Graco ULTRA AIRLESS 230-963 - Manual (Page 22)

CHOKE REPLACEMENT (See Fig
1. Remove the pressure control cover and screws.
2. Remove the grounding screw and remove the
lead. Loosen the appropriate screw on the terminal
lead.
strip (336) and the choke
3. Use the M8 wrench to remove the upper nut and
lockwasher on the outside of the
pressure control box.
4. Remove the old choke and install a new one in
the reverse order of disassembly.
Fig 17
VARISTOR REPLACEMENT (See Figs 18
WARNING
Relief Procedure Warning on page 17 to reduce
the risk of a fluid injection injury, splashing in the
eyes or on the skin, injury from moving parts, or
1.
2.
3.
4.
5.
Remove the control box screws and cover.
Remove the
two screws the wiring
harnesses and the old varistor from the
ONlOFF switch
Trim the leads on the new varistor to 28.5
in.). Turn each lead outward to form a loop
that is large enough for the screws to pass
through.
loop of the varistor leads on each screw and thread
Place a wiring harness on each screw, then place a
the screws into the switch.
Wrap the varistor under the switch.
307-671 21