Alemite 6713-4 Servicehandleiding - Pagina 10
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SER 6713-4
Gun Indications
Pump will not prime
Pump lacks pressure
Pump does not hold pressure
(pressure falls when lever is raised)
External Leakage
Product leakage visible at top of
Body (20)
Product leakage at Check Valve
Assembly (22)
Product leakage visible at Plug (32) 1. Plug (32) loose
Product leakage visible at delivery
system components
* Do not apply thread sealant to the first two (2) threads. Contamination can occur.
Revision (2-02)
Troubleshooting Chart
Possible Problems
1. Foreign material between Valve (36) and
Valve Seat (35)
2. Worn or damaged Valve (36) and/or Valve
Seat (35)
1. Bleed Valve Screw (26) in the open position
(not seated)
2. Pressure Relief Valve Screw (29) in the
open position (not seated)
3. Worn Plunger (18) and/or bore in Body (20)
1. Foreign material between Ball (46) and Ball
Seat (44) in Check Valve Assembly (22)
2. Worn or damaged Ball (46) and/or Ball Seat
(44)
Worn or damaged O-Ring(s) (19)
Check Valve Assembly (22) not sufficiently
tight and/or incorrect or no sealant
2. Worn or damaged Gasket (31)
Initial tightening of components not sufficient
and/or incorrect or no sealant
Changes Since Last Printing
Revised Exploded View
10
High-Pressure Bucket Pump
Solution
1. Disassemble Pump Tube and
eliminate foreign material
2. Replace Valve (36) and/or Valve
Seat (36)
1. Tighten Bleed Valve Screw (26)
into Body (20)
2. Tighten Pressure Relief Valve
Screw (29) into Bushing (28)
3. Replace Plunger (18) and/or
Body (20)
1. Disassemble Check Valve
Assembly (22) and eliminate
foreign material
2. Use Repair Kit 398954-1
Use Repair Kit 398954-1
Apply thread sealant * to Check
Valve Assembly (22) and tighten
into Body (20)
1. Tighten Plug (32)
2. Replace Gasket (31)
Apply thread sealant* to
component and tighten securely
Alemite Corporation