Troubleshooting Leaks - Graco 16N661 Operation - Repair - Parts

Troubleshooting

Troubleshooting Leaks

Point B
Problem
Sprayer is leaking fluid at Points A
Sprayer is leaking fluid at Point B
Sprayer is leaking fluid at Point C
Sprayer is leaking fluid at Points D
28
Points A
Spray/tip guard assembly is loose.
O-ring inside needle assembly is
worn out.
O-ring on rear of needle assembly is
worn out.
If 3 solutions above do not stop the leaking, replace needle assembly kit.
Prime/spray valve assembly is worn
out.
Pump is worn out.
Point C
Cause
Points D
ti19436a
Solution
Tighten spray/tip guard assembly.
Replace o-ring (108195).
Replace o-ring (108195).
Replace prime/spray valve assembly.
Replace bare or complete pump
housing assembly
3A2854G