TM 5-3805-280-24-2
Hydraulic System
REMOVE AND INSTALL HYDRAULIC THUMB
CYLINDER
1. Park machine on a firm, level surface.
2. Remove bucket from quick-disconnect hitch.
3. Extend hydraulic thumb. Retract arm and lower to
ground. Support hydraulic thumb on stand.
4. Stop engine.
CED,OUOE042,81 1909APR991/3
CAUTION: The hydraulic oil tank is pressurized.
High pressure release of oil from pressurized
system can cause serious burns or penetrating
injury. Release pressure from tank by loosening
vent plug. It is not necessary to remove vent
plug.
5. Loosen vent plug (A) to release hydraulic pressure in
reservoir.
CED,OUOE042,81 1909APR992/3
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