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9.7 EVERY 100 HOURS MAINTENANCE
Perform this maintenance along with maintenance every 50hours.
[1] INSPECTING/REFILLING OF OIL LEVEL IN SLEWING REDUCTION GEAR CASE
• Various parts are at elevated temperatures immediately after engine operation. Do not
check the oil level immediately. Wait until the oil is cooled.
• Oil or plug may pop out due to the remnant pressure inside the case. Release the
pressure by loosening the plug slowly.
CAUTION
• See “INSPECTION AND MAINTENANCE 6.1 USE OF LUBRICATING OIL ACCORDING TO
TEMPERATURES” for the oil to be used.
• Use seal tape, etc. at the thread of the oil level check plug to stop the oil leak and
securely tighten the plug after checking/refilling the oil.
• Prepare a container to drain the oil.
• Have an Allen key ready.
1. Place the machine on a level and firm surface and raise
the boom to approx. 80 degrees.
2. Remove the oil level check plug (G) using the Allen key.
It is normal if the oil flows out of the plug hole.
3. If the oil level is low, refill the oil from the plug hole of
the filler plug (F).
NOTES
• Pour in the oil until it flows out of the oil level check plug
hole (G).
• Wipe off the oil that spilled during replenishment
completely.
4. Securely tighten the filler plug (F) and the oil level
check plug (G) after checking/refilling the oil.