21
SYMPTOM
PROBABLE CAUSE
REQUIRED ACTION
Gauge records no pressure
1. Gauge connection is loose
2. Bad gauge
3. Pump will not build pressure
4. Tool seals are blown
l. Tighten coupling.
2. Replace gauge
3. See cylinder pressure will not build pressure-
above
4. Replace defective seals. SHOP JOB
Pump will not build pressure
1. Air or electric supply is low
2. Defective relief or regulator valve
3. Low oil or clogged filter
4. Internal leak in oil line from external
relief valve to pump body.
5. Worn sub-plate
1. Check air pressure or voltage.
2. Replace valve. SHOP JOB
3. Fill reservoir and clean filter.
4. Open reservoir, inspect oil line while trying to
build pressure - if leaking tighten fittings or replace.
5. See cylinder pressure will not build pressure-
above
Motor sluggish and inefficient “sounds
sick” slow to build pressure
1. Air or electric supply is low
2. Clogged filter
1. See #1 in preceding block
2. Clean or replace filter
Pump heats up
1. Improper use
2. Remote control is left in “on” position
when pump is not actively in use.
1. Operator is continuing to hold down Pump heats
up on the advance stroke after the cylinder has
reached end of stroke - this causes a lot of oil to go
through a very small hole in relief-valve - causing
heat build-up. Have operator release advance stroke
after accuracy assurance levers spring forward.
2. Turn pump off whenever not actually being used.
DO NOT leave pump running when tool is not in
use.
Hose or tool fitting is damaged or leaks
1. Broken or melted plastic outer covering
2. Frayed Kevlar or steel strands
3. Oil leaks through fibers
4. Broken fittings
1. If underlying Kevlar or steel is still intact con-
tinue operation. Inspect frequently.
2. Cut hose In half and discard. Replace Hose.
3. Cut hose in half and discard. Replace
hose.
4. Remove old fitting and replace with
STEEL high pressure fittings only.
After changing fittings, always run test
#5 to insure proper plumbing.
Electric pump will not run
1. Loose electric connections in control
box.
2. Bad brushes
3. Motor burned up
1. Open control box and visually inspect for loose
threaded or push-on connectors. Reconnect loose
wires. If in doubt check wiring diagram. DANGER·
BOX CONTAINS HIGH VOLTAGE· ALWAYS
UNPLUG PRIOR TO TOUCHING ANYTHING
IN CONTROL BOX.
2. Change brushes. SHOP JOB
3. Replace motor or components whichever is
necessary. SHOP JOB .
