TROUBLESHOOTING OPERATION
216 PW160-7H VEAM390100
CHASSIS
● Always contact your Komatsu distributor when dealing with
these items.
● In cases of abnormalities or causes which are not listed
below, please contact your Komatsu distributor for repairs.
Problem Main causes Remedy
Speed of travel, swing, boom, arm,
bucket is slow
● Lack of hydraulic oil ● Add oil to specified level, see
CHECK BEFORE STARTING
Pump generates abnormal noise
(sucking in air)
● Clogged element in hydraulic
tank strainer, lack of oil
● Clean, see EVERY 2000
HOURS SERVICE
Excessive rise in hydraulic oil tem-
perature
● Loose fan belt
● Dirty oil cooler
● Lack of hydraulic oil
● Check fan belt tension, replace
● Clean, see EVERY 500 HOURS
SERVICE
● Add oil to specified level, see
CHECK BEFORE STARTING
Bucket rises slowly, does not rise
● Lack of hydraulic oil ● Add oil to specified level,
CHECK BEFORE STARTING
Does not swing
● Swing lock switch engaged
● Control lever lock ON
● Release swing lock switch
● Turn OFF control lever lock
switch
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