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Ma ntenance and Inspect on
9. Maintenance and Inspection
WARNING - The equipment must be inspecte
accor ing to the requirements of this section. Failure
to properly inspect the equipment coul lea to
severe injury or eath. The equipment must be
remove from service an inspecte imme iately if it
is subjecte to an abnormal loa or a shock loa . If
any irregularities or problems are etecte uring an
inspection, the equipment must be remove from
service imme iately an repaire . Contact the
manufacturer at the numbers an a ress printe on
the back cover of this manual.
9. Inspection
The owner must inspect, or appoint a knowle geable
person to inspect the unit for signs of corrosion an / or
excessive wear. Visual inspection shoul be ma e
before each use of the unit, checking for abnormal
con itions. Regular inspections shoul be ma e weekly
for aily use an monthly for intermittent use. Each unit
must be inspecte imme iately if subjecte to an
abnormal loa or shock. Any unit which appears to be
amage in any way, is foun to be ba ly worn, or
operates abnormally shall be remove from service until
necessary repairs are ma e.
Inspect the oor for closure an oor han le latching
operation. The oor shoul close easily an the oor
han le shoul loosely latch with a 90- egree rotation
of the oor han le. Further 90- egree rotation of the
han le shoul clamp the oor shut an actuate the
control valve. There shoul be the soun of air
flowing for up to 45 secon s until the ram is fully
lowere an the air pressure in the ram cylin er
equalizes with the air supply.
After the air stops flowing, check the unit for
excessive leaks. An excessive leak is a leak which
can be hear an which egra es the performance
of the unit. Minor leaks o not a versely affect the
operation of the unit.
Unlatch the oor an the air shoul exhaust from the
ram cylin er. The oor shoul not open until the ram
has returne to its fully raise position
(approximately 10 secon s).
Inspect crushing chamber for amage or worn parts.
If any irregularities or problems are etecte uring
an inspection, the unit must be remove from service
imme iately an repaire . Contact the manufacturer
using the contact information on the back cover of
this manual.
9.2 Maintenance instructions
WARNING - All inspection an maintenance proce ures
must be performe after the equipment has been remove
from service. Failure to o this may result in personal injury
an /or property amage.
All warning an capacity labels shoul be rea able
an complete. Wash external surfaces of jack, labels,
an ecals with a mil soap solution.
Lubricate all rotating an sli ing portions of the jack
monthly.
9.3 Control valve actuation adjustment
Note: The setscrew on the oor that actuates the
control valve an the pawl on the oor han le latch
are a juste at the factory an shoul never nee
a justment.
1. Make sure the two screws securing the control valve
on the right han si e of the unit are tight. Make sure
the two screws securing the han le latch to the oor
are tight an the two jam nuts securing the latch pawl
to the stem are tight.
2. Loosen the jam nut securing the set screw on the
oor an back the setscrew out. Close oor an turn
oor han le fully clockwise to soli ly latch the oor.
3. Using a hex wrench, slowly tighten the setscrew until
the top platen lowers an there is no air leakage
etecte aroun the spool of the control valve.
Tighten the setscrew 1/2 turn further an secure the
setscrew with the jam nut.
4. Rotate the latch han le 1/4 turn counterclockwise.
The air shoul exhaust an the ram shoul retract, but
the pawl shoul remain loosely engage with the oor
close .
5. Rotate the latch fully counterclockwise an the oor
shoul open. Repeat steps 2 through 5 if the oor
oes not operate correctly.