SUNWARD SWE90UF-2PB - Page 16

SWE90UF-2PB Operation & Maintenance Manual
7
arising from failure to use SUNWARD recommended
fuel, lubricant, hydraulic oil and genuine SUNWARD
components.
 Do not adjust engine speed limiter or safety valve of
hydraulic system.
 Do not allow water or vapor to reach electrical
equipment.
 Do not disassemble components such as engine
pump controller, sensor etc.
(6) Wiper Label
Use the wiper properly.
(7) Filter Element Maintenance Safety Label
Replace pilot oil filter ……every 1000 hours
 Stop machine on firm level ground.
 Lower bucket to the ground.
 Run engine at low-speed for 5 minutes.
 Shut down the engine, remove the key.
 Release inner pressure in the hydraulic system by
operating left and right pilot handles.
 Set pilot control lever in LOCK (UP) position.
 Use wrench for filter to remove filter housing off the
filter head cover by rotating counterclockwise.
 Remove filter core and used O-ring.
 Clean the area in contact by head cover and O-ring.
 Apply a new layer of fresh hydraulic oil, and place it in
position.
 Lubricate new filter core with a thin layer of clean