Chapter 5
PERIODIC MAINTENANCE CHART
5-8
Periodic Maintenance Chart for General-Purpose Power
Supply Engine
Table 5-3 Periodic Maintenance Chart for General-Purpose Power Supply Engine (1 / 2)
Service item
Page
Every 50 ser-
vice hours or
every month
Draining Water Air Starter Strainer
6-15
After first 50
service hours
for new engine
Retightening External Bolts and Nuts for Looseness
∗
Changing Engine Oil, Oil Filters and Bypass Oil Filter
(It is recommended to analyze engine oil properties at the same time.)
(Change the oil filters whenever the filter alarm turns on.)
Every 250 ser-
vice hours or
every year
Inspection of V-belt and Adjustment of Belt Tension
6-2
Changing Engine Oil, Oil Filters and Bypass Oil Filter
(It is recommended to analyze engine oil properties at the same time.)
(Change the oil filters whenever the filter alarm turns on.)
Changing Governor Oil Filter
Inspection and Cleaning Radiator Fins
Draining Water From Exhaust Muffler
Inspection Safety Valve of Air Tank
6-15
First 250 ser-
vice hours for
new engine
Inspection and Adjustment of Valve Clearances
(Check the valve mechanism and parts at the same time.)
∗
Every 1000 ser-
vice hours or
every 2 years
Cleaning Air Starter Strainer
6-15
Change zinc rods.
∗
Every 2000 ser-
vice hours or
every 3 years
Retightening External Bolts and Nuts
∗
Inspection and Adjustment of Valve Clearances
(Check the valve mechanism and parts at the same time.)
∗
Inspection and Adjustment of Fuel Injection Timing
∗
Replacement of Fuel Injection Nozzle Tips
(Inspect and adjust spray condition and fuel injection pressure after replace-
ment).
∗
Checking Operation of Protection Devices
∗
Every 4000 ser-
vice hours or
every 5 years
Overhaul of Top End of Engine
Remove the cylinder head, and inspect and service the combustion cham-
bers.
•
Disassemble, inspect and service the cylinder head.
•
Inspect the intake and exhaust valves, and lap the valves against seats
•
Visually inspect the top surface of each piston.
•
Inspect the cylinder liner surfaces.
∗
Inspection of Fuel Control Linkage Ball Joints
Cleaning Air Cooler
∗
Wash heat exchanger
∗
Items marked with
∗
require special tools or large equipment. For servicing of these items, consult a Mit-
subishi dealer.