Timing Valve - Graco Python A25115 Instructions - Parts Manual

Timing Valve

Timing Valve Repair
1. Follow the Pressure Relief Procedure, page 17.
2. Remove the spring retainer (112) from the bottom of
the timing valve. Inspect the sealing o-ring (114)
and replace as necessary.
115
114
112
F . 21 Separate upper and lower housings
IG
3. Remove the spool return spring (115), inspect and
replace if necessary.
4. Remove the two screws (111) to separate the two
halves of the timing valve (101 & 110). Inspect the
three face seal o-rings (106) and replace as neces-
sary.
3A4386E
5. Pull the spool (103) out of the lower housing (101).
110
106
101
111
F . 22 Remove timing valve spool
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6. Remove all of the seal cartridge components by
Inspect and replace as necessary.
hooking the radial ports with a plastic pick. Take
care not to scratch or damage any of the metal or
plastic parts. Sealing can be compromised.
Repair
103
125
102
130
102
130
101
33