Maintenance of machine
 The equipment should be serviced about once a month,maitenance as follows:

1 Check each part of fasteners,ensure they are fixed.

2 Make sure that all connectors of the hydraulic pump station are equipped with oil seal rings.
 If the seal rings appear damaged or oil leakage,should be replace timely.

3 If found forward or backward operating abnormality,fist check electro-hydraulic valve whether
  Operate normal,if working normally,then you should check whether the electro-hydraulic relief
  Valve or the one-way unloading valve has contaminant or not, made it could not work
( this phenomenon usually happen when you just use this machine) if has contaminant, you should
Open it, clean by gasoline or diesl oil,everything is ok, then re-install.

4 Operated this equipment within 15days,you should clean the tank and filter hydralic oil once