Repair The Fluid Section - Graco SaniForce 26C799 Instructions Manual

Repair

Repair the Fluid Section

Disassemble the Fluid Section
See F . 9.
IG
1. Follow Prepare Equipment for Repair, page 15.
2. Unscrew the locknut (11).
3. Use an applicable wrench to hold the nut (15)
securely in place. At the same time, unscrew the
housing (9).
4. Remove the housing (9) from the gun body (1).
5. Remove the seat (20) and gasket (12) from the
housing (9).
6. Remove the needle (19) assembly from the socket
in the air piston (16).
7. Disassemble the needle (19), locknut (11), nut (15),
gland (14), and washers (13).
8. Remove the spray tip. Follow Disassemble the
Spray Tip, page 15.
9. Remove the seat (20) and gasket (12) from the
housing (9).
10. Clean and inspect parts for wear or damage.
Replace parts as necessary.
Reassemble the Fluid Section
See F . 9.
IG
1. Install the gasket (12) and seat (20) in the
housing (9). Torque the seat (20) to 190–210 in-lb
(21–24 N•m).
2. Install the spray tip. Follow Reassemble the Spray
Tip, page 15.
3. Assemble the needle (19), locknut (11), nut (15),
gland (14), and washers (13).
4. Install the needle (19) assembly in the socket of the
air piston (16).
16
5. Insert the housing (9) assembly over the needle (19)
and through the hole in the gun body (1).
6. Use an applicable wrench to hold the nut (15)
securely in place. At the same time, tighten the
housing (9) to the gun body (1). Securely tighten.
7. Securely tighten the locknut (11) to the housing (9).
20
12
1
23 21
15
14
13
Torque to 190–210 in-lb (21–24 N•m).
1
F . 9: Fluid Section
IG
1
23
22
13/14
9/10
F . 10: Cutout View of Fluid Section
IG
9
1
19
11
4
16
18
19
15
3A8816A
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