24
1. Remove the fluid pump as per the "Fluid Pump Discon-
nect" instructions on page 22.
2. Unscrew and remove the lower check valve per instruc-
tions on page 23.
3. Unscrew & remove the packing nut (187-046). Push the
piston rod down through the packings and out of the
pump. Wrap some masking tape around the bottom of
the piston. Now push the piston back through the pump
and remove through the top. The packings and glands
will be removed with the piston rod, leaving the pump
casing (187-313) empty. Utilizing tool (PN 187-249) the
complete packing set & piston can be removed quickly
and easily.
4. Disassemble and clean all parts for reassembly.
Discard old packings, but retain old glands for reuse.
REASSEMBLY
5. Lubricate leather packings in lightweight oil for 10 min.
prior to assembly.
6. Remove masking tape from piston. (if used)
7. Reassemble all parts onto piston as per drawing Fig. 9
in the following order:
a. Start with lower male gland (187-024)
b. Two new V-packings face down (187-029T)
c. Female adaptors (187-023P)
d. Five V-Packings face up.(alternating Teflon &
Leather)
e. Upper male gland (184-024)
f. Slide on distance tube (187-315).
g. Three Belleville Spring (187-031) starting with the
first spring facing down and next facing up and the
third facing down.
h. Slide on upper male gland (187-025) with bevel
facing up.
i. Six V-Packings faced down (alternating Teflon &
Leather)
j. Female Gland (187-026)
k. Slide on the V-Packing holder (187-047)over upper
packings.
8. Lubricate inside of cylinder & outside of packings then
slide complete assembly into the pump casing (187-
313). Thread packing nut (187-046) into cylinder and
tighten (hand tight only).
9. Install the lower check valve and tighten the lower
check valve nut (187-018).
10. Connect the pump to the machine as per fluid pump
reinstall procedure (page 22).
11. Tighten the packing nut just enough to stop leaks.
V-PACKING KIT - TEFLON AND LEATHER (187-040)
Note: O-ring (187-028) on lower ball cage is supplied in
Teflon and Viton. Use Viton when spraying latex or oil based
paints and Teflon when spraying paints with high solvents.
187-026
Gland Female
187-030T
V-Packings
Teflon
187-025
Gland Male
187-031
Belleville
Springs
187-315
Distance Tube
187-024
Gland Male
187-029T
V-Packings Teflon
187-023P
Adaptor Female
187-029T
V-Packings Teflon
187-024
Gland Male
187-030L
V-Packing
Leather
187-029L
V-Packing
Leather
FIG. 9
V - PACKING REPLACEMENT
