21
22
For initial
application
⑨
Other
6
．
Regular replacement of key safety components
Service life
(1-2 years)
(1-2 years)
2-4 years
2 years
2 years
1 years
Components
Brake hose
Hydraulic hose (lifting system)
Lifting chain
High-pressure hose (hydraulic system)
Internal seals, rubber parts
Handle connecting wire
Maintenance
Check
point
Check
item
Every day
(8 hours)
Weekly
(50 hours)
Monthly
(200 hours)
Quarterly
(600 hours)
Every half year
(1200 hours)
Check the
internal and
external
mast for weld
seam, crack
and damage
Check the
lift support
for weld seam,
crack and
damage
Is the roller
bearing
loose
Is the mast
support
casing tube
worn or
damaged
Are
tightening
bolts for
mast
bracket
loose
Check if the
round-head
bolts and
U-bolts
of hydraulic
cylinder and
piston rod
and piston
rod guide
bolts are
loose
Check if the
roller, roller
pin and weld
for cracks
For initial
application
Check
point
Check
item
Tool
Every day
(8 hours)
Weekly
(50 hours)
Monthly
(200 hours)
Quarterly
(600 hours)
Every half year
(1200 hours)
Emergency
stop
switch
Raise and
lower
button
Horn
Instrument
Cable
and
wire
Check if
its
function
is normal
Check if
its
function
is normal
Check if its
function is
normal
Check if its
function is
normal
Worn or
loose
If wiring is
poorly
connected
In order to improve the safety for operating the vehicle, the components listed in the following table
should be replaced regularly. If abnormalities found before replacement period is expired, replace
the parts immediately.
T12 Series Electric Stackers
Maintenance
