Preparations For Inspection And Maintenance - Hitachi ZW 310-6 Operator's Manual

Preparations for Inspection and Maintenance

d
WARNING: If ride control switch (3) (option) is in
the AUTO position, the lift arm may unexpectedly
rise. To avoid an accident due to unexpected
movement of the lift arm and bucket, always turn
ride control switch (3) OFF before beginning the
inspection and/or maintenance of the machine.
d
CAUTION: If the machine is unexpectedly moved,
a serious accident may result. Be sure to apply the
parking brake when parking the machine.
Unless specified otherwise, park the machine by following
the procedures below before beginning the inspection
and/or maintenance work.
1. Park the machine on a solid level surface.
2. Lower the working tools such as the bucket level to
the ground.
3. Turn ride control switch (3) OFF.
4. Place forward / reverse lever (4) and forward/reverse
switch to neutral and place neutral lever lock (6) to
lock ( ) position.
5. Apply the parking brake (Turn parking brake (5) ON.)
6. Chock the tires.
7. Run the engine at low idle speed for a few minutes
to cool the engine. Turn key switch (7) OFF to stop
the engine. Again, turn key switch (7) ON and place
control lever lock switch (2) to the unlock ( )
position. Fully operate the lift arm and bucket control
levers (1, 8) 3 to 4 strokes to release residual pressure
in the hydraulic system.
In case inspection and/or maintenance must be
performed with the engine running, use a signal
person.
8. Be sure to place control lever lock switch (2) to the
lock ( ) position.
9. Turn key switch (7) OFF and remove the key.
10. Start working only after putting an "UNDER
INSPECTION/MAINTENANCE" tag in a highly visible
place such as on the cab door or the control lever.
MAINTENANCE
8
4
7-7
1 2 3
5 6
5
ON
OFF
MNEC-07-001
7
MNEC-01-036
MNEC-01-058-KC