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SECTION 8: LUBRICATION AND
MAINTENANCE
Daily Sprayer maintenance
In the first few days of sprayer usage, thoroughly
check the machine before starting each day of
spraying. Check all nuts and bolts and check
plumbing for leaks. Grease the PTO shaft at the time
intervals shown on the diagram below. The diagram
is only a guide, greasing may need to be more
frequent if spraying under extreme conditions.
Pump
Check the oil level on the pump sight gauge and
top up with SAE 20/40 multi grade engine oil if
needed.
Filters
It is important to clean filters daily as they can have
a major impact on your sprayer’s performance.
Wash them out with a soft brush and constantly
CAUTION
Do not leave water in the machine,
particularly in cooler climes as this can
freeze and ruin the pump.
WARNING
Make sure the tractor is switched off, the
machine is lowered to the ground and
the PTO drive shaft is disconnected.
check for holes or tears. Clean the suction filter
every time the tank is filled and at the end of the
days spraying. Make sure O rings are in good
condition and grease them with O ring grease in
necessary. Clean out nozzle filters if installed. See
page 22 for picture of filter screen.
Spray lines
Never leave chemicals
in the tank or the pump.
Rinse the tank out
completely with fresh
water and operate
machine to clear all spray
lines. Remove boom lines
caps if you have a boom
fitted and flush boom lines.
Annual sprayer maintenance
General sprayer care
When spraying season has finished, clean the
machine completely.
Check all electrical fuses as these can easily blow if
corroded in the off season.
Pump
Flush and drain the pump completely before
storage. Check the valves and diaphragms for wear
and damage before the start of the new season. Set
the air pressure in the chamber to around 10 – 20%
of the usual operating pressure. Drain the oil before
the commencement of the next season and replace
completely with new oil (SAE 20/40 multi grade
engine oil).
NOTES:
