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excavator overturning, it should carry out crushing only at frontage and rear of machine.
(3) Don’t operate hydraulic breaker on slope. It should operate on horizontal ground.
(4) Don’t use hydraulic crusher to haul debris.
(5) Hydraulic crusher operation will pollute hydraulic system and accelerate aging. It should replace
hydraulic oil filter core and hydraulic oil more frequently to avoid damaging hydraulic pump and
other hydraulic parts. The recommended replacement interval is referred to the “Hydraulic breaker
operation tips”.
(6) When transport excavator, remember to take out hydraulic crusher from the machine, and fit covers
or plugs on all hydraulic hoses.
Breaker start-up
(1) Set the breaker/rotation selection switch 7 to the "breaker"
position.
(2) Place breaker head at the needed position. Step down the left
pedal control plate 1, breaker begins to work, release pedal control
plate when breaker finished the work.
3.9 BOOM SWING
B、F series excavators are equipped with boom swing
structure—swing head (as right picture)
Boom swing pedal is located on the right foot of driver, it is used to swing boom, upper structure (cab、engine
parts etc.) do not swing, this device is used to excavate ditch or retaining wall.
A. Treadle lower side of pedal, swing boom to right side.
B. Treadle higher side of pedal, swing boom to left side.
When boom swing pedal is out of use, push down pedal 2
and lock pedal 1. When open lock, just pull up the pedal 2.
The figures show the boom distance from superstructure central line.
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