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3.
TROUBLESHOOTING
WARNING:
•
To prevent personal injury, release pump pressure and disconnect
the hose from the pump before commencing repairs.
PROBLEM
Pump loses
pressure
Pump not
delivering fluid
Pump doesn't
acheive rated
pressure
Pump handle has
"spongy" feel
8
CAUSE
System components
leaking
Low oil level in reservoir
Check ball seats are
worn or damaged
Low oil level in reservoir
System components
leaking
Fluid leaking past inlet
or outlet checks
Piston seal leaking
Relief valve faulty or set
wrong
Air trapped in system
Too much oil in
reservoir
SOLUTION
Repair or replace leaking
components as necessary
Check oil level and add oil is
required
Repair or replace check ball
seats or replace pump body
Check oil level and add oil is
required
Repair or replace worn or
damaged components
Repair inlet or outlet checks
Replace piston seal
Replace or re adjust relief
valve
Bleed air from system, Refer
Air Bleeding
Check oil level
BM002-V2
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