Soosan SB121 - Pre-Installation Checks and Instructions

Soosan H
y
draulic Breaker
Soosan Heav
y
Industries Co.
,
Ltd
4.1 Checking before installation instructions
CHECK THE "SPECIFICATIONS" SECTION OF THIS MANUAL TO DETERMINE CORRECT
EXCAVATOR SIZES AND HYDRAULIC PRESSURE, HYDRAULIC FLOW IF HYDRAULIC
PRESSURE, HYDRAULIC FLOW ARE EXCEEDED, THE HYDRAULIC BREAKER
WARRANTY IS VOID
BE SURE THE FLUID IN THE HYDRAULIC SYSTEM IS CLEAN.
CHECK THE HYDRAULIC FILTER, REPLACE THE FILTER IF DIRTY OR DETERIORATED.
CHECK THE GAS PRESSURE ACCUMULATOR AND BACK HEAD.
SEE INSPECTION AND CHARGING OF NITROGEN GAS AT BACK HEAD, ACCUMULATOR
HOSE AND PIPING FLEXING.
THE CONTAMINATED PART MUST BE CLEANED WITH NO DELAY.
HYDRAULIC OIL OR LIGHT OIL IS HIGHLY RECOMMENDABLE.
THE CIRCUIT RELIEF SETTING PRESSURE IS NOT FIXED.
BUT, IT WILL BE ADJUSTED BY PUMP CAPACITY.
■ Recommended circuit relief setting pressure and back pressure
MODEL SB10II SB20 SB30II SB35II SB40II SB43II SB45 SB50 REMARK
Relief Setting
Pressure[kg/㎠]
150 150 160 160 170 180 190 200
Back Pressure
[kg/㎠]
10 10 10 10 10 10 10 10
MODEL SB60 SB70 SB81 SB100 SB121 SB130 SB140 SB151 REMARK
Relief Setting
Pressure[kg/㎠]
200 210 210 210 210 210 210 210
Back Pressure
[kg/㎠]
10 10 10 10 10 10 10 10
CAUTION
CAUTION
CAUTION
CAUTION