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Service: 918623
Disassembly Part No. 918623
Disassemble the compact applicator as follows:
1.
Remove and keep warning tag (20, not shown) for reattachment.
2.
Unscrew and remove nozzle adapter (22) from seat assembly (9).
3.
Separate gasket (21) from nozzle adapter (22).
4.
Unscrew and remove four cap screws (17) and lockwashers (18) from fluid body (13).
5.
Separate o-ring (8) from seat assembly (9).
WARNING
To reduce the risk of serious injury, exercise caution when removing the compact applicator cylinder, which is spring–loaded and could project forcefully through the air if not removed properly.
6.
Unscrew four cap screws (10) evenly to loosen cylinder (11) and relieve tension in spring (1).
7.
Remove cap screws (10) and cylinder (11) from fluid body (13) and needle assembly (7). Remove spring
(1).
8.
Push piston (7a) down enough to gain access to the wrench flats on needle assembly (7).
9.
Unscrew and remove cap screw (7c) from piston
(7a) on needle assembly (7).
10. Separate o-ring (3) from piston (7a).
11. Push the needle assembly (7) through needle seal
(6) and remove it from fluid body (13).
12. Push needle bearing (5) and seal (6) out of fluid body (13).
13. Separate o-rings (3 and 4) from fluid body (13).
Assembly – Part No. 918623
Reassemble the compact applicator as follows:
NOTE:
Repair Kit 918624, listed on page 11, contains the replacement parts to service the applicator. For best results, replace the original parts with the new parts in the repair kit.
10
NOTE:
Needle assembly (7) for Series B now includes air piston, cap screw, and o-ring. Series B kits work for all valves. Series A kits only work on Series A valves.
Prior to installation, lubricate all seals and o-rings with
PARKER-O-LUBE™ or an equivalent lubricant. Check with the material supplier for a compatible lubricant.
1.
Be sure all parts are free of solid material residue.
2.
Install needle bearing (5) and needle seal (6) in fluid body (13).
3.
Install o-rings (3 and 4) in the fluid body (13).
4.
Install o-ring (3) onto piston (7a).
5.
Push needle assembly (7) carefully through needle seal (6) and needle bearing (5).
6.
Apply Loctite
®
sealant (19) or an equivalent to threads of needle assembly (7).
7.
Assemble piston (7a) and o-ring (7d) to needle assembly (7).
8.
Position spring (1) on top of piston (7a).
9.
Install cylinder (11) over piston (7a) and spring (1).
Note the position of the 1/8 NPT air-to-close port.
WARNING
To reduce the risk of serious injury, exercise caution when installing the compact applicator cylinder, which is spring-loaded and could project forcefully through the air if not installed properly.
10. Assemble cylinder (11) to fluid body (13) with four cap screws (10), tightening the screws evenly to control compression of spring (1).
11. Position o-ring (8) in groove on seat assembly (9) and assemble the seat assembly to fluid body (13) with four cap screws (17) and lockwashers (18).
12. Install gasket (21) in nozzle adapter (22).
13. Screw nozzle adapter (22) onto seat assembly (9).
14. Reattach warning tag (20, not shown).
15. Reinstall applicator on its mounting.
310557E
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Table of contents
- 3 Warnings
- 7 Setup
- 7 Ground the System
- 7 Installation
- 8 Operation
- 8 Pressure Relief Procedure
- 8 How the Compact Applicator Operates
- 8 Adjusting the Compact Applicator
- 8 Applicator Inspection Procedure
- 8 Nozzle Considerations
- 9 Troubleshooting
- 9 Service
- 9 Preparing to Service the Compact Applicator
- 10 Service
- 10 Disassembly – Part No
- 10 Assembly – Part No
- 11 Parts
- 11 Part No. 918623, Compact Applicator
- 12 Service
- 12 Disassembly – Part No
- 12 Assembly – Part No
- 13 Parts
- 13 Part No. 918625, Compact Applicator
- 14 Dimensions
- 14 Part No
- 15 Technical Data
- 15 Part No
- 16 Graco Standard Warranty
- 16 Graco Information