Troubleshooting - Campbell Hausfeld PS460G Manual De Uso

Operating Instructions and Assembly Instructions
Troubleshooting Chart (Continued)
Symptom
Pump primes and builds
pressure, but does not maintain
pressure once trigger is pulled
Gun will not shut-off
After moving equipment or
adding paint to bucket, unit
will not prime or spray
Oil in Paint
Fluid leaks other than oil
Symptoms not listed
Possible Cause(s)
27. Clogged Suction Filter
28. Suction Assembly loose and/or
sealing surfaces are dirty at Inlet
Valve
29. Paint thick due to cold weather.
This problem usually occurs with
Latex based coatings
30. Inlet Valve and/or Outlet Valve
are worn
31. Trash caught in Gun Valve
32. Worn Gun Valve
33. Dried paint under gun actuator
34. Suction assembly loose or
damaged
35. Oil is leaking from between
Block and Hydraulic Housing
36. Diaphragm is damaged
37. Loose connection
38. Contaminated sealing surface
39. Damaged component
40. Possible product quality issue.
(We would greatly appreciate
your assistance in continuous
product quality improvement)
Corrective Action
27. Remove Suction Filter and clean. Also, refer to Maintenance
section
28. Remove Suction Assembly, clean sealing surfaces and
reassemble hand tight
29. DO NOT paint Latex coatings in temperatures less than
50°F (10°C). Refer to paint manufactures minimum painting
temperature recommendations
30. Replace valves. Also, refer to Maintenance section
31. Clean or replace Gun valve. Also, refer to Gun Maintenance
section. This is a very rare occurrence, and will not occur if filters
are properly maintained
32. Replace Gun valve. Also, refer to Gun Maintenance section
33. Remove 1/4" nut and gun actuator at rear of gun. Remove
dried paint from around needle and back of actuator. Replace
actuator and 1/4" nut. Set gun trigger position with trigger
lock in locked orientation (tabs horizontal) by the following
instructions: With one hand holding trigger softly against
lock, use a 1/4" nut driver to turn nut in until trigger starts to
come off the lock, then back off the nut (counterclockwise) 1/2
turn. Pulling the trigger must not open the gun valve when
trigger lock is activated. you should be able to get the actuator
to wiggle slightly with your finger while holding the trigger
against the locked trigger lock.
34. Tighten suction assembly onto inlet valve. Re-prime sprayer. If
problem is not remedied, consult Technical Support
35. Check hydraulic oil level. Add hydraulic oil if necessary (it is
recommended that this be done by a qualified technician).
Check block bolt torque
36. New diaphragm assembly is needed. (It is recommended that
this be done by a qualified technician.) Refer to Maintenance
Chart concerning torque settings and type of tools required
to reassemble block onto housing. Refill piston with hydraulic
oil. Correct assembly of internal check valve under diaphragm
assembly is critical to proper operation of the pump – refer to
Parts List or contact technical Support
37. Clean sealing surface and reassemble per assembly instructions
38. Consult technical support
39. Consult technical support
40. Call technical support at 1-800-626-4401
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