Operation and maintenance manual
Operation
3-11
DX140R/DX140LCR
5. Set engine speed control dial to "HIGH IDLE" (Figure 20).
6. Repeat Step 4 for five minutes. If working
speeds continue
to be slow, continue to operate, but use extreme caution
becau
se the machine function may be erratic.
7. Check for clearance and fully raise the front attachment.
Slowly swing clockw
ise 3 revolutions. Slowly swing
counterclockwise 3 revolutions.
8. Travel forward and reverse at low speed for two
revo
lutions of the drive sprocket.
Stopping Engine
NOTE: Allow engine to idle for three - five minutes before
shutting down the engine. If not allowed to idle, heat
surge may develop which will damage the engine.
Allowing the engine to idle will dissipate heat.
1. Park excavator on level and firm ground.
2. Lower front end attachment to ground and make sure all
opera
ting controls are in "NEUTRAL".
3. Move safety lever to "LOCK" position (Figure 22).
4. Set engine speed control dial to "LOW IDLE" (Figure 23).
Allow engine to idle for three - five minutes.
HAOB550L
Figure 20
FG000111
Figure 21
Lock
Unlock
EX1300566
Figure 22
HAOB290L
Figure 23