NO DIG VM500 - Operating Vacuum Excavator

Operating Vacuum Excavator
Task Step Key Points
Perform pre-
start check.
1. Perform pre-start check of
the trailer engine and
blower.
ACTIVITY
Complete the Engine and Blower
pre-start check list section of the
Vacuum Excavator
Lay out suction
hose.
1. Set up the suction hose
and connect to the
collection drum.
Unroll the suction hose from the machine
and lay it out on the ground. Ensure that it
is not forced around tight corners that will
damage the hose.
Attach the suction hose to the collection
drum using the Camlock fittings.
REMEMBER!!!
The suction hose is heavy duty
and heavy to lift. Best performed
as a two person operation.
Start the engine. 1. Start the engine in order
to provide power to drive
the blower.
ACTIVITY
Start the trailer engine by: -
 Turn the battery isolator on.
 Rotate Emergency Stop to off
(out) position
 Check for adequate fuel and
turn fuel lever to half.
 If petrol engine set the choke if
the engine is cold.
 Turn and hold the ignition key
in the “on” position until the
engine starts. Let go of the key.
 If the engine is cold, allow it to
warm up for several minutes.
 When the engine is warm, bring
the operating speed up to full
speed.
Vacuum
Excavation
1. Wear correct Personal
Protective Equipment
(PPE).
The combined operation of water blasting
and vacuum excavation can generate
blow back of high velocity particles.
The operator and persons nearby shall
wear: -
 Face shield;
 Ear plugs or muffs;
 Industrial clothing or overalls;
 Closed in footwear.
2. Two Person operation
NOTE
The removal of ground material
using the Vacuum Excavator is
best performed as a two person
team.
One person operates the water
blaster, whilst the other the
vacuum hose / nozzle.
11