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L510010-11

WATER FLOW DIAGRAMS - 15

From Sea

Water Pickup

Note: This diagram is for illustration purposes

only. The actual routing and/or shape of the hoses

may vary slightly depending on installation.

Drain Locations

- Engine Block Drains - Remove Knock Sensors

- Engine Circulating Water Pump Pipe - Remove Drain Plug

- Exhaust Manifolds - Remove Drain Plugs

- Transmission Cooler - Remove Inlet Hose

Figure 15-1 Direct Drive Raw-Water Cooling System HO303 / EX343

Default Chapter5
- Table of Contents5
Introduction7
- Registration Information (Warranty Registration Card Is Located at the Back of this Manual)7
- 3-Year Transferable Limited Warranty8
- Federal/California Emission Control Warranty Statement9
- PCM Inboard Marine Engine General Emissions Warranty Coverage10
- Safety Information13
- Replacement Parts13
- Safety Warnings13
Boating Responsibilities14
- Carbon Monoxide Hazard14
- Safe Boating Suggestions15
- Water Wisdom15
- Operation and Maintenance15
- Rules of the Road16
- Boating Responsibilities16
Engine Identification17
- Engine Identiﬁ Cation17
- Owner Identiﬁ Cation and Registration Information17
- Engine Model Identiﬁ Cation / Advisory18
Electronic Fuel Injection Information19
- Electronic Fuel Injection System19
Operating Instructions20
- Engine Alarm System20
- Instrumentation21
- Electronic Speed Control21
- Starting Engine (Fuel Injected Engines)21
- Shifting Transmission23
- Stopping Engine24
- Freezing Temperature Operation24
- Operation in High Debris Areas24
- PCM Basic Cruise Speed Control System25
- Operating Instructions26
Conditions Affecting Operation27
- Trim and Weight Distribution27
- Boat Bottom27
- Propeller Selection28
- Conditions Affecting Operation28
Engine Break-In Period29
25-Hour Engine Inspection30
Fuel Requirements31
- Gasoline Requirements31
- Gasoline Containing Alcohol31
Oil Requirements32
- Engine Oil Recommendations32
- Transmission and "V"-Drive Oil Requirements32
Engine Maintenance33
- Checking Fluid Levels33
- Lubrication35
- Electrical System Relay and Fuse Block36
- Electrical System Fuses36
- Boat's Ignition Fuse36
- Electrical System Wiring and Connectors36
- Battery36
- Fresh Water Cooling System Sacriﬁ Cial Zinc Anode37
- Checking Coolant Level38
- Flushing Cooling System - Sea-Water Section38
- Testing Coolant for Alkalinity38
- Draining Fresh-Water Cooling System39
- Filling Fresh-Water Cooling System40
- Cleaning Sea-Water Section of Heat Exchanger (Fresh-Water Cooled Applications Only)43
- Fuel System Description44
- Fuel Control Cell (FCC) Fuel System44
- Servicing the FCC45
- Primary Fuel Filter (FCC Clamp-On Canister)45
- Servicing Fuel Pre-Filter47
- Priming Fuel System47
- Flame Arrestor48
- Accessory Drive Belt48
- Servicing Raw Water Pump Impeller49
- Changing Oils50
- Engine Alignment51
- Engine Maintenance Log55
- Maintenance Schedule56
- Maintenance Schedule57
- Visual Inspection58
- Engine Fluid Capacities58
- Transmission Fluid Capacities58
- Filter and Accessory Requirements59
- Engine Maintenance59
Engine Specifications60
- Engine Specifications62
Out-Of-Season Storage63
- Engine Storage63
- Draining Instructions64
- Battery Storage64
- Recommissioning after Storage65
- Out-Of-Season Storage65
Troubleshooting66
- Troubleshooting68
Raw Water Flow Diagrams69
Heater Connections81
- Heater Connections82
Instrumentation Wiring Diagram83
Literature84
Forms85
- Forms88
Notes89

Brand	PCM
Model	HO303 MPI
Category	Engine
Language	English

PCM HO303 MPI User Manual

Table of Contents

Questions and Answers:

PCM HO303 MPI Specifications

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