Use and Care Manual
5
z Clean the pump and hose and couplers
z Store in clean dry environment, avoid temperature extremes.
6. TROUBLE SHOOTING
IMPORTANT: hand pumps should be repaired only by a qualified
operator or Authorized Service Centers. Repairing hand pumps without
special tools and knowledge may result in personal injury. Always release
pressure and disconnect hose(s) before making repairs.
Symptom Possible Causes Corrective Action
Application will not
extend, move or respond
to pressurized fluid
·Overload condition
·Release valve not closed
·Remedy overload condition
·Ensure release valve closed
Application responds to
pressurized fluid, but
system does not maintain
pressure
·Overload condition
·Release valve not closed
·Hydraulic unit malfunction
·Remedy overload condition
·Ensure release valve closed
Application will not return
fluid to pump (i.e. cylinder
will not retract)
·Malfunctioning coupler,
damaged application
·Reservoir overfilled
· Secure load by other means.
Open release valve, depressurize
pump and hose, remove coupler
and/ or application, then renew or
replace
· Secure load by other means.
Open release valve, depressurize
pump and hose, remove coupler
and/ or application, then drain fluid
to proper level
Application will not fully
extend (cylinder or
spreader)
·Fluid level low
·Follow symptom 3 procedure for
securing load, depressurizing
pump, remove application, then
ensure proper fluid level
Poor performance
·Air trapped in system
Ensure proper fluid level
Ensure vented oil filler plug let
pressurized reservoir air escape
(see BEFORE USE)