Pilot Valve - Graco HUSKY 715 Instructions-Parts List Manual

Pilot Valve

NOTE: Repair kit 221–087 is available for the
Valve. See page 30. Parts included in the kit are
marked with two asterisks, for example (8**).
Use all the parts in the kit for the best results.
NOTE: A tool is available for making removal of the pilot
valve (8) easier . Order part no. 183–899. Also
see the ACCESSORIES section.
1. Follow the Pressure Relief Procedure Warning on
page 12.
PILOT VALVE SHOWN REMOVED FROM PUMP HOUSING AND DISASSEMBLED
Fig 19
SERVICE
2. With the diaphragms removed (see Diaphragm on
Pilot
3. Clean all parts and inspect for wear or damage. Re-
4. Reassemble in the reverse order, following all notes
5
18
page 16) , use a screwdriver or tool 183–899 to un-
screw the valve nut (8). Remove the valve parts.
place as needed.
in Fig 19. Lubricate all parts with lightweight lithium–
based grease.
LUBRICATE ALL PARTS WITH
LIGHTWEIGHT LITHIUM–BASED GREASE.
50**
9**
22**
21**
23** 8**
TORQUE TO
20–25 in–lb
(2.3–2.8 N.m)
0822