Doka 584607500 Istruzioni per l'uso originali - Pagina 13
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Original Operating Instructions Hand pump CFT 700bar, Hand pump CFT U
Refer to the appropriate pump parts list during troubleshooting. Repairs must be performed in a dirt-free envi-
PROBLEM
sure.
© SPX FLOW INC.
999287902 - 02/2020
TROUBLESHOOTING GUIDE
WARNING
CAUSE
.
1. System components
leaking.
2. Directional control valve
leaks or not adjusted
properly.
3. Fluid leaking past outlet
check seat(s).
1. Fluid leaking past outlet
check seat(s)
3. Seats worn and not seating
properly.
-
2. System components
leaking.
3. Directional control valve
leaks or not adjusted
properly.
4. Improperly adjusted relief
valve.
5. Fluid leaking past inlet or
outlet checks or high
pressure piston seal
damaged.
1. Inlet checks are not seating.
2. Damaged piston assembly
or piston seals leaking,
1. Repair or replace as
necessary.
2.* Reseat, repair, or replace
directional control assembly
and correctly adjust.
3.* Check for dirt. Reseat pump
body and/or replace
poppet(s) or ball(s).
1.* Check for dirt. Reseat pump
body and/or replace
poppet(s) or ball(s).
instructions.
2. Remove reservoir and
clean.
3.* Repair seats or replace
pump body.
instructions
2. Repair or replace as
necessary.
3.* Reseat, repair, or replace
directional control assembly
and correctly adjust.
4.* Readjust.
5.* Reseat or repair inlet or
outlet checks or replace
high pressure piston seal.
1.* Check for dirt and/or reseat
valve seats.
2. Damaged piston assembly
or piston seals leaking.
11
SOLUTION
Form No. 102842
Rev. 16 June 20, 2016
13