SUNWARD SWDM40 - Rotary Drive Gear Oil Sample and Inspection; Checking and Changing Hoses

SWDM40 OPERATION & MAINTENANCE MANUAL
201
FIG. 8-7-2 Check the abrasion of the pressing plate
8.7.3 Rotary drive Gear Oil Sample and Inspection
 Check oil color whether it’s black.
If it’s black, indicates that working temperature over than 100
℃（
212°F
）
, which may result in
gear oil quick-wear and loss of lubrication, thus, oil replacement interval should be shortened
properly.
 Check oil for water and sediment.
 If any sediment or water is found, the seal ring should be checked and
replaced if necessary.
 Check oil for solid substance.
（
grinding scrap
）
.
The maximum content of solid substance in each reduction gearbox should not be over than
0.15% of the total capacity. The size of solid particle can’t excess 5μm (according to
DIN51592). No matter how much the quantity exceed, the Rotary drive should be removed to
check.
8.7.4 Checking and Changing Hoses
Open and lift up the engine hood.
1. Check hoses for leakage caused by crack or other defects, any soften or loosen
near the clamp.
2. Change hoses with cracks or soften one, and tighten loosened clamp.
3. Unscrew the pressure cap of cooling system slowly to release pressure, and
then remove the cap.