4.
Care and Maintenance
The MegaDumper is designed to give many years of service with minimal maintenance. In
the event a fault or malfunction does occur, refer to the Quick Troubleshooting Guide in
before contacting your Simpro agent for support.
Contact your agent in the first instance if repair or service work is required.
All repair and service work must be carried out by qualified personnel.
Replacement parts must be supplied by Simpro or an authorized Simpro agent, and must
be of the same design and specification as the original parts.
A detailed Service Manual giving specific testing and repair instructions is available on
request from Simpro.
4.1
Quick Troubleshooting Guide
Refer to the Quick Troubleshooting Guide below before contacting your agent for support.
Problem
Possible Causes
Remedy
See also
The motor
does not run,
and cradle
does not lift
Flat battery
The battery needs to be charged if
voltmeter reads less than 24 volts.
Triggered circuit
breaker (60A fuse
on older models)
Wait 1-2 minutes for circuit breaker to
auto-reset (or replace fuse). Avoid
operating machine with flat battery.
Faulty up/down
switch or wiring
Check and rectify; replace switch if
necessary.
Faulty 24VDC motor
solenoid or 415VAC
motor contactor
S l /c c h l ‘cl ck’
when the UP button is pressed
–
if not
it may need to be replaced.
Interlock switch on
door not working
Check interlocks and cabling;
replace if necessary.
The motor
runs, but the
cradle still
does not lift
Bin too heavy
Remove excess material from bin.
Pressure-relief valve
set incorrectly
Contact your agent for instructions
on adjusting the pressure-relief valve.
3-phase motor
running backwards
Swap over any two of the phase
wires in the plug.
The cradle
does not
come back
down from
the tipped
position
Cradle sticking in
masts
Spray inside of masts at top of slots.
Smear grease on top of the curved
tipping tracks. Lubricate roller arms.
Chains derailed
from chain guide
Remove access plates at top of
mast and realign chains onto guides
Faulty up/down
switch, wiring, or
lowering valve coil
Lowering valve
h l ‘cl ck’ wh
the DOWN button is pressed
–
if not,
check the up/down switch, wiring
and lowering valve coil.
The cradle
gets stuck
part way
down
Follower rollers not
turning freely
Lubricate rollers; replace if
necessary.
Roller arms twisted
or cradle sitting out
of level
Check and straighten roller arms;
replace if necessary.
