Periodic Inspections And Adjustments; Introduction; Maintenance Intervals Chart; Periodic Maintenance/Lubrication Intervals - Yamaha EF2800i Service Manual

INTRODUCTION/MAINTENANCE INTERVALS CHART/

PERIODIC MAINTENANCE/LUBRICATION INTERVALS

PERIODIC INSPECTIONS AND ADJUSTMENTS

INTRODUCTION

This chapter includes all information necessary to perform recommended inspections and adjust-
ments. These preventive maintenance procedures, if followed, will ensure more reliable machine
operation and a longer service life. The need for costly overhaul work will be greatly reduced. This
information applies to machines already in service as well as new machines that are being prepared
for sale. All service technicians should be familiar with this entire chapter.

MAINTENANCE INTERVALS CHART

Proper periodic maintenance is important. Especially important are the maintenance services
related to emissions control. These controls not only function to ensure cleaner air but are also vital
to proper engine operation and maximum performance. In the following maintenance tables, the
services related to emissions control are indicated as "*" in the chart.
PERIODIC MAINTENANCE/LUBRICATION INTERVALS
Item
Check condition, adjust gap and clean.
*Spark plug
Replace if necessary.
*Valve clearance Check and adjust when engine is cold.
*Crankcase breather Check breather hose for cracks or damage.
system Replace if necessary.
*Idle speed Check and adjust engine idle speed.
Check for leakage.
Retighten or replace gasket if necessary.
*Exhaust system
Check muffler screen and spark arrester.
Clean/replace if necessary.
Check oil level.
Engine oil
Replace.
*Air filter Clean. Replace if necessary.
Clean fuel cock and fuel tank filter.
Fuel filter
Replace if necessary.
Check fuel hose for cracks or damage.
Fuel line
Replace if necessary.
*Choke knob Check choke operation.
Cooling system Check for fan damage.
Starting system Check recoil starter operation.
*Decarbonization More frequently if necessary.
Check all fittings and fasteners.
Fittings/fasteners
Correct if necessary.
*: Related to emission control system.
Pre-Opera-
Remarks tion check
2-1
Initial
1 month or 3 months
(daily)
20 Hr or 50 Hr
INSP
ADJ
Every
6 months 12 months
or 100 Hr or 300 Hr