7-6
Chapter 7 MAINTENANCE SCHEDULE
Every year
Engine Proper
Belt and Belt Tension - Inspect and Adjust 8-2
Bolts and Nuts on the Engine Exterior - Check and
Retighten
*2
Valve Clearance - Inspect and Adjust
(Check valve mechanism at the same time.)
*2
Vibration-isolating Rubber - Inspect *1 *2
Foundation Bolts - Inspect *1 *2
Couplings - Inspect or Replace *1 *2
Fuel system
Fuel Tank - Drain Water *1 8-7
Water Separator - Drain Water *1 *2
Fuel Injection Nozzle Spray Condition and Spray Pres-
sure - Inspect and Adjust
*2
Fuel Injection Timing - Inspect and Adjust *2
Fuel Pipe - Inspect 8-12
Lubrication Sys-
tem
Oil Pipe - Inspect 8-16
Engine Oil Properties - Analyze *2
Engine Oil Pressure (Maintenance Operation) - Inspect
and Adjust
*2
Cooling System
water pump - Inspect *2
Solenoid Valve and Pressure Reducing Valve of Cooling
System - Inspect, Disassemble and Clean *1
*2
Strainer (Including With Ball Tap) of Cooling Water -
Inspect, Disassemble and Clean *1
*2
Coolant Properties (When Only Soft Water is Used) -
Inspect (Change Coolant Based on Analysis Results)
*2
Air intake system
Air Cleaner Element - Clean, Check and Replace *1 8-22
Pre-cleaner - Clean, Inspect and Replace *1 8-21
Every year
Electrical System
Starter - Inspect 8-26
Alternator - Inspect 8-26
Specific Gravity of Battery Electrolyte - Check *1 3-8
Auxiliary Devices Operation - Check *1
High coolant temperature, low oil pressure, overspeeding, starting failure,
water supply failure, undervoltage, overvoltage, overcurrent, low coolant
level in tank, low fuel level in tank, etc.
*2
Auxiliary Devices Operation - Check *1
Engine control devices, fuel transfer pump, governor motor, room ventilating
fan, solenoid, storage pump, water tank ball tap, water heater, oil heater, oil
priming pump, etc.
*2
Table 7-2 Periodic Maintenance Chart for Emergency Engine
Inspection and maintenance intervals and items inspected/maintained
Refer-
ence
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