79REGULAR CHECKS AND MAINTENANCE WORK
A Pressure of compressed air must be under 205 kPa
(2.1 kgf/ , 30 psi).
A If the filter is very dirty, replace the air filter.
BChecking Air-Conditioner Condenser
Check air conditioner condenser to be sure it is clean from
debris.
EVERY 250 SERVICE HOURS
Do all 50 hour servicing at the same time.
BGreasing Front Attachments (without
Bucket Pin and Boom Swing Fulcrum)
To avoid personal injury or death:
A First lower all attachments on the ground then
stop the engine and remove the key.
A While greasing, take care not to step on the
bucket teeth.
A When doing excavation work in water, generously
grease the following points. After ending work, grease
again.
Grease the marked grease fittings shown by arrows in the
illustration below.
(1) Filter (A) "AIR-CONDITIONER AIRFLOW"
(1) Air conditioner condenser
(1) Boom bottom linkage
(2) Arm bottom linkage
(3) Boom cylinder boss
(4) Boom cylinder pin
(5) Arm cylinder pin
(6) Bucket cylinder pin
(1) Swing cylinder boss
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