15
FIELD TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Unit doesn't prime Airleak due to:
• Loose Suction Nut • Tighten Suction Nut
• Worn O-Rings • Replace O-Ring (106-011) on
suction seat, & O-Ring (106-020)
below suction seat
• Hole in Suction Hose • Replace Suction Hose (331-290)
Stuck or Fouled Balls Service outlet valve suction
assembly
Unit primes but has no Pressure set too low Turn up pressure
or poor pressure
Filter(s) are clogged Clean or replace gun lter, inlet
lter and/or manifold lter
Outlet Valve fouled/worn Service outlet valve
Prime/Pressure Relief valve Clean or replace primve valve
bypassing
Packings and/or piston worn • Tighten packing nut
• Repack unit
Unit does not maintain Blown spray tip Replace spray tip
good spraying pressure
Packings and/or piston worn Repack unit
Upper Seat worn Replace upper seat
Unit does not run Blown fuse Replace fuse
• 15A SlowBlow (pn. 331-256) - 4 Series
• 20A SlowBlow (pn. 331-328) - 5&6 Series
Electrical failure See electrical troubleshooting -
4 Series & 5-6 Series
To Next Page
Loading...
