TM 5-3805-280-10
Maintenance--Every 250 Hours
CHECK SWING GEARBOX OIL LEVEL
1. Park machine on a level surface.
2. Remove dipstick (A). Oil must be in the operating
range.
3. If oil is needed, remove filler cap (B) and add oil. (See
Fuels and Lubricants chapter.)
4. Check oil level.
TX,75,DH5088
1903JUL961/1
DRAIN HYDRAULIC TANK SUMP
CAUTION: High pressure release of oil from
pressurized system can cause serious burns or
penetrating injury. The hydraulic tank is
pressurized. Do not remove vent plug (A).
Release pressure by loosening vent plug.
1. Loosen vent plug (A) to release hydraulic pressure.
TX,75,DH5108
1911JUL961/2
2. Loosen plug (F) for several seconds to drain water and
sediment into a container. Do not remove plug
completely. Dispose of waste properly.
3. Tighten sump plug and vent plug.
TX,75,DH5108
1911JUL962/2
14-1