Field Troubleshooting - AIRLESSCO HSS 9000 Service & Operation Manual

PROBLEM
Unit doesn't prime
Unit primes but has no
or poor pressure
Unit does not maintain
good spraying pressure
Unit does not run

FIELD TROUBLESHOOTING

CAUSE
†Airleak due to:
• Loose Suction Nut
• Worn O-Rings
• Leak in Siphon Assy
†Stuck or Fouled Balls
†Pressure set too low
†Filter(s) are clogged
†Outlet Valve fouled/worn
†Prime valve
bypassing
†Packings and/or piston worn
†Blown spray tip
†Packings and/or piston worn
†Upper Seat worn
†Circuit Breaker Tripped
†Engine Oil Level Low
SOLUTION
• Tighten Suction Nut
• Service Suction Assy
• Replace Siphon Assy
†Service outlet valve suction
assembly
†Turn up pressure
†Clean or replace gun filter, inlet
filter and/or manifold filter
†Service outlet valve
†Clean or replace prime valve
• Tighten packing nut
• Repack unit
†Replace spray tip
†Repack unit
†Replace upper seat
†Reset Breaker
†Check Engine Oil Level
† Place Machine On Level Surface
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