Graco Python A25011, Instructions - Parts Manual

Page: 35 / 58

Repair
3A4386E 35
16. Place the timing valve knob (122) over the needle
valve (117), with the “0” lined up with the marker on
the label (121). Tighten the hex set screws (123).
17. Reinstall the drive piston (107) in the bottom of the
upper housing (110).
NOTE: Do not apply grease to the dynamic seals (105 &
108). They are designed to operate without grease.
18. Reinstall the seal cartridges (see F
IG
. 23 for the
order of the seals (105) and o-rings (124)) into the
lower housing (101). Apply a thin coat of grease on
the housing lead-in (130) to ease installation and
ensure that the seals are not damaged.
19. Reinstall the spool (103) carefully through the seal
cartridge components.
F
IG
. 26 Align timing valve knob with label
122
121
Marker
F
IG
. 27 Reinstall seal cartridges and spool
103
102 (w/105 & 124)
130
125
Lead-in