334 Troubleshooting
Not the proper grade of oil Empty oil and refill with anti-
foaming oil. See Recommended
Lubricants on page 235 and
Emptying Hydraulic Tank on
page 280.
Cavitation, excessive noise
or vibration of the pump.
Shut-off valve on hydraulic tank Fully open the shut-off valve on the
hydraulic tank. See Prior to Start Up
on page 15.
Low oil level Add oil to the required level. See
Replacing Hydraulic Oil on page 283.
Oil too thick See Recommended Lubricants on
page 235 for proper type of oil to
use. See also Emptying Hydraulic
Tank on page 280.
Air in the system See Pump Cavitation on page 338.
Particle contamination or dirty
strainer
Clean the strainer and change the
return filter. Fill with clean oil. See
Cleaning Strainer on page 280,
Replacing Filter Elements on
page 282, and Replacing Hydraulic
Oil on page 283.
Take an oil sample for further
analysis (see Testing Hydraulic Oil
on page 237).
Blocked suction hose Unblock or replace the hose.
The pump (PTO) does not
engage
Red emergency STOP button(s) Ensure that the red button on
packer control station is pulled out.
Engine speed higher than
900 rpm
Reduce engine speed below
900 rpm. If the speed cannot be
reduced under 900 rpm, contact
your local chassis dealer.
Electrical failure Check fuses inside the control panel
and the main fuses near the battery.
See Pump on page 337.
Faulty electric dump valve Replace the electric dump valve.
No hydraulic pressure Pump not engaged Turn on the PTO switch.
Low oil pressure See Hydraulic Pressures on page 288.
Problem Possible causes Solution
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