Mitsubishi S12U User Manual

Chapter 5 PERIODIC MAINTENANCE CHART
5-3
Periodic Maintenance Chart for Engine in Regular Use
Table 5-1 Periodic maintenance chart for engine in regular use (1 / 5)
Service
interval
Service item Service contents Page
Every day
External
Inspect leakage and looseness of bolts and nuts.
Retighten bolts and nuts.
3-8
Fuel tank Inspect fuel level and drain water. 3-9
Fuel filters (wire-element) Clean inside of the filter by using handle. 3-8
Engine oil
Inspect oil level and add oil by using oil level
gage. Inspect level regulator operation.
3-9
Coolant
Inspect coolant level and add coolant by using
fluid level gage.
3-10
Air cleaner Inspect air cleaner indicator for element clog. 3-10
Air starter tank Inspect air pressure and drain water. 3-11
Operating condition
Check operating period, performance record,
sound, vibration and gage function.
3-13
Air cooler
Inspect water leakage from air cooler chamber
and drain water.
6-16
Every 500
service
hours
Fuel filters Drain water. 6-1
Fuel control linkage
Inspect ball joints, bolts and nuts for looseness
and smooth movement.
6-6
Engine oil
Inspect engine oil for mixing of fuel and water.
6-11
Analyze engine oil properties
(according to engine oil analysis service)
6-12
Change. 6-7
Oil filter and bypass oil filter Change. 6-7
Exhaust pipes and exhaust
muffler
Inspect and drain water. 6-16
Air starter compressor Drain water. 6-18
Zinc rod Inspect and change. 6-13
First 1500
service
hours
Valve clearance
Inspect and adjust (also inspect inside of rocker
chamber).
½
Camshafts and tappets Inspect. ½
Air cooler cover
Retighten air cooler cover mounting bolt (Also
after first 1500 service hours from gasket
replacement).
½
Every 1500
service
hours
Fuel filters Change. 6-3
Coolant Inspect LLC concentration. 6-14
Pre-cleaner Clean. 6-16
Air cleaner element Clean and inspect. 6-17
Air starter strainer Drain water and clean. 6-18

Mitsubishi S12U Specifications

General

Brand	Mitsubishi
Model	S12U
Category	Engine
Language	English