Hyundai HX140L, Manual

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7-4
ENGINE SPEED
Measure the engine speed at each power
mode
The engine speed at each power mode
must meet standard RPM; if not, all other
operational performance data will be
unreliable. It is essential to perform this
test first.
Preparation
Warm up the machine, until the engine
coolant temperature reaches 50˚C or
more, and the hydraulic oil is 50
·
5˚C.
Set the multimodal dial at 10 (Max) position.
Measure the engine RPM.
Measurement
Start the engine. The engine will run at
start idle speed. Measure engine speed
with a engine rpm display.
Measure and record the engine speed at
each mode (P, S, E).
Select the P-mode.
Lightly operate the bucket control lever a
few times, then return the control lever to
neutral; The engine will automatically
enter the auto-idle speed after 4
seconds.
Measure and record the auto deceleration
speed.
2)
(1)
୔
(2)
(3)
ྙ
ྚ
ྛ
ྜ
ྜྷ
ྙ
ྚ
ྛ
Evaluation
The measured speeds should meet the following specifications. (4)
Model
HX140 L
Engine speed
Start idle
P mode
S mode
E mode
Auto decel
One touch decel
Standard
1000
·
100
1850
·
50
1750
·
50
1650
·
50
1100
·
100
1000
·
100
Remarks
Unit : rpm
Condition : Set the multimodal dial at 10 (Max) position.
CLUSTER
Engine RPM display
Power mode switch
Pilot lamp(P, S, E)
140L7MS01