Bandit
Copyright 12/07
PAGE 62
MODELS 1290XP/1590
MAINTAIN FEEDWHEEL HYDRAULIC PRESSURE AT 2500 PSI (172 bar).
Follow typical hydraulic flow and relief settings on pages 56 - 61.
Follow proper hydraulic oil requirements on page - .
HYDRAULIC SYSTEM TROUBLE SHOOTING
Before attempting any type of maintenance disengage clutch, turn off engine, wait for
the disc/drum to come to a complete stop, install the disc/drum lock pin, disconnect
battery, and make sure the ignition key is in your possession!
HYDRAULIC SECTION
PROBLEM
POSSIBLE CAUSE
SOLUTION
Feedwheel(s) turn
1. Dull Knives
1. Replace knives
at normal speed
2. Worn feed teeth
2. Replace
but does not chip
3. Low feedwheel relief valve setting
3. Readjust to specified PSI (bar)
wood properly
. Pump is worn
. Replace
5. Motor is weak
5. Replace
6. Feedwheel springs too loose
6. Adjust
Feedwheel(s) slow
1. Dull knives
1. Replace knives
or stop when
2. Relief valve is worn or dirty
2. Clean, reset or replace
feeding
. Pump is worn
. Replace
. Motor is worn
. Replace
. Feedwheel springs too tight
. Adjust
6. Feedwheel slide box sticking or
6. Lubricate
hanging up
Feedwheel(s) turn
1. Relief valve stuck open
1. Clean or replace
slowly or not at all
2. Worn hydraulic motor
2. Replace
. Pump is worn
. Replace
4. Feedwheel relief pressure off
4. Reset to specified PSI (bar)
. Pinched or damaged hydraulic hose
. Replace
6. Feedwheel valve (control valve)
6. Replace
worn & leaking internally
7. Low hydraulic oil level
7. Fill 7/8 full minimum
8. Plugged oil screen
8. Replace
9. Binding such as worn bearings, etc.
9. Repair
10. Control lever improperly shifting valve 10. Readjust, valve must open
completely
Hydraulic oil very
1. Dull knives
1. Replace knives
hot, causing
2. Low oil level
2. Fill 7/8 full minimum
system to
. Pump is worn
. Replace
operate slowly
4. Relief valve stuck open or opens easily
4. Clean, reset or replace
. Damaged hose
. Replace
6. Oil suction screen or filter plugged
6. Clean or replace
7. Oil cooler plugged, if equipped
7. Clean
8. Motor is worn
8. Replace
9. Binding
9. Repair
10. Operator running oil over relief 10. Don’t
too much
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