Hitachi ZX 38U-5A Technical Manual page 29

Practice Safe Maintenance
 Inspection/maintenance work may produce hazardous
situations by contacting and/or accessing a part of body
to a moving, high pressure, and/or high temperature part
of the machine. To avoid serious personal injury or death,
follow the instructions described below.
 Thoroughly coordinate the working procedures to be
taken hereafter with the co-workers before beginning
work such as inspecting/servicing the machine, or
replacing the attachment.
 Safely park the machine in accordance with the
instructions for "Park Machine Safely. "
 Keep the work area clean and orderly.
 Attach a "DO NOT OPERATE" tag in an easy-to-see location
such as on a door or a control lever.
 If moisture permeates into the electrical system,
malfunction and/or erroneous movement of the machine
may result. Do not clean sensors, cable connectors, and
the cab inside using water and/or steam.
 Wait to begin to work until the engine and hydraulic oil
temperatures have cooled down to the safety range.
 In case inspection/maintenance must be performed with
the engine running, be sure to appoint an overseer.
 Never lubricate or service the machine while moving it.
 Repair the cracked windowpane before servicing the
machine. Failure to do so may cause personal injury.
 When raising the machine above the ground using the
front attachment function, maintain the angle between
the boom and the arm in the range of 90 to 110°. Never
allow anyone to enter under the machine raised with the
front attachment function.
 In case working under the machine raised above the
ground is unavoidably required, securely hold the
machine with stays or blocks strong enough to support
the machine weight.
 Never work under the raised bucket.
 Keep all parts in good condition and properly installed.
 Always use the specified tools correctly.
 Always use a clean tool.
 Fix any damage found immediately. Replace worn or
broken parts.
 Remove any buildup of grease, oil, or debris.
 When cleaning parts, use a non-combustible cleaning
solvent. Never use an inflammable fluid such as diesel
fuel, or gasoline.
SAFETY
SA-23
90 to 110°
SA-028
M1M7-04-006
SA-527