Travel Speed Adjustment
The speed of the irrigator is determined by the “R” clip in one of the ve holes in the rod at the
base of the irrigator directly below the cog, at the bottom of the pivoting mechanism.
The hole closest to the back of the irrigator represents one tooth on the cog and the 5th hole 5
teeth. E.g. 6.3lps (5000gph) with 1 /2” nozzles should be set on the second hole (two teeth). This
cycle takes approximately 9 - 10 hours and puts on about 25mm of water.
Once the travel speed has been selected lift both the front and back pawls away from the cog.
Run your cable out to the desired length and anchor to a solid object. (A star picket at an angle will
suce normally.)
Return to your irrigator and make sure the small front pawl is rmly locked into the cog. Then set
the large back pawl with a clearance 2-5mm gap from the back of the tooth i.e. front pawl engaged,
back pawl free.
Take up the slack in the cable.
Kneel down and spin the boom around in a clockwise rotation, watch out for your head. Check the
amount of teeth taken and the clearance of the back pawl.
Each time the speed is changed the large back pawl may need to be adjusted.
Fine speed adjustment can also be made by screwing the bolt in the speed adjuster in or out as
desired.
VCI Mk I & Mk II Operation
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