Shandong Nuoman Engineering Machinery Co.,Ltd
Business Room, No. 7, Zhongshan West Road, Gulou Street Office, Yanzhou Dist., Jining, Shandong, CN
TEL/Fax:+8618266821667 Whatsapp/Wechat:+8618266821667
When hydraulic oil is less than 25℃, it is needed to preheat the machine before any work; otherwise
machine may not respond or react very quickly, leading to severe accident.
Therefore it is needed to preheat machine if it is cold:
①. Adjust the manual accelerator to have engine run at medium speed, and then slowly move bucket forth and
back for 5min.
Caution: do not operate other actuators than the bucket.
②. Adjust the manual accelerator to have engine run at high speed, and then move the boom, the arm and the
bucket for 5-10min.
Caution: operations are merely limited on boom, arm and bucket, instead of any slewing or traveling.
③. Each complete action of excavator should be carried out for a few times, completing the preheating and ready
to work.
Section III Operational essentials
1. Traveling
Use the traveling handles.
(1) Straight
Forwards or backward move the handle, running the machine forwards or backwards.
(2) Steering
A. Left turn in situ: backward shift the left handle and meanwhile forward push the right handle.
b. Right turn in situ: backward shift right handle and meanwhile forward push the left handle.
c. Left turn with left track as axis: forward move the right handle
d. Right turn with right track as axis: forward move the left handle
2. Excavation
2.1 The excavator slewing and the work equipment are respectively controlled with two handles, with positions
shown below:
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