Graco Husky 715, Инструкция по эксплуатации

Страница: 15 / 36

308-444 15
Troubleshooting
PROBLEM CAUSE SOLUTION
Air bubbles in fluid. Suction line is loose. Tighten.
Diaphragm (401 or 404) ruptured. Replace. See page 23.
Loose manifolds (102) or damaged
o-rings (109). Tighten manifold bolts (104) or nuts
(105); replace o-rings (109).
See page 23.
Loose fluid side diaphragm plates
(112). Tighten. See page 23.
Fluid in exhaust air. Diaphragm (401 or 404) ruptured. Replace. See page 23.
Loose fluid side diaphragm plates
(112). Tighten. See page 23.
Pump exhausts air from muffler at
stall. Worn air valve cup (5) or plate (13). Replace. See pages 19, 20.
Worn shaft seals (30 ). Replace. See page 23.
Pump exhausts air from clamps. Loose clamps (113). Tighten clamp nuts (114).
See page 13.
Pump exhausts air near air valve. Air valve screws (10) are loose. Tighten screws. See page 16.
Air valve o-ring (19) is damaged. Inspect; replace. See pages 19, 20.
Pump leaks fluid from check valves. Worn or damaged o-rings (109). Inspect; replace. See page 23.
Check valve plug (106) is loose. Tighten. Refer to page 21.