213210AAAA SJ46 AJ, SJ51 AJ, SJ63 AJ
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Section 4 – Inspections Before Operation Visual and daily maintenance inspections
4.2 Visual and daily
maintenance inspections
Do an inspection of the MEWP in this sequence.
WARNING
Do not operate a MEWP that does not function
correctly. Lock and tag the MEWP, and remove it
for servicing. Only a qualied service technician
must repair the MEWP. If you do not obey, there is
a risk of death or serious injury.
WARNING
Turn the main power disconnect switch to the
off position before you do the visual and daily
maintenance inspections. If you do not obey, there
is a risk of death or serious injury.
CAUTION
Make sure that the MEWP is on a rm, level
surface before you do the visual and daily
maintenance inspections. If you do not obey, there
is a risk of machine damage.
NOTE
When you do the visual and daily maintenance
inspections, make sure you do an inspection of
the limit switches, electrical components, and
hydraulic components.
4.2-1 Labels
Refer to Section 8 in this manual for the labels. Make
sure all the labels are in the correct location, are in good
condition, and you can read them.
4.2-2 Electrical
Do a check on these areas for chafed, corroded, and
loose wires:
▪
Boom to platform cable harness
▪
Engine compartment electrical panel
▪
Engine wiring harness
▪
Rotary manifold wiring.
4.2-3 Limit switches
Make sure the limit switches
1
are correctly attached
with no visible damage, and the movement is not
blocked.
4.2-4 Hydraulic
Do a check on these areas and make sure there are
no signs of leakage:
▪
Hydraulic tank lter, ttings, hoses, emergency-
power unit, turret and base surfaces
▪
Engine compartment ttings, hoses, primary
pump, lter, turret and base surfaces
▪
All hydraulic cylinders
▪
All hydraulic manifolds
▪
The ground area below the MEWP.
Limit switch locations
1
1