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Check Hydraulic Oil Level
--- every 10 hours (daily)
IMPORTANT: If the oil level is not viewed in the level
gauge, immediately refill hydraulic oil up to the
appropriate level. Failure to do so may result in a
serious failure in the hydraulic system.
If the oil level is higher than the level gauge, drain oil
down to the appropriate level using a pump.
1. Park the machine following the same procedures as
described on page 7-8 for preparation of inspection/
maintenance work.
2. Check oil level with level gauge on hydraulic oil tank.
Float (1) must be between marks on the gauge. If
necessary, add oil.
f
NOTE: During cold weather season, check the oil level after
warming up the hydraulic oil by referring to the instructions
described in the "Warm up operation" group.
MAINTENANCE
7-50
1
Gauge
90Z7-7-39
1
90M4GB-07-160
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