Troubleshooting
30
3A2853C
Troubleshooting Leaks
Problem
Cause
Solution
Sprayer is leaking fluid at Points A
Spray/tip guard assembly is loose.
Tighten spray/tip guard assembly.
O-ring inside needle assembly is
worn out.
Replace o-ring (108195).
Sprayer is leaking fluid at Point B
O-ring on rear of needle assembly is
worn out.
Replace o-ring (108195).
If 3 solutions above do not stop the leaking, replace needle assembly kit.
Sprayer is leaking fluid at Point C
Prime/spray valve assembly is worn
out.
Replace prime/spray valve assem
bly.
Sprayer is leaking fluid at Points D
Pump is worn out.
If inlet/outlet valve fittings have not
yet been replaced, replace pump
housing only (16M868).
If inlet/outlet valve fittings have
been replaced once or more,
replace complete pump assembly
(16M865).
Points A
Point B
Points D
Point C
Summary of Contents for 16N664
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