Komatsu 06253 Operation & Maintenance Manual page 307

Hydraulic mining shovel
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MAINTENANCE
4.9 EVERY 50 OPERATING HOURS OR WEEKLY
SPUR GEAR BOX - CHECK OIL LEVEL
Check oil level by removing oil level plug (4).
Oil level should be at lower edge of opening (4), if necessary add
oil through filler opening (5). Install level and filler plug (4 and 5).
Check breather filter (13) for restriction. If necessary, remove
breather filter, blow out with compressed air from inside to outside
and reinstall.
BRAKE HOUSINGS - CHECK OIL LEVEL
Check oil level by removing oil level plug (7). Oil level should be at
lower edge of opening (7). If necessary Add oil through filler
openings (8) and install plugs (7) and (8).
MOTOR ADAPTER HOUSING - CHECK OIL LEVEL
Check oil level by removing oil level plug (10).
Oil level should be at lower edge of opening (10). If necessary,
remove connector (11) for breather filter line and add oil through
filler opening. Install level plug (10) and screw in breather filter
line connector (11). Check breather filter inside the center frame
for restriction. If necessary, remove breather filter, blow out with
compressed air from inside to outside and reinstall.
MILEAGE INDICATOR (Special Equipment)
The mileage indicator is fitted to the center bore of the spur gear
box.
NOTICE
Travel gears, Brake- and Motor adapter housings have to be
filled with different types of oil. Refer to page 245 for the cor-
rect oil specifications.
307

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