Yanmar ZT350 series User manual

ZT350
series
OPERATION MANUAL
P/N: 0AZTD-G00100
STERN-DRIVE

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 Marine International.
© 2008 Yanmar Marine International
0108
ii ZT350 Operation Manual
© 2008 Yanmar Marine International

TABLE OF
CONTENTS
Page
Introduction .............................................................. 1
Record of Ownership .............................................. 2
Safety ....................................................................... 3
Safety Precautions ................................................. 3
General Information ......................................... 4
Before You Operate ......................................... 4
During Operation and Maintenance ..................... 5
Product Overview ..................................................... 11
Overview ............................................................ 11
Owner / Operator Responsibilities ...................... 11
New Stern-Drive Break-In: ................................ 11
Dealer / Distributor Responsibilities .................... 11
Component Identification ........................................ 12
Location of Serial Numbers .............................. 13
Corrosion Protection .............................................. 14
Galvanic Corrosion ......................................... 14
Corrosion Control ........................................... 14
Shore Power ................................................. 14
Underwater Drive Coating ................................ 15
Additional Protection ....................................... 15
Gear Housing Anodic Plates ............................. 16
Ventilation Plate Anode ................................... 16
Trim Cylinder Anodes ...................................... 16
Propeller Shaft Anode ..................................... 16
Features and Controls ........................................... 17
Remote Controls ............................................ 17
Power Trim ................................................... 17
Stern-Drive Trim Angle .................................... 18
Trim and Tilt / Trailering Switch ......................... 18
Electrical System ........................................... 19
ZT350 Operation Manual iii
© 2008 Yanmar Marine International

Stern-Drive Operation ............................................... 21
Propeller Selection ................................................ 23
Installing the Propellers .......................................... 24
Removing the Propeller .......................................... 25
Daily Checks ....................................................... 26
Visual Checks ............................................... 26
Check the Stern-Drive Oil Level ......................... 26
Check the Power Trim Pump Fluid ..................... 27
Maintenance ............................................................ 29
Periodic Maintenance ............................................ 32
The Importance of Periodic Maintenance ............. 32
Performing Periodic Maintenance ...................... 32
The Importance of Daily Checks ........................ 32
Yanmar Replacement Parts .............................. 32
Tools Required .............................................. 32
Ask Your Authorized Yanmar Marine Dealer or
Distributor for Help ......................................... 32
Tightening Fasteners ............................................. 32
Torque Charts ...................................................... 33
Standard Torque Values .................................. 33
Torque Specifications ..................................... 33
Periodic Maintenance Table .................................... 34
General Inspection ................................................ 36
Power Trim Pump Fluid .......................................... 36
Periodic Maintenance Procedures ............................ 37
Weekly ........................................................ 37
After Initial 50 Hours of Operation ...................... 38
Every 50 Hours of Operation ............................. 39
Every 100 Hours of Operation ........................... 39
Every 250 Hours of Operation ........................... 43
Every Year .................................................... 47
Troubleshooting ....................................................... 49
Long-Term Storage ................................................... 51
Cold Weather (Freezing Temperature), Seasonal and
Extended Storage ................................................. 51
Stern-Drive Lay Up ......................................... 51
Stern-Drive Recommissioning ........................... 52
TABLE OF CONTENTS
iv ZT350 Operation Manual
© 2008 Yanmar Marine International

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 contact your authorized Yanmar
Marine dealer or distributor.
ZT350 Operation Manual 1
© 2008 Yanmar Marine International