Victaulic VE414MC, Operating And Maintenance Instruction Manual

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TM-VE414/415MC_46 REV_D
TM-VE414/415MC / Operating and Maintenance Instructions Manual
TROUBLESHOOTING
Problem Possible Cause Solution
Pipe will not stay in grooving
rolls.
Incorrect pipe positioning Refer to the “Long Pipe Lengths” section.
Improper manual grooving technique. Refer to the “Short Pipe Lengths” section.
Pipe starts rotating during
grooving.
Rust or dirt has built up on the lower roll.
Remove any dirt or rust accumulation from the lower roll with a
stiff, wire brush.
Excessive ram speed.
The ram speed control valve requires
adjustment.
Reduce the ram speed to a lower setting. Turn the ram speed
control valve’s knob clockwise two to three revolutions to reduce
flow.
Worn grooving rolls. Inspect the lower roll for worn knurls. Replace lower rolls, if worn.
Pipe flare is excessive. Excessive ram speed. Reduce the ram speed to a lower setting.
The ram speed control valve requires
adjustment.
Turn the ram speed control valve’s knob clockwise two to three
revolutions to reduce flow.
The pipe support is adjusted too high. Check pipe levelness. Refer to the “Long Pipe Lengths” section.
The tool is tilted forward. Check tool levelness. Refer to the “Tool Setup” section..
Pipe is “over-tracking” due to incorrect pipe
support positioning.
Move the pipe support to the right. Refer to the “Long Pipe Lengths”
section.
The stabilizer is pushing the pipe to the left
and off center from the rolls.
Back off the stabilizer to the furthest point to where it still stabilizes
the pipe effectively. Refer to the “Stabilizer Adjustment” section.
Pipe sways or vibrates from
side to side.
Incorrect stabilizer adjustment. Move the stabilizer in or out until the pipe rotates smoothly.
While grooving, loud squeaks
echo through the pipe.
Pipe is “over-tracking” due to incorrect pipe
support positioning.
Move the pipe support to the right. Refer to the “Long Pipe Lengths”
section.
Pipe is not square cut. Cut pipe ends square.
While grooving, loud thumps
or bangs occur approximately
once every revolution of
the pipe.
Pipe has a pronounced weld seam.
Grind weld seams flush with the pipe surface inside and outside
2"/50.8 mm back from the pipe end.
The pump will not start, or the
lower roll will not rotate.
The main power is off. Turn the main power “ON.”
The thermal units have tripped. Reset the thermal units.
Fuses have blown. Check all fuses and replace, as necessary.
Tool comes up to operating
pressure extremely slow.
Air is in the hydraulic system. Bleed any air from the hydraulic system.
The upper roll will not rotate. Dirt is trapped between the roll and slide or
the retaining plate.
Remove the upper roll, and clean off any dirt. Re-install the upper
roll.
In the event of tool malfunction outside the scope of the troubleshooting section, contact Victaulic for
assistance.