GỒM CÁC PHẦN: Cab & Operator Environment.ppt Electronic Control Systems.ppt Electronics Control System – Monitors Recap.ppt Hydraulics.ppt Improved_CSS.ppt Introduction.ppt Mechanicals Power Trainand Structures.PPT Technical Presentation Ki
Trang 1KOMATSU Technical Presentation kit
Hydranlic Excavators
Electronic Confrol Svysíems
—
Section 5
Trang 22-VWOERKING MODES (A-E)
Active mode (A mode) supplies maximum engine power resulting in high levels of production
Economy mode (E mode) improves fuel consumption
Main pump absorbable torque
A mode matching point Low speed max
E mode Arm or Bucket digging matching point
Arm or Bucket dumping matching point Low speed max
lƑ torque ab
50
Engine speed (rpm)
2) Power set (Pump absorbable horsepower) Work and features
A mode | 452kW/1749rpm e Heavy-load work where large production is needed
{614PS/1749rpm} e The maximum engine output is provided so large (606HP/1749rpm) production is achieved, but the fuel consumption
also increases
Trang 3PC1250-7 Monitor Panel
Select switch
Mode Select
Coolant / Hyd oil temperature
Acfive
Auto Decel
Trang 4PC1250-7 Monitor Panel
Working mode _—— Service meter
—— Travel speed
Working mode selector switch
— Screen adjustment switch
Screen adjustment switch
Ts — Ar Windshield wiper and Swing priority switch I washer switch
Automatic deceleration
Travel speed selector switch selector switch
Trang 5
New PC7 Cab & Monitor(s)
PREV
New PC/ Monitor
Multi Function
Full Color
16 Key Numeric Entry svc Data
Failure Memories
Trang 6Click here to view Video
Click here for
“Monitor
Recap”
Trang 7© HIGHLY RELIABLE ELECTRIC CIRCUIT
utilized not only for the electric circuit of the engine, but also for other machine circuits
® In addition, DT connectors are
Waterproof
ị
Trang 8
PC1250-7 GALEO
New Cold Start Features
Engine automatic warming-up function
After the engine is started, if the engine cool-
ant temperature is low, the engine speed is automatically raised to warm up the engine
L
Coolant temperature: 30°C or above Auto-
Fuel control dial: Held at more than 70% of
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Nh
ny \
` Ñ
ECIZ50)- 7
PRESENTATION
MENU
Introduction
Cab Structure &
Monitor
Mechanicals
Hydraulic Syste
a
Electronic Contr
ol System
Testing & Adjus
ting
END Electronic: Control Systems
SECTION
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