Laski LS 160 - Checking and Oil Exchange Schedule; Hydraulic Oil Exchange Intervals; Failures and Troubleshooting Guide; Chipping and Loading Issue Resolution

Chipper LS 160T
48
Checking, Oil Exchange
Operation
Component
Interval (hrs)
10
100
250
500
1000
2500
5000
Exchange
Hydraulic oil in circuit

*
Hydraulic oil filter

*
Checking
Hydraulic oil in tank
*
Cleaning
Hydraulic oil tank
*
(*) clean daily under special conditions
(**) clean every 4 – 5 hrs under extreme dusty conditions
(***) see recommended oils
(o) if clogging indicated
() first exchange
Failures and Troubleshooting
Failure
Cause
Remedy
Wrong chipping
or loading
Blunt blades
Remove and regrind blades. If worn,
replace them for new ones.
Worn opposite cutting
edge
Remove and regrind cutting edge; set
optimal clearance between blade and
opposite cutting edge
Malfunction of loading
rolls
See Problems with hydraulics
Wrong angle geometry
Regrind in accordance with detailed
figure of edge geometry
Damage/wear of
loading rolls
Replacement
Too small, dry or rotten
materials
Mix before loading
Loading rolls do not
turn – rotor runs idle
Wrong setup of sensor for turning the
loading rolls on
service
Tractor engine
overloaded while
chipping
Wrong sensor setting
for min. speed
Switching-off speed is set too high
service
Blown fuse in
regulation circuit
Fuse replacement
Faulty control unit in
regulation circuit
Replacement
Speed sensor defective
Replacement
Loading rolls do not
turn
Safety circuit not closed
Tilt rear part of the loading chute and
check up hood position protected with
terminal switch