Vestil HLD-94-10-S-DC handleiding
Handleiding
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Table of Contents 2/4/2022 HLD MANUAL
Table of Contents Copyright 2010 Vestil Manufacturing Corp. Page 9 of 19
TROUBLESHOOTING GUIDE
WARNING
DO NOT attempt to resolve any issue described below UNLESS the chute is in home position and the
power supply is disconnected.
Issue:
Possible cause(s):
Solution:
1. Power unit doesn’t run
when LIFT
RAISE button is
pressed.
1a.Transformer fuse is blown.
b. No supply voltage.
c. Upper-travel limit switch is
engaged or bad.
d
. Faulty connection in
control circuit.
e. Bad control transformer.
f. Open motor relay coil.
g
. (DC units) Low battery
voltage.
1a. Test with meter; replace if bad.
b
. Test with meter. Check fuses,
breakers, and overloads to determine
the cause.
c. Inspect and test switch. Replace if
bad.
d. Test all parts of circuit with meter.
e. Check for 24 VAC; replace if bad.
f. Test with meter; replace if bad.
g. Test with meter. Charge battery if
low (is motor relay LED on?)
2. Motor runs properly, chute
doesn’t move. Motor and
pump not noisy.
2a. Incorrect motor rotation.
b. Pump failure.
c. Low hydraulic fluid level.
2a. Verify motor shaft rotates
counterclockwise.
b. Consult factory for replacement.
c. Ensure reservoir is filled.
3. Motor or control enclosure
hums, chatters, or buzzes, or
some type of squeal can be
heard; the chute does not
move, or the chute moves
only slowly.
3a. See 2b above.
b
. Excess voltage drop to
motor due to power wire size
too
small, wire run too long,
or incoming voltage too low.
c. Motor is “single-phasing”.
d
. Pressure relief opening at
full pressure.
e
. Debris in the oil
preventing the lowering
valve or the check valve
from closing.
3a. Same as 2b.
b
. Check power installation for
adequacy. Check incoming voltage
while motor is running
. Correct
problem(s).
c. Determine cause of loss of voltage
on one phase; correct.
d
. Check for structural damage or
binding of the rollers, etc.
Check for chute overload condition.
e
. Remove and inspect. Clean the
valve with mineral spirits.
4. Chute elevates; then drifts
down.
4. See 3e above.
4. Same as 3e.
5. Chute lowers too slowly.
5a. Flow control spool is
stuck.
b. Pinched hose.
c
. Velocity fuse locking
(chute only slowly creeps
down).
5a. Remove plug from FC port; push
down on the center of the flow spool
to ensure it moves freely.
b. Check pressure, supply, and return
hoses for kinks.
c. Same as 7 (below).
6. Chute lowers too quickly.
6a. See 3e.
b. Flow control spool is stuck.
6a. Same as 3e.
b. Same as 5a.
7. Spongy or jerky chute
motion.
7. Air in the hydraulic
cylinders.
7. Bleed air per procedure described
in this manual.
!
Bekijk gratis de handleiding van Vestil HLD-94-10-S-DC, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.
Productinformatie
| Merk | Vestil |
| Model | HLD-94-10-S-DC |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 5109 MB |
