3. Disassembly Procedures

6) Remove the 2 springs [330] and 2 valves [327] from the rear flange [301].

7) Remove the O-ring[338] from the plug [382].

Note •Do not reuse the removed O-ring [338].

[12]Removal of the pilot valve within the rear flange 1) Remove the plug [382] from the rear flange [301]. 2) Remove the O-ring [338] from the plug [382]. Note •Do not reuse the removed O-ring [338].

3) Remove the spool [363] and spring [366] from the rear flange [301].

[13]Disassembly of parking brake section

Caution

Note •If compressed air is suddenly injected, the piston [112] can fly out from the spindle [2] and cause injury, so place a protective cover over the piston [112]. 1) Inject compressed air into the path hole for the spindle [2] parking brake, and remove the piston [112] from the spindle [2].

2) Remove the O-rings [135] and [139] from the piston [112].

Note •Do not reuse the removed O-rings [135] and [139].

[14]Disassembly of hydraulic motor parts

Note Oil will spill out when the travel motor is turned sideways, so place a container under the travel motor. 1) Tilt the travel motor 90°. 2) Drain the oil inside the travel motor. 3) Remove the 3 partner plates [116] and 2 friction plates [115].

4) Hold the cylinder block [104] with one hand and rotate it alternately 2 - 3 times to detach the shoe [106] attached to the swash plate [103].

Note •If the cylinder block [104] is removed as is, the parts attached to the cylinder block [104] (pistons, shoes) will become detached from the cylinder block [104] and fall inside the spindle [2] because the shoe [106] is attached to the swash plate [103].