Two Workers For Maintenance When Engine Is Running - Komatsu D85EX-18 Operation & Maintenance Manual

SAFETY
• Lower the work equipment completely to the ground and
stop the engine before performing any inspection and
maintenance.
• Turn the starting switch to ON position, set work equip-
ment lock lever (2) to FREE position (F), operate the blade
control lever and the ripper control lever to RAISE and
LOWER position 2 to 3 times repeatedly to release the re-
maining pressure in the hydraulic circuit, then set parking
brake lever (1) and work equipment lock lever (2) to LOCK
position (L).
• Check that the battery relay is off and main power is not
conducted. (After turning the starting switch to OFF posi-
tion, wait for approximately 1 minute and press the horn
switch. If the horn does not sound, power is not conduct-
ed.)
• Block the tracks from movement.

TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING

To prevent accident, do not perform maintenance with the engine running. When it is necessary to perform the
maintenance with the engine running, always observe the following.
• One worker must always sit in the operator's seat and be ready to stop the engine at any time. All workers
must maintain contact with the other workers.
• Rotating parts such as the fan, fan belt are dangerous that they may easily catch a body part or an object
someone wears. Be careful not to come close to the rotating part.
• Never drop or insert tools or other objects into the fan, fan
belt, or other rotating parts. They may contact the rotating
parts and break, and be scattered. It is dangerous.
• If the automatic active regeneration of KDPF starts during
maintenance work, surroundings of KDPF become high
temperature. When performing maintenance work, perform
regeneration disable of KDPF according to "HANDLE Ko-
matsu Diesel Particulate Filter (KDPF) (3-103)".
PRECAUTIONS FOR MAINTENANCE
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