Graco XM PFP 273231, Руководство по ремонту и запасным частям

Страница: 21 / 68

Repair
3A8047B 21
Dosing Valve Assembly
1. Follow Pressure Relief Procedure , page 9.
2. Disconnect all fluid lines from dosing valves (28 or
29). See F
IG
. 2.
3. Remove two bolts (31) securing dosing valve to
bracket.
4. Unscrew dosing valve nipple fitting (36 or 37) from
dosing valve outlet.
5. Disconnect pressure sensor (831) from dosing
valve. See page 56.
6. Remove dosing valves.
7. See Ratio Control Valve Assemblies (28, 29) on
page 56 for disassembly illustration.
8. Follow steps in reverse order to reassemble dosing
valve assembly. See Ratio Control Valve
Assemblies (28, 29) on page 56 for assembly
illustration and specifications.
F
IG
. 2: Dosing Valve Assembly
29
28
55
55
54
85
31
37
36