Repair
Repair
Preventive Maintenance Schedule
The operatin
g conditions of your particular system
determine ho
w often maintenance is required.
Establish a p
reventive maintenance schedule by
recording w
hen and what kind of maintenance is
needed, and
then determine a regular schedule for
checking yo
ur system.
Disconnect the Lower from the Driver
This equi
pment stays pressurized until pressure
is manual
ly relieved. To help prevent serious
injury fr
om pressurized fluid such as skin injection,
splashi
ng fluid, and moving parts, follow the
Pressur
e Relief Procedure in your system manual
when you
stop spraying and before cleaning,
checkin
g, or servicing the equipment.
1. Follow
the Pressure Relief Procedure in your
propor
tioner manual. Stop the pump at the
bottom
of its stroke.
2. Remove
the pump from the proportioner, as
expla
ined in your proportioner manual.
3. Remov
e the TSL inlet fitting (17) and set aside.
4. Unscr
ew the connecting nut (207).
5. Move t
he o-ring (106) down onto the pump piston
rod (
2) to allow access to the pin (103). Remove
the p
in.
NOTE
: If you are only repairing the piston
rod (
2) and its packings, it is not necessary
to co
mpletely remove the lower from the
dri
ver. After removing the pin (103), go to
Dis
assemble the Lower, page 12 and push the
rod
down out of the cylinder. Disassemble the
pis
ton rod as explained there.
6. Disconnect all air and fluid lines from the dosing
valves and manifolds. Be sure to label the lines
to ensure they are re-connected correctly.
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
332339B 9
