Komatsu HD785-7 Service Manual

16
KOMATSU
HD785-7 Dump Truck
Cabin Sealing Efficiency Test Procedure
1
Start Engine – Pressuriser System is ON
2
Ensure all windows & door(s) are CLOSED correctly (no cabin pressure leaks)
NOTE: for a new cabin with effective seals, you may need to open a window slightly before closing the door to bleed the static cabin air pressure outwards. Once door is fully
closed then close windows to begin testing.
3
Enter the Settings menu via the touch screen button.
4
Select and press the System Check button to go to System Test – Max Fan.
5
Record / photograph the maximum cabin pressure achieved.
CABIN SEALING TEST PROCEDURE
Press Settings.
Press “System Check – Set
Max” box.
Record / Photograph the cabin
pressure result (Max Fan Speed).
12:18 12/04/2022 100%
System Test – Max Fan
Cabin Pressure
425 Pascals
12:18 12/04/2022 25%
Cabin Pressure 50 Pa
CO2 Concentration 561 ppm
BACK Settings
SYSTEM CHECK
SET MAX
VIEW GRAPH
EVENT LOG
SITE ACCESS
MENU

Komatsu HD785-7 Specifications

General

Brand	Komatsu
Model	HD785-7
Category	Trucks
Language	English