Hyundai HL955 Manual page 49

GROUP 2 ENGINE SPEED & STALL RPM GROUP 2 ENGINE SPEED & STALL RPM
1. TEST CONDITION 1. T EST CONDITION
1) Normal temperature of the whole system
-
Coolant : Approx 80˚C (176˚F)
-
: 45 ± 5˚C (113 ± 10˚F)
Hydraulic oil
- Transmission oil : 75 ± 5˚C (167 ± 10˚F)
2) Normal operating pressure : See page 6-58.
2. SPECIFICATION 2. S PECIFICATION
Low idle High idle
800±25 2230±50
3. E 3. ENGINE RPM CHECK NGINE RPM CHECK
Remark : If the checked data is not normal, it indicates that the related system is not working properly.
Therefore, it is required to check the related system pressure : See page 6-58.
1) 1) Pump stall rpm Pump stall rpm
-
Start the engine and raise the bucket
approx 45 cm (1.5 ft) as the figure.
-
Press the accelerator pedal fully and
operate the bucket control lever to the
retract position fully.
-
Check the engine rpm at the above
condition.
Convertor stall rpm Convertor stall rpm
2) 2)
-
Start the engine and lower the bucket on
the ground as the figure.
-
Set the clutch cut off mode at the OFF
position.
-
Press the brake pedal and accelerator
pedal fully.
-
Shift the transmission lever to the 4th
forward position.
-
Check the engine rpm at the above
condition.
3) 3) Full stall rpm Full stall rpm
-
Start the engine and raise the bucket
approx 45 cm (1.5 ft) as the figure.
-
Set the clutch cut off mode at the OFF
position.
-
Press the brake pedal and accelerator
pedal fully .
-
Shift the transmission lever to the 4th
forward position and operate the bucket
lever to the retract position fully.
-
Check the engine rpm at the above
condition.
Engine speed, rpm (P mode)
Pump stall Converter stall
2220±70 1910±70
2-12
Full stall Fan motor
1870±100 850±50
Clutch cut off mode
Clutch cut off mode
Remark
760F2EG01
760F2EG02
760F2EG03