Repair
Preventive Maintenance Schedule
The operating conditions of your particular system determine how often maintenance is required. Establish a preventive maintenance schedule by recording when and what kind of maintenance is needed, and then determine a regular schedule for checking your system.
Disconnect the Lower from the Driver
This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid such as skin injection, splashing fluid, and moving parts, follow the Pressure Relief Procedure in your system manual when you stop spraying and before cleaning, checking, or servicing the equipment.
1.Follow the Pressure Relief Procedure in your proportioner manual. Stop the pump at the bottom of its stroke.
2.Remove the pump from the proportioner, as explained in your proportioner manual.
3.Remove the TSL inlet fitting (17) and set aside.
4.Unscrew the connecting nut (207).
5.Move the
NOTE: If you are only repairing the piston rod (2) and its packings, it is not necessary to completely remove the lower from the driver. After removing the pin (103), go to Disassemble the Lower, page 12 and push the rod down out of the cylinder. Disassemble the piston rod as explained there.
Repair
6.Disconnect all air and fluid lines from the dosing valves and manifolds. Be sure to label the lines to ensure they are
7.Pull the lower away from the driver.
a.To service the driver, see Driver Repair, page 10.
b.To service the lower, see Lower Repair, page 12.
Figure 10 Disconnect the Lower from the Driver
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