Bandit INTIMIDATOR 15XP/1390 Operating & Parts Manual page 104

MODEL 15XP/1390
HYDRAULIC SYSTEM TROUBLE SHOOTING
Before attempting any type of maintenance, disengage clutch, wait for the disc/drum to come to a complete
stop, turn off engine, remove the ignition key, make sure the ignition key is in your possession, install the
disc/drum lock pin, and disconnect the battery.
PROBLEM
Feedwheel(s) turn
at normal speed but
does not chip wood
properly.
Feedwheel(s)
slow or stop when
feeding
Feedwheel(s) turn
slowly or not at all
Hydraulic oil very
hot, causing system
to operate slowly
MAINTAIN FEEDWHEEL HYDRAULIC PRESSURE AT SPECIFIED PSI (bar)
Follow typical hydraulic flow and relief settings on pages 81 ‑ 87.
Follow proper hydraulic oil requirements on pages 79 - 80.
Copyright 9/18
POSSIBLE CAUSE
Dull knives.
Worn feed teeth
Low feedwheel relief valve setting
Pump is worn
Motor is weak
Feedwheel springs too loose
Clutch / belts out of adjustment
Engine not running at full RPMs
Dull knives
Relief valve is worn or dirty
Pump is worn
Motor is worn
Feedwheel springs too tight
Feedwheel slide box sticking or hanging
up
Relief valve stuck open
Worn hydraulic motor
Pump is worn
Feedwheel relief pressure not correct
Pinched or damaged hydraulic hose
Feedwheel valve (control valve) worn &
leaking internally
Autofeed dump valve stuck open
Low hydraulic oil level
Plugged oil screen
Binding such as worn bearings, etc.
Control lever improperly shifting valve
Dull knives
Low oil level
Pump is worn
Relief valve stuck open or opens easily
Damaged hose
Oil suction screen or fi lter plugged
Oil cooler plugged (if equipped)
Motor is worn
Binding
Operator running oil over relief too much
Flow control is on for too long
SOLUTION
Replace knives
Replace
Readjust to specifi ed PSI (bar)
Replace
Replace
Adjust
Adjust
Adjust
Replace knives
Clean, reset, or replace
Replace
Replace
Adjust
Lubricate
Clean or replace
Replace
Replace
Reset to specifi ed PSI (bar)
Replace
Replace
Lightly tap on dump block, remove &
clean, or replace
Fill to 3/4" to 7/8" full minimum
Replace
Repair
Readjust, valve must open completely
Replace knives
Fill 3/4" to 7/8" full minimum
Replace
Clean, reset, or replace
Replace
Clean or replace
Clean
Replace
Repair
DO NOT DO THIS
Open fl ow control
88
HYDRAULICS
Bandit