Komatsu PC20R-8, Operation & Maintenance Manual

Page: 136 / 196

MAINTENANCE PLAN
134
4.7.5 MAINTENANCE EVERY 100 HOURS OF OPERATION
4.7.6 MAINTENANCE AFTER THE FIRST 250 HOURS OF OPERATION
(Operations to be carried out together with those prescribed at point “4.7.7
MAINTENANCE EVERY 250 HOURS OF OPERATION”)
4.7.7 MAINTENANCE EVERY 250 HOURS OF OPERATION
4.7.8 MAINTENANCE AFTER THE FIRST 500 HOURS OF OPERATION
(Only for machines in which the synthetic biodegradable oil type
HEES is used)
(Carry out these operations together with those to be performed every 500
HOURS, see “4.7.9 MAINTENANCE EVERY 500 HOURS OF OPERATION”)
4.7.9 MAINTENANCE EVERY 500 HOURS OF OPERATION
N. PART OPERATION PAGE
a Joint and ball-bearing ring articulations Lubricate 153
N. PART OPERATION PAGE
a Travel reduction gears Change the oil 164
b Engine valves Check the clearance 169
N. PART OPERATION PAGE
a Fan belt Check the fan belt condition and its tension 155
b Battery Check the electrolyte level 156
c Travel reduction gears Check the levels (n. 2) 156
d Hydraulic oil drainage filter Change 157
e Engine oil Change 158
N. PART OPERATION PAGE
a Hydraulic oil and suction filter
(Only for machines with synthetic biodegrad-
able oil) Change oil and clean filter 165
N. PART OPERATION PAGE
a Engine oil filter Change 159
b Fuel filter Change 160
c Fuel pump precleaner Change 161
d Radiators Clean the outside 162
e Hydraulic oil tank
(Only for machines with synthetic biodegrad-
able oil) Drain condensate 163