The crane has to be removed before access to the two front 1-inch (25mm) reach relax
cylinders is possible.
SLIP AND FALL INJURY. PERSONNEL MAY SLIP ON SPILLED HYDRAULIC FLUID.
SUITABLE CONTAINERS AND FLUID ABSORBENT MATERIALS ARE TO BE USED
TO CONTAIN SPILLAGE.
De-pressurize hydraulic system. Refer to unit maintenance procedure 5-118.
Locate and identify the four relax mechanism cylinders (1 and 3). The two rear cylinders (3)
have 3 inch (80mm) travel and the two forward cylinders (1) have 1 inch (25mm) travel.
Both sets of cylinders are mounted on the cylinder support bracket (9).
INJURY FROM HYDRAULIC FLUID UNDER PRESSURE. THE WORKING
PRESSURE OF THE HYDRAULIC SYSTEM IS 4423 PSI (30495 kPa) AND THERE
MAY BE RESIDUAL PRESSURE IN THE HOSES.
The following steps describe the typical removal of a 3-inch (80mm) cylinder and can be
applied to the removal of any cylinder.
Remove the flexible hydraulic hose (7) connected to the cylinder (3).