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Symptom
2. Air leaks out around
cylinder shaft near blade.
3. Air leaks out the 5-way
valve (V015S) exhaust.
4. Air leaks around one of the
valves, V002, V005 or
V015S.
5. Blade goes down, but will
not return.
6. Blade fails to open can
completely.
7. Lid does not fall out of
knife.
8/4/2010
The cover must be removed to pinpoint leaks. Worn seals
usually cause cylinder end leaks and the cylinder must be
removed and repaired or replaced.
The valve (V015S) probably needs repair or replacing.
Remove cylinder top hose to check if only the valve
(V015S) is faulty. If cylinder piston seals are bad, air will
come out of the top cylinder port.
Check to be sure all connections are tight and hoses are
pushed all the way on. If the three way valves are stuck or
worn out they can leak around the actuating stem.
Disassembly and cleaning is possible but replacement is
recommended.
a. V002 valve stuck in and/or
b. V005 valve stuck in and/or
c. V015S valve stuck in open position and/or
d. Cylinder (C185) seized in down position. Repair or
replace factory parts.
a. Inspect blade for damage – replace or return to the
factory for reconditioning.
b. To check cylinder stroke, hold both buttons down –
blade should come down at least 1-1/2" to the points or
3/8" to the valley. Cylinder may be loose, binding or
filled with water or oil and hydraulically locked, repair
or replace as necessary.
c. To adjust the head height – loosen bolts in back and
adjust head to correct height or slightly closer being sure
to keep the gap between guard ring and can even on
both sides.
d. If the lid is still attached near the front or back, check
the gap there, excessive variation before operation or
too much flexing during operation can be caused by a
bent frame or broken welds (be sure knife is good and
you have 85 psi of pressure). Return to factory for
repairs if frame is damaged.
a. Bent or broken knockout pin. Repair or replace.
b. Damaged blade holding the lid. Repair or replace.
Page 6 of 8
M098 – REV B (JULY 2006)
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