at top of stroke and to prevent "Clicking" of clutch pin. Left hand end of main shaft and leg are marked (see Fig.
to indicate correct position
of main shaft when crosshead
is at top
Misalignment of these marks indicate
that brake adjustment is required.
If the mark on the shaft stops to the
left of the mark on the leg,
loosening of the brake is indicated.
If the mark on the shaft stops to
the right of the mark on the leq,
tightening is indicated. CAUTION: Brake
will overheat if adjustment is
too tight. Brake band must be kept
dry and free of oil, grease, etc.
Brake should be checked occasionally
to maintain correct adjustment.
Gibs are located inside of lqgs at top to provide adjustable bearing surfaces for crosshead ways and are adjusted
by means of 3 set screws "G" Fig. 1 with locking nuts. Adjustment
too loose will prevent accurate
shearing of material. Adjustment
too tight will cause crosshead
to "freeze". For correct
adjustment, bring all set screws
"G" to snug tight, set
clearance at .002" at top and
bottom of crosshead bearing
with feeler gauge.
X. Blades are four edge type. Turn
end for end-or rotate to provide
when all four cutting edges have
been used. To rotate blades, turn
power off. To remove upper
blade first, dismount holddown
(See holddown instruction sheet). CAUTION Use blocks of wood between upper blade and bedblade (one
piece at each end) to prevent blade from dropping. Remove all blade bolts (workfrom ends to center.) Rotate
blade or turn end for end to get new edge into cutting position. WARNING:Wear gloves when handling blades
and use care to prevent damage to blades. Avoid contact with all other materials except wood when blades are
removed from shear. With new cutting