Yanmar ZT370 User manual

en
English
STERN-DRIVE
OPERATION MANUAL
ZT370

MODEL
OPERATION MANUAL CODE
All Rights Reserved, Copyright
ZT370
0AZTD-EN0022
Disclaimers:
All information, illustrations and specifications in this manual are based on the latest
information available at the time of publishing. The illustrations used in this manual
are intended as representative reference views only. Moreover, because of our
continuous product improvement policy, we may modify information, illustrations
and/or specifications to explain and/or exemplify a product, service or maintenance
improvement. We reserve the right to make any change at any time without notice.
Yanmar and are registered trademarks of YANMAR CO., LTD. in
Japan, the United States and/or other countries.
All Rights Reserved:
No part of this publication may be reproduced or used in any form by any means -
graphic, electronic, or mechanical, including photocopying, recording, taping, or
information storage and retrieval systems - without the written permission of
YANMAR CO., LTD.

ZT370 Operation Manual i
ZT370 Operation ManualTABLE OF
CONTENTS
Page
Introduction..................................................................... 1
Record of Ownership ................................................. 2
Safety............................................................................... 3
Safety Precautions ..................................................... 4
General Information ............................................. 4
Before You Operate............................................. 4
During Operation and Maintenance..................... 4
Product Overview ........................................................... 9
Overview .................................................................... 9
Owner/Operator Responsibilities ......................... 9
New Stern-Drive Break-In:................................... 9
Dealer/Distributor Responsibilities..................... 10
Component Identification ......................................... 11
Location of Serial Numbers ............................... 12
Corrosion Protection ................................................ 13
Galvanic Corrosion ............................................ 13
Corrosion Control .............................................. 13
Shore Power ...................................................... 13
Underwater Drive Coating ................................. 14
Additional Protection.......................................... 14
Gear Housing Anodic Plates ............................. 15
Ventilation Plate Anode .................................... 15
Trim Cylinder Anodes ........................................ 15
Propeller Shaft Anode ....................................... 15
Features and Controls.............................................. 16
Remote Controls................................................ 16
Power Trim ........................................................ 16
Stern-Drive Trim Angle ...................................... 17
Trim and Tilt/Trailering Switch ........................... 17
Electrical System ............................................... 18
Yanmar Cathodic Protection System................. 19
ZT370_OM.book i ページ ２０１３年９月２７日 金曜日 午前１０時１６分

TABLE OF CONTENTS
ii ZT370 Operation Manual
Stern-Drive Operation................................................... 21
Propeller Selection ................................................... 22
Installing the Propellers ............................................ 23
Removing the Propeller ............................................ 25
Daily Checks............................................................. 25
Visual Checks .................................................... 25
Check the Stern-Drive Oil Level......................... 26
Check the Power Trim Pump Fluid .................... 27
Maintenance .................................................................. 29
Periodic Maintenance ............................................... 30
The Importance of Periodic Maintenance .......... 30
Performing Periodic Maintenance ...................... 30
The Importance of Daily Checks ........................ 30
Yanmar Replacement Parts ............................... 30
Tools Required................................................... 30
Ask Your Authorized Yanmar Marine Dealer
or Distributor for Help ......................................... 30
Tightening Fasteners................................................ 31
Torque Charts........................................................... 31
Standard Torque Values .................................... 31
Torque Specifications......................................... 31
Periodic Maintenance Table ..................................... 32
General Inspection ................................................... 34
Power Trim Pump Fluid ............................................ 34
Periodic Maintenance Procedures............................ 35
Weekly ............................................................... 35
After Initial 50 Hours of Operation...................... 36
Every 50 Hours of Operation.............................. 37
Every 100 Hours of Operation............................ 37
Every 150 Hours of Operation............................ 40
Every 250 Hours of Operation............................ 41
Every 1000 Hours of Operation.......................... 46
Every Year ......................................................... 47
Every 2 Years..................................................... 48
Troubleshooting............................................................ 49
Long-Term Storage....................................................... 51
Cold Weather (Freezing Temperature),
Seasonal and Extended Storage.............................. 51
Stern-Drive Lay Up............................................. 51
Stern-Drive Recommissioning............................ 52
Specifications................................................................ 53
ZT370_OM.book ii ページ ２０１３年９月２７日 金曜日 午前１０時１６分

ZT370 Operation Manual 1
ZT370 Operation Manual
INTRODUCTION
Welcome to the world of Yanmar Marine!
Yanmar Marine offers engines, stern-drive
systems and accessories for all types of
vessels, from runabouts to sailboats, and
from cruisers to mega yachts. In marine
leisure boating, the worldwide reputation of
Yanmar Marine is second to none.
Yanmar stern-drives are designed for a
wide range of applications and are
designed to reduce vibration and make
your cruising more pleasurable.
To help you enjoy your Yanmar Marine
products for many years to come, please
follow these recommendations:
• Read and understand this Operation
Manual before you operate your vessel
to ensure that safe operating practices
and maintenance procedures are
followed.
• Keep this Operation Manual in a
convenient place for easy access.
• If this Operation Manual is lost or
damaged, order a new one from your
authorized Yanmar Marine dealer or
distributor.
• Make sure this manual is transferred to
subsequent owners. This manual should
be considered a permanent part of the
vessel and remain with it.
• Constant efforts are made to improve the
quality and performance of Yanmar
products, so some details included in
this Operation Manual may differ slightly
from your stern-drive. If you have any
questions about these differences,
please consult your authorized Yanmar
Marine dealer or distributor.
ZT370_OM.book 1 ページ ２０１３年９月２７日 金曜日 午前１０時１６分