User Manual
// Simpro Dumpmaster®
Original Instructions // English // v119.0 // October 2022 // Page
30
3.8
Safety door and interlock
3.8.1
Side-hinge safety door (standard)
The standard Dumpmaster is fitted with a single side-hinge safety door, consisting of a steel
tube frame with 25x25x2mm wire mesh guarding. This door is very simple and robust, but will
benefit from servicing every 12 months as follows:
1.
Lightly lubricate the door pivot points with silicone spray.
2.
Check the door safety interlock
to ensure it works as intended, as follows:
a.
Raise the cradle off the ground slightly and try to open the door. If it can
open, the switch operated by the cradle may need adjusting or replacing.
Contact your agent for instructions.
b.
Open the door, then press the RAISE and LOWER buttons to verify that the
machine does not run. If it does, contact your agent for instructions.
3.
Check that all fixings are tight.
3.8.2
Swing-up safety door (custom)
Dumpmaster can be optionally specified with a swing-up safety door, which consists of a
steel tube frame with wire mesh or sheet-metal guarding, supported by two gas struts. This
type of door takes up a minimum of space, but has several moving parts and will benefit
from annual servicing as follows:
1.
Lubricate the arm pivot points with silicone spray (both ends of all four arms).
2.
Check the safety door interlocks to ensure they work as intended:
a.
Raise the cradle 100mm off the ground and try to open the safety door. If it
can open, the cradle-position sensor and/or the door interlocks may need
adjusting or replacing. Contact your agent for instructions.
a.
Open the door, then press the RAISE and LOWER buttons to verify that the
machine is now disabled. If it is not, contact your agent for instructions.
3.
Ensure the retainer caps on the arm pivot bars are in place, and all fixings are tight.
4.
The gas struts are designed to balance the weight of the door throughout its travel,
and hold it open. Over time, the gas in the struts can leak out, resulting in reduced
lifting force. If the struts do not hold the door open, they may need to be replaced.
3.8.3
Safety door interlock
The standard Dumpmaster safety door is fitted with a solenoid-operated safety interlock. The
interlock is an Idec model HS5E-D4403-G or HS5E-F4403-
G, ‘power
-to-
unlock’ type, with four
internal contacts which are used to determine whether the door is closed and locked.
3.8.3.1
Interlock manual override
This work should only be carried out by a qualified technician.
The interlock Override Key should be stored in a location only accessible to supervisors
and technical staff.
Summary of Contents for DUMPMASTER DM0700
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