Isuzu AU-4LE1T, Maintenance Manual

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5. PERIODICAL INSPECTION AND MAINTENANCE
55
1. LUBRICATING SYSTEM
WARNING:
1. During inspection and service, a burn injury may occur due
to hot engine body, coolant or engine oil. For the sake of
safety, conduct service work after the engine is stopped
and cools down sufficiently.
2. It is very dangerous to inspect and service the rotating
parts. For the sake of safety, conduct service work after
the engine is stopped. Also, make sure that it is not
started during work.
Servicing of the engine oil or the oil filter element will affect on the engine
performance as well as the engine life.
Change the engine oil and the oil filter element periodically with the
specified ones. (Refer to 3.2. LUBRICANT.)
(1) Engine Oil and Oil Filter Element Change
Engine oil change and oil filter element change must be made
according to the following change schedule. For the engine equipped
with the oil filter warning lamp, if the lamp comes on while driving, the
filter element is clogged. Replace the element regardless of the change
interval.
Change interval
Engine Oil ················· Cartridge type : Every 250 operating hours
Remote filter type : Every 500 operating hours
Oil Filter Element ······ Every 500 operating hours