7 Maintenance
This section describes how the HortiJet Pro needs to be maintained on a periodic
basis.
7.1 Maintenance guidelines
The following guidelines are important for maintaining the HortiJet Pro:
Disconnect the mains supply from the HortiJet Pro before performing any
maintenance.
Make sure that all pressure has been removed from the pipes.
Make sure that no moisture can get inside the cabinet.
When replacing or disconnecting pipes, bear in mind the presence of potentially
hazardous substances. Also see section "Chemical substances" on page20.
Do not leave the HortiJet Pro cabinet open unnecessarily.
Clean the outside of the HortiJet Pro with a soft damp cloth. If necessary, wet
the cloth in a solution of water and mild soap.
For instructions on how to clean up any residue caused by fertilizers or acid,
please consult the safety data sheets provided by the producer of the
chemical in question.
7.2 Weekly maintenance
The following inspection and maintenance tasks should be performed on the HortiJet
Pro on a weekly basis:
HortiJet pump: check for unusual noises.
The HortiJet and connected pipes, fertilizer tanks and acid tank: check for
leaks.
7.3 Monthly maintenance
The following inspection and maintenance tasks should be performed on the HortiJet
Pro on a monthly basis:
Clean the pH sensors (see OEM manual provided).
Clean the EC sensors (see the "EC Sensor Insert” provided).
Check dosing channels and re-adjust if necessary (see section "Using the dosing
channels for the first time" on page40).
Check the pressure in the main pipe and at the PRVs and PSV. Adjust the
pressure if necessary (see section "Pressurizing the HortiJet" on page37).
HortiJet Pro
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