· Hydraulic oil in the system can be under pressures over 3000 psi with the engine OFF. ALWAYS
relieve pressure in hydraulic lines before attempting to remove any component in hydraulic system.
With engine OFF, starter switch in RUN position, and attachment on ground, move control levers
through all operating positions several times to relieve line pressure. Relieve pressure in hydraulic
oil tank by loosening filler cap very slowly. Failure to follow these precautions could result in
serious personal injury.
· At operating temperatures, hydraulic oil is hot and under pressure. Hot oil can cause injuries to
personnel. Allow hydraulic oil to cool before disconnecting any hydraulic lines.
Wipe area clean around all hydraulic connections to be opened during removal and disassembly. Cap
lines and plug holes after removing lines. Contamination of hydraulic system could result in premature
Tag, mark, and remove two electrical wires (3 and 6) from hydraulic bypass switch (1).
Loosen nut (2). Tag, mark, and remove electrical wire 91 (3) from terminal NC (4) of hydraulic bypass
Loosen nut (5). Tag, mark, and remove electrical wire 10 (6) from terminal C (7) of hydraulic bypass switch