Echo SRM300E SRM300AE SRM400E SRM400AE and SRM402DE Trimmer Brushcutters Service Manual

Description

This Echo SRM300E SRM300AE SRM400E SRM400AE and SRM402DE Trimmer Brushcutters Service Manual provides service and maintenance information on ECHO SRM300E SRM300AE SRM400E SRM400AE and SRM402DE Trimmers. This Manual will help you understand how to locate defects, eliminate them, and prevent their repetition.

Includes the following information:

SERVICE INFORMATION
Specifications
Technical data
Service limits
Torque tables
Special tools

CONSTRUCTION AND WORKING PRINCIPLES
Nomenclature
Two-stroke engine
Carburetor
Ignition system

PRELIMINARY CHECKING AND TESTING
Checking spark plug
Checking cylinder compression
Checking spark
Checking cooling air passage
Checking fuel cap vent
Checking fuel and strainer
Checking muffler and exhaust port
Checking air cleaner
Adjusting carburetor

DISASSEMBLY AND INSPECTION
Removing engine parts
Removing cylinder and piston rings
Removing piston
Removing crankshaft
Replacing ball bearings
Repairing carburetor
Repairing recoil starter
Replacing clutch drum and/or ball bearing
Disassembling gear housing (SRM-300E)
Disassembling gear housing (SRM-400E&SRM-402DE)
Replacing throttle cable

ASSEMBLY, TEST, AND ADJUSTMENT
Assembling crankcase
Cutting excessive crankcase gasket
Installing piston
Installing piston ring/cylinder
Checking leakage from crankcase
Installing electrical parts
Checking electrical parts
Installing other engine parts
Adjusting throttle cable tension

TROUBLESHOOTING
Troubleshooting guide of GDI system
Troubleshooting guide
Disassembly and repair chart