Huvema CRDM 3050 x 16/1, Руководство по эксплуатации

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5. Troubleshooting
Symptom Possible cause Corrective action Remark
Main motor
does not turn
when pushing
the
startup
button.
Main switch is not switched
on
；
startup button does not
connected well; contactor does
not attract; junction box of the
main motor and connected
point are not connected well or
joint break off.
Open the main switch, check
the joint of the startup button;
check every connected point
of contactor in the junction
box,
and connect them.
Replace bad one with new
one if necessary.
spindle speed
change
operation
handle
has
fault
Speed change oil pump is
single direction, the motor’s
turning is wrong, the pump
does not inhale the oil, so it can
not drive the shifting fork to
push friction disk up or down Change random two wires of
the main motor.
The spindle
and surface
of
the
machine
leak oil.
There is too much oil in the oil
box, it leaks from the top of the
bearing
house.
Do not exceed the mark when
adding oil.
Lead screw
of box leaks
oil.
There are too much oil in the
oil box,, the redundant oil leak
out from the bearing on the
screw. Oil according to the mark, do
not exceed the mark.
The
headstock
can not be
clamped.
The clearance of 55° guide
way between headstock and
rocker is too big; the position
of clamp block 3 is wrong;
the connection between the
clamp oil cylinder and
brake
frame leaks oil or oil pipe 1
leaks oil; magnitude of
interference of rhombic block
is not enough, it can not
self-lock.
Adjust bolt 5 to make the
clearance between the 55°
guide ways not more than
0.04mm,(check with the 0.04
clearance ga(u)ge); in the
state of looseness, loosen bolt
2 and adjust clamp block 3 to
appropriate
position, then
tighten bolt 2 again.
see
Fig.7.1