SUNWARD SWE20F 2019, Operation & Maintenance Manual

Page: 85 / 104

83

“Lubricant operation” means to warm up the
machine and repeat the operation of a series
of traveling, rotation and digging for 2-3
times.

The lubricant oil and grease will become
aging. Therefore, carry out inspection
before operating the machine every time.
4.2.10 PROTECTION FOR LONG TERM STORE
If the excavator needs to be stored for over 1 month, the following protection should be adopted
to maintain its function during the store period.
Protection for long term store
Maintenance Details
Clean machine Completely clean the machine, fix any malfunction.
Add lubricant oil and
grease
Check the lubricant to find if it is dirty or insufficient. Add
lubricant to the parts, which need this. And smear a layer
of oil.
Battery Take off the battery and charge it then restore it.
Coolant
Add antirust. Add antifreeze if it is possible to be frozen;
or vent out all the coolant, and hang a label
：
“No water in
radiator” in the cabin.
Dustproof and
moistureproof measure
Store the machine in a dry garage and cover it.
Tools Inspect and repair it after stored.
Lubricant operation
If the oil layer is damaged, the part is likely to rust, and
cause some abnormal wear. Start the machine once per
month at least to prevent this situation and check the liquid
level of coolant and lubricant.
4.2.11 HEATER MAINTENANCE
(1) Use compressed air to wash heating core surface termly(half a year
～
one year)
according to work environment.
(2) Inspect hot water tube circuit and wire harness termly to prevent abrasion, scald, over
bend and connector loose.