODUCT OVERVIEW12 ZT370 Operation ManualLocation of Serial NumbersThe serial numbers are the manufacturer’s keys to numerous engineering details whic

PRODUCT OVERVIEW12/05ZT370 Operation Manual 13CORROSION PROTECTIONGalvanic CorrosionGalvanic corrosion results whenever two or more dissimilar metals

PRODUCT OVERVIEW14 ZT370 Operation ManualUnderwater Drive CoatingThe lower gear case coating may be damaged when hit by objects in the water, or when

PRODUCT OVERVIEW12/05ZT370 Operation Manual 15Gear Housing Anodic PlatesThe gear housing anodic plates (1, Figure 4) are installed on the underside of

MODELOPERATION MANUALCODEAll Rights Reserved, CopyrightZT3700AZTD-EN0022Disclaimers:All information, illustrations and specifications in this manual a

PRODUCT OVERVIEW16 ZT370 Operation ManualFEATURES AND CONTROLSRemote ControlsThe Yanmar ZT370 can be controlled mechanically with push-pull cables or

PRODUCT OVERVIEW12/05ZT370 Operation Manual 17Stern-Drive Trim AngleTrim angle is the angular relationship between the stern-drive and the transom of

PRODUCT OVERVIEW18 ZT370 Operation ManualElectrical SystemThe power trim pump’s electrical system is protected by either a 1A in-line fuse (1, Figure

PRODUCT OVERVIEW12/05ZT370 Operation Manual 19Yanmar Cathodic Protection SystemThe Yanmar Cathodic Protection System (Y-CaPS) has a 20 A in-line fuse

PRODUCT OVERVIEW20 ZT370 Operation ManualThis Page Intentionally Left BlankZT370_OM.book 20 ページ ２０１３年９月２７日　金曜日　午前１０時１６分

ZT370 Operation Manual 21ZT370 Operation ManualSTERN-DRIVE OPERATIONThis section of the Operation Manual describes the procedures for proper operation

STERN-DRIVE OPERATION22 ZT370 Operation ManualPROPELLER SELECTIONThe propeller converts the engine’s power into the thrust needed to propel the vessel

STERN-DRIVE OPERATION12/05ZT370 Operation Manual 23INSTALLING THE PROPELLERS1 – Rear propeller nut2 – Rear propeller3 – Rear propeller thrust hub4 – F

STERN-DRIVE OPERATION24 ZT370 Operation Manual1. Apply a liberal coat of lubricant to the propeller shaft. Recommended lubricants are shown in the tab

STERN-DRIVE OPERATION12/05ZT370 Operation Manual 25REMOVING THE PROPELLERWARNINGThe remote control must be in NEUTRAL and the starter key removed from

ZT370 Operation Manual iZT370 Operation ManualTABLE OF CONTENTSPageIntroduction...

STERN-DRIVE OPERATION26 ZT370 Operation ManualCheck the Stern-Drive Oil Level*1: Quick Silver is a registered trademark of Brunswick Corporation.Note:

STERN-DRIVE OPERATION12/05ZT370 Operation Manual 27Figure 3*1: Quick Silver is a registered trademark of Brunswick Corporation.3. When replacing the c

STERN-DRIVE OPERATION28 ZT370 Operation ManualFigure 5 Fill the power trim pump fluidNote: The power trim fluid does not require changing unless it b

ZT370 Operation Manual 29ZT370 Operation Manual MAINTENANCEThis section of the Operation Manual describes the procedures for proper care and maintenan

MAINTENANCE30 ZT370 Operation ManualPERIODIC MAINTENANCECAUTIONEstablish a periodic maintenance plan according to the stern-drive application and make

MAINTENANCE12/05ZT370 Operation Manual 31TIGHTENING FASTENERSUse the correct amount of torque when tightening fasteners. Applying excessive torque may

MAINTENANCE32 ZT370 Operation ManualPERIODIC MAINTENANCE TABLE: Check or clean : Replace ●: Consult your authorized Yanmar Marine dealer or distribu

MAINTENANCE12/05ZT370 Operation Manual 33*1: If operating in only freshwater, this maintenance may be extended to every four months.*2: Every 250 hour

MAINTENANCE34 ZT370 Operation ManualGENERAL INSPECTIONInspect the stern-drive at regular intervals to help maintain top operating performance and corr

MAINTENANCE12/05ZT370 Operation Manual 35PERIODIC MAINTENANCE PROCEDURESPerform the following procedures on a weekly basis.• Checking the water inlets

TABLE OF CONTENTSii ZT370 Operation ManualStern-Drive Operation... 21Propeller Selection ...

MAINTENANCE36 ZT370 Operation ManualPerform the following procedures after the first 50 hours of operation.• Lubricating the engine coupler• Changing

MAINTENANCE12/05ZT370 Operation Manual 37Perform the following maintenance every 50 hours of operation.• Lubricate the engine coupler Lubricate the e

MAINTENANCE38 ZT370 Operation Manual Retorqueing the gimbal ring to steering shaft connectionTorque the gimbal ring locknuts (1, Figure 3) for the st

MAINTENANCE12/05ZT370 Operation Manual 39 Lubricating the engine couplerSee Lubricating the engine coupler on page 36. Checking the circuit for loos

MAINTENANCE40 ZT370 Operation Manual5. Before starting the engine, turn the steering wheel several times to starboard and then port to ensure that the

MAINTENANCE12/05ZT370 Operation Manual 41Perform the following maintenance every 250 hours of operation.• Touching-up the stern-drive paint and spray

MAINTENANCE42 ZT370 Operation ManualNOTICEAlways be environmentally responsible. Follow the guidelines of the EPA or other governmental agencies for t

MAINTENANCE12/05ZT370 Operation Manual 438. Remove the case plate cover (4, Figure 13), filter cover (3, Figure 13), magnet (2, Figure 13) and filter

MAINTENANCE44 ZT370 Operation Manual15.Remove the pump from the oil fill/drain hole. Quickly install the gasket and oil fill/drain plug. Torque the oi

MAINTENANCE12/05ZT370 Operation Manual 45 Lubricating the drive unit and universal-joint shaft splines and O-ringsWhen you remove the stern-drive uni

ZT370 Operation Manual 1ZT370 Operation ManualINTRODUCTIONWelcome to the world of Yanmar Marine! Yanmar Marine offers engines, stern-drive systems and

MAINTENANCE46 ZT370 Operation Manual Torqueing the rear engine mount boltsNote: Refer to the Engine Installation Manual and/or Operation Manual for f

MAINTENANCE12/05ZT370 Operation Manual 47Perform the following maintenance every year of operation.• Retorqueing the gimbal ring to steering shaft con

MAINTENANCE48 ZT370 Operation Manual Lubricating the cable and the linkagesSee Lubricating the shift cable (typical) on page 40. Touching-up the ste

ZT370 Operation Manual 49ZT370 Operation ManualTROUBLESHOOTINGNo. Problem Possible cause ActionReference page1 Remote control operates hard, binds, ha

TROUBLESHOOTING50 ZT370 Operation Manual3 Power trim does not operate (Electric motor does not operate)Blown fuse. Replace the fuse. 18Circuit breaker

ZT370 Operation Manual 51ZT370 Operation ManualLONG-TERM STORAGECOLD WEATHER (FREEZING TEMPERATURE), SEASONAL AND EXTENDED STORAGENOTICEYanmar strongl

LONG-TERM STORAGE52 ZT370 Operation Manual4. Place the stern-drive in the full DOWN/TRIM-IN position.CAUTIONThe stern-drive should be stored in the FU

ZT370 Operation Manual 53ZT370 Operation ManualSPECIFICATIONSStern-drive model ZT370Applicable engineYanmar BY3 series 6LPA series 8LV seriesReduc

SPECIFICATIONS54 ZT370 Operation Manual*1: Quick Silver is a registered trademark of Brunswick Corporation.Note: For engine/stern-drive performance, e

ڦMarine Operations Division Quality Assurance Dept. Overseas OfficeڦYanmar Europe B.V. (YEU)Brugplein 11, 1332 BS Almere-de Vaart, NetherlandsP

INTRODUCTION2 ZT370 Operation ManualRECORD OF OWNERSHIPTake a few moments to record the information you need when you contact Yanmar for service, part

0AZTD-EN0022STERN-DRIVEhttp://yanmar.com

ZT370 Operation Manual 3ZT370 Operation ManualSAFETYYanmar considers safety of great importance and recommends that anyone that comes into close conta

SAFETY4 ZT370 Operation ManualSAFETY PRECAUTIONSGeneral InformationThere is no substitute for common sense and careful practices. Improper practices o

SAFETY12/05ZT370 Operation Manual 5WARNINGExplosion HazardWhile the engine is running or the battery is charging, hydrogen gas is being produced and c