Komatsu 06253 Operation & Maintenance Manual page 421

Hydraulic mining shovel
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MAINTENANCE
Brake Housing - Change Oil (Siebenhaar)
1. Remove level gauge (8), illustration Z 25963, drain plug (9)
and breather filter (7). Drain the oil into a receptacle of
approx. 5 liter capacity.
2. Clean breather filter (7) with compressed air from inside to
outside and re-install.
3. Install drain plug (9) and fill-up engine oil SAE 10 or hydraulic
oil HLP 32 through filler opening up to the lower mark on level
gauge (8) and install the level gauge. DO NOT overfill the
brake housing, otherwise the brake could be damaged due to
overheating.
4. After short operating period check oil level and housing for
leaks.
NOTICE
Be sure to fill the brake housing and motor adapter housing
with engine oil or hydraulic oil as specified on page 245.
Motor Adapter Housing - Change Oil
1. Remove level gauge (6) and drain plug (5). Drain the oil into a
receptacle of approx. 5 liter capacity.
2. Install drain plug (5) and fill-up engine or hydraulic oil through
filler opening, up to the "MAX" mark on level gauge (6) and
install the level gauge.
3. After short operating period check oil level and housing for
leaks.
4.14 EVERY 3000 OPERATING HOURS HOWEVER AT LEAST ONCE A YEAR
421

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