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HITACHI
ZX225USLC-5 Excavator
1.
Visually inspect the BreatheSafe system for any damage.
2.
Visually inspect the cabin for any damage to doors, windows, seals.
3.
Please remove dust & debris from shoes and clothes before entering the cabin.
4.
Ensure door(s) and windows are closed correctly.
5.
Start engine and turn HVAC on to speed 2 (medium speed).
After fixed speed delay, the BreatheSafe display will show 50 Pascals or pre-set value.
6.
Cab Air Conditioning
BreatheSafe recommends OEM air conditioning fan is set at mid speed or greater to circulate air around the breathing zone and
minimise CO₂.
Acceptable operating range for BreatheSafe fan 10-80%. >80% recommend maintenance.
Fixed Fan Start Delay
•
Allows the operator to carry out pre-start checks – limiting at 30% fan speed, press the red text to disable.
CO₂ Level Alert (if equipped)
•
Ensure air conditioning fan is set at mid speed or greater to circulate air and minimise CO₂.
Low Pressure Alarm
•
Cabin is not maintaining positive pressure – check doors and windows are closed correctly.
•
Refer to maintenance department to check filters and cabin sealing. Ensure filters are serviceable.
Check Filter
•
Reminder to inspect or replace filter. Service hour meter requires re-set.
•
Refer to maintenance department.
OPERATORS CHECKLIST
The system is working correctly when the pascal value is green.
>> There is no further action required <<
NORMAL OPERATING CONDITION
ALERTS
PRE-START
OPERATOR GUIDE
4
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